Komplett überarbeitet Import müsste laufen E-Mail Benachrichtigung,

Postfach und Ordner usw

.claude/settings.local.json

@@ -3,7 +3,9 @@
     "allow": [
       "Bash(pdfdetach:*)",
       "Bash(python3:*)",
-      "Bash(xmllint:*)"
+      "Bash(xmllint:*)",
+      "Bash(php -r:*)",
+      "Bash(chmod:*)"
     ]
   }
 }

admin/setup.php

@@ -100,6 +100,40 @@ $formSetup->newItem('ImportSettings')->setAsTitle();
 
 $formSetup->newItem('IMPORTZUGFERD_AUTO_CREATE_INVOICE')->setAsYesNo();
 
+// Email Notification Settings Section
+$formSetup->newItem('NotificationSettings')->setAsTitle();
+
+$formSetup->newItem('IMPORTZUGFERD_NOTIFY_ENABLED')->setAsYesNo();
+
+$item = $formSetup->newItem('IMPORTZUGFERD_NOTIFY_EMAIL');
+$item->defaultFieldValue = '';
+$item->cssClass = 'minwidth300';
+$item->fieldAttr['placeholder'] = 'admin@example.com';
+
+$formSetup->newItem('IMPORTZUGFERD_NOTIFY_MANUAL')->setAsYesNo();
+$formSetup->newItem('IMPORTZUGFERD_NOTIFY_ERROR')->setAsYesNo();
+$formSetup->newItem('IMPORTZUGFERD_NOTIFY_PRICE_DIFF')->setAsYesNo();
+
+$item = $formSetup->newItem('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD');
+$item->defaultFieldValue = '10';
+$item->cssClass = 'width75';
+$item->fieldAttr['type'] = 'number';
+$item->fieldAttr['min'] = '0';
+$item->fieldAttr['max'] = '100';
+$item->fieldAttr['step'] = '1';
+
+// Scheduling Settings Section
+$formSetup->newItem('SchedulingSettings')->setAsTitle();
+
+$item = $formSetup->newItem('IMPORTZUGFERD_IMPORT_FREQUENCY');
+$item->setAsSelect(array(
+    'manual' => $langs->trans('FrequencyManual'),
+    'hourly' => $langs->trans('FrequencyHourly'),
+    'daily' => $langs->trans('FrequencyDaily'),
+    'weekly' => $langs->trans('FrequencyWeekly')
+));
+$item->defaultFieldValue = 'manual';
+
 // Folder Import Settings Section
 $formSetup->newItem('FolderImportSettings')->setAsTitle();
 
@@ -113,10 +147,25 @@ $item->defaultFieldValue = '';
 $item->cssClass = 'minwidth400';
 $item->fieldAttr['placeholder'] = '/path/to/archive';
 
+$item = $formSetup->newItem('IMPORTZUGFERD_ERROR_FOLDER');
+$item->defaultFieldValue = '';
+$item->cssClass = 'minwidth400';
+$item->fieldAttr['placeholder'] = '/path/to/errors';
+
 $item = $formSetup->newItem('IMPORTZUGFERD_IMAP_ARCHIVE_FOLDER');
 $item->defaultFieldValue = 'Archive';
 $item->cssClass = 'minwidth200';
 
+// Datanorm Settings Section
+$formSetup->newItem('DatanormSettings')->setAsTitle();
+
+$item = $formSetup->newItem('IMPORTZUGFERD_DATANORM_MARKUP');
+$item->defaultFieldValue = '30';
+$item->cssClass = 'width100';
+$item->fieldAttr['placeholder'] = '30';
+
+$formSetup->newItem('IMPORTZUGFERD_DATANORM_SEARCH_ALL')->setAsYesNo();
+
 /*
  * Actions
  */
@@ -127,6 +176,69 @@ if (versioncompare(explode('.', DOL_VERSION), array(15)) < 0 && $action == 'upda
 
 include DOL_DOCUMENT_ROOT.'/core/actions_setmoduleoptions.inc.php';
 
+// AJAX action for folder browsing
+if ($action == 'browse_folders') {
+    $path = GETPOST('path', 'alpha');
+    $target = GETPOST('target', 'alpha');
+
+    // Sanitize path - default to /home for easier navigation
+    if (empty($path)) {
+        $path = '/home';
+    }
+    $path = realpath($path);
+    if ($path === false) {
+        $path = '/home';
+        if (!is_dir($path)) {
+            $path = '/';
+        }
+    }
+
+    // Get directories
+    $dirs = array();
+    if (is_dir($path) && is_readable($path)) {
+        $entries = @scandir($path);
+        if ($entries) {
+            foreach ($entries as $entry) {
+                if ($entry == '.') continue;
+                $fullPath = $path . '/' . $entry;
+                if (is_dir($fullPath) && is_readable($fullPath)) {
+                    $dirs[] = array(
+                        'name' => $entry,
+                        'path' => $fullPath
+                    );
+                }
+            }
+        }
+    }
+
+    // Return JSON
+    header('Content-Type: application/json');
+    echo json_encode(array(
+        'current' => $path,
+        'parent' => dirname($path),
+        'dirs' => $dirs,
+        'target' => $target
+    ));
+    exit;
+}
+
+// Save folder from browser
+if ($action == 'set_folder') {
+    $target = GETPOST('target', 'alpha');
+    $folder_path = GETPOST('folder_path', 'alpha');
+
+    if (in_array($target, array('IMPORTZUGFERD_WATCH_FOLDER', 'IMPORTZUGFERD_ARCHIVE_FOLDER'))) {
+        if (is_dir($folder_path)) {
+            dolibarr_set_const($db, $target, $folder_path, 'chaine', 0, '', $conf->entity);
+            setEventMessages($langs->trans('FolderSelected').': '.$folder_path, null, 'mesgs');
+        } else {
+            setEventMessages($langs->trans('ErrorFolderNotFound'), null, 'errors');
+        }
+    }
+    header('Location: '.$_SERVER['PHP_SELF']);
+    exit;
+}
+
 /*
  * View
  */
@@ -151,6 +263,229 @@ print '<span class="opacitymedium">'.$langs->trans("ImportZugferdSetupPage").'</
 // Display the form
 print $formSetup->generateOutput(true);
 
+// Build folder validation data for JavaScript
+$folderValidation = array();
+
+// Watch folder - only needs to be readable
+$watchFolder = getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER');
+if (!empty($watchFolder)) {
+    $watchExists = is_dir($watchFolder);
+    $watchReadable = $watchExists && is_readable($watchFolder);
+    if (!$watchExists) {
+        $folderValidation['IMPORTZUGFERD_WATCH_FOLDER'] = array('ok' => false, 'msg' => $langs->trans('FolderNotFound'));
+    } elseif (!$watchReadable) {
+        $folderValidation['IMPORTZUGFERD_WATCH_FOLDER'] = array('ok' => false, 'msg' => $langs->trans('FolderNotReadable'));
+    } else {
+        $files = glob($watchFolder.'/*.pdf');
+        $files = array_merge($files ?: [], glob($watchFolder.'/*.PDF') ?: []);
+        $folderValidation['IMPORTZUGFERD_WATCH_FOLDER'] = array('ok' => true, 'msg' => $langs->trans('FolderOK').' ('.count($files).' PDF)');
+    }
+}
+
+// Archive folder - needs to be writable
+$archiveFolder = getDolGlobalString('IMPORTZUGFERD_ARCHIVE_FOLDER');
+if (!empty($archiveFolder)) {
+    $archiveExists = is_dir($archiveFolder);
+    $archiveWritable = $archiveExists && is_writable($archiveFolder);
+    if (!$archiveExists) {
+        $folderValidation['IMPORTZUGFERD_ARCHIVE_FOLDER'] = array('ok' => false, 'msg' => $langs->trans('FolderNotFound'));
+    } elseif (!$archiveWritable) {
+        $folderValidation['IMPORTZUGFERD_ARCHIVE_FOLDER'] = array('ok' => false, 'msg' => $langs->trans('FolderNotWritable'));
+    } else {
+        $folderValidation['IMPORTZUGFERD_ARCHIVE_FOLDER'] = array('ok' => true, 'msg' => $langs->trans('FolderOK'));
+    }
+}
+
+// Error folder - needs to be writable
+$errorFolder = getDolGlobalString('IMPORTZUGFERD_ERROR_FOLDER');
+if (!empty($errorFolder)) {
+    $errorExists = is_dir($errorFolder);
+    $errorWritable = $errorExists && is_writable($errorFolder);
+    if (!$errorExists) {
+        $folderValidation['IMPORTZUGFERD_ERROR_FOLDER'] = array('ok' => false, 'msg' => $langs->trans('FolderNotFound'));
+    } elseif (!$errorWritable) {
+        $folderValidation['IMPORTZUGFERD_ERROR_FOLDER'] = array('ok' => false, 'msg' => $langs->trans('FolderNotWritable'));
+    } else {
+        $folderValidation['IMPORTZUGFERD_ERROR_FOLDER'] = array('ok' => true, 'msg' => $langs->trans('FolderOK'));
+    }
+}
+
+// Folder Browser Modal
+print '
+<div id="folderBrowserModal" style="display:none; position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.5); z-index:9999;">
+    <div style="position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); background:white; padding:20px; border-radius:8px; min-width:500px; max-width:80%; max-height:80%; overflow:auto; box-shadow:0 4px 20px rgba(0,0,0,0.3);">
+        <h3 style="margin-top:0;"><i class="fas fa-folder-open paddingright"></i>'.$langs->trans('SelectFolder').'</h3>
+        <div style="margin-bottom:10px;">
+            <input type="text" id="pathInput" style="width:80%; font-family:monospace;" placeholder="/path/to/folder">
+            <a class="button buttongen smallpaddingimp" href="#" onclick="goToPath(); return false;" title="'.$langs->trans('Go').'"><i class="fas fa-arrow-right"></i></a>
+        </div>
+        <div style="margin-bottom:5px;">
+            <span class="opacitymedium">'.$langs->trans('QuickLinks').':</span>
+            <a href="#" onclick="loadFolderContents(\'/home\'); return false;" class="paddingleft">/home</a>
+            <a href="#" onclick="loadFolderContents(\'/srv\'); return false;" class="paddingleft">/srv</a>
+            <a href="#" onclick="loadFolderContents(\'/var\'); return false;" class="paddingleft">/var</a>
+            <a href="#" onclick="loadFolderContents(\'/tmp\'); return false;" class="paddingleft">/tmp</a>
+        </div>
+        <div style="border:1px solid #ccc; padding:10px; max-height:300px; overflow-y:auto; background:#f9f9f9;" id="folderList">
+        </div>
+        <div style="margin-top:15px; text-align:right;">
+            <input type="hidden" id="folderTarget" value="">
+            <a class="button" href="#" onclick="selectCurrentFolder(); return false;"><i class="fas fa-check paddingright"></i>'.$langs->trans('SelectThisFolder').'</a>
+            <a class="button" href="#" onclick="closeFolderBrowser(); return false;">'.$langs->trans('Cancel').'</a>
+        </div>
+    </div>
+</div>
+
+<script>
+// Folder validation data from PHP
+var folderValidation = '.json_encode($folderValidation).';
+
+// Add browse buttons and validation icons next to folder input fields
+document.addEventListener("DOMContentLoaded", function() {
+    var folderFields = ["IMPORTZUGFERD_WATCH_FOLDER", "IMPORTZUGFERD_ARCHIVE_FOLDER", "IMPORTZUGFERD_ERROR_FOLDER"];
+    folderFields.forEach(function(fieldName) {
+        var input = document.querySelector("input[name=\"" + fieldName + "\"]");
+        if (input) {
+            // Add browse button
+            var btn = document.createElement("a");
+            btn.href = "#";
+            btn.className = "button buttongen smallpaddingimp";
+            btn.style.marginLeft = "5px";
+            btn.innerHTML = "<i class=\"fas fa-folder-open\"></i>";
+            btn.title = "'.$langs->trans('Browse').'";
+            btn.onclick = function(e) {
+                e.preventDefault();
+                var startPath = input.value || "/home";
+                openFolderBrowser(fieldName, startPath);
+            };
+            input.parentNode.insertBefore(btn, input.nextSibling);
+
+            // Add validation icon if folder is configured
+            if (folderValidation[fieldName]) {
+                var validIcon = document.createElement("span");
+                validIcon.style.marginLeft = "10px";
+                validIcon.id = "validation_" + fieldName;
+                if (folderValidation[fieldName].ok) {
+                    validIcon.innerHTML = "<i class=\"fas fa-check-circle\" style=\"color:green;\"></i> <span class=\"opacitymedium\">" + folderValidation[fieldName].msg + "</span>";
+                } else {
+                    validIcon.innerHTML = "<i class=\"fas fa-times-circle\" style=\"color:red;\"></i> <span style=\"color:red;\">" + folderValidation[fieldName].msg + "</span>";
+                }
+                btn.parentNode.insertBefore(validIcon, btn.nextSibling);
+            }
+        }
+    });
+});
+
+function openFolderBrowser(target, startPath) {
+    document.getElementById("folderTarget").value = target;
+    document.getElementById("folderBrowserModal").style.display = "block";
+    document.getElementById("pathInput").value = startPath || "/home";
+    loadFolderContents(startPath || "/home");
+}
+
+function goToPath() {
+    var path = document.getElementById("pathInput").value;
+    if (path) {
+        loadFolderContents(path);
+    }
+}
+
+function closeFolderBrowser() {
+    document.getElementById("folderBrowserModal").style.display = "none";
+}
+
+function loadFolderContents(path) {
+    var target = document.getElementById("folderTarget").value;
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", "'.$_SERVER['PHP_SELF'].'?action=browse_folders&path=" + encodeURIComponent(path) + "&target=" + target + "&token='.newToken().'", true);
+    xhr.onreadystatechange = function() {
+        if (xhr.readyState === 4 && xhr.status === 200) {
+            var data = JSON.parse(xhr.responseText);
+            document.getElementById("pathInput").value = data.current;
+
+            var html = "";
+            if (data.current !== "/" && data.parent) {
+                html += "<div style=\"padding:5px; cursor:pointer; border-bottom:1px solid #eee;\" onclick=\"loadFolderContents(\'" + data.parent.replace(/\'/g, "\\\'") + "\')\">";
+                html += "<i class=\"fas fa-level-up-alt paddingright\"></i><strong>..</strong> ('.$langs->trans('ParentFolder').')";
+                html += "</div>";
+            }
+
+            for (var i = 0; i < data.dirs.length; i++) {
+                var dir = data.dirs[i];
+                html += "<div style=\"padding:5px; cursor:pointer; border-bottom:1px solid #eee;\" onclick=\"loadFolderContents(\'" + dir.path.replace(/\'/g, "\\\'") + "\')\" onmouseover=\"this.style.background=\'#e8f4fc\'\" onmouseout=\"this.style.background=\'transparent\'\">";
+                html += "<i class=\"fas fa-folder paddingright\" style=\"color:#f0ad4e;\"></i>" + dir.name;
+                html += "</div>";
+            }
+
+            if (data.dirs.length === 0 && data.current !== "/") {
+                html += "<div style=\"padding:10px; color:#666; text-align:center;\">'.$langs->trans('NoSubfolders').'</div>";
+            }
+
+            document.getElementById("folderList").innerHTML = html;
+        }
+    };
+    xhr.send();
+}
+
+function selectCurrentFolder() {
+    var path = document.getElementById("pathInput").value;
+    var target = document.getElementById("folderTarget").value;
+    // Update the input field directly
+    var input = document.querySelector("input[name=\"" + target + "\"]");
+    if (input) {
+        input.value = path;
+    }
+    closeFolderBrowser();
+}
+
+// Close modal on escape key
+document.addEventListener("keydown", function(e) {
+    if (e.key === "Escape") closeFolderBrowser();
+});
+
+// Close modal on background click
+document.getElementById("folderBrowserModal").addEventListener("click", function(e) {
+    if (e.target === this) closeFolderBrowser();
+});
+</script>
+';
+
+// Email Notification Test Section
+if (getDolGlobalString('IMPORTZUGFERD_NOTIFY_ENABLED') && getDolGlobalString('IMPORTZUGFERD_NOTIFY_EMAIL')) {
+    print '<br>';
+    print '<div class="div-table-responsive-no-min">';
+    print '<table class="noborder centpercent">';
+    print '<tr class="liste_titre">';
+    print '<td colspan="2">'.$langs->trans('TestEmailNotification').'</td>';
+    print '</tr>';
+
+    // Handle test email action
+    if ($action == 'test_email') {
+        dol_include_once('/importzugferd/class/importnotification.class.php');
+        $notification = new ImportNotification($db);
+        $result = $notification->sendTestNotification();
+
+        if ($result > 0) {
+            setEventMessages($langs->trans('TestEmailSent', getDolGlobalString('IMPORTZUGFERD_NOTIFY_EMAIL')), null, 'mesgs');
+        } else {
+            setEventMessages($langs->trans('TestEmailFailed').': '.$notification->error, null, 'errors');
+        }
+    }
+
+    print '<tr class="oddeven">';
+    print '<td class="titlefield">'.$langs->trans('SendTestEmail').'</td>';
+    print '<td>';
+    print '<a class="button" href="'.$_SERVER['PHP_SELF'].'?action=test_email&token='.newToken().'">';
+    print '<i class="fas fa-paper-plane paddingright"></i>'.$langs->trans('SendTestEmail');
+    print '</a>';
+    print ' <span class="opacitymedium">'.$langs->trans('SendTo').': '.getDolGlobalString('IMPORTZUGFERD_NOTIFY_EMAIL').'</span>';
+    print '</td>';
+    print '</tr>';
+
+    print '</table>';
+    print '</div>';
+}
+
 // Test IMAP connection button and folder selection
 if (getDolGlobalString('IMPORTZUGFERD_IMAP_HOST')) {
     print '<br>';
@@ -277,6 +612,222 @@ if (getDolGlobalString('IMPORTZUGFERD_IMAP_HOST')) {
     print '</div>';
 }
 
+// Manual Import Trigger Section
+$hasFolder = getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER') && is_dir(getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER'));
+$hasImap = getDolGlobalString('IMPORTZUGFERD_IMAP_HOST') && getDolGlobalString('IMPORTZUGFERD_IMAP_USER');
+
+if ($hasFolder || $hasImap) {
+    print '<br>';
+    print '<div class="div-table-responsive-no-min">';
+    print '<table class="noborder centpercent">';
+    print '<tr class="liste_titre">';
+    print '<td colspan="2">'.$langs->trans('ManualImportTrigger').'</td>';
+    print '</tr>';
+
+    // Handle manual import action
+    if ($action == 'run_import') {
+        $source = GETPOST('import_source', 'alpha');
+        dol_include_once('/importzugferd/class/zugferdimport.class.php');
+        dol_include_once('/importzugferd/class/zugferdparser.class.php');
+
+        $successCount = 0;
+        $errorCount = 0;
+        $skippedCount = 0;
+
+        if ($source == 'folder' && $hasFolder) {
+            $watchFolder = getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER');
+            $archiveFolder = getDolGlobalString('IMPORTZUGFERD_ARCHIVE_FOLDER');
+            $errorFolder = getDolGlobalString('IMPORTZUGFERD_ERROR_FOLDER');
+            $autoCreate = getDolGlobalInt('IMPORTZUGFERD_AUTO_CREATE_INVOICE');
+
+            $files = glob($watchFolder.'/*.pdf');
+            $files = array_merge($files, glob($watchFolder.'/*.PDF'));
+
+            // Create archive folder if configured but doesn't exist
+            if (!empty($archiveFolder) && !is_dir($archiveFolder)) {
+                dol_mkdir($archiveFolder);
+            }
+            // Create error folder if configured but doesn't exist
+            if (!empty($errorFolder) && !is_dir($errorFolder)) {
+                dol_mkdir($errorFolder);
+            }
+
+            // Helper function for moving files with fallback
+            $moveFile = function($file, $targetFolder, $prefix) {
+                if (empty($targetFolder)) {
+                    return false;
+                }
+                if (!is_dir($targetFolder)) {
+                    dol_mkdir($targetFolder);
+                }
+                if (!is_dir($targetFolder) || !is_writable($targetFolder)) {
+                    dol_syslog("ImportZugferd: Target folder not accessible: ".$targetFolder, LOG_WARNING);
+                    return false;
+                }
+                $destFile = $targetFolder.'/'.$prefix.date('Y-m-d_His').'_'.basename($file);
+                if (@rename($file, $destFile)) {
+                    dol_syslog("ImportZugferd: Moved file to: ".$destFile, LOG_INFO);
+                    return true;
+                }
+                // Fallback: copy + delete (for cross-filesystem moves)
+                if (@copy($file, $destFile)) {
+                    @unlink($file);
+                    dol_syslog("ImportZugferd: Copied file to: ".$destFile, LOG_INFO);
+                    return true;
+                }
+                dol_syslog("ImportZugferd: Failed to move file: ".$file." to ".$destFile, LOG_ERR);
+                return false;
+            };
+
+            foreach ($files as $file) {
+                $import = new ZugferdImport($db);
+                $result = $import->importFromFile($user, $file, $autoCreate);
+
+                if ($result > 0) {
+                    $successCount++;
+                    $moveFile($file, $archiveFolder, 'imported_');
+                } elseif ($result == -2) {
+                    // Duplicate - move to archive
+                    $skippedCount++;
+                    if (!$moveFile($file, $archiveFolder, 'duplicate_')) {
+                        @unlink($file);
+                    }
+                } else {
+                    // Error - move to error folder, fallback to archive
+                    $errorCount++;
+                    if (!$moveFile($file, $errorFolder, 'error_')) {
+                        if (!$moveFile($file, $archiveFolder, 'error_')) {
+                            dol_syslog("ImportZugferd: File stays in watch folder: ".$file, LOG_WARNING);
+                        }
+                    }
+                }
+            }
+        } elseif ($source == 'imap' && $hasImap && function_exists('imap_open')) {
+            $host = getDolGlobalString('IMPORTZUGFERD_IMAP_HOST');
+            $port = getDolGlobalString('IMPORTZUGFERD_IMAP_PORT', '993');
+            $imap_user = getDolGlobalString('IMPORTZUGFERD_IMAP_USER');
+            $password = getDolGlobalString('IMPORTZUGFERD_IMAP_PASSWORD');
+            $ssl = getDolGlobalString('IMPORTZUGFERD_IMAP_SSL');
+            $folder = getDolGlobalString('IMPORTZUGFERD_IMAP_FOLDER', 'INBOX');
+            $archiveFolder = getDolGlobalString('IMPORTZUGFERD_IMAP_ARCHIVE_FOLDER');
+            $autoCreate = getDolGlobalInt('IMPORTZUGFERD_AUTO_CREATE_INVOICE');
+
+            $mailbox = '{' . $host . ':' . $port . '/imap' . ($ssl ? '/ssl' : '') . '/novalidate-cert}' . $folder;
+            $connection = @imap_open($mailbox, $imap_user, $password);
+
+            if ($connection) {
+                $emails = imap_search($connection, 'UNSEEN');
+                if ($emails) {
+                    foreach ($emails as $email_number) {
+                        $structure = imap_fetchstructure($connection, $email_number);
+
+                        // Find PDF attachments
+                        if (isset($structure->parts)) {
+                            foreach ($structure->parts as $partIndex => $part) {
+                                $filename = '';
+                                if ($part->ifdparameters) {
+                                    foreach ($part->dparameters as $param) {
+                                        if (strtolower($param->attribute) == 'filename') {
+                                            $filename = $param->value;
+                                        }
+                                    }
+                                }
+                                if (empty($filename) && $part->ifparameters) {
+                                    foreach ($part->parameters as $param) {
+                                        if (strtolower($param->attribute) == 'name') {
+                                            $filename = $param->value;
+                                        }
+                                    }
+                                }
+
+                                if (!empty($filename) && preg_match('/\.pdf$/i', $filename)) {
+                                    $attachment = imap_fetchbody($connection, $email_number, $partIndex + 1);
+                                    if ($part->encoding == 3) { // BASE64
+                                        $attachment = base64_decode($attachment);
+                                    } elseif ($part->encoding == 4) { // QUOTED-PRINTABLE
+                                        $attachment = quoted_printable_decode($attachment);
+                                    }
+
+                                    // Save to temp file
+                                    $tempFile = $conf->importzugferd->dir_temp.'/'.uniqid().'_'.$filename;
+                                    if (!is_dir($conf->importzugferd->dir_temp)) {
+                                        dol_mkdir($conf->importzugferd->dir_temp);
+                                    }
+                                    file_put_contents($tempFile, $attachment);
+
+                                    // Import
+                                    $import = new ZugferdImport($db);
+                                    $result = $import->importFromFile($user, $tempFile, $autoCreate);
+
+                                    if ($result > 0) {
+                                        $successCount++;
+                                    } elseif ($result == -2) {
+                                        $skippedCount++;
+                                    } else {
+                                        $errorCount++;
+                                    }
+
+                                    unlink($tempFile);
+                                }
+                            }
+                        }
+                    }
+
+                    // Archive processed emails
+                    if (!empty($archiveFolder) && $successCount > 0) {
+                        foreach ($emails as $email_number) {
+                            imap_mail_move($connection, $email_number, $archiveFolder);
+                        }
+                        imap_expunge($connection);
+                    }
+                }
+                imap_close($connection);
+            } else {
+                setEventMessages($langs->trans('ConnectionFailed').': '.imap_last_error(), null, 'errors');
+            }
+        }
+
+        if ($successCount > 0 || $errorCount > 0 || $skippedCount > 0) {
+            setEventMessages($langs->trans('BatchImportComplete', $successCount, $errorCount, $skippedCount), null, 'mesgs');
+        } else {
+            setEventMessages($langs->trans('NoFilesFound'), null, 'warnings');
+        }
+    }
+
+    print '<tr class="oddeven">';
+    print '<td class="titlefield">'.$langs->trans('ImportFromFolder').'</td>';
+    print '<td>';
+    if ($hasFolder) {
+        print '<a class="button" href="'.$_SERVER['PHP_SELF'].'?action=run_import&import_source=folder&token='.newToken().'">';
+        print '<i class="fas fa-folder-open paddingright"></i>'.$langs->trans('StartImport');
+        print '</a>';
+        print ' <span class="opacitymedium">'.getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER').'</span>';
+    } else {
+        print '<span class="opacitymedium">'.$langs->trans('ErrorWatchFolderNotConfigured').'</span>';
+    }
+    print '</td>';
+    print '</tr>';
+
+    print '<tr class="oddeven">';
+    print '<td>'.$langs->trans('ImportFromIMAP').'</td>';
+    print '<td>';
+    if ($hasImap && function_exists('imap_open')) {
+        print '<a class="button" href="'.$_SERVER['PHP_SELF'].'?action=run_import&import_source=imap&token='.newToken().'">';
+        print '<i class="fas fa-envelope paddingright"></i>'.$langs->trans('StartImport');
+        print '</a>';
+        print ' <span class="opacitymedium">'.getDolGlobalString('IMPORTZUGFERD_IMAP_USER').'</span>';
+    } elseif (!function_exists('imap_open')) {
+        print '<span class="opacitymedium">'.$langs->trans('IMAPExtensionNotInstalled').'</span>';
+    } else {
+        print '<span class="opacitymedium">'.$langs->trans('ErrorIMAPNotConfigured').'</span>';
+    }
+    print '</td>';
+    print '</tr>';
+
+    print '</table>';
+    print '</div>';
+}
+
 print '<br>';
 
 // Page end

batch.php

@@ -80,6 +80,7 @@ if ($action == 'process') {
         // Import from local folder
         $watch_folder = getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER');
         $archive_folder = getDolGlobalString('IMPORTZUGFERD_ARCHIVE_FOLDER');
+        $error_folder = getDolGlobalString('IMPORTZUGFERD_ERROR_FOLDER');
 
         if (empty($watch_folder) || !is_dir($watch_folder)) {
             setEventMessages($langs->trans('ErrorWatchFolderNotConfigured'), null, 'errors');
@@ -89,6 +90,10 @@ if ($action == 'process') {
             if (!empty($archive_folder) && !is_dir($archive_folder)) {
                 dol_mkdir($archive_folder);
             }
+            // Create error folder if needed
+            if (!empty($error_folder) && !is_dir($error_folder)) {
+                dol_mkdir($error_folder);
+            }
 
             // Get PDF files from watch folder
             $files = glob($watch_folder . '/*.pdf');
@@ -115,17 +120,32 @@ if ($action == 'process') {
 
                         // Move to archive
                         if (!empty($archive_folder) && is_dir($archive_folder)) {
-                            $archive_path = $archive_folder . '/' . basename($pdf_path);
+                            $archive_path = $archive_folder . '/success_' . date('Y-m-d_His') . '_' . basename($pdf_path);
-                            if (rename($pdf_path, $archive_path)) {
+                            if (@rename($pdf_path, $archive_path) || (@copy($pdf_path, $archive_path) && @unlink($pdf_path))) {
                                 $result['archived'] = true;
                             }
                         }
                     } elseif ($res == -3) {
-                        // Duplicate
+                        // Duplicate - move to archive (already imported)
                         $result['status'] = 'skipped';
                         $result['message'] = $langs->trans('ErrorDuplicateInvoice');
+
+                        if (!empty($archive_folder) && is_dir($archive_folder)) {
+                            $archive_path = $archive_folder . '/duplicate_' . date('Y-m-d_His') . '_' . basename($pdf_path);
+                            if (@rename($pdf_path, $archive_path) || (@copy($pdf_path, $archive_path) && @unlink($pdf_path))) {
+                                $result['archived'] = true;
+                            }
+                        }
                     } else {
+                        // Error - move to error folder
                         $result['message'] = $actions->error;
+
+                        if (!empty($error_folder) && is_dir($error_folder)) {
+                            $error_path = $error_folder . '/error_' . date('Y-m-d_His') . '_' . basename($pdf_path);
+                            if (@rename($pdf_path, $error_path) || (@copy($pdf_path, $error_path) && @unlink($pdf_path))) {
+                                $result['moved_to_error'] = true;
+                            }
+                        }
                     }
 
                     $import_results[] = $result;

class/cron_importzugferd.class.php

@@ -21,7 +21,7 @@ dol_include_once('/importzugferd/class/actions_importzugferd.class.php');
 
 /**
  * Class CronImportZugferd
- * Cronjob handler for fetching ZUGFeRD invoices from IMAP mailbox
+ * Cronjob handler for fetching ZUGFeRD invoices from IMAP mailbox and folder
  */
 class CronImportZugferd
 {
@@ -70,6 +70,180 @@ class CronImportZugferd
         $this->db = $db;
     }
 
+    /**
+     * Check if import should run based on configured frequency
+     *
+     * @return bool True if import should run
+     */
+    protected function shouldRunImport()
+    {
+        global $conf;
+
+        $frequency = getDolGlobalString('IMPORTZUGFERD_IMPORT_FREQUENCY', 'manual');
+
+        if ($frequency === 'manual') {
+            return false;
+        }
+
+        // Get last run timestamp
+        $lastRun = getDolGlobalInt('IMPORTZUGFERD_LAST_IMPORT_RUN', 0);
+        $now = dol_now();
+
+        // Calculate minimum interval based on frequency
+        $interval = 0;
+        switch ($frequency) {
+            case 'hourly':
+                $interval = 3600; // 1 hour
+                break;
+            case 'daily':
+                $interval = 86400; // 24 hours
+                break;
+            case 'weekly':
+                $interval = 604800; // 7 days
+                break;
+        }
+
+        // Check if enough time has passed
+        if ($now - $lastRun < $interval) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Update last run timestamp
+     */
+    protected function updateLastRunTime()
+    {
+        global $conf;
+        dolibarr_set_const($this->db, 'IMPORTZUGFERD_LAST_IMPORT_RUN', dol_now(), 'chaine', 0, '', $conf->entity);
+    }
+
+    /**
+     * Main import method - imports from both folder and mailbox
+     *
+     * @return int 0 if OK, <0 if error
+     */
+    public function runScheduledImport()
+    {
+        global $conf, $user, $langs;
+
+        $langs->load('importzugferd@importzugferd');
+
+        // Check if we should run based on frequency
+        if (!$this->shouldRunImport()) {
+            $this->output = 'Skipped - not scheduled to run (frequency: '.getDolGlobalString('IMPORTZUGFERD_IMPORT_FREQUENCY', 'manual').')';
+            return 0;
+        }
+
+        // Reset counters
+        $this->imported_count = 0;
+        $this->skipped_count = 0;
+        $this->error_count = 0;
+        $this->errors = array();
+
+        $folderResult = $this->importFromFolder();
+        $mailboxResult = $this->fetchFromMailbox();
+
+        // Update last run time
+        $this->updateLastRunTime();
+
+        // Build combined output
+        $this->output = sprintf(
+            "Scheduled import complete. Imported: %d, Skipped: %d, Errors: %d",
+            $this->imported_count,
+            $this->skipped_count,
+            $this->error_count
+        );
+
+        if ($this->error_count > 0 && !empty($this->errors)) {
+            $this->output .= "\nErrors: " . implode(", ", array_slice($this->errors, 0, 5));
+        }
+
+        return ($this->error_count > 0) ? -1 : 0;
+    }
+
+    /**
+     * Import ZUGFeRD invoices from watch folder
+     *
+     * @return int 0 if OK, <0 if error
+     */
+    public function importFromFolder()
+    {
+        global $conf, $user, $langs;
+
+        $langs->load('importzugferd@importzugferd');
+
+        $watchFolder = getDolGlobalString('IMPORTZUGFERD_WATCH_FOLDER');
+        $archiveFolder = getDolGlobalString('IMPORTZUGFERD_ARCHIVE_FOLDER');
+        $errorFolder = getDolGlobalString('IMPORTZUGFERD_ERROR_FOLDER');
+        $autoCreate = getDolGlobalString('IMPORTZUGFERD_AUTO_CREATE_INVOICE');
+
+        // Validate settings
+        if (empty($watchFolder) || !is_dir($watchFolder)) {
+            $this->output = 'Watch folder not configured or not accessible';
+            return 0; // Not an error, just not configured
+        }
+
+        // Load admin user for import actions
+        $admin_user = new User($this->db);
+        $admin_user->fetch(1);
+
+        // Find PDF files
+        $files = glob($watchFolder . '/*.pdf');
+        $files = array_merge($files, glob($watchFolder . '/*.PDF'));
+
+        if (empty($files)) {
+            return 0;
+        }
+
+        // Ensure archive folder exists if configured
+        if (!empty($archiveFolder) && !is_dir($archiveFolder)) {
+            dol_mkdir($archiveFolder);
+        }
+
+        // Ensure error folder exists if configured
+        if (!empty($errorFolder) && !is_dir($errorFolder)) {
+            dol_mkdir($errorFolder);
+        }
+
+        foreach ($files as $file) {
+            // Use ZugferdImport::importFromFile for consistent handling
+            $import = new ZugferdImport($this->db);
+            $result = $import->importFromFile($admin_user, $file, $autoCreate);
+
+            if ($result > 0) {
+                $this->imported_count++;
+                dol_syslog("CronImportZugferd: Imported invoice from folder: " . basename($file), LOG_INFO);
+
+                // Archive the file
+                $this->moveFile($file, $archiveFolder, 'imported_');
+            } elseif ($result == -2) {
+                // Duplicate - already imported
+                $this->skipped_count++;
+                dol_syslog("CronImportZugferd: Skipped duplicate invoice: " . basename($file), LOG_INFO);
+
+                // Archive duplicates - delete if no archive folder
+                if (!$this->moveFile($file, $archiveFolder, 'duplicate_')) {
+                    @unlink($file);
+                }
+            } else {
+                $this->error_count++;
+                $this->errors[] = basename($file) . ': ' . $import->error;
+                dol_syslog("CronImportZugferd: Error importing: " . basename($file) . " - " . $import->error, LOG_WARNING);
+
+                // Try error folder first, fall back to archive folder
+                if (!$this->moveFile($file, $errorFolder, 'error_')) {
+                    // Use archive folder as fallback for errors
+                    $this->moveFile($file, $archiveFolder, 'error_');
+                }
+            }
+        }
+
+        return 0;
+    }
+
     /**
      * Fetch ZUGFeRD invoices from configured IMAP mailbox
      *
@@ -296,4 +470,68 @@ class CronImportZugferd
             'data' => $data
         );
     }
+
+    /**
+     * Move file to target folder with proper error handling
+     *
+     * @param string $file Source file path
+     * @param string $targetFolder Target folder path
+     * @param string $prefix Filename prefix (e.g., 'imported_', 'duplicate_', 'error_')
+     * @return bool True if moved/deleted, false on failure
+     */
+    protected function moveFile($file, $targetFolder, $prefix = '')
+    {
+        if (!file_exists($file)) {
+            dol_syslog("CronImportZugferd: File not found: " . $file, LOG_WARNING);
+            return false;
+        }
+
+        // If target folder is configured and exists/writable
+        if (!empty($targetFolder)) {
+            // Create folder if it doesn't exist
+            if (!is_dir($targetFolder)) {
+                $result = dol_mkdir($targetFolder);
+                if ($result < 0) {
+                    dol_syslog("CronImportZugferd: Failed to create folder: " . $targetFolder, LOG_WARNING);
+                }
+            }
+
+            if (is_dir($targetFolder) && is_writable($targetFolder)) {
+                $targetPath = $targetFolder . '/' . $prefix . date('Y-m-d_His') . '_' . basename($file);
+
+                if (@rename($file, $targetPath)) {
+                    dol_syslog("CronImportZugferd: Moved file to: " . $targetPath, LOG_INFO);
+                    return true;
+                } else {
+                    // Try copy + delete as fallback (for cross-filesystem moves)
+                    if (@copy($file, $targetPath)) {
+                        @unlink($file);
+                        dol_syslog("CronImportZugferd: Copied file to: " . $targetPath, LOG_INFO);
+                        return true;
+                    } else {
+                        dol_syslog("CronImportZugferd: Failed to move/copy file to: " . $targetPath, LOG_ERR);
+                        return false;
+                    }
+                }
+            } else {
+                dol_syslog("CronImportZugferd: Target folder not writable: " . $targetFolder, LOG_WARNING);
+            }
+        }
+
+        // No target folder configured or not writable - delete file from watch folder
+        // to prevent re-processing (except for errors without error folder)
+        if ($prefix !== 'error_') {
+            if (@unlink($file)) {
+                dol_syslog("CronImportZugferd: Deleted processed file: " . $file, LOG_INFO);
+                return true;
+            } else {
+                dol_syslog("CronImportZugferd: Failed to delete file: " . $file, LOG_ERR);
+                return false;
+            }
+        }
+
+        // Error files stay in watch folder if no error folder configured
+        dol_syslog("CronImportZugferd: Keeping error file in watch folder: " . $file, LOG_INFO);
+        return true;
+    }
 }

class/datanorm.class.php

@@ -0,0 +1,989 @@
+<?php
+/* Copyright (C) 2026 Eduard Wisch <data@data-it-solution.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+/**
+ * \file    class/datanorm.class.php
+ * \ingroup importzugferd
+ * \brief   Class for Datanorm article database operations
+ */
+
+require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';
+
+/**
+ * Class Datanorm
+ * Manages Datanorm articles in database
+ */
+class Datanorm extends CommonObject
+{
+    /**
+     * @var string ID to identify managed object
+     */
+    public $element = 'datanorm';
+
+    /**
+     * @var string Name of table without prefix
+     */
+    public $table_element = 'importzugferd_datanorm';
+
+    /**
+     * @var int Does object support multicompany
+     */
+    public $ismultientitymanaged = 1;
+
+    /**
+     * @var int Supplier ID
+     */
+    public $fk_soc;
+
+    /**
+     * @var string Article number
+     */
+    public $article_number;
+
+    /**
+     * @var string Short text 1
+     */
+    public $short_text1;
+
+    /**
+     * @var string Short text 2
+     */
+    public $short_text2;
+
+    /**
+     * @var string Long text
+     */
+    public $long_text;
+
+    /**
+     * @var string EAN/GTIN
+     */
+    public $ean;
+
+    /**
+     * @var string Manufacturer article number
+     */
+    public $manufacturer_ref;
+
+    /**
+     * @var string Manufacturer name
+     */
+    public $manufacturer_name;
+
+    /**
+     * @var string Unit code
+     */
+    public $unit_code;
+
+    /**
+     * @var float Price
+     */
+    public $price = 0;
+
+    /**
+     * @var int Price unit (pieces per price)
+     */
+    public $price_unit = 1;
+
+    /**
+     * @var string Discount group
+     */
+    public $discount_group;
+
+    /**
+     * @var string Product group
+     */
+    public $product_group;
+
+    /**
+     * @var string Alternative unit
+     */
+    public $alt_unit;
+
+    /**
+     * @var float Alternative unit factor
+     */
+    public $alt_unit_factor = 1;
+
+    /**
+     * @var float Weight in kg
+     */
+    public $weight;
+
+    /**
+     * @var string Matchcode
+     */
+    public $matchcode;
+
+    /**
+     * @var string Datanorm version
+     */
+    public $datanorm_version;
+
+    /**
+     * @var string Import date
+     */
+    public $import_date;
+
+    /**
+     * @var int Active flag
+     */
+    public $active = 1;
+
+    /**
+     * @var string Date creation
+     */
+    public $date_creation;
+
+    /**
+     * @var int User creator
+     */
+    public $fk_user_creat;
+
+    /**
+     * @var int User modifier
+     */
+    public $fk_user_modif;
+
+    /**
+     * Constructor
+     *
+     * @param DoliDB $db Database handler
+     */
+    public function __construct($db)
+    {
+        $this->db = $db;
+    }
+
+    /**
+     * Create object into database
+     *
+     * @param User $user User that creates
+     * @return int <0 if KO, Id of created object if OK
+     */
+    public function create($user)
+    {
+        global $conf;
+
+        $this->entity = $conf->entity;
+
+        if (empty($this->date_creation)) {
+            $this->date_creation = dol_now();
+        }
+        if (empty($this->import_date)) {
+            $this->import_date = dol_now();
+        }
+
+        $this->fk_user_creat = $user->id;
+
+        $sql = "INSERT INTO " . MAIN_DB_PREFIX . $this->table_element . " (";
+        $sql .= "fk_soc, article_number, short_text1, short_text2, long_text,";
+        $sql .= "ean, manufacturer_ref, manufacturer_name, unit_code,";
+        $sql .= "price, price_unit, discount_group, product_group,";
+        $sql .= "alt_unit, alt_unit_factor, weight, matchcode,";
+        $sql .= "datanorm_version, import_date, active, date_creation, fk_user_creat, entity";
+        $sql .= ") VALUES (";
+        $sql .= (int) $this->fk_soc . ",";
+        $sql .= "'" . $this->db->escape($this->article_number) . "',";
+        $sql .= "'" . $this->db->escape($this->short_text1) . "',";
+        $sql .= "'" . $this->db->escape($this->short_text2) . "',";
+        $sql .= "'" . $this->db->escape($this->long_text) . "',";
+        $sql .= "'" . $this->db->escape($this->ean) . "',";
+        $sql .= "'" . $this->db->escape($this->manufacturer_ref) . "',";
+        $sql .= "'" . $this->db->escape($this->manufacturer_name) . "',";
+        $sql .= "'" . $this->db->escape($this->unit_code) . "',";
+        $sql .= (float) $this->price . ",";
+        $sql .= (int) $this->price_unit . ",";
+        $sql .= "'" . $this->db->escape($this->discount_group) . "',";
+        $sql .= "'" . $this->db->escape($this->product_group) . "',";
+        $sql .= "'" . $this->db->escape($this->alt_unit) . "',";
+        $sql .= (float) $this->alt_unit_factor . ",";
+        $sql .= ($this->weight !== null ? (float) $this->weight : 'NULL') . ",";
+        $sql .= "'" . $this->db->escape($this->matchcode) . "',";
+        $sql .= "'" . $this->db->escape($this->datanorm_version) . "',";
+        $sql .= "'" . $this->db->escape($this->db->idate($this->import_date)) . "',";
+        $sql .= (int) $this->active . ",";
+        $sql .= "'" . $this->db->escape($this->db->idate($this->date_creation)) . "',";
+        $sql .= (int) $this->fk_user_creat . ",";
+        $sql .= (int) $this->entity;
+        $sql .= ")";
+
+        dol_syslog(get_class($this) . "::create", LOG_DEBUG);
+        $resql = $this->db->query($sql);
+
+        if (!$resql) {
+            $this->error = $this->db->lasterror();
+            return -1;
+        }
+
+        $this->id = $this->db->last_insert_id(MAIN_DB_PREFIX . $this->table_element);
+        return $this->id;
+    }
+
+    /**
+     * Create or update article (upsert)
+     *
+     * @param User $user User that creates/modifies
+     * @return int <0 if KO, Id of object if OK
+     */
+    public function createOrUpdate($user)
+    {
+        // Check if article exists
+        $existing = $this->fetchByArticleNumber($this->fk_soc, $this->article_number);
+
+        if ($existing > 0) {
+            return $this->update($user);
+        } else {
+            return $this->create($user);
+        }
+    }
+
+    /**
+     * Load object in memory from database
+     *
+     * @param int $id Id object
+     * @return int <0 if KO, 0 if not found, >0 if OK
+     */
+    public function fetch($id)
+    {
+        $sql = "SELECT rowid, fk_soc, article_number, short_text1, short_text2, long_text,";
+        $sql .= " ean, manufacturer_ref, manufacturer_name, unit_code,";
+        $sql .= " price, price_unit, discount_group, product_group,";
+        $sql .= " alt_unit, alt_unit_factor, weight, matchcode,";
+        $sql .= " datanorm_version, import_date, active, date_creation, tms, fk_user_creat, fk_user_modif, entity";
+        $sql .= " FROM " . MAIN_DB_PREFIX . $this->table_element;
+        $sql .= " WHERE rowid = " . (int) $id;
+
+        dol_syslog(get_class($this) . "::fetch", LOG_DEBUG);
+        $resql = $this->db->query($sql);
+
+        if ($resql) {
+            if ($this->db->num_rows($resql)) {
+                $obj = $this->db->fetch_object($resql);
+                $this->setFromObject($obj);
+                $this->db->free($resql);
+                return 1;
+            } else {
+                $this->db->free($resql);
+                return 0;
+            }
+        } else {
+            $this->error = $this->db->lasterror();
+            return -1;
+        }
+    }
+
+    /**
+     * Fetch by supplier and article number
+     *
+     * @param int $fk_soc Supplier ID
+     * @param string $article_number Article number
+     * @return int <0 if KO, 0 if not found, >0 if OK
+     */
+    public function fetchByArticleNumber($fk_soc, $article_number)
+    {
+        global $conf;
+
+        $sql = "SELECT rowid, fk_soc, article_number, short_text1, short_text2, long_text,";
+        $sql .= " ean, manufacturer_ref, manufacturer_name, unit_code,";
+        $sql .= " price, price_unit, discount_group, product_group,";
+        $sql .= " alt_unit, alt_unit_factor, weight, matchcode,";
+        $sql .= " datanorm_version, import_date, active, date_creation, tms, fk_user_creat, fk_user_modif, entity";
+        $sql .= " FROM " . MAIN_DB_PREFIX . $this->table_element;
+        $sql .= " WHERE fk_soc = " . (int) $fk_soc;
+        $sql .= " AND article_number = '" . $this->db->escape($article_number) . "'";
+        $sql .= " AND entity = " . (int) $conf->entity;
+
+        dol_syslog(get_class($this) . "::fetchByArticleNumber", LOG_DEBUG);
+        $resql = $this->db->query($sql);
+
+        if ($resql) {
+            if ($this->db->num_rows($resql)) {
+                $obj = $this->db->fetch_object($resql);
+                $this->setFromObject($obj);
+                $this->db->free($resql);
+                return 1;
+            } else {
+                $this->db->free($resql);
+                return 0;
+            }
+        } else {
+            $this->error = $this->db->lasterror();
+            return -1;
+        }
+    }
+
+    /**
+     * Set object properties from database object
+     *
+     * @param object $obj Database row object
+     */
+    protected function setFromObject($obj)
+    {
+        $this->id = $obj->rowid;
+        $this->fk_soc = $obj->fk_soc;
+        $this->article_number = $obj->article_number;
+        $this->short_text1 = $obj->short_text1;
+        $this->short_text2 = $obj->short_text2;
+        $this->long_text = $obj->long_text;
+        $this->ean = $obj->ean;
+        $this->manufacturer_ref = $obj->manufacturer_ref;
+        $this->manufacturer_name = $obj->manufacturer_name;
+        $this->unit_code = $obj->unit_code;
+        $this->price = $obj->price;
+        $this->price_unit = $obj->price_unit;
+        $this->discount_group = $obj->discount_group;
+        $this->product_group = $obj->product_group;
+        $this->alt_unit = $obj->alt_unit;
+        $this->alt_unit_factor = $obj->alt_unit_factor;
+        $this->weight = $obj->weight;
+        $this->matchcode = $obj->matchcode;
+        $this->datanorm_version = $obj->datanorm_version;
+        $this->import_date = $this->db->jdate($obj->import_date);
+        $this->active = $obj->active;
+        $this->date_creation = $this->db->jdate($obj->date_creation);
+        $this->tms = $this->db->jdate($obj->tms);
+        $this->fk_user_creat = $obj->fk_user_creat;
+        $this->fk_user_modif = $obj->fk_user_modif;
+        $this->entity = $obj->entity;
+    }
+
+    /**
+     * Update object in database
+     *
+     * @param User $user User that modifies
+     * @return int <0 if KO, >0 if OK
+     */
+    public function update($user)
+    {
+        $this->fk_user_modif = $user->id;
+        $this->import_date = dol_now();
+
+        $sql = "UPDATE " . MAIN_DB_PREFIX . $this->table_element . " SET";
+        $sql .= " short_text1 = '" . $this->db->escape($this->short_text1) . "',";
+        $sql .= " short_text2 = '" . $this->db->escape($this->short_text2) . "',";
+        $sql .= " long_text = '" . $this->db->escape($this->long_text) . "',";
+        $sql .= " ean = '" . $this->db->escape($this->ean) . "',";
+        $sql .= " manufacturer_ref = '" . $this->db->escape($this->manufacturer_ref) . "',";
+        $sql .= " manufacturer_name = '" . $this->db->escape($this->manufacturer_name) . "',";
+        $sql .= " unit_code = '" . $this->db->escape($this->unit_code) . "',";
+        $sql .= " price = " . (float) $this->price . ",";
+        $sql .= " price_unit = " . (int) $this->price_unit . ",";
+        $sql .= " discount_group = '" . $this->db->escape($this->discount_group) . "',";
+        $sql .= " product_group = '" . $this->db->escape($this->product_group) . "',";
+        $sql .= " alt_unit = '" . $this->db->escape($this->alt_unit) . "',";
+        $sql .= " alt_unit_factor = " . (float) $this->alt_unit_factor . ",";
+        $sql .= " weight = " . ($this->weight !== null ? (float) $this->weight : 'NULL') . ",";
+        $sql .= " matchcode = '" . $this->db->escape($this->matchcode) . "',";
+        $sql .= " datanorm_version = '" . $this->db->escape($this->datanorm_version) . "',";
+        $sql .= " import_date = '" . $this->db->escape($this->db->idate($this->import_date)) . "',";
+        $sql .= " active = " . (int) $this->active . ",";
+        $sql .= " fk_user_modif = " . (int) $this->fk_user_modif;
+        $sql .= " WHERE rowid = " . (int) $this->id;
+
+        dol_syslog(get_class($this) . "::update", LOG_DEBUG);
+        $resql = $this->db->query($sql);
+
+        if (!$resql) {
+            $this->error = $this->db->lasterror();
+            return -1;
+        }
+
+        return 1;
+    }
+
+    /**
+     * Delete object from database
+     *
+     * @param User $user User that deletes
+     * @return int <0 if KO, >0 if OK
+     */
+    public function delete($user)
+    {
+        $sql = "DELETE FROM " . MAIN_DB_PREFIX . $this->table_element;
+        $sql .= " WHERE rowid = " . (int) $this->id;
+
+        dol_syslog(get_class($this) . "::delete", LOG_DEBUG);
+        $resql = $this->db->query($sql);
+
+        if (!$resql) {
+            $this->error = $this->db->lasterror();
+            return -1;
+        }
+
+        return 1;
+    }
+
+    /**
+     * Delete all articles for a supplier
+     *
+     * @param User $user User that deletes
+     * @param int $fk_soc Supplier ID
+     * @return int <0 if KO, number of deleted rows if OK
+     */
+    public function deleteAllBySupplier($user, $fk_soc)
+    {
+        global $conf;
+
+        $sql = "DELETE FROM " . MAIN_DB_PREFIX . $this->table_element;
+        $sql .= " WHERE fk_soc = " . (int) $fk_soc;
+        $sql .= " AND entity = " . (int) $conf->entity;
+
+        dol_syslog(get_class($this) . "::deleteAllBySupplier", LOG_DEBUG);
+        $resql = $this->db->query($sql);
+
+        if (!$resql) {
+            $this->error = $this->db->lasterror();
+            return -1;
+        }
+
+        return $this->db->affected_rows($resql);
+    }
+
+    /**
+     * Search articles by article number (exact or partial)
+     *
+     * @param string $article_number Article number to search
+     * @param int $fk_soc Supplier ID (0 = all suppliers)
+     * @param bool $searchAll Search all suppliers if not found in specified
+     * @param int $limit Maximum results
+     * @return array Array of matching articles
+     */
+    public function searchByArticleNumber($article_number, $fk_soc = 0, $searchAll = false, $limit = 50)
+    {
+        global $conf;
+
+        $results = array();
+
+        // First try exact match with specified supplier
+        if ($fk_soc > 0) {
+            $result = $this->fetchByArticleNumber($fk_soc, $article_number);
+            if ($result > 0) {
+                $results[] = $this->toArray();
+                return $results;
+            }
+        }
+
+        // Search partial match
+        $sql = "SELECT rowid, fk_soc, article_number, short_text1, short_text2,";
+        $sql .= " ean, manufacturer_ref, manufacturer_name, unit_code,";
+        $sql .= " price, price_unit, discount_group, product_group, matchcode";
+        $sql .= " FROM " . MAIN_DB_PREFIX . $this->table_element;
+        $sql .= " WHERE (article_number LIKE '" . $this->db->escape($article_number) . "%'";
+        $sql .= " OR ean = '" . $this->db->escape($article_number) . "'";
+        $sql .= " OR manufacturer_ref LIKE '" . $this->db->escape($article_number) . "%')";
+
+        if ($fk_soc > 0 && !$searchAll) {
+            $sql .= " AND fk_soc = " . (int) $fk_soc;
+        } elseif ($fk_soc > 0 && $searchAll) {
+            // Order by matching supplier first
+            $sql .= " ORDER BY CASE WHEN fk_soc = " . (int) $fk_soc . " THEN 0 ELSE 1 END, article_number";
+        }
+
+        $sql .= " AND active = 1";
+        $sql .= " AND entity = " . (int) $conf->entity;
+
+        if ($fk_soc == 0 || !$searchAll) {
+            $sql .= " ORDER BY article_number";
+        }
+
+        $sql .= " LIMIT " . (int) $limit;
+
+        $resql = $this->db->query($sql);
+        if ($resql) {
+            while ($obj = $this->db->fetch_object($resql)) {
+                $results[] = array(
+                    'id' => $obj->rowid,
+                    'fk_soc' => $obj->fk_soc,
+                    'article_number' => $obj->article_number,
+                    'short_text1' => $obj->short_text1,
+                    'short_text2' => $obj->short_text2,
+                    'ean' => $obj->ean,
+                    'manufacturer_ref' => $obj->manufacturer_ref,
+                    'manufacturer_name' => $obj->manufacturer_name,
+                    'unit_code' => $obj->unit_code,
+                    'price' => $obj->price,
+                    'price_unit' => $obj->price_unit,
+                    'discount_group' => $obj->discount_group,
+                    'product_group' => $obj->product_group,
+                    'matchcode' => $obj->matchcode,
+                );
+            }
+            $this->db->free($resql);
+        }
+
+        return $results;
+    }
+
+    /**
+     * Convert object to array
+     *
+     * @return array Object as array
+     */
+    public function toArray()
+    {
+        return array(
+            'id' => $this->id,
+            'fk_soc' => $this->fk_soc,
+            'article_number' => $this->article_number,
+            'short_text1' => $this->short_text1,
+            'short_text2' => $this->short_text2,
+            'long_text' => $this->long_text,
+            'ean' => $this->ean,
+            'manufacturer_ref' => $this->manufacturer_ref,
+            'manufacturer_name' => $this->manufacturer_name,
+            'unit_code' => $this->unit_code,
+            'price' => $this->price,
+            'price_unit' => $this->price_unit,
+            'discount_group' => $this->discount_group,
+            'product_group' => $this->product_group,
+            'alt_unit' => $this->alt_unit,
+            'alt_unit_factor' => $this->alt_unit_factor,
+            'weight' => $this->weight,
+            'matchcode' => $this->matchcode,
+            'datanorm_version' => $this->datanorm_version,
+            'import_date' => $this->import_date,
+            'active' => $this->active,
+        );
+    }
+
+    /**
+     * Count articles for a supplier
+     *
+     * @param int $fk_soc Supplier ID
+     * @return int Count
+     */
+    public function countBySupplier($fk_soc)
+    {
+        global $conf;
+
+        $sql = "SELECT COUNT(*) as nb FROM " . MAIN_DB_PREFIX . $this->table_element;
+        $sql .= " WHERE fk_soc = " . (int) $fk_soc;
+        $sql .= " AND entity = " . (int) $conf->entity;
+
+        $resql = $this->db->query($sql);
+        if ($resql) {
+            $obj = $this->db->fetch_object($resql);
+            return (int) $obj->nb;
+        }
+
+        return 0;
+    }
+
+    /**
+     * Get all suppliers with Datanorm data
+     *
+     * @return array Array of suppliers with article counts
+     */
+    public function getSuppliersWithData()
+    {
+        global $conf;
+
+        $suppliers = array();
+
+        $sql = "SELECT d.fk_soc, s.nom as supplier_name, COUNT(*) as article_count,";
+        $sql .= " MAX(d.import_date) as last_import";
+        $sql .= " FROM " . MAIN_DB_PREFIX . $this->table_element . " as d";
+        $sql .= " LEFT JOIN " . MAIN_DB_PREFIX . "societe as s ON s.rowid = d.fk_soc";
+        $sql .= " WHERE d.entity = " . (int) $conf->entity;
+        $sql .= " GROUP BY d.fk_soc, s.nom";
+        $sql .= " ORDER BY s.nom";
+
+        $resql = $this->db->query($sql);
+        if ($resql) {
+            while ($obj = $this->db->fetch_object($resql)) {
+                $suppliers[] = array(
+                    'fk_soc' => $obj->fk_soc,
+                    'name' => $obj->supplier_name,
+                    'article_count' => $obj->article_count,
+                    'last_import' => $this->db->jdate($obj->last_import),
+                );
+            }
+            $this->db->free($resql);
+        }
+
+        return $suppliers;
+    }
+
+    /**
+     * Import articles from parser
+     *
+     * @param User $user User that imports
+     * @param int $fk_soc Supplier ID
+     * @param DatanormParser $parser Parser with parsed articles
+     * @param bool $deleteExisting Delete existing articles before import
+     * @return int Number of imported articles, <0 on error
+     */
+    public function importFromParser($user, $fk_soc, $parser, $deleteExisting = false)
+    {
+        $this->db->begin();
+
+        // Delete existing if requested
+        if ($deleteExisting) {
+            $result = $this->deleteAllBySupplier($user, $fk_soc);
+            if ($result < 0) {
+                $this->db->rollback();
+                return -1;
+            }
+        }
+
+        $count = 0;
+        $errors = 0;
+
+        foreach ($parser->getArticles() as $articleData) {
+            $article = new Datanorm($this->db);
+            $article->fk_soc = $fk_soc;
+            $article->article_number = $articleData['article_number'];
+            $article->short_text1 = $articleData['short_text1'] ?? '';
+            $article->short_text2 = $articleData['short_text2'] ?? '';
+            $article->long_text = $articleData['long_text'] ?? '';
+            $article->ean = $articleData['ean'] ?? '';
+            $article->manufacturer_ref = $articleData['manufacturer_ref'] ?? '';
+            $article->manufacturer_name = $articleData['manufacturer_name'] ?? '';
+            $article->unit_code = $articleData['unit_code'] ?? '';
+            $article->price = $articleData['price'] ?? 0;
+            $article->price_unit = $articleData['price_unit'] ?? 1;
+            $article->discount_group = $articleData['discount_group'] ?? '';
+            $article->product_group = $articleData['product_group'] ?? '';
+            $article->matchcode = $articleData['matchcode'] ?? '';
+            $article->datanorm_version = $parser->version;
+
+            $result = $article->createOrUpdate($user);
+            if ($result > 0) {
+                $count++;
+            } else {
+                $errors++;
+                $this->errors[] = 'Error importing ' . $articleData['article_number'] . ': ' . $article->error;
+            }
+        }
+
+        if ($errors > 0 && $count == 0) {
+            $this->db->rollback();
+            $this->error = 'All imports failed';
+            return -1;
+        }
+
+        $this->db->commit();
+        return $count;
+    }
+
+    /**
+     * Import articles from directory using streaming (for large files)
+     * Uses batch inserts to minimize memory usage
+     *
+     * @param User $user User that imports
+     * @param int $fk_soc Supplier ID
+     * @param string $directory Directory with Datanorm files
+     * @param bool $deleteExisting Delete existing articles before import
+     * @return int Number of imported articles, <0 on error
+     */
+    public function importFromDirectoryStreaming($user, $fk_soc, $directory, $deleteExisting = false)
+    {
+        global $conf;
+
+        require_once __DIR__ . '/datanormparser.class.php';
+
+        // Delete existing if requested
+        if ($deleteExisting) {
+            $result = $this->deleteAllBySupplier($user, $fk_soc);
+            if ($result < 0) {
+                return -1;
+            }
+        }
+
+        $db = $this->db;
+        $importCount = 0;
+        $version = '';
+
+        // Create batch callback that inserts articles directly to database
+        $batchCallback = function ($articles) use ($db, $user, $fk_soc, &$importCount, &$version, $conf) {
+            if (empty($articles)) {
+                return;
+            }
+
+            // Use multi-row INSERT for better performance
+            $values = array();
+            $now = $db->idate(dol_now());
+
+            foreach ($articles as $articleData) {
+                $values[] = sprintf(
+                    "(%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %f, %d, '%s', '%s', '%s', '%s', '%s', %d, '%s', %d)",
+                    (int) $fk_soc,
+                    $db->escape($articleData['article_number'] ?? ''),
+                    $db->escape($articleData['short_text1'] ?? ''),
+                    $db->escape($articleData['short_text2'] ?? ''),
+                    $db->escape($articleData['long_text'] ?? ''),
+                    $db->escape($articleData['ean'] ?? ''),
+                    $db->escape($articleData['manufacturer_ref'] ?? ''),
+                    $db->escape($articleData['manufacturer_name'] ?? ''),
+                    $db->escape($articleData['unit_code'] ?? ''),
+                    (float) ($articleData['price'] ?? 0),
+                    (int) ($articleData['price_unit'] ?? 1),
+                    $db->escape($articleData['discount_group'] ?? ''),
+                    $db->escape($articleData['product_group'] ?? ''),
+                    $db->escape($articleData['matchcode'] ?? ''),
+                    $db->escape($version),
+                    $now,
+                    (int) $user->id,
+                    $now,
+                    (int) $conf->entity
+                );
+            }
+
+            if (!empty($values)) {
+                // Use INSERT IGNORE to skip duplicates (for the same supplier + article_number)
+                $sql = "INSERT INTO " . MAIN_DB_PREFIX . "importzugferd_datanorm ";
+                $sql .= "(fk_soc, article_number, short_text1, short_text2, long_text, ";
+                $sql .= "ean, manufacturer_ref, manufacturer_name, unit_code, ";
+                $sql .= "price, price_unit, discount_group, product_group, matchcode, ";
+                $sql .= "datanorm_version, import_date, fk_user_creat, date_creation, entity) VALUES ";
+                $sql .= implode(", ", $values);
+
+                // For updates of existing articles, use ON DUPLICATE KEY UPDATE
+                $sql .= " ON DUPLICATE KEY UPDATE ";
+                $sql .= "short_text1 = VALUES(short_text1), ";
+                $sql .= "short_text2 = VALUES(short_text2), ";
+                $sql .= "long_text = VALUES(long_text), ";
+                $sql .= "ean = VALUES(ean), ";
+                $sql .= "manufacturer_ref = VALUES(manufacturer_ref), ";
+                $sql .= "manufacturer_name = VALUES(manufacturer_name), ";
+                $sql .= "unit_code = VALUES(unit_code), ";
+                $sql .= "price = VALUES(price), ";
+                $sql .= "price_unit = VALUES(price_unit), ";
+                $sql .= "discount_group = VALUES(discount_group), ";
+                $sql .= "product_group = VALUES(product_group), ";
+                $sql .= "matchcode = VALUES(matchcode), ";
+                $sql .= "datanorm_version = VALUES(datanorm_version), ";
+                $sql .= "import_date = VALUES(import_date), ";
+                $sql .= "fk_user_modif = " . (int) $user->id;
+
+                $resql = $db->query($sql);
+                if ($resql) {
+                    $importCount += count($values);
+                }
+            }
+        };
+
+        // Parse with streaming enabled
+        // The parser now loads prices first, then articles
+        $parser = new DatanormParser();
+        $parser->enableStreaming($batchCallback, 500);
+
+        // Parse directory - prices are loaded first, then articles with streaming
+        $count = $parser->parseDirectory($directory);
+        $version = $parser->version;
+
+        if ($count < 0) {
+            $this->error = $parser->error;
+            return -1;
+        }
+
+        // Second pass: Update prices from DATPREIS files
+        $priceFiles = glob($directory . '/DATPREIS.*');
+        if (!empty($priceFiles)) {
+            foreach ($priceFiles as $file) {
+                $ext = strtoupper(pathinfo($file, PATHINFO_EXTENSION));
+                if (preg_match('/^\d{3}$/', $ext)) {
+                    $this->updatePricesFromFile($fk_soc, $file);
+                }
+            }
+        }
+
+        return $importCount;
+    }
+
+    /**
+     * Update prices from DATPREIS file (streaming)
+     * Processes file line by line and updates database directly
+     *
+     * @param int $fk_soc Supplier ID
+     * @param string $file Path to DATPREIS file
+     * @return int Number of prices updated
+     */
+    protected function updatePricesFromFile($fk_soc, $file)
+    {
+        global $conf;
+
+        $handle = fopen($file, 'r');
+        if ($handle === false) {
+            return 0;
+        }
+
+        $updated = 0;
+        $batch = array();
+        $batchSize = 500;
+
+        while (($line = fgets($handle)) !== false) {
+            $line = rtrim($line, "\r\n");
+
+            // Convert encoding if needed
+            if (!mb_check_encoding($line, 'UTF-8')) {
+                $line = mb_convert_encoding($line, 'UTF-8', 'ISO-8859-1');
+            }
+
+            if (strlen($line) < 10 || strpos($line, ';') === false) {
+                continue;
+            }
+
+            $parts = explode(';', $line);
+            $recordType = trim($parts[0] ?? '');
+
+            // P;A format - multiple articles per line
+            if ($recordType === 'P' && isset($parts[1]) && $parts[1] === 'A') {
+                $i = 2;
+                while ($i < count($parts) - 2) {
+                    $articleNumber = trim($parts[$i] ?? '');
+                    $priceRaw = trim($parts[$i + 2] ?? '0');
+                    $price = (float)$priceRaw / 100; // Convert cents to euros
+
+                    if (!empty($articleNumber) && $price > 0) {
+                        $batch[$articleNumber] = $price;
+                    }
+
+                    $i += 9; // 9 fields per article
+                }
+            } elseif ($recordType === 'P' || $recordType === '0') {
+                $articleNumber = trim($parts[1] ?? '');
+                $priceRaw = trim($parts[3] ?? '0');
+
+                if (strpos($priceRaw, ',') === false && strpos($priceRaw, '.') === false) {
+                    $price = (float)$priceRaw / 100;
+                } else {
+                    $priceRaw = str_replace(',', '.', $priceRaw);
+                    $price = (float)$priceRaw;
+                }
+
+                if (!empty($articleNumber) && $price > 0) {
+                    $batch[$articleNumber] = $price;
+                }
+            }
+
+            // Flush batch when it reaches the limit
+            if (count($batch) >= $batchSize) {
+                $updated += $this->flushPriceBatch($fk_soc, $batch);
+                $batch = array();
+            }
+        }
+
+        // Flush remaining
+        if (!empty($batch)) {
+            $updated += $this->flushPriceBatch($fk_soc, $batch);
+        }
+
+        fclose($handle);
+        return $updated;
+    }
+
+    /**
+     * Flush price batch to database
+     *
+     * @param int $fk_soc Supplier ID
+     * @param array $prices Array of article_number => price
+     * @return int Number of rows updated
+     */
+    protected function flushPriceBatch($fk_soc, $prices)
+    {
+        global $conf;
+
+        if (empty($prices)) {
+            return 0;
+        }
+
+        $updated = 0;
+
+        // Build CASE statement for batch update
+        $cases = array();
+        $articleNumbers = array();
+
+        foreach ($prices as $artNum => $price) {
+            $cases[] = "WHEN '" . $this->db->escape($artNum) . "' THEN " . (float)$price;
+            $articleNumbers[] = "'" . $this->db->escape($artNum) . "'";
+        }
+
+        if (!empty($cases)) {
+            $sql = "UPDATE " . MAIN_DB_PREFIX . "importzugferd_datanorm SET ";
+            $sql .= "price = CASE article_number ";
+            $sql .= implode(" ", $cases);
+            $sql .= " END ";
+            $sql .= "WHERE fk_soc = " . (int)$fk_soc;
+            $sql .= " AND entity = " . (int)$conf->entity;
+            $sql .= " AND article_number IN (" . implode(",", $articleNumbers) . ")";
+
+            $resql = $this->db->query($sql);
+            if ($resql) {
+                $updated = $this->db->affected_rows($resql);
+            }
+        }
+
+        return $updated;
+    }
+
+    /**
+     * Get full description for product creation
+     *
+     * @return string Full description
+     */
+    public function getFullDescription()
+    {
+        $desc = '';
+
+        if (!empty($this->short_text1)) {
+            $desc .= $this->short_text1;
+        }
+        if (!empty($this->short_text2)) {
+            $desc .= ($desc ? "\n" : '') . $this->short_text2;
+        }
+        if (!empty($this->long_text)) {
+            $desc .= ($desc ? "\n\n" : '') . $this->long_text;
+        }
+
+        // Add metadata
+        $meta = array();
+        if (!empty($this->manufacturer_name)) {
+            $meta[] = 'Hersteller: ' . $this->manufacturer_name;
+        }
+        if (!empty($this->manufacturer_ref)) {
+            $meta[] = 'Hersteller-Nr: ' . $this->manufacturer_ref;
+        }
+        if (!empty($this->ean)) {
+            $meta[] = 'EAN: ' . $this->ean;
+        }
+        if (!empty($this->product_group)) {
+            $meta[] = 'Warengruppe: ' . $this->product_group;
+        }
+
+        if (!empty($meta)) {
+            $desc .= ($desc ? "\n\n" : '') . implode("\n", $meta);
+        }
+
+        return $desc;
+    }
+
+    /**
+     * Calculate selling price with markup
+     *
+     * @param float $markupPercent Markup percentage
+     * @return float Selling price
+     */
+    public function getSellingPrice($markupPercent = 0)
+    {
+        $basePrice = $this->price;
+
+        // Adjust for price unit
+        if ($this->price_unit > 1) {
+            $basePrice = $basePrice / $this->price_unit;
+        }
+
+        if ($markupPercent > 0) {
+            return $basePrice * (1 + $markupPercent / 100);
+        }
+
+        return $basePrice;
+    }
+}

class/datanormparser.class.php

@@ -0,0 +1,909 @@
+<?php
+/* Copyright (C) 2026  Eduard Wisch  <data@data-it-solution.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+/**
+ * \file    class/datanormparser.class.php
+ * \ingroup importzugferd
+ * \brief   Parser for Datanorm 4.0 and 5.0 catalog files
+ */
+
+/**
+ * Class DatanormParser
+ * Parses Datanorm catalog files (Version 4.0 and 5.0)
+ */
+class DatanormParser
+{
+    /**
+     * @var string Detected Datanorm version
+     */
+    public $version = '';
+
+    /**
+     * @var array Parsed articles (only used for small imports)
+     */
+    public $articles = array();
+
+    /**
+     * @var array Parsed price information
+     */
+    public $prices = array();
+
+    /**
+     * @var array Product groups/categories
+     */
+    public $groups = array();
+
+    /**
+     * @var string Error message
+     */
+    public $error = '';
+
+    /**
+     * @var array Error messages
+     */
+    public $errors = array();
+
+    /**
+     * @var callable Callback for batch processing articles
+     */
+    protected $batchCallback = null;
+
+    /**
+     * @var int Batch size for database inserts
+     */
+    protected $batchSize = 1000;
+
+    /**
+     * @var array Current batch of articles
+     */
+    protected $batchArticles = array();
+
+    /**
+     * @var bool Whether to use streaming mode (for large files)
+     */
+    protected $streamingMode = false;
+
+    /**
+     * Enable streaming mode for large files
+     * In streaming mode, articles are processed in batches via callback
+     *
+     * @param callable $callback Function to call with batch of articles
+     * @param int $batchSize Number of articles per batch
+     */
+    public function enableStreaming($callback, $batchSize = 1000)
+    {
+        $this->streamingMode = true;
+        $this->batchCallback = $callback;
+        $this->batchSize = $batchSize;
+        $this->batchArticles = array();
+    }
+
+    /**
+     * Disable streaming mode
+     */
+    public function disableStreaming()
+    {
+        $this->streamingMode = false;
+        $this->batchCallback = null;
+        $this->batchArticles = array();
+    }
+
+    /**
+     * Add article to batch (streaming mode) or to articles array
+     *
+     * @param array $article Article data
+     */
+    protected function addArticle($article)
+    {
+        if ($this->streamingMode && $this->batchCallback) {
+            $this->batchArticles[$article['article_number']] = $article;
+
+            if (count($this->batchArticles) >= $this->batchSize) {
+                $this->flushBatch();
+            }
+        } else {
+            $this->articles[$article['article_number']] = $article;
+        }
+    }
+
+    /**
+     * Flush current batch to callback
+     */
+    protected function flushBatch()
+    {
+        if (!empty($this->batchArticles) && $this->batchCallback) {
+            // Merge prices into batch articles before flushing
+            foreach ($this->batchArticles as $artNum => &$article) {
+                if (isset($this->prices[$artNum])) {
+                    $article['price'] = $this->prices[$artNum]['price'];
+                    unset($this->prices[$artNum]); // Free memory
+                }
+            }
+            unset($article);
+
+            call_user_func($this->batchCallback, $this->batchArticles);
+            $this->batchArticles = array();
+        }
+    }
+
+    /**
+     * Parse a Datanorm file or directory
+     *
+     * @param string $path Path to file or directory
+     * @return int Number of articles parsed, -1 on error
+     */
+    public function parse($path)
+    {
+        if (is_dir($path)) {
+            return $this->parseDirectory($path);
+        } else {
+            return $this->parseFile($path);
+        }
+    }
+
+    /**
+     * Parse all Datanorm files in a directory
+     *
+     * @param string $dir Directory path
+     * @return int Number of articles parsed, -1 on error
+     */
+    public function parseDirectory($dir)
+    {
+        $totalArticles = 0;
+
+        // For non-streaming mode, load prices first
+        // For streaming mode with very large files, prices must be handled separately
+        if (!$this->streamingMode) {
+            $priceFiles = glob($dir . '/DATPREIS.*');
+            if (!empty($priceFiles)) {
+                $this->version = '4.0';
+                foreach ($priceFiles as $file) {
+                    $ext = strtoupper(pathinfo($file, PATHINFO_EXTENSION));
+                    if (preg_match('/^\d{3}$/', $ext)) {
+                        $this->parseDatapreis4File($file);
+                    }
+                }
+            }
+        }
+
+        // Look for Datanorm 4.0 files (DATANORM.xxx)
+        $files = glob($dir . '/DATANORM.*');
+        if (!empty($files)) {
+            $this->version = '4.0';
+            foreach ($files as $file) {
+                $ext = strtoupper(pathinfo($file, PATHINFO_EXTENSION));
+                if (preg_match('/^\d{3}$/', $ext)) {
+                    // Main article file (DATANORM.001, etc.)
+                    $count = $this->parseDatanorm4File($file);
+                    if ($count > 0) {
+                        $totalArticles += $count;
+                    }
+                } elseif ($ext === 'WRG') {
+                    // Product groups file
+                    $this->parseDatanorm4Groups($file);
+                } elseif ($ext === 'RAB') {
+                    // Discount groups file
+                    $this->parseDatanorm4Discounts($file);
+                }
+            }
+        }
+
+        // Merge prices into articles (non-streaming mode only)
+        // In streaming mode, prices are merged in flushBatch()
+        if (!$this->streamingMode && !empty($this->prices)) {
+            $this->mergePricesIntoArticles();
+        }
+
+        // Look for Datanorm 5.0 files (*.xml)
+        $xmlFiles = glob($dir . '/*.xml');
+        foreach ($xmlFiles as $file) {
+            if ($this->isDatanorm5File($file)) {
+                $this->version = '5.0';
+                $count = $this->parseDatanorm5File($file);
+                if ($count > 0) {
+                    $totalArticles += $count;
+                }
+            }
+        }
+
+        return $totalArticles;
+    }
+
+    /**
+     * Parse a single file (auto-detect format)
+     *
+     * @param string $file File path
+     * @return int Number of articles parsed, -1 on error
+     */
+    public function parseFile($file)
+    {
+        if (!file_exists($file)) {
+            $this->error = 'File not found: ' . $file;
+            return -1;
+        }
+
+        // Check if XML (Datanorm 5.0)
+        $content = file_get_contents($file, false, null, 0, 1000);
+        if (strpos($content, '<?xml') !== false || strpos($content, '<DATANORM') !== false) {
+            $this->version = '5.0';
+            return $this->parseDatanorm5File($file);
+        }
+
+        // Assume Datanorm 4.0
+        $this->version = '4.0';
+        return $this->parseDatanorm4File($file);
+    }
+
+    /**
+     * Parse Datanorm 4.0 file (fixed-width format)
+     * Uses streaming to handle large files
+     *
+     * @param string $file File path
+     * @return int Number of articles parsed
+     */
+    protected function parseDatanorm4File($file)
+    {
+        $handle = fopen($file, 'r');
+        if ($handle === false) {
+            $this->error = 'Cannot read file: ' . $file;
+            return -1;
+        }
+
+        $count = 0;
+        $currentArticle = null;
+
+        while (($line = fgets($handle)) !== false) {
+            $line = rtrim($line, "\r\n");
+
+            // Convert encoding if needed (Datanorm 4 often uses ISO-8859-1 or CP850)
+            if (!mb_check_encoding($line, 'UTF-8')) {
+                $line = mb_convert_encoding($line, 'UTF-8', 'ISO-8859-1');
+            }
+
+            if (strlen($line) < 2) {
+                continue;
+            }
+
+            $recordType = substr($line, 0, 1);
+
+            switch ($recordType) {
+                case 'A':
+                    // Article master record
+                    $article = $this->parseDatanorm4TypeA($line);
+                    if ($article) {
+                        $this->addArticle($article);
+                        $currentArticle = $article['article_number'];
+                        $count++;
+                    }
+                    break;
+
+                case 'B':
+                    // Article info/long text
+                    if ($currentArticle) {
+                        $this->parseDatanorm4TypeB($line, $currentArticle);
+                    }
+                    break;
+
+                case 'P':
+                    // Price record
+                    $this->parseDatanorm4TypeP($line);
+                    break;
+            }
+        }
+
+        fclose($handle);
+
+        // Flush any remaining batch in streaming mode
+        if ($this->streamingMode) {
+            $this->flushBatch();
+        } else {
+            // Merge prices into articles (only in non-streaming mode)
+            $this->mergePricesIntoArticles();
+        }
+
+        return $count;
+    }
+
+    /**
+     * Parse Datanorm 4.0 Type A record (Article master)
+     * Field positions based on Datanorm 4.0 specification
+     *
+     * @param string $line Record line
+     * @return array|null Article data
+     */
+    protected function parseDatanorm4TypeA($line)
+    {
+        // Minimum length check
+        if (strlen($line) < 50) {
+            return null;
+        }
+
+        // Datanorm 4.0 Type A field layout (semicolon-separated in newer versions)
+        if (strpos($line, ';') !== false) {
+            return $this->parseDatanorm4TypeASemicolon($line);
+        }
+
+        // Fixed-width format (classic)
+        $article = array(
+            'article_number' => trim(substr($line, 1, 15)),      // Pos 2-16: Artikelnummer
+            'matchcode' => trim(substr($line, 16, 12)),          // Pos 17-28: Matchcode
+            'short_text1' => trim(substr($line, 28, 40)),        // Pos 29-68: Kurztext 1
+            'short_text2' => trim(substr($line, 68, 40)),        // Pos 69-108: Kurztext 2
+            'unit_code' => trim(substr($line, 108, 3)),          // Pos 109-111: Mengeneinheit
+            'price_unit' => (int)trim(substr($line, 111, 5)),    // Pos 112-116: Preiseinheit
+            'discount_group' => trim(substr($line, 116, 4)),     // Pos 117-120: Rabattgruppe
+            'product_group' => trim(substr($line, 120, 7)),      // Pos 121-127: Warengruppe
+            'manufacturer_ref' => trim(substr($line, 127, 15)),  // Pos 128-142: Hersteller-Artikelnummer
+            'manufacturer_name' => trim(substr($line, 142, 20)), // Pos 143-162: Herstellername
+            'ean' => '',
+            'long_text' => '',
+            'price' => 0,
+        );
+
+        // EAN if available (extended format)
+        if (strlen($line) >= 175) {
+            $article['ean'] = trim(substr($line, 162, 13));
+        }
+
+        if (empty($article['article_number'])) {
+            return null;
+        }
+
+        // Default price unit to 1 if not set
+        if ($article['price_unit'] <= 0) {
+            $article['price_unit'] = 1;
+        }
+
+        return $article;
+    }
+
+    /**
+     * Parse Datanorm 4.0 Type A record (semicolon-separated format)
+     *
+     * @param string $line Record line
+     * @return array|null Article data
+     */
+    protected function parseDatanorm4TypeASemicolon($line)
+    {
+        $parts = explode(';', $line);
+
+        if (count($parts) < 6) {
+            return null;
+        }
+
+        // Detect format variant
+        // Sonepar format: A;N;ArtNr;WG;Kurztext1;Kurztext2;PE;ME;METext;RabGrp;PreisGrp;WG2;...
+        // Standard format: A;ArtNr;Matchcode;Kurztext1;Kurztext2;ME;PE;RabGrp;WG;...
+
+        $firstField = trim($parts[0] ?? '');
+
+        if ($firstField === 'A' && isset($parts[1]) && strlen(trim($parts[1])) <= 2) {
+            // Sonepar format: A;N;ArtNr;WG;Kurztext1;Kurztext2;PE;ME;METext;RabGrp;PreisGrp;WG2;...
+            $article = array(
+                'article_number' => trim($parts[2] ?? ''),
+                'matchcode' => '',  // Will be set from B record
+                'short_text1' => trim($parts[4] ?? ''),
+                'short_text2' => trim($parts[5] ?? ''),
+                'unit_code' => trim($parts[8] ?? trim($parts[7] ?? '')), // METext or ME
+                'price_unit' => (int)trim($parts[6] ?? '1'), // PE
+                'discount_group' => trim($parts[9] ?? ''),
+                'product_group' => trim($parts[3] ?? ''), // WG at position 3
+                'manufacturer_ref' => '',
+                'manufacturer_name' => '',
+                'ean' => '',
+                'long_text' => '',
+                'price' => 0,
+            );
+        } else {
+            // Standard format
+            $article = array(
+                'article_number' => trim($parts[1] ?? ''),
+                'matchcode' => trim($parts[2] ?? ''),
+                'short_text1' => trim($parts[3] ?? ''),
+                'short_text2' => trim($parts[4] ?? ''),
+                'unit_code' => trim($parts[5] ?? ''),
+                'price_unit' => (int)trim($parts[6] ?? '1'),
+                'discount_group' => trim($parts[7] ?? ''),
+                'product_group' => trim($parts[8] ?? ''),
+                'manufacturer_ref' => trim($parts[14] ?? ''),
+                'manufacturer_name' => trim($parts[15] ?? ''),
+                'ean' => trim($parts[16] ?? ''),
+                'long_text' => '',
+                'price' => 0,
+            );
+        }
+
+        if (empty($article['article_number'])) {
+            return null;
+        }
+
+        if ($article['price_unit'] <= 0) {
+            $article['price_unit'] = 1;
+        }
+
+        return $article;
+    }
+
+    /**
+     * Get article reference for modification (handles both streaming and non-streaming mode)
+     *
+     * @param string $articleNumber Article number
+     * @return array|null Reference to article or null
+     */
+    protected function &getArticleRef($articleNumber)
+    {
+        $null = null;
+        if ($this->streamingMode) {
+            if (isset($this->batchArticles[$articleNumber])) {
+                return $this->batchArticles[$articleNumber];
+            }
+        } else {
+            if (isset($this->articles[$articleNumber])) {
+                return $this->articles[$articleNumber];
+            }
+        }
+        return $null;
+    }
+
+    /**
+     * Parse Datanorm 4.0 Type B record (Article info/long text)
+     *
+     * @param string $line Record line
+     * @param string $articleNumber Current article number
+     */
+    protected function parseDatanorm4TypeB($line, $articleNumber)
+    {
+        $article = &$this->getArticleRef($articleNumber);
+        if ($article === null) {
+            return;
+        }
+
+        if (strpos($line, ';') !== false) {
+            $parts = explode(';', $line);
+
+            // Sonepar format: B;N;ArtNr;Matchcode;...
+            if (isset($parts[1]) && strlen(trim($parts[1])) <= 2) {
+                // Get article number from B record to verify
+                $bArticleNumber = trim($parts[2] ?? '');
+                if ($bArticleNumber === $articleNumber) {
+                    // Matchcode is at position 3
+                    $matchcode = trim($parts[3] ?? '');
+                    if (!empty($matchcode) && empty($article['matchcode'])) {
+                        $article['matchcode'] = $matchcode;
+                    }
+                }
+            } else {
+                // Standard format: text at position 2
+                $text = trim($parts[2] ?? '');
+                if (!empty($text)) {
+                    if (!empty($article['long_text'])) {
+                        $article['long_text'] .= "\n";
+                    }
+                    $article['long_text'] .= $text;
+                }
+            }
+        } else {
+            $text = trim(substr($line, 16));
+            if (!empty($text)) {
+                if (!empty($article['long_text'])) {
+                    $article['long_text'] .= "\n";
+                }
+                $article['long_text'] .= $text;
+            }
+        }
+    }
+
+    /**
+     * Parse Datanorm 4.0 Type P record (Price)
+     *
+     * @param string $line Record line
+     */
+    protected function parseDatanorm4TypeP($line)
+    {
+        if (strpos($line, ';') !== false) {
+            $parts = explode(';', $line);
+            $articleNumber = trim($parts[1] ?? '');
+            $priceType = trim($parts[2] ?? '');
+            $price = $this->parsePrice(trim($parts[3] ?? '0'));
+        } else {
+            $articleNumber = trim(substr($line, 1, 15));
+            $priceType = trim(substr($line, 16, 1));
+            $price = $this->parsePrice(trim(substr($line, 17, 12)));
+        }
+
+        if (!empty($articleNumber) && $price > 0) {
+            $this->prices[$articleNumber] = array(
+                'price' => $price,
+                'price_type' => $priceType,
+            );
+        }
+    }
+
+    /**
+     * Parse Datanorm 4.0 product groups file (DATANORM.WRG)
+     *
+     * @param string $file File path
+     */
+    protected function parseDatanorm4Groups($file)
+    {
+        $content = file_get_contents($file);
+        if ($content === false) {
+            return;
+        }
+
+        if (!mb_check_encoding($content, 'UTF-8')) {
+            $content = mb_convert_encoding($content, 'UTF-8', 'ISO-8859-1');
+        }
+
+        $lines = explode("\n", $content);
+        foreach ($lines as $line) {
+            $line = rtrim($line, "\r\n");
+            if (strlen($line) < 10) {
+                continue;
+            }
+
+            if (strpos($line, ';') !== false) {
+                $parts = explode(';', $line);
+                $code = trim($parts[0] ?? '');
+                $name = trim($parts[1] ?? '');
+            } else {
+                $code = trim(substr($line, 0, 7));
+                $name = trim(substr($line, 7));
+            }
+
+            if (!empty($code)) {
+                $this->groups[$code] = $name;
+            }
+        }
+    }
+
+    /**
+     * Parse Datanorm 4.0 discount groups file (DATANORM.RAB)
+     *
+     * @param string $file File path
+     */
+    protected function parseDatanorm4Discounts($file)
+    {
+        // Discount parsing - can be extended if needed
+    }
+
+    /**
+     * Parse DATPREIS.xxx price file
+     * Uses streaming to handle large files
+     *
+     * @param string $file File path
+     */
+    protected function parseDatapreis4File($file)
+    {
+        $handle = fopen($file, 'r');
+        if ($handle === false) {
+            return;
+        }
+
+        while (($line = fgets($handle)) !== false) {
+            $line = rtrim($line, "\r\n");
+
+            // Convert encoding if needed
+            if (!mb_check_encoding($line, 'UTF-8')) {
+                $line = mb_convert_encoding($line, 'UTF-8', 'ISO-8859-1');
+            }
+
+            if (strlen($line) < 10) {
+                continue;
+            }
+
+            // DATPREIS format - semicolon separated
+            if (strpos($line, ';') !== false) {
+                $parts = explode(';', $line);
+                $recordType = trim($parts[0] ?? '');
+
+                // P;A format - multiple articles per line
+                // Format: P;A;ArtNr;PreisKz;Preis;PE;x;x;x;x;ArtNr2;PreisKz2;Preis2;...
+                if ($recordType === 'P' && isset($parts[1]) && $parts[1] === 'A') {
+                    // Parse multiple price entries per line
+                    // Each entry is: ArtNr;PreisKz;Preis;PE;0;1;0;1;0
+                    $i = 2; // Start after P;A
+                    while ($i < count($parts) - 2) {
+                        $articleNumber = trim($parts[$i] ?? '');
+                        $priceType = trim($parts[$i + 1] ?? '');
+                        $priceRaw = trim($parts[$i + 2] ?? '0');
+
+                        // Price is in cents, convert to euros
+                        $price = (float)$priceRaw / 100;
+
+                        if (!empty($articleNumber) && $price > 0) {
+                            $this->prices[$articleNumber] = array(
+                                'price' => $price,
+                                'price_type' => $priceType,
+                            );
+                        }
+
+                        // Move to next article (9 fields per article: ArtNr;Kz;Preis;PE;0;1;0;1;0)
+                        $i += 9;
+                    }
+                } elseif ($recordType === 'P' || $recordType === '0') {
+                    // Simple format: P;ArtNr;PreisKz;Preis
+                    $articleNumber = trim($parts[1] ?? '');
+                    $priceType = trim($parts[2] ?? '');
+                    $priceRaw = trim($parts[3] ?? '0');
+
+                    // Check if price is in cents (no decimal point)
+                    if (strpos($priceRaw, ',') === false && strpos($priceRaw, '.') === false) {
+                        $price = (float)$priceRaw / 100;
+                    } else {
+                        $price = $this->parsePrice($priceRaw);
+                    }
+
+                    if (!empty($articleNumber) && $price > 0) {
+                        $this->prices[$articleNumber] = array(
+                            'price' => $price,
+                            'price_type' => $priceType,
+                        );
+                    }
+                }
+            } else {
+                // Fixed width format
+                $recordType = substr($line, 0, 1);
+
+                if ($recordType === 'P' || $recordType === '0') {
+                    $articleNumber = trim(substr($line, 1, 15));
+                    $priceType = trim(substr($line, 16, 1));
+                    $priceRaw = trim(substr($line, 17, 12));
+
+                    // Check if price is in cents
+                    if (strpos($priceRaw, ',') === false && strpos($priceRaw, '.') === false) {
+                        $price = (float)$priceRaw / 100;
+                    } else {
+                        $price = $this->parsePrice($priceRaw);
+                    }
+
+                    if (!empty($articleNumber) && $price > 0) {
+                        $this->prices[$articleNumber] = array(
+                            'price' => $price,
+                            'price_type' => $priceType,
+                        );
+                    }
+                }
+            }
+        }
+
+        fclose($handle);
+    }
+
+    /**
+     * Merge prices into articles
+     */
+    protected function mergePricesIntoArticles()
+    {
+        foreach ($this->prices as $articleNumber => $priceData) {
+            if (isset($this->articles[$articleNumber])) {
+                $this->articles[$articleNumber]['price'] = $priceData['price'];
+            }
+        }
+    }
+
+    /**
+     * Check if file is Datanorm 5.0 format
+     *
+     * @param string $file File path
+     * @return bool
+     */
+    protected function isDatanorm5File($file)
+    {
+        $content = file_get_contents($file, false, null, 0, 2000);
+        return (strpos($content, '<DATANORM') !== false || strpos($content, '<datanorm') !== false);
+    }
+
+    /**
+     * Parse Datanorm 5.0 file (XML format)
+     *
+     * @param string $file File path
+     * @return int Number of articles parsed
+     */
+    protected function parseDatanorm5File($file)
+    {
+        libxml_use_internal_errors(true);
+        $xml = simplexml_load_file($file);
+
+        if ($xml === false) {
+            $errors = libxml_get_errors();
+            $this->error = 'XML parse error: ' . ($errors[0]->message ?? 'Unknown error');
+            libxml_clear_errors();
+            return -1;
+        }
+
+        $count = 0;
+
+        // Register namespaces if present
+        $namespaces = $xml->getNamespaces(true);
+
+        // Find article nodes (various possible node names)
+        $articleNodes = $xml->xpath('//Artikel') ?: $xml->xpath('//Article') ?: $xml->xpath('//article') ?: array();
+
+        foreach ($articleNodes as $node) {
+            $article = $this->parseDatanorm5Article($node);
+            if ($article) {
+                $this->articles[$article['article_number']] = $article;
+                $count++;
+            }
+        }
+
+        return $count;
+    }
+
+    /**
+     * Parse Datanorm 5.0 article node
+     *
+     * @param SimpleXMLElement $node Article XML node
+     * @return array|null Article data
+     */
+    protected function parseDatanorm5Article($node)
+    {
+        $article = array(
+            'article_number' => $this->getXmlValue($node, array('Artikelnummer', 'ArticleNumber', 'ArtNr', 'artNr')),
+            'matchcode' => $this->getXmlValue($node, array('Matchcode', 'matchcode')),
+            'short_text1' => $this->getXmlValue($node, array('Kurztext1', 'Kurztext', 'ShortText1', 'ShortText', 'Bezeichnung', 'Name')),
+            'short_text2' => $this->getXmlValue($node, array('Kurztext2', 'ShortText2')),
+            'long_text' => $this->getXmlValue($node, array('Langtext', 'LongText', 'Beschreibung', 'Description')),
+            'unit_code' => $this->getXmlValue($node, array('Mengeneinheit', 'Unit', 'ME')),
+            'price_unit' => (int)$this->getXmlValue($node, array('Preiseinheit', 'PriceUnit', 'PE')) ?: 1,
+            'price' => $this->parsePrice($this->getXmlValue($node, array('Preis', 'Price', 'Listenpreis', 'ListPrice'))),
+            'discount_group' => $this->getXmlValue($node, array('Rabattgruppe', 'DiscountGroup', 'RG')),
+            'product_group' => $this->getXmlValue($node, array('Warengruppe', 'ProductGroup', 'WG')),
+            'manufacturer_ref' => $this->getXmlValue($node, array('HerstellerArtNr', 'ManufacturerArticleNumber')),
+            'manufacturer_name' => $this->getXmlValue($node, array('Hersteller', 'Manufacturer')),
+            'ean' => $this->getXmlValue($node, array('EAN', 'GTIN', 'Barcode')),
+        );
+
+        if (empty($article['article_number'])) {
+            return null;
+        }
+
+        return $article;
+    }
+
+    /**
+     * Get value from XML node trying multiple possible element names
+     *
+     * @param SimpleXMLElement $node XML node
+     * @param array $names Possible element names
+     * @return string Value or empty string
+     */
+    protected function getXmlValue($node, $names)
+    {
+        foreach ($names as $name) {
+            // Try as child element
+            if (isset($node->$name)) {
+                return trim((string)$node->$name);
+            }
+            // Try as attribute
+            if (isset($node[$name])) {
+                return trim((string)$node[$name]);
+            }
+        }
+        return '';
+    }
+
+    /**
+     * Parse price string to float
+     *
+     * @param string $priceStr Price string
+     * @return float Price value
+     */
+    protected function parsePrice($priceStr)
+    {
+        if (empty($priceStr)) {
+            return 0.0;
+        }
+
+        // Remove currency symbols and whitespace
+        $priceStr = preg_replace('/[^\d,.\-]/', '', $priceStr);
+
+        // Handle German number format (1.234,56)
+        if (preg_match('/^\d{1,3}(\.\d{3})*,\d{2}$/', $priceStr)) {
+            $priceStr = str_replace('.', '', $priceStr);
+            $priceStr = str_replace(',', '.', $priceStr);
+        } elseif (strpos($priceStr, ',') !== false && strpos($priceStr, '.') === false) {
+            // Simple comma as decimal separator
+            $priceStr = str_replace(',', '.', $priceStr);
+        }
+
+        return (float)$priceStr;
+    }
+
+    /**
+     * Convert Datanorm unit code to UN/ECE code
+     *
+     * @param string $datanormUnit Datanorm unit code
+     * @return string UN/ECE unit code
+     */
+    public static function convertUnitCode($datanormUnit)
+    {
+        $mapping = array(
+            'ST' => 'C62',   // Stück
+            'STK' => 'C62',  // Stück
+            'PCE' => 'C62',  // Piece
+            'M' => 'MTR',    // Meter
+            'MTR' => 'MTR',  // Meter
+            'CM' => 'CMT',   // Zentimeter
+            'MM' => 'MMT',   // Millimeter
+            'L' => 'LTR',    // Liter
+            'LTR' => 'LTR',  // Liter
+            'KG' => 'KGM',   // Kilogramm
+            'G' => 'GRM',    // Gramm
+            'M2' => 'MTK',   // Quadratmeter
+            'M3' => 'MTQ',   // Kubikmeter
+            'PAK' => 'PK',   // Packung
+            'PAC' => 'PK',   // Package
+            'SET' => 'SET',  // Set
+            'ROL' => 'RL',   // Rolle
+            'RLL' => 'RL',   // Roll
+            'BDL' => 'BE',   // Bündel
+            'KRT' => 'CT',   // Karton
+            'CTN' => 'CT',   // Carton
+        );
+
+        $unit = strtoupper(trim($datanormUnit));
+        return $mapping[$unit] ?? 'C62'; // Default to piece
+    }
+
+    /**
+     * Get all parsed articles
+     *
+     * @return array Articles
+     */
+    public function getArticles()
+    {
+        return $this->articles;
+    }
+
+    /**
+     * Find article by number
+     *
+     * @param string $articleNumber Article number to find
+     * @return array|null Article data or null
+     */
+    public function findArticle($articleNumber)
+    {
+        return $this->articles[$articleNumber] ?? null;
+    }
+
+    /**
+     * Search articles by text
+     *
+     * @param string $searchText Search text
+     * @param int $limit Maximum results
+     * @return array Matching articles
+     */
+    public function searchArticles($searchText, $limit = 50)
+    {
+        $results = array();
+        $searchText = strtolower($searchText);
+
+        foreach ($this->articles as $article) {
+            $searchFields = strtolower(
+                $article['article_number'] . ' ' .
+                $article['matchcode'] . ' ' .
+                $article['short_text1'] . ' ' .
+                $article['short_text2'] . ' ' .
+                $article['ean'] . ' ' .
+                $article['manufacturer_ref']
+            );
+
+            if (strpos($searchFields, $searchText) !== false) {
+                $results[] = $article;
+                if (count($results) >= $limit) {
+                    break;
+                }
+            }
+        }
+
+        return $results;
+    }
+}

class/importnotification.class.php

@@ -0,0 +1,389 @@
+<?php
+/* Copyright (C) 2026 ZUGFeRD Import Module
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+/**
+ * \file    class/importnotification.class.php
+ * \ingroup importzugferd
+ * \brief   Email notification class for ZUGFeRD imports
+ */
+
+require_once DOL_DOCUMENT_ROOT.'/core/class/CMailFile.class.php';
+
+/**
+ * Class ImportNotification
+ * Handles email notifications for ZUGFeRD import events
+ */
+class ImportNotification
+{
+    /**
+     * @var DoliDB Database handler
+     */
+    public $db;
+
+    /**
+     * @var string Error message
+     */
+    public $error = '';
+
+    /**
+     * @var array Error messages
+     */
+    public $errors = array();
+
+    /**
+     * Constructor
+     *
+     * @param DoliDB $db Database handler
+     */
+    public function __construct($db)
+    {
+        $this->db = $db;
+    }
+
+    /**
+     * Check if notifications are enabled
+     *
+     * @return bool True if enabled
+     */
+    public function isEnabled()
+    {
+        return getDolGlobalString('IMPORTZUGFERD_NOTIFY_ENABLED') && getDolGlobalString('IMPORTZUGFERD_NOTIFY_EMAIL');
+    }
+
+    /**
+     * Get notification email address
+     *
+     * @return string Email address
+     */
+    public function getNotifyEmail()
+    {
+        return getDolGlobalString('IMPORTZUGFERD_NOTIFY_EMAIL');
+    }
+
+    /**
+     * Send notification for manual intervention required
+     *
+     * @param ZugferdImport $import Import object
+     * @param array $lines Import lines
+     * @return int 1 if sent, 0 if not needed, -1 on error
+     */
+    public function sendManualInterventionNotification($import, $lines = array())
+    {
+        global $conf, $langs;
+
+        if (!$this->isEnabled() || !getDolGlobalString('IMPORTZUGFERD_NOTIFY_MANUAL')) {
+            return 0;
+        }
+
+        $langs->load('importzugferd@importzugferd');
+
+        $subject = $langs->trans('NotifySubjectManualIntervention', $import->invoice_number);
+
+        $body = $langs->trans('NotifyBodyManualIntervention', $import->invoice_number, $import->seller_name);
+        $body .= "\n\n";
+        $body .= $langs->trans('InvoiceNumber').': '.$import->invoice_number."\n";
+        $body .= $langs->trans('Supplier').': '.$import->seller_name."\n";
+        $body .= $langs->trans('InvoiceDate').': '.dol_print_date($import->invoice_date, 'day')."\n";
+        $body .= $langs->trans('TotalTTC').': '.price($import->total_ttc).' '.$import->currency."\n";
+        $body .= "\n";
+
+        // List issues
+        $missingProducts = 0;
+        $missingSupplier = ($import->fk_soc <= 0);
+
+        if (!empty($lines)) {
+            foreach ($lines as $line) {
+                if ($line->fk_product <= 0) {
+                    $missingProducts++;
+                }
+            }
+        }
+
+        if ($missingSupplier) {
+            $body .= "- ".$langs->trans('SupplierNotAssigned')."\n";
+        }
+        if ($missingProducts > 0) {
+            $body .= "- ".$missingProducts." ".$langs->trans('ProductsNotAssigned')."\n";
+        }
+
+        $body .= "\n";
+        $body .= $langs->trans('NotifyLinkToImport').': '.dol_buildpath('/importzugferd/import.php', 2).'?action=edit&id='.$import->id;
+
+        return $this->sendEmail($subject, $body);
+    }
+
+    /**
+     * Send notification for import error
+     *
+     * @param ZugferdImport $import Import object (may be partial)
+     * @param string $errorMessage Error message
+     * @param string $filename Original filename
+     * @return int 1 if sent, 0 if not needed, -1 on error
+     */
+    public function sendErrorNotification($import, $errorMessage, $filename = '')
+    {
+        global $conf, $langs;
+
+        if (!$this->isEnabled() || !getDolGlobalString('IMPORTZUGFERD_NOTIFY_ERROR')) {
+            return 0;
+        }
+
+        $langs->load('importzugferd@importzugferd');
+
+        $invoiceNum = !empty($import->invoice_number) ? $import->invoice_number : $filename;
+        $subject = $langs->trans('NotifySubjectError', $invoiceNum);
+
+        $body = $langs->trans('NotifyBodyError', $invoiceNum);
+        $body .= "\n\n";
+
+        if (!empty($import->invoice_number)) {
+            $body .= $langs->trans('InvoiceNumber').': '.$import->invoice_number."\n";
+        }
+        if (!empty($import->seller_name)) {
+            $body .= $langs->trans('Supplier').': '.$import->seller_name."\n";
+        }
+        if (!empty($filename)) {
+            $body .= $langs->trans('File').': '.$filename."\n";
+        }
+
+        $body .= "\n";
+        $body .= $langs->trans('ErrorMessage').":\n";
+        $body .= $errorMessage."\n";
+
+        if ($import->id > 0) {
+            $body .= "\n";
+            $body .= $langs->trans('NotifyLinkToImport').': '.dol_buildpath('/importzugferd/import.php', 2).'?action=edit&id='.$import->id;
+        }
+
+        return $this->sendEmail($subject, $body);
+    }
+
+    /**
+     * Send notification for significant price differences
+     *
+     * @param ZugferdImport $import Import object
+     * @param array $priceDiffs Array of price differences: array of ['line' => ImportLine, 'product' => Product, 'old_price' => float, 'new_price' => float, 'diff_percent' => float]
+     * @return int 1 if sent, 0 if not needed, -1 on error
+     */
+    public function sendPriceDifferenceNotification($import, $priceDiffs)
+    {
+        global $conf, $langs;
+
+        if (!$this->isEnabled() || !getDolGlobalString('IMPORTZUGFERD_NOTIFY_PRICE_DIFF')) {
+            return 0;
+        }
+
+        if (empty($priceDiffs)) {
+            return 0;
+        }
+
+        $langs->load('importzugferd@importzugferd');
+
+        $threshold = getDolGlobalInt('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD', 10);
+        $subject = $langs->trans('NotifySubjectPriceDiff', $import->invoice_number, count($priceDiffs));
+
+        $body = $langs->trans('NotifyBodyPriceDiff', $import->invoice_number, $import->seller_name, $threshold);
+        $body .= "\n\n";
+        $body .= $langs->trans('InvoiceNumber').': '.$import->invoice_number."\n";
+        $body .= $langs->trans('Supplier').': '.$import->seller_name."\n";
+        $body .= $langs->trans('InvoiceDate').': '.dol_print_date($import->invoice_date, 'day')."\n";
+        $body .= "\n";
+
+        // Table header
+        $body .= str_pad($langs->trans('Product'), 40)." | ";
+        $body .= str_pad($langs->trans('OldPrice'), 12)." | ";
+        $body .= str_pad($langs->trans('NewPrice'), 12)." | ";
+        $body .= str_pad($langs->trans('Difference'), 10)."\n";
+        $body .= str_repeat('-', 80)."\n";
+
+        // List products with price differences
+        foreach ($priceDiffs as $diff) {
+            $productName = $diff['product']->ref.' - '.$diff['product']->label;
+            if (strlen($productName) > 38) {
+                $productName = substr($productName, 0, 35).'...';
+            }
+
+            $oldPrice = price($diff['old_price']).' '.$import->currency;
+            $newPrice = price($diff['new_price']).' '.$import->currency;
+            $diffPercent = ($diff['diff_percent'] > 0 ? '+' : '').number_format($diff['diff_percent'], 1).'%';
+
+            $body .= str_pad($productName, 40)." | ";
+            $body .= str_pad($oldPrice, 12)." | ";
+            $body .= str_pad($newPrice, 12)." | ";
+            $body .= str_pad($diffPercent, 10)."\n";
+        }
+
+        $body .= "\n";
+        $body .= $langs->trans('NotifyLinkToImport').': '.dol_buildpath('/importzugferd/import.php', 2).'?action=edit&id='.$import->id;
+
+        return $this->sendEmail($subject, $body);
+    }
+
+    /**
+     * Check for price differences and send notification if needed
+     *
+     * @param ZugferdImport $import Import object
+     * @param array $lines Import lines with fk_product set
+     * @return int 1 if notification sent, 0 if not needed, -1 on error
+     */
+    public function checkAndNotifyPriceDifferences($import, $lines)
+    {
+        global $conf;
+
+        if (!$this->isEnabled() || !getDolGlobalString('IMPORTZUGFERD_NOTIFY_PRICE_DIFF')) {
+            return 0;
+        }
+
+        $threshold = getDolGlobalInt('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD', 10);
+        $priceDiffs = array();
+
+        require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+        require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
+
+        foreach ($lines as $line) {
+            if ($line->fk_product <= 0) {
+                continue;
+            }
+
+            // Get current supplier price
+            $productFourn = new ProductFournisseur($this->db);
+            $result = $productFourn->find_min_price_product_fournisseur($line->fk_product, 1, $import->fk_soc);
+
+            if ($result > 0 && $productFourn->fourn_price > 0) {
+                $oldPrice = $productFourn->fourn_price;
+                $newPrice = $line->unit_price;
+
+                // Calculate percentage difference
+                $diffPercent = (($newPrice - $oldPrice) / $oldPrice) * 100;
+
+                if (abs($diffPercent) >= $threshold) {
+                    $product = new Product($this->db);
+                    $product->fetch($line->fk_product);
+
+                    $priceDiffs[] = array(
+                        'line' => $line,
+                        'product' => $product,
+                        'old_price' => $oldPrice,
+                        'new_price' => $newPrice,
+                        'diff_percent' => $diffPercent
+                    );
+                }
+            }
+        }
+
+        if (!empty($priceDiffs)) {
+            return $this->sendPriceDifferenceNotification($import, $priceDiffs);
+        }
+
+        return 0;
+    }
+
+    /**
+     * Send test notification email
+     *
+     * @return int 1 if sent, -1 on error
+     */
+    public function sendTestNotification()
+    {
+        global $conf, $langs;
+
+        if (!$this->isEnabled()) {
+            $this->error = $langs->trans('NotificationsNotEnabled');
+            return -1;
+        }
+
+        $langs->load('importzugferd@importzugferd');
+
+        $subject = $langs->trans('NotifySubjectTest');
+
+        $body = $langs->trans('NotifyBodyTest');
+        $body .= "\n\n";
+        $body .= $langs->trans('NotifyTestInfo')."\n\n";
+
+        // Show current notification settings
+        $body .= $langs->trans('CurrentSettings').":\n";
+        $body .= "- ".$langs->trans('NotifyEmail').": ".$this->getNotifyEmail()."\n";
+        $body .= "- ".$langs->trans('IMPORTZUGFERD_NOTIFY_MANUAL').": ".(getDolGlobalString('IMPORTZUGFERD_NOTIFY_MANUAL') ? $langs->trans('Yes') : $langs->trans('No'))."\n";
+        $body .= "- ".$langs->trans('IMPORTZUGFERD_NOTIFY_ERROR').": ".(getDolGlobalString('IMPORTZUGFERD_NOTIFY_ERROR') ? $langs->trans('Yes') : $langs->trans('No'))."\n";
+        $body .= "- ".$langs->trans('IMPORTZUGFERD_NOTIFY_PRICE_DIFF').": ".(getDolGlobalString('IMPORTZUGFERD_NOTIFY_PRICE_DIFF') ? $langs->trans('Yes') : $langs->trans('No'))."\n";
+
+        if (getDolGlobalString('IMPORTZUGFERD_NOTIFY_PRICE_DIFF')) {
+            $body .= "- ".$langs->trans('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD').": ".getDolGlobalInt('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD', 10)."%\n";
+        }
+
+        $body .= "\n";
+        $body .= $langs->trans('NotifyTestSuccess');
+
+        return $this->sendEmail($subject, $body);
+    }
+
+    /**
+     * Send email using Dolibarr's mail system
+     *
+     * @param string $subject Email subject
+     * @param string $body Email body (plain text)
+     * @return int 1 if sent, -1 on error
+     */
+    protected function sendEmail($subject, $body)
+    {
+        global $conf, $langs, $mysoc;
+
+        $to = $this->getNotifyEmail();
+        if (empty($to)) {
+            $this->error = 'No notification email configured';
+            return -1;
+        }
+
+        // Get sender
+        $from = getDolGlobalString('MAIN_MAIL_EMAIL_FROM');
+        if (empty($from)) {
+            $from = $mysoc->email;
+        }
+        if (empty($from)) {
+            $this->error = 'No sender email configured';
+            return -1;
+        }
+
+        // Add module prefix to subject
+        $subject = '[ZUGFeRD Import] '.$subject;
+
+        // Create mail object
+        $mailfile = new CMailFile(
+            $subject,
+            $to,
+            $from,
+            $body,
+            array(),  // files
+            array(),  // mimefiles
+            array(),  // ccfiles
+            '',       // cc
+            '',       // bcc
+            0,        // deliveryreceipt
+            0,        // msgishtml
+            '',       // errors_to
+            '',       // css
+            '',       // trackid
+            '',       // moreinheader
+            'standard', // sendcontext
+            ''        // replyto
+        );
+
+        $result = $mailfile->sendfile();
+
+        if ($result) {
+            dol_syslog("ImportNotification: Email sent to ".$to." - Subject: ".$subject, LOG_INFO);
+            return 1;
+        } else {
+            $this->error = $mailfile->error;
+            $this->errors = $mailfile->errors;
+            dol_syslog("ImportNotification: Failed to send email - ".$this->error, LOG_ERR);
+            return -1;
+        }
+    }
+}

class/zugferdimport.class.php

@@ -362,25 +362,27 @@ class ZugferdImport extends CommonObject
         $sql = "UPDATE " . MAIN_DB_PREFIX . $this->table_element . " SET";
         $sql .= " ref = '" . $this->db->escape($this->ref) . "',";
         $sql .= " invoice_number = '" . $this->db->escape($this->invoice_number) . "',";
-        $sql .= " invoice_date = '" . $this->db->escape($this->invoice_date) . "',";
+        $sql .= " invoice_date = " . ($this->invoice_date ? "'" . $this->db->idate($this->invoice_date) . "'" : "null") . ",";
         $sql .= " seller_name = '" . $this->db->escape($this->seller_name) . "',";
         $sql .= " seller_vat = '" . $this->db->escape($this->seller_vat) . "',";
         $sql .= " buyer_reference = '" . $this->db->escape($this->buyer_reference) . "',";
         $sql .= " total_ht = " . price2num($this->total_ht) . ",";
         $sql .= " total_ttc = " . price2num($this->total_ttc) . ",";
         $sql .= " currency = '" . $this->db->escape($this->currency) . "',";
-        $sql .= " fk_soc = " . ($this->fk_soc > 0 ? $this->fk_soc : "null") . ",";
+        $sql .= " fk_soc = " . ($this->fk_soc > 0 ? (int) $this->fk_soc : "null") . ",";
-        $sql .= " fk_facture_fourn = " . ($this->fk_facture_fourn > 0 ? $this->fk_facture_fourn : "null") . ",";
+        $sql .= " fk_facture_fourn = " . ($this->fk_facture_fourn > 0 ? (int) $this->fk_facture_fourn : "null") . ",";
         $sql .= " status = " . (int) $this->status . ",";
-        $sql .= " error_message = '" . $this->db->escape($this->error_message) . "',";
+        $sql .= " date_import = " . ($this->date_import ? "'" . $this->db->idate($this->date_import) . "'" : "null") . ",";
+        $sql .= " error_message = " . ($this->error_message ? "'" . $this->db->escape($this->error_message) . "'" : "null") . ",";
         $sql .= " fk_user_modif = " . (int) $this->fk_user_modif;
         $sql .= " WHERE rowid = " . (int) $this->id;
 
-        dol_syslog(get_class($this) . "::update", LOG_DEBUG);
+        dol_syslog(get_class($this) . "::update sql=" . $sql, LOG_DEBUG);
         $resql = $this->db->query($sql);
 
         if (!$resql) {
             $this->error = $this->db->lasterror();
+            dol_syslog(get_class($this) . "::update error=" . $this->error, LOG_ERR);
             return -1;
         }
 
@@ -514,6 +516,211 @@ class ZugferdImport extends CommonObject
         return $xml;
     }
 
+    /**
+     * Import a ZUGFeRD invoice from PDF file
+     * This is the main entry point for batch/automated imports
+     *
+     * @param User $user User performing import
+     * @param string $file_path Path to PDF file
+     * @param bool $auto_create_invoice Whether to auto-create supplier invoice
+     * @return int >0 (import ID) if OK, -2 if duplicate, <0 if error
+     */
+    public function importFromFile($user, $file_path, $auto_create_invoice = false)
+    {
+        global $conf, $langs;
+
+        $langs->load('importzugferd@importzugferd');
+
+        dol_include_once('/importzugferd/class/zugferdparser.class.php');
+        dol_include_once('/importzugferd/class/productmapping.class.php');
+        dol_include_once('/importzugferd/class/importline.class.php');
+        dol_include_once('/importzugferd/class/importnotification.class.php');
+
+        // Parse PDF
+        $parser = new ZugferdParser($this->db);
+        $result = $parser->extractFromPdf($file_path);
+        if ($result < 0) {
+            $this->error = $parser->error;
+            return -1;
+        }
+
+        $result = $parser->parse();
+        if ($result < 0) {
+            $this->error = $parser->error;
+            return -1;
+        }
+
+        $invoice_data = $parser->getInvoiceData();
+
+        // Check for duplicates
+        $file_hash = $parser->getFileHash($file_path);
+        if ($this->isDuplicate($file_hash)) {
+            $this->error = $langs->trans('ErrorDuplicateInvoice');
+            return -2; // Duplicate
+        }
+
+        // Find supplier
+        $supplier_id = $this->findSupplier($invoice_data);
+
+        // Set import record data
+        $this->invoice_number = $invoice_data['invoice_number'];
+        $this->invoice_date = $invoice_data['invoice_date'];
+        $this->seller_name = $invoice_data['seller']['name'];
+        $this->seller_vat = $invoice_data['seller']['vat_id'];
+        $this->buyer_reference = $invoice_data['buyer']['reference'] ?: $invoice_data['buyer']['id'];
+        $this->total_ht = $invoice_data['totals']['net'];
+        $this->total_ttc = $invoice_data['totals']['gross'];
+        $this->currency = $invoice_data['totals']['currency'] ?: 'EUR';
+        $this->fk_soc = $supplier_id;
+        $this->xml_content = $parser->getXmlContent();
+        $this->pdf_filename = basename($file_path);
+        $this->file_hash = $file_hash;
+        $this->date_import = dol_now();
+
+        // Create import record
+        $import_id = $this->create($user);
+        if ($import_id < 0) {
+            return -3;
+        }
+
+        // Process and store line items
+        $mapping = new ProductMapping($this->db);
+        $unmatched_count = 0;
+        $matched_count = 0;
+        $total_lines = count($invoice_data['lines']);
+
+        foreach ($invoice_data['lines'] as $line_data) {
+            $line = new ImportLine($this->db);
+            $line->fk_import = $import_id;
+            $line->line_id = $line_data['line_id'];
+            $line->supplier_ref = $line_data['product']['seller_id'];
+            $line->product_name = $line_data['product']['name'];
+            $line->description = $line_data['product']['description'];
+            $line->quantity = $line_data['quantity'];
+            $line->unit_code = $line_data['unit_code'];
+            $line->unit_price = $line_data['unit_price'];
+            $line->unit_price_raw = isset($line_data['unit_price_raw']) ? $line_data['unit_price_raw'] : $line_data['unit_price'];
+            $line->basis_quantity = isset($line_data['basis_quantity']) ? $line_data['basis_quantity'] : 1;
+            $line->basis_quantity_unit = isset($line_data['basis_quantity_unit']) ? $line_data['basis_quantity_unit'] : '';
+            $line->line_total = $line_data['line_total'];
+            $line->tax_percent = $line_data['tax_percent'];
+            $line->ean = $line_data['product']['global_id'];
+
+            // Try to match product
+            $fk_product = 0;
+            $match_method = '';
+
+            if ($supplier_id > 0) {
+                $match = $mapping->findProduct($supplier_id, $line_data['product']);
+                if (!empty($match) && $match['fk_product'] > 0) {
+                    $fk_product = $match['fk_product'];
+                    $match_method = $match['method'];
+                }
+            }
+
+            $line->fk_product = $fk_product;
+            $line->match_method = $match_method;
+
+            if ($fk_product == 0) {
+                $unmatched_count++;
+            } else {
+                $matched_count++;
+            }
+
+            $line->create($user);
+        }
+
+        // Determine status based on matching results
+        // STATUS_IMPORTED only if: supplier found, has lines, and ALL lines have matched products
+        if ($supplier_id == 0 || $total_lines == 0 || $unmatched_count > 0 || $matched_count == 0) {
+            // Missing supplier, no lines, unmatched products, or no matches at all - needs manual intervention
+            $this->status = self::STATUS_PENDING;
+        } else {
+            // All lines matched
+            $this->status = self::STATUS_IMPORTED;
+        }
+
+        // Copy PDF to documents
+        $destdir = $conf->importzugferd->dir_output . '/imports';
+        if (!is_dir($destdir)) {
+            dol_mkdir($destdir);
+        }
+        $destfile = $destdir . '/' . $this->ref . '_' . basename($file_path);
+        copy($file_path, $destfile);
+
+        // Update status
+        $this->update($user);
+
+        // Send notification if manual intervention required
+        if ($this->status == self::STATUS_PENDING && class_exists('ImportNotification')) {
+            $notification = new ImportNotification($this->db);
+            $importLine = new ImportLine($this->db);
+            $storedLines = $importLine->fetchAllByImport($this->id);
+            $notification->sendManualInterventionNotification($this, $storedLines);
+        }
+
+        return $import_id;
+    }
+
+    /**
+     * Find supplier by buyer reference or VAT ID
+     *
+     * @param array $invoice_data Parsed invoice data
+     * @return int Supplier ID or 0
+     */
+    protected function findSupplier($invoice_data)
+    {
+        global $conf;
+
+        $buyer_ref = $invoice_data['buyer']['reference'] ?: $invoice_data['buyer']['id'];
+        $seller_vat = $invoice_data['seller']['vat_id'];
+        $seller_name = $invoice_data['seller']['name'];
+
+        // 1. Search by buyer reference in extrafield
+        if (!empty($buyer_ref)) {
+            $sql = "SELECT fk_object FROM " . MAIN_DB_PREFIX . "societe_extrafields";
+            $sql .= " WHERE supplier_customer_number = '" . $this->db->escape($buyer_ref) . "'";
+
+            $resql = $this->db->query($sql);
+            if ($resql && $this->db->num_rows($resql) > 0) {
+                $obj = $this->db->fetch_object($resql);
+                return (int) $obj->fk_object;
+            }
+        }
+
+        // 2. Search by VAT ID
+        if (!empty($seller_vat)) {
+            $sql = "SELECT rowid FROM " . MAIN_DB_PREFIX . "societe";
+            $sql .= " WHERE tva_intra = '" . $this->db->escape($seller_vat) . "'";
+            $sql .= " AND fournisseur = 1";
+            $sql .= " AND entity IN (" . getEntity('societe') . ")";
+
+            $resql = $this->db->query($sql);
+            if ($resql && $this->db->num_rows($resql) > 0) {
+                $obj = $this->db->fetch_object($resql);
+                return (int) $obj->rowid;
+            }
+        }
+
+        // 3. Search by name (fuzzy)
+        if (!empty($seller_name)) {
+            $sql = "SELECT rowid FROM " . MAIN_DB_PREFIX . "societe";
+            $sql .= " WHERE (nom LIKE '" . $this->db->escape($seller_name) . "%'";
+            $sql .= " OR nom LIKE '%" . $this->db->escape(substr($seller_name, 0, 20)) . "%')";
+            $sql .= " AND fournisseur = 1";
+            $sql .= " AND entity IN (" . getEntity('societe') . ")";
+            $sql .= " LIMIT 1";
+
+            $resql = $this->db->query($sql);
+            if ($resql && $this->db->num_rows($resql) > 0) {
+                $obj = $this->db->fetch_object($resql);
+                return (int) $obj->rowid;
+            }
+        }
+
+        return 0;
+    }
+
     /**
      * Get status label
      *

core/modules/modImportZugferd.class.php

@@ -76,7 +76,7 @@ class modImportZugferd extends DolibarrModules
 		$this->editor_squarred_logo = '';					// Must be image filename into the module/img directory followed with @modulename. Example: 'myimage.png@importzugferd'
 
 		// Possible values for version are: 'development', 'experimental', 'dolibarr', 'dolibarr_deprecated', 'experimental_deprecated' or a version string like 'x.y.z'
-		$this->version = '1.1';
+		$this->version = '2.0';
 		// Url to the file with your last numberversion of this module
 		//$this->url_last_version = 'http://www.example.com/versionmodule.txt';
 
@@ -136,7 +136,7 @@ class modImportZugferd extends DolibarrModules
 		);
 
 		// Data directories to create when module is enabled.
-		$this->dirs = array("/importzugferd/temp", "/importzugferd/imports");
+		$this->dirs = array("/importzugferd/temp", "/importzugferd/imports", "/importzugferd/datanorm");
 
 		// Config pages. Put here list of php page, stored into importzugferd/admin directory, to use to setup module.
 		$this->config_page_url = array("setup.php@importzugferd");
@@ -268,16 +268,16 @@ class modImportZugferd extends DolibarrModules
 		/* BEGIN MODULEBUILDER CRON */
 		$this->cronjobs = array(
 			0 => array(
-				'label' => 'ImportZugferdFromMailbox',
+				'label' => 'ImportZugferdScheduled',
 				'jobtype' => 'method',
 				'class' => '/importzugferd/class/cron_importzugferd.class.php',
 				'objectname' => 'CronImportZugferd',
-				'method' => 'fetchFromMailbox',
+				'method' => 'runScheduledImport',
 				'parameters' => '',
-				'comment' => 'Fetch ZUGFeRD invoices from configured mailbox',
+				'comment' => 'Scheduled import from folder and mailbox (frequency controlled by module settings)',
 				'frequency' => 15,
 				'unitfrequency' => 60,
-				'status' => 0,
+				'status' => 1,
 				'test' => 'isModEnabled("importzugferd")',
 				'priority' => 50,
 			),
@@ -316,6 +316,12 @@ class modImportZugferd extends DolibarrModules
 		$this->rights[$r][5] = 'write';
 		$r++;
 
+		$this->rights[$r][0] = $this->numero . sprintf("%02d", 5);
+		$this->rights[$r][1] = 'Manage Datanorm catalogs';
+		$this->rights[$r][4] = 'datanorm';
+		$this->rights[$r][5] = 'write';
+		$r++;
+
 
 		// Main menu entries to add
 		$this->menu = array();
@@ -407,6 +413,23 @@ class modImportZugferd extends DolibarrModules
 			'user' => 2,
 		);
 
+		// Left menu: Datanorm Catalogs
+		$this->menu[$r++] = array(
+			'fk_menu' => 'fk_mainmenu=importzugferd',
+			'type' => 'left',
+			'titre' => 'DatanormCatalogs',
+			'prefix' => img_picto('', 'fa-database', 'class="pictofixedwidth valignmiddle paddingright"'),
+			'mainmenu' => 'importzugferd',
+			'leftmenu' => 'zugferd_datanorm',
+			'url' => '/importzugferd/datanorm.php',
+			'langs' => 'importzugferd@importzugferd',
+			'position' => 1000 + $r,
+			'enabled' => 'isModEnabled("importzugferd")',
+			'perms' => '$user->hasRight("importzugferd", "datanorm", "write")',
+			'target' => '',
+			'user' => 2,
+		);
+
 
 		// Exports profiles provided by this module
 		$r = 0;

datanorm.php

@@ -0,0 +1,309 @@
+<?php
+/* Copyright (C) 2026 Eduard Wisch <data@data-it-solution.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+/**
+ * \file    datanorm.php
+ * \ingroup importzugferd
+ * \brief   Datanorm catalog management page
+ */
+
+// Load Dolibarr environment
+$res = 0;
+if (!$res && !empty($_SERVER["CONTEXT_DOCUMENT_ROOT"])) {
+    $res = @include $_SERVER["CONTEXT_DOCUMENT_ROOT"]."/main.inc.php";
+}
+$tmp = empty($_SERVER['SCRIPT_FILENAME']) ? '' : $_SERVER['SCRIPT_FILENAME'];
+$tmp2 = realpath(__FILE__);
+$i = strlen($tmp) - 1;
+$j = strlen($tmp2) - 1;
+while ($i > 0 && $j > 0 && isset($tmp[$i]) && isset($tmp2[$j]) && $tmp[$i] == $tmp2[$j]) {
+    $i--;
+    $j--;
+}
+if (!$res && $i > 0 && file_exists(substr($tmp, 0, ($i + 1))."/main.inc.php")) {
+    $res = @include substr($tmp, 0, ($i + 1))."/main.inc.php";
+}
+if (!$res && $i > 0 && file_exists(dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php")) {
+    $res = @include dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php";
+}
+if (!$res && file_exists("../main.inc.php")) {
+    $res = @include "../main.inc.php";
+}
+if (!$res && file_exists("../../main.inc.php")) {
+    $res = @include "../../main.inc.php";
+}
+if (!$res) {
+    die("Include of main fails");
+}
+
+require_once DOL_DOCUMENT_ROOT.'/core/class/html.form.class.php';
+require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
+require_once './class/datanorm.class.php';
+require_once './class/datanormparser.class.php';
+require_once './lib/importzugferd.lib.php';
+
+$langs->loadLangs(array('importzugferd@importzugferd', 'companies', 'products'));
+
+// Access control
+if (!$user->hasRight('importzugferd', 'datanorm', 'write')) {
+    accessforbidden();
+}
+
+// Parameters
+$action = GETPOST('action', 'aZ09');
+$confirm = GETPOST('confirm', 'alpha');
+$fk_soc = GETPOSTINT('fk_soc');
+$id = GETPOSTINT('id');
+
+// Objects
+$form = new Form($db);
+$datanorm = new Datanorm($db);
+
+/*
+ * Actions
+ */
+
+// Upload Datanorm file
+if ($action == 'upload' && !empty($_FILES['datanormfile']['name']) && $fk_soc > 0) {
+    $error = 0;
+
+    // Check supplier exists and is a supplier
+    $supplier = new Societe($db);
+    if ($supplier->fetch($fk_soc) <= 0 || $supplier->fournisseur != 1) {
+        setEventMessages($langs->trans('ErrorSupplierNotFound'), null, 'errors');
+        $error++;
+    }
+
+    if (!$error) {
+        // Create upload directory
+        $upload_dir = $conf->importzugferd->dir_output.'/datanorm/'.$fk_soc;
+        if (!dol_is_dir($upload_dir)) {
+            dol_mkdir($upload_dir);
+        }
+
+        // Handle file upload
+        $uploaded_files = array();
+
+        // Check if multiple files or single file
+        if (is_array($_FILES['datanormfile']['name'])) {
+            $file_count = count($_FILES['datanormfile']['name']);
+            for ($i = 0; $i < $file_count; $i++) {
+                if ($_FILES['datanormfile']['error'][$i] == UPLOAD_ERR_OK) {
+                    $tmp_name = $_FILES['datanormfile']['tmp_name'][$i];
+                    $name = $_FILES['datanormfile']['name'][$i];
+                    $dest = $upload_dir.'/'.$name;
+
+                    if (dol_move_uploaded_file($tmp_name, $dest, 1) > 0) {
+                        $uploaded_files[] = $dest;
+                    }
+                }
+            }
+        } else {
+            if ($_FILES['datanormfile']['error'] == UPLOAD_ERR_OK) {
+                $tmp_name = $_FILES['datanormfile']['tmp_name'];
+                $name = $_FILES['datanormfile']['name'];
+                $dest = $upload_dir.'/'.$name;
+
+                if (dol_move_uploaded_file($tmp_name, $dest, 1) > 0) {
+                    $uploaded_files[] = $dest;
+                }
+            }
+        }
+
+        if (empty($uploaded_files)) {
+            setEventMessages($langs->trans('ErrorUploadFailed'), null, 'errors');
+            $error++;
+        }
+    }
+
+    if (!$error && !empty($uploaded_files)) {
+        // Use streaming import for large files (directory-based)
+        $delete_existing = GETPOST('delete_existing', 'int') ? true : false;
+        $imported = $datanorm->importFromDirectoryStreaming($user, $fk_soc, $upload_dir, $delete_existing);
+
+        if ($imported > 0) {
+            setEventMessages($langs->trans('DatanormImportSuccess', $imported), null, 'mesgs');
+        } elseif ($imported == 0) {
+            setEventMessages($langs->trans('DatanormNoArticlesFound'), null, 'warnings');
+        } else {
+            setEventMessages($langs->trans('DatanormImportFailed').': '.$datanorm->error, null, 'errors');
+        }
+    }
+}
+
+// Delete all articles for supplier
+if ($action == 'delete' && $confirm == 'yes' && $fk_soc > 0) {
+    $result = $datanorm->deleteAllBySupplier($user, $fk_soc);
+    if ($result >= 0) {
+        setEventMessages($langs->trans('DatanormDeleted', $result), null, 'mesgs');
+    } else {
+        setEventMessages($langs->trans('DatanormDeleteFailed').': '.$datanorm->error, null, 'errors');
+    }
+    $action = '';
+}
+
+/*
+ * View
+ */
+
+$title = $langs->trans('DatanormCatalogs');
+llxHeader('', $title, '', '', 0, 0, '', '', '', 'mod-importzugferd page-datanorm');
+
+print load_fiche_titre($title, '', 'fa-database');
+
+// Confirmation dialog for delete
+if ($action == 'delete' && $fk_soc > 0) {
+    $supplier = new Societe($db);
+    $supplier->fetch($fk_soc);
+
+    $formconfirm = $form->formconfirm(
+        $_SERVER["PHP_SELF"].'?fk_soc='.$fk_soc,
+        $langs->trans('DeleteDatanorm'),
+        $langs->trans('ConfirmDeleteDatanorm', $supplier->name),
+        'delete',
+        '',
+        0,
+        1
+    );
+    print $formconfirm;
+}
+
+// Upload form
+print '<div class="fichecenter">';
+
+print '<div class="div-table-responsive-no-min">';
+print '<table class="noborder centpercent">';
+print '<tr class="liste_titre">';
+print '<td colspan="2">'.$langs->trans('UploadDatanorm').'</td>';
+print '</tr>';
+
+print '<tr class="oddeven">';
+print '<td colspan="2">';
+
+print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'" enctype="multipart/form-data">';
+print '<input type="hidden" name="token" value="'.newToken().'">';
+print '<input type="hidden" name="action" value="upload">';
+
+print '<table class="nobordernopadding">';
+
+// Supplier selection
+print '<tr>';
+print '<td class="titlefield">'.$langs->trans('Supplier').' <span class="fieldrequired">*</span></td>';
+print '<td>';
+print $form->select_company($fk_soc, 'fk_soc', 's.fournisseur = 1', 1, 0, 0, array(), 0, 'minwidth300');
+print '</td>';
+print '</tr>';
+
+// File upload
+print '<tr>';
+print '<td>'.$langs->trans('DatanormFiles').' <span class="fieldrequired">*</span></td>';
+print '<td>';
+print '<input type="file" name="datanormfile[]" multiple accept=".001,.002,.003,.004,.005,.wrg,.rab,.xml" class="flat">';
+print '<br><span class="opacitymedium small">'.$langs->trans('DatanormFileHelp').'</span>';
+print '</td>';
+print '</tr>';
+
+// Delete existing option
+print '<tr>';
+print '<td>'.$langs->trans('DeleteExisting').'</td>';
+print '<td>';
+print '<input type="checkbox" name="delete_existing" value="1" checked>';
+print ' <span class="opacitymedium">'.$langs->trans('DeleteExistingHelp').'</span>';
+print '</td>';
+print '</tr>';
+
+// Submit button
+print '<tr>';
+print '<td></td>';
+print '<td>';
+print '<input type="submit" class="button" value="'.$langs->trans('Upload').'">';
+print '</td>';
+print '</tr>';
+
+print '</table>';
+print '</form>';
+
+print '</td>';
+print '</tr>';
+print '</table>';
+print '</div>';
+
+print '<br>';
+
+// List of suppliers with Datanorm data
+$suppliers = $datanorm->getSuppliersWithData();
+
+print '<div class="div-table-responsive-no-min">';
+print '<table class="noborder centpercent">';
+print '<tr class="liste_titre">';
+print '<td>'.$langs->trans('Supplier').'</td>';
+print '<td class="right">'.$langs->trans('ArticleCount').'</td>';
+print '<td class="center">'.$langs->trans('LastImport').'</td>';
+print '<td class="center">'.$langs->trans('Actions').'</td>';
+print '</tr>';
+
+if (!empty($suppliers)) {
+    foreach ($suppliers as $sup) {
+        print '<tr class="oddeven">';
+
+        // Supplier name with link
+        print '<td>';
+        $supplier = new Societe($db);
+        $supplier->fetch($sup['fk_soc']);
+        print $supplier->getNomUrl(1, 'supplier');
+        print '</td>';
+
+        // Article count
+        print '<td class="right">';
+        print '<span class="badge badge-info">'.$sup['article_count'].'</span>';
+        print '</td>';
+
+        // Last import
+        print '<td class="center">';
+        print dol_print_date($sup['last_import'], 'dayhour');
+        print '</td>';
+
+        // Actions
+        print '<td class="center nowraponall">';
+
+        // View articles button
+        print '<a class="paddingright" href="datanorm_list.php?fk_soc='.$sup['fk_soc'].'" title="'.$langs->trans('ViewArticles').'">';
+        print img_picto($langs->trans('ViewArticles'), 'list');
+        print '</a>';
+
+        // Delete button
+        print '<a class="paddingright" href="'.$_SERVER['PHP_SELF'].'?action=delete&fk_soc='.$sup['fk_soc'].'&token='.newToken().'" title="'.$langs->trans('Delete').'">';
+        print img_picto($langs->trans('Delete'), 'delete');
+        print '</a>';
+
+        print '</td>';
+        print '</tr>';
+    }
+} else {
+    print '<tr class="oddeven">';
+    print '<td colspan="4" class="opacitymedium center">'.$langs->trans('NoDatanormData').'</td>';
+    print '</tr>';
+}
+
+print '</table>';
+print '</div>';
+
+print '</div>';
+
+// Settings info
+print '<br>';
+print '<div class="info">';
+print '<i class="fas fa-info-circle paddingright"></i>';
+print $langs->trans('DatanormSettingsInfo');
+print ' <a href="'.dol_buildpath('/importzugferd/admin/setup.php', 1).'">'.$langs->trans('Settings').'</a>';
+print '</div>';
+
+llxFooter();
+$db->close();

datanorm_list.php

@@ -0,0 +1,258 @@
+<?php
+/* Copyright (C) 2026 Eduard Wisch <data@data-it-solution.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+/**
+ * \file    datanorm_list.php
+ * \ingroup importzugferd
+ * \brief   List of Datanorm articles for a supplier
+ */
+
+// Load Dolibarr environment
+$res = 0;
+if (!$res && !empty($_SERVER["CONTEXT_DOCUMENT_ROOT"])) {
+    $res = @include $_SERVER["CONTEXT_DOCUMENT_ROOT"]."/main.inc.php";
+}
+$tmp = empty($_SERVER['SCRIPT_FILENAME']) ? '' : $_SERVER['SCRIPT_FILENAME'];
+$tmp2 = realpath(__FILE__);
+$i = strlen($tmp) - 1;
+$j = strlen($tmp2) - 1;
+while ($i > 0 && $j > 0 && isset($tmp[$i]) && isset($tmp2[$j]) && $tmp[$i] == $tmp2[$j]) {
+    $i--;
+    $j--;
+}
+if (!$res && $i > 0 && file_exists(substr($tmp, 0, ($i + 1))."/main.inc.php")) {
+    $res = @include substr($tmp, 0, ($i + 1))."/main.inc.php";
+}
+if (!$res && $i > 0 && file_exists(dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php")) {
+    $res = @include dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php";
+}
+if (!$res && file_exists("../main.inc.php")) {
+    $res = @include "../main.inc.php";
+}
+if (!$res && file_exists("../../main.inc.php")) {
+    $res = @include "../../main.inc.php";
+}
+if (!$res) {
+    die("Include of main fails");
+}
+
+require_once DOL_DOCUMENT_ROOT.'/core/class/html.form.class.php';
+require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
+require_once './class/datanorm.class.php';
+require_once './lib/importzugferd.lib.php';
+
+$langs->loadLangs(array('importzugferd@importzugferd', 'companies', 'products'));
+
+// Access control
+if (!$user->hasRight('importzugferd', 'datanorm', 'write')) {
+    accessforbidden();
+}
+
+// Parameters
+$fk_soc = GETPOSTINT('fk_soc');
+$search_article = GETPOST('search_article', 'alpha');
+$search_text = GETPOST('search_text', 'alpha');
+$limit = GETPOSTINT('limit') ?: $conf->liste_limit;
+$page = GETPOSTINT('page');
+$offset = $limit * $page;
+$sortfield = GETPOST('sortfield', 'aZ09comma');
+$sortorder = GETPOST('sortorder', 'aZ09comma');
+
+if (empty($sortfield)) {
+    $sortfield = 'article_number';
+}
+if (empty($sortorder)) {
+    $sortorder = 'ASC';
+}
+
+// Check supplier
+if ($fk_soc <= 0) {
+    header('Location: datanorm.php');
+    exit;
+}
+
+$supplier = new Societe($db);
+if ($supplier->fetch($fk_soc) <= 0) {
+    header('Location: datanorm.php');
+    exit;
+}
+
+// Objects
+$form = new Form($db);
+$datanorm = new Datanorm($db);
+
+/*
+ * View
+ */
+
+$title = $langs->trans('DatanormArticles').' - '.$supplier->name;
+llxHeader('', $title, '', '', 0, 0, '', '', '', 'mod-importzugferd page-datanorm-list');
+
+// Build SQL
+$sql = "SELECT rowid, article_number, short_text1, short_text2, ean,";
+$sql .= " manufacturer_ref, manufacturer_name, unit_code, price, price_unit,";
+$sql .= " discount_group, product_group";
+$sql .= " FROM ".MAIN_DB_PREFIX."importzugferd_datanorm";
+$sql .= " WHERE fk_soc = ".(int)$fk_soc;
+$sql .= " AND entity = ".(int)$conf->entity;
+$sql .= " AND active = 1";
+
+// Search filters
+if (!empty($search_article)) {
+    $sql .= " AND (article_number LIKE '%".$db->escape($search_article)."%'";
+    $sql .= " OR ean LIKE '%".$db->escape($search_article)."%'";
+    $sql .= " OR manufacturer_ref LIKE '%".$db->escape($search_article)."%')";
+}
+if (!empty($search_text)) {
+    $sql .= " AND (short_text1 LIKE '%".$db->escape($search_text)."%'";
+    $sql .= " OR short_text2 LIKE '%".$db->escape($search_text)."%')";
+}
+
+// Count total
+$sqlcount = preg_replace('/^SELECT .* FROM/', 'SELECT COUNT(*) as nb FROM', $sql);
+$resqlcount = $db->query($sqlcount);
+$total = 0;
+if ($resqlcount) {
+    $objcount = $db->fetch_object($resqlcount);
+    $total = $objcount->nb;
+}
+
+// Sort and limit
+$sql .= $db->order($sortfield, $sortorder);
+$sql .= $db->plimit($limit + 1, $offset);
+
+// Header with back link
+$linkback = '<a href="datanorm.php">'.$langs->trans("Back").'</a>';
+print load_fiche_titre($title, $linkback, 'fa-database');
+
+// Search form
+print '<form method="GET" action="'.$_SERVER['PHP_SELF'].'">';
+print '<input type="hidden" name="fk_soc" value="'.$fk_soc.'">';
+
+print '<div class="div-table-responsive-no-min">';
+print '<table class="noborder centpercent">';
+
+// Header row
+print '<tr class="liste_titre">';
+print_liste_field_titre('ArticleNumber', $_SERVER['PHP_SELF'], 'article_number', '', '&fk_soc='.$fk_soc, '', $sortfield, $sortorder);
+print_liste_field_titre('Description', $_SERVER['PHP_SELF'], 'short_text1', '', '&fk_soc='.$fk_soc, '', $sortfield, $sortorder);
+print_liste_field_titre('EAN', $_SERVER['PHP_SELF'], 'ean', '', '&fk_soc='.$fk_soc, '', $sortfield, $sortorder);
+print_liste_field_titre('Manufacturer', $_SERVER['PHP_SELF'], 'manufacturer_name', '', '&fk_soc='.$fk_soc, '', $sortfield, $sortorder);
+print_liste_field_titre('Price', $_SERVER['PHP_SELF'], 'price', '', '&fk_soc='.$fk_soc, 'class="right"', $sortfield, $sortorder);
+print_liste_field_titre('Unit', $_SERVER['PHP_SELF'], 'unit_code', '', '&fk_soc='.$fk_soc, 'class="center"', $sortfield, $sortorder);
+print '<td class="liste_titre"></td>';
+print '</tr>';
+
+// Search row
+print '<tr class="liste_titre">';
+print '<td><input type="text" name="search_article" value="'.dol_escape_htmltag($search_article).'" class="flat width150"></td>';
+print '<td><input type="text" name="search_text" value="'.dol_escape_htmltag($search_text).'" class="flat width200"></td>';
+print '<td></td>';
+print '<td></td>';
+print '<td></td>';
+print '<td></td>';
+print '<td class="center">';
+print '<input type="submit" class="button small" value="'.$langs->trans('Search').'">';
+print ' <a href="'.$_SERVER['PHP_SELF'].'?fk_soc='.$fk_soc.'" class="button small">'.$langs->trans('Reset').'</a>';
+print '</td>';
+print '</tr>';
+
+// Data rows
+$resql = $db->query($sql);
+if ($resql) {
+    $num = $db->num_rows($resql);
+    $i = 0;
+
+    while ($i < min($num, $limit)) {
+        $obj = $db->fetch_object($resql);
+
+        print '<tr class="oddeven">';
+
+        // Article number
+        print '<td class="nowrap">';
+        print '<strong>'.dol_escape_htmltag($obj->article_number).'</strong>';
+        print '</td>';
+
+        // Description
+        print '<td>';
+        print dol_escape_htmltag($obj->short_text1);
+        if (!empty($obj->short_text2)) {
+            print '<br><span class="opacitymedium small">'.dol_escape_htmltag($obj->short_text2).'</span>';
+        }
+        print '</td>';
+
+        // EAN
+        print '<td>';
+        if (!empty($obj->ean)) {
+            print '<span class="opacitymedium"><i class="fas fa-barcode paddingright"></i></span>';
+            print dol_escape_htmltag($obj->ean);
+        }
+        print '</td>';
+
+        // Manufacturer
+        print '<td>';
+        if (!empty($obj->manufacturer_name)) {
+            print dol_escape_htmltag($obj->manufacturer_name);
+        }
+        if (!empty($obj->manufacturer_ref)) {
+            print '<br><span class="opacitymedium small">'.dol_escape_htmltag($obj->manufacturer_ref).'</span>';
+        }
+        print '</td>';
+
+        // Price
+        print '<td class="right nowrap">';
+        $price = $obj->price;
+        if ($obj->price_unit > 1) {
+            print price($price).' / '.$obj->price_unit;
+        } else {
+            print price($price);
+        }
+        print '</td>';
+
+        // Unit
+        print '<td class="center">';
+        print dol_escape_htmltag($obj->unit_code);
+        print '</td>';
+
+        // Actions placeholder
+        print '<td class="center">';
+        print '</td>';
+
+        print '</tr>';
+
+        $i++;
+    }
+
+    if ($num == 0) {
+        print '<tr class="oddeven">';
+        print '<td colspan="7" class="opacitymedium center">'.$langs->trans('NoRecordsFound').'</td>';
+        print '</tr>';
+    }
+
+    $db->free($resql);
+} else {
+    dol_print_error($db);
+}
+
+print '</table>';
+print '</div>';
+
+print '</form>';
+
+// Pagination
+print_barre_liste('', $page, $_SERVER['PHP_SELF'], '&fk_soc='.$fk_soc.'&search_article='.urlencode($search_article).'&search_text='.urlencode($search_text), $sortfield, $sortorder, '', $num, $total, '', 0, '', '', $limit);
+
+// Stats
+print '<br>';
+print '<div class="opacitymedium">';
+print $langs->trans('TotalArticles').': <strong>'.$total.'</strong>';
+print '</div>';
+
+llxFooter();
+$db->close();

datanorm_update.php

@@ -0,0 +1,868 @@
+<?php
+/* Copyright (C) 2026 ZUGFeRD Import Module
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+/**
+ * \file    datanorm_update.php
+ * \ingroup importzugferd
+ * \brief   Mass update products from Datanorm catalogs
+ */
+
+// Load Dolibarr environment
+$res = 0;
+if (!$res && !empty($_SERVER["CONTEXT_DOCUMENT_ROOT"])) {
+    $res = @include $_SERVER["CONTEXT_DOCUMENT_ROOT"]."/main.inc.php";
+}
+$tmp = empty($_SERVER['SCRIPT_FILENAME']) ? '' : $_SERVER['SCRIPT_FILENAME'];
+$tmp2 = realpath(__FILE__);
+$i = strlen($tmp) - 1;
+$j = strlen($tmp2) - 1;
+while ($i > 0 && $j > 0 && isset($tmp[$i]) && isset($tmp2[$j]) && $tmp[$i] == $tmp2[$j]) {
+    $i--;
+    $j--;
+}
+if (!$res && $i > 0 && file_exists(substr($tmp, 0, ($i + 1))."/main.inc.php")) {
+    $res = @include substr($tmp, 0, ($i + 1))."/main.inc.php";
+}
+if (!$res && $i > 0 && file_exists(dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php")) {
+    $res = @include dirname(substr($tmp, 0, ($i + 1)))."/main.inc.php";
+}
+if (!$res && file_exists("../main.inc.php")) {
+    $res = @include "../main.inc.php";
+}
+if (!$res && file_exists("../../main.inc.php")) {
+    $res = @include "../../main.inc.php";
+}
+if (!$res && file_exists("../../../main.inc.php")) {
+    $res = @include "../../../main.inc.php";
+}
+if (!$res) {
+    die("Include of main fails");
+}
+
+require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
+require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
+require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
+dol_include_once('/importzugferd/class/datanorm.class.php');
+dol_include_once('/importzugferd/lib/importzugferd.lib.php');
+
+// Load translations
+$langs->loadLangs(array("importzugferd@importzugferd", "products", "bills"));
+
+// Security check
+if (!$user->hasRight('produit', 'creer')) {
+    accessforbidden();
+}
+
+// Get parameters
+$action = GETPOST('action', 'aZ09');
+$fk_soc = GETPOSTINT('fk_soc');
+$search_mode = GETPOST('search_mode', 'alpha') ?: 'supplier'; // supplier, manual
+$search_term = GETPOST('search_term', 'alphanohtml');
+$search_by_name = GETPOSTINT('search_by_name');
+$search_by_ean = GETPOSTINT('search_by_ean');
+$search_by_ref = GETPOSTINT('search_by_ref');
+
+// Filters for what to update
+$filter_price = GETPOSTISSET('filter_price') ? GETPOSTINT('filter_price') : 1;
+$filter_description = GETPOSTISSET('filter_description') ? GETPOSTINT('filter_description') : 1;
+$filter_label = GETPOSTISSET('filter_label') ? GETPOSTINT('filter_label') : 0;
+
+// Only show differences
+$only_differences = GETPOSTINT('only_differences');
+
+// Initialize objects
+$form = new Form($db);
+$formcompany = new FormCompany($db);
+$datanorm = new Datanorm($db);
+
+// Store pending changes in session
+if (!isset($_SESSION['datanorm_pending_changes'])) {
+    $_SESSION['datanorm_pending_changes'] = array();
+}
+
+/*
+ * Actions
+ */
+
+// Apply single row update
+if ($action == 'apply_single' && GETPOSTINT('product_id') && GETPOST('datanorm_key', 'alphanohtml')) {
+    $product_id = GETPOSTINT('product_id');
+    $datanorm_key = GETPOST('datanorm_key', 'alphanohtml');
+    $apply_price = GETPOSTINT('apply_price');
+    $apply_description = GETPOSTINT('apply_description');
+    $apply_label = GETPOSTINT('apply_label');
+
+    $result = applyDatanormUpdate($db, $user, $product_id, $datanorm_key, $fk_soc, $apply_price, $apply_description, $apply_label);
+
+    if ($result > 0) {
+        setEventMessages($langs->trans('ProductUpdated'), null, 'mesgs');
+    } else {
+        setEventMessages($langs->trans('ErrorUpdatingProduct'), null, 'errors');
+    }
+
+    // Redirect to same page with same parameters
+    header('Location: '.$_SERVER['PHP_SELF'].'?fk_soc='.$fk_soc.'&search_mode='.$search_mode.'&search_term='.urlencode($search_term).'&filter_price='.$filter_price.'&filter_description='.$filter_description.'&filter_label='.$filter_label.'&only_differences='.$only_differences);
+    exit;
+}
+
+// Add to pending changes
+if ($action == 'add_pending') {
+    $product_id = GETPOSTINT('product_id');
+    $datanorm_key = GETPOST('datanorm_key', 'alphanohtml');
+    $apply_fields = GETPOST('apply_fields', 'array');
+
+    if ($product_id > 0 && !empty($datanorm_key)) {
+        $_SESSION['datanorm_pending_changes'][$product_id] = array(
+            'datanorm_key' => $datanorm_key,
+            'fk_soc' => $fk_soc,
+            'apply_fields' => $apply_fields
+        );
+        setEventMessages($langs->trans('AddedToPendingChanges'), null, 'mesgs');
+    }
+}
+
+// Remove from pending
+if ($action == 'remove_pending') {
+    $product_id = GETPOSTINT('product_id');
+    unset($_SESSION['datanorm_pending_changes'][$product_id]);
+}
+
+// Clear all pending
+if ($action == 'clear_pending') {
+    $_SESSION['datanorm_pending_changes'] = array();
+    setEventMessages($langs->trans('PendingChangesCleared'), null, 'mesgs');
+}
+
+// Show confirmation dialog
+if ($action == 'confirm_apply_all') {
+    // Will be handled in view section
+}
+
+// Apply all pending changes
+if ($action == 'apply_all_confirmed' && GETPOST('confirm', 'alpha') == 'yes') {
+    $success = 0;
+    $errors = 0;
+
+    foreach ($_SESSION['datanorm_pending_changes'] as $product_id => $change) {
+        $apply_price = in_array('price', $change['apply_fields']) ? 1 : 0;
+        $apply_description = in_array('description', $change['apply_fields']) ? 1 : 0;
+        $apply_label = in_array('label', $change['apply_fields']) ? 1 : 0;
+
+        $result = applyDatanormUpdate($db, $user, $product_id, $change['datanorm_key'], $change['fk_soc'], $apply_price, $apply_description, $apply_label);
+
+        if ($result > 0) {
+            $success++;
+        } else {
+            $errors++;
+        }
+    }
+
+    $_SESSION['datanorm_pending_changes'] = array();
+    setEventMessages($langs->trans('DatanormMassUpdateComplete', $success, $errors), null, 'mesgs');
+
+    header('Location: '.$_SERVER['PHP_SELF']);
+    exit;
+}
+
+/*
+ * View
+ */
+
+$title = $langs->trans('DatanormMassUpdate');
+llxHeader('', $title, '', '', 0, 0, '', '', '', 'mod-importzugferd page-datanorm-update');
+
+print load_fiche_titre($title, '', 'fa-sync');
+
+// Check if Datanorm data exists
+$sql = "SELECT COUNT(*) as cnt FROM ".MAIN_DB_PREFIX."importzugferd_datanorm";
+$resql = $db->query($sql);
+$obj = $db->fetch_object($resql);
+if ($obj->cnt == 0) {
+    print '<div class="warning">'.$langs->trans('NoDatanormData').'</div>';
+    print '<br><a href="'.dol_buildpath('/importzugferd/datanorm.php', 1).'" class="button">'.$langs->trans('UploadDatanorm').'</a>';
+    llxFooter();
+    $db->close();
+    exit;
+}
+
+// Search form
+print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'" name="searchform">';
+print '<input type="hidden" name="token" value="'.newToken().'">';
+print '<input type="hidden" name="action" value="search">';
+
+print '<div class="fichecenter">';
+print '<div class="div-table-responsive-no-min">';
+print '<table class="noborder centpercent">';
+
+// Supplier selection
+print '<tr class="liste_titre">';
+print '<td colspan="4">'.$langs->trans('SelectSupplier').'</td>';
+print '</tr>';
+
+print '<tr class="oddeven">';
+print '<td class="titlefield">'.$langs->trans('Supplier').'</td>';
+print '<td colspan="3">';
+// Get suppliers with Datanorm data
+$sql = "SELECT DISTINCT s.rowid, s.nom FROM ".MAIN_DB_PREFIX."societe s";
+$sql .= " INNER JOIN ".MAIN_DB_PREFIX."importzugferd_datanorm d ON d.fk_soc = s.rowid";
+$sql .= " WHERE s.fournisseur = 1";
+$sql .= " ORDER BY s.nom";
+$resql = $db->query($sql);
+print '<select name="fk_soc" class="flat minwidth300" onchange="this.form.submit()">';
+print '<option value="">'.$langs->trans('SelectASupplier').'</option>';
+while ($obj = $db->fetch_object($resql)) {
+    $selected = ($obj->rowid == $fk_soc) ? 'selected' : '';
+    print '<option value="'.$obj->rowid.'" '.$selected.'>'.dol_escape_htmltag($obj->nom).'</option>';
+}
+print '</select>';
+print '</td>';
+print '</tr>';
+
+// Search mode
+print '<tr class="oddeven">';
+print '<td>'.$langs->trans('SearchMode').'</td>';
+print '<td colspan="3">';
+print '<input type="radio" name="search_mode" value="supplier" id="mode_supplier" '.($search_mode == 'supplier' ? 'checked' : '').'>';
+print '<label for="mode_supplier"> '.$langs->trans('SearchBySupplierProducts').'</label>';
+print ' &nbsp; &nbsp; ';
+print '<input type="radio" name="search_mode" value="manual" id="mode_manual" '.($search_mode == 'manual' ? 'checked' : '').'>';
+print '<label for="mode_manual"> '.$langs->trans('ManualSearch').'</label>';
+print '</td>';
+print '</tr>';
+
+// Manual search term
+print '<tr class="oddeven" id="manual_search_row" style="'.($search_mode != 'manual' ? 'display:none;' : '').'">';
+print '<td>'.$langs->trans('SearchTerm').'</td>';
+print '<td colspan="3">';
+print '<input type="text" name="search_term" value="'.dol_escape_htmltag($search_term).'" class="minwidth300" placeholder="'.$langs->trans('ArticleNumberOrName').'">';
+print '</td>';
+print '</tr>';
+
+// Additional search options
+print '<tr class="oddeven">';
+print '<td>'.$langs->trans('AdditionalSearchOptions').'</td>';
+print '<td colspan="3">';
+print '<input type="checkbox" name="search_by_name" value="1" id="search_by_name" '.($search_by_name ? 'checked' : '').'>';
+print '<label for="search_by_name"> '.$langs->trans('AlsoSearchByName').'</label>';
+print ' &nbsp; ';
+print '<input type="checkbox" name="search_by_ean" value="1" id="search_by_ean" '.($search_by_ean ? 'checked' : '').'>';
+print '<label for="search_by_ean"> '.$langs->trans('AlsoSearchByEAN').'</label>';
+print ' &nbsp; ';
+print '<input type="checkbox" name="search_by_ref" value="1" id="search_by_ref" '.($search_by_ref ? 'checked' : '').'>';
+print '<label for="search_by_ref"> '.$langs->trans('AlsoSearchByRef').'</label>';
+print '</td>';
+print '</tr>';
+
+// Filter: What to compare/update
+print '<tr class="liste_titre">';
+print '<td colspan="4">'.$langs->trans('FieldsToCompare').'</td>';
+print '</tr>';
+
+print '<tr class="oddeven">';
+print '<td>'.$langs->trans('Fields').'</td>';
+print '<td colspan="3">';
+print '<input type="checkbox" name="filter_price" value="1" id="filter_price" '.($filter_price ? 'checked' : '').'>';
+print '<label for="filter_price"> '.$langs->trans('Price').'</label>';
+print ' &nbsp; ';
+print '<input type="checkbox" name="filter_description" value="1" id="filter_description" '.($filter_description ? 'checked' : '').'>';
+print '<label for="filter_description"> '.$langs->trans('Description').'</label>';
+print ' &nbsp; ';
+print '<input type="checkbox" name="filter_label" value="1" id="filter_label" '.($filter_label ? 'checked' : '').'>';
+print '<label for="filter_label"> '.$langs->trans('Label').'</label>';
+print '</td>';
+print '</tr>';
+
+// Only show differences
+print '<tr class="oddeven">';
+print '<td>'.$langs->trans('Display').'</td>';
+print '<td colspan="3">';
+print '<input type="checkbox" name="only_differences" value="1" id="only_differences" '.($only_differences ? 'checked' : '').'>';
+print '<label for="only_differences"> '.$langs->trans('OnlyShowDifferences').'</label>';
+print '</td>';
+print '</tr>';
+
+print '</table>';
+print '</div>';
+print '</div>';
+
+print '<div class="center" style="margin: 10px;">';
+print '<input type="submit" class="button button-primary" value="'.$langs->trans('Search').'">';
+if (!empty($_SESSION['datanorm_pending_changes'])) {
+    print ' &nbsp; <a href="'.$_SERVER['PHP_SELF'].'?action=clear_pending&token='.newToken().'" class="button">'.$langs->trans('ClearPendingChanges').' ('.count($_SESSION['datanorm_pending_changes']).')</a>';
+}
+print '</div>';
+
+print '</form>';
+
+// JavaScript for toggling manual search
+print '<script>
+document.querySelectorAll("input[name=search_mode]").forEach(function(radio) {
+    radio.addEventListener("change", function() {
+        document.getElementById("manual_search_row").style.display = (this.value == "manual") ? "" : "none";
+    });
+});
+</script>';
+
+// Results
+if ($fk_soc > 0 && ($action == 'search' || GETPOST('search_mode'))) {
+    $comparison_results = array();
+
+    if ($search_mode == 'supplier') {
+        // Find all products linked to this supplier
+        $comparison_results = findProductsForSupplier($db, $fk_soc, $search_by_name, $search_by_ean, $search_by_ref);
+    } elseif ($search_mode == 'manual' && !empty($search_term)) {
+        // Manual search in Datanorm
+        $comparison_results = searchDatanormProducts($db, $fk_soc, $search_term, $search_by_name, $search_by_ean, $search_by_ref);
+    }
+
+    // Filter results if needed
+    if ($only_differences) {
+        $comparison_results = array_filter($comparison_results, function($item) use ($filter_price, $filter_description, $filter_label) {
+            return ($filter_price && $item['price_differs']) ||
+                   ($filter_description && $item['description_differs']) ||
+                   ($filter_label && $item['label_differs']);
+        });
+    }
+
+    if (!empty($comparison_results)) {
+        print '<br>';
+        print '<div class="div-table-responsive">';
+        print '<table class="noborder centpercent">';
+
+        // Header
+        print '<tr class="liste_titre">';
+        print '<th>'.$langs->trans('Product').'</th>';
+        print '<th>'.$langs->trans('DatanormArticle').'</th>';
+        if ($filter_price) {
+            print '<th class="right">'.$langs->trans('CurrentPrice').'</th>';
+            print '<th class="right">'.$langs->trans('DatanormPrice').'</th>';
+        }
+        if ($filter_description) {
+            print '<th>'.$langs->trans('CurrentDescription').'</th>';
+            print '<th>'.$langs->trans('DatanormDescription').'</th>';
+        }
+        if ($filter_label) {
+            print '<th>'.$langs->trans('CurrentLabel').'</th>';
+            print '<th>'.$langs->trans('DatanormLabel').'</th>';
+        }
+        print '<th class="center">'.$langs->trans('Actions').'</th>';
+        print '</tr>';
+
+        foreach ($comparison_results as $item) {
+            $has_difference = ($filter_price && $item['price_differs']) ||
+                              ($filter_description && $item['description_differs']) ||
+                              ($filter_label && $item['label_differs']);
+
+            $rowClass = $has_difference ? 'oddeven highlighted' : 'oddeven';
+
+            print '<tr class="'.$rowClass.'">';
+
+            // Product
+            print '<td>';
+            if ($item['product_id'] > 0) {
+                $product = new Product($db);
+                $product->fetch($item['product_id']);
+                print $product->getNomUrl(1, '', 0, 0, 0, 1, 1); // Open in new tab
+                print '<br><span class="opacitymedium">'.$product->ref.'</span>';
+            } else {
+                print '<span class="opacitymedium">'.$langs->trans('ProductNotInDatabase').'</span>';
+            }
+            print '</td>';
+
+            // Datanorm article
+            print '<td>';
+            print '<strong>'.dol_escape_htmltag($item['datanorm_ref']).'</strong>';
+            print '<br><span class="opacitymedium">'.dol_escape_htmltag(dol_trunc($item['datanorm_name'], 50)).'</span>';
+            print '</td>';
+
+            // Price comparison
+            if ($filter_price) {
+                $priceStyle = $item['price_differs'] ? 'background-color: #fcf8e3;' : '';
+                print '<td class="right nowraponall" style="'.$priceStyle.'">';
+                if ($item['product_id'] > 0) {
+                    print price($item['current_price']);
+                } else {
+                    print '-';
+                }
+                print '</td>';
+                print '<td class="right nowraponall" style="'.$priceStyle.'">';
+                print price($item['datanorm_price']);
+                if ($item['price_differs'] && $item['product_id'] > 0) {
+                    $diff = $item['datanorm_price'] - $item['current_price'];
+                    $diffPercent = ($item['current_price'] > 0) ? ($diff / $item['current_price'] * 100) : 0;
+                    print '<br>';
+                    if ($diff > 0) {
+                        print '<span style="color: #d9534f;"><i class="fas fa-arrow-up"></i> +'.number_format($diffPercent, 1).'%</span>';
+                    } else {
+                        print '<span style="color: #5cb85c;"><i class="fas fa-arrow-down"></i> '.number_format($diffPercent, 1).'%</span>';
+                    }
+                }
+                print '</td>';
+            }
+
+            // Description comparison
+            if ($filter_description) {
+                $descStyle = $item['description_differs'] ? 'background-color: #fcf8e3;' : '';
+                print '<td style="'.$descStyle.'">';
+                print dol_escape_htmltag(dol_trunc($item['current_description'], 80));
+                print '</td>';
+                print '<td style="'.$descStyle.'">';
+                print dol_escape_htmltag(dol_trunc($item['datanorm_description'], 80));
+                print '</td>';
+            }
+
+            // Label comparison
+            if ($filter_label) {
+                $labelStyle = $item['label_differs'] ? 'background-color: #fcf8e3;' : '';
+                print '<td style="'.$labelStyle.'">';
+                print dol_escape_htmltag($item['current_label']);
+                print '</td>';
+                print '<td style="'.$labelStyle.'">';
+                print dol_escape_htmltag($item['datanorm_label']);
+                print '</td>';
+            }
+
+            // Actions
+            print '<td class="center nowraponall">';
+            if ($item['product_id'] > 0 && $has_difference) {
+                // Quick apply form
+                print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'" style="display:inline;">';
+                print '<input type="hidden" name="token" value="'.newToken().'">';
+                print '<input type="hidden" name="action" value="apply_single">';
+                print '<input type="hidden" name="product_id" value="'.$item['product_id'].'">';
+                print '<input type="hidden" name="datanorm_key" value="'.dol_escape_htmltag($item['datanorm_key']).'">';
+                print '<input type="hidden" name="fk_soc" value="'.$fk_soc.'">';
+                print '<input type="hidden" name="search_mode" value="'.$search_mode.'">';
+                print '<input type="hidden" name="search_term" value="'.dol_escape_htmltag($search_term).'">';
+                print '<input type="hidden" name="filter_price" value="'.$filter_price.'">';
+                print '<input type="hidden" name="filter_description" value="'.$filter_description.'">';
+                print '<input type="hidden" name="filter_label" value="'.$filter_label.'">';
+                print '<input type="hidden" name="only_differences" value="'.$only_differences.'">';
+
+                // Checkboxes for what to apply
+                if ($filter_price && $item['price_differs']) {
+                    print '<input type="checkbox" name="apply_price" value="1" checked title="'.$langs->trans('Price').'">';
+                    print '<span class="opacitymedium">P</span> ';
+                }
+                if ($filter_description && $item['description_differs']) {
+                    print '<input type="checkbox" name="apply_description" value="1" checked title="'.$langs->trans('Description').'">';
+                    print '<span class="opacitymedium">D</span> ';
+                }
+                if ($filter_label && $item['label_differs']) {
+                    print '<input type="checkbox" name="apply_label" value="1" checked title="'.$langs->trans('Label').'">';
+                    print '<span class="opacitymedium">L</span> ';
+                }
+
+                print '<button type="submit" class="button smallpaddingimp" title="'.$langs->trans('ApplyChanges').'">';
+                print '<i class="fas fa-check"></i>';
+                print '</button>';
+                print '</form>';
+
+                // Add to pending
+                $isPending = isset($_SESSION['datanorm_pending_changes'][$item['product_id']]);
+                if (!$isPending) {
+                    print ' <a href="'.$_SERVER['PHP_SELF'].'?action=add_pending&product_id='.$item['product_id'].'&datanorm_key='.urlencode($item['datanorm_key']).'&fk_soc='.$fk_soc.'&apply_fields[]=price&apply_fields[]=description&apply_fields[]=label&token='.newToken().'" class="button smallpaddingimp" title="'.$langs->trans('AddToPending').'">';
+                    print '<i class="fas fa-plus"></i>';
+                    print '</a>';
+                } else {
+                    print ' <span class="badge badge-status4">'.$langs->trans('Pending').'</span>';
+                }
+            } elseif ($item['product_id'] == 0) {
+                // Create product link
+                print '<a href="'.dol_buildpath('/product/card.php', 1).'?action=create&type=0" class="button smallpaddingimp" title="'.$langs->trans('CreateProduct').'" target="_blank">';
+                print '<i class="fas fa-plus"></i>';
+                print '</a>';
+            } else {
+                print '<span class="opacitymedium">'.$langs->trans('NoChanges').'</span>';
+            }
+            print '</td>';
+
+            print '</tr>';
+        }
+
+        print '</table>';
+        print '</div>';
+
+        // Summary and mass apply button
+        $pendingCount = count($_SESSION['datanorm_pending_changes']);
+        if ($pendingCount > 0) {
+            print '<br>';
+            print '<div class="center">';
+            print '<a href="'.$_SERVER['PHP_SELF'].'?action=confirm_apply_all&token='.newToken().'" class="button button-primary">';
+            print '<i class="fas fa-check-double paddingright"></i>'.$langs->trans('ApplyAllPendingChanges').' ('.$pendingCount.')';
+            print '</a>';
+            print '</div>';
+        }
+
+    } else {
+        print '<br><div class="opacitymedium center">'.$langs->trans('NoResultsFound').'</div>';
+    }
+}
+
+// Confirmation dialog for mass apply
+if ($action == 'confirm_apply_all' && !empty($_SESSION['datanorm_pending_changes'])) {
+    print '<br><br>';
+    print '<div class="confirmmessage">';
+    print '<h3>'.$langs->trans('ConfirmMassUpdate').'</h3>';
+    print '<p>'.$langs->trans('FollowingProductsWillBeUpdated').':</p>';
+
+    print '<table class="noborder centpercent">';
+    print '<tr class="liste_titre">';
+    print '<th>'.$langs->trans('Product').'</th>';
+    print '<th>'.$langs->trans('Changes').'</th>';
+    print '</tr>';
+
+    foreach ($_SESSION['datanorm_pending_changes'] as $product_id => $change) {
+        $product = new Product($db);
+        $product->fetch($product_id);
+
+        print '<tr class="oddeven">';
+        print '<td>'.$product->getNomUrl(1).' - '.$product->label.'</td>';
+        print '<td>';
+        $changes = array();
+        if (in_array('price', $change['apply_fields'])) $changes[] = $langs->trans('Price');
+        if (in_array('description', $change['apply_fields'])) $changes[] = $langs->trans('Description');
+        if (in_array('label', $change['apply_fields'])) $changes[] = $langs->trans('Label');
+        print implode(', ', $changes);
+        print '</td>';
+        print '</tr>';
+    }
+
+    print '</table>';
+
+    print '<br>';
+    print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'">';
+    print '<input type="hidden" name="token" value="'.newToken().'">';
+    print '<input type="hidden" name="action" value="apply_all_confirmed">';
+    print '<input type="hidden" name="confirm" value="yes">';
+    print '<div class="center">';
+    print '<input type="submit" class="button button-primary" value="'.$langs->trans('Confirm').'">';
+    print ' &nbsp; ';
+    print '<a href="'.$_SERVER['PHP_SELF'].'" class="button">'.$langs->trans('Cancel').'</a>';
+    print '</div>';
+    print '</form>';
+
+    print '</div>';
+}
+
+print '<style>
+.highlighted { background-color: #fff3cd !important; }
+.confirmmessage { background: #f8f9fa; padding: 20px; border: 1px solid #dee2e6; border-radius: 5px; }
+</style>';
+
+llxFooter();
+$db->close();
+
+/*
+ * Helper functions
+ */
+
+/**
+ * Find products linked to a supplier and compare with Datanorm
+ */
+function findProductsForSupplier($db, $fk_soc, $search_by_name = 0, $search_by_ean = 0, $search_by_ref = 0)
+{
+    global $conf;
+
+    $results = array();
+
+    // Get all supplier products
+    $sql = "SELECT DISTINCT pf.fk_product, pf.ref_fourn, pf.price as fourn_price, p.ref, p.label, p.description, p.barcode";
+    $sql .= " FROM ".MAIN_DB_PREFIX."product_fournisseur_price pf";
+    $sql .= " INNER JOIN ".MAIN_DB_PREFIX."product p ON p.rowid = pf.fk_product";
+    $sql .= " WHERE pf.fk_soc = ".((int)$fk_soc);
+    $sql .= " AND pf.entity IN (".getEntity('product').")";
+
+    $resql = $db->query($sql);
+    if ($resql) {
+        while ($obj = $db->fetch_object($resql)) {
+            // Try to find matching Datanorm article
+            $datanorm = findDatanormMatch($db, $fk_soc, $obj->ref_fourn, $obj->label, $obj->barcode, $obj->ref, $search_by_name, $search_by_ean, $search_by_ref);
+
+            if ($datanorm) {
+                $results[] = buildComparisonResult($obj, $datanorm);
+            }
+        }
+    }
+
+    return $results;
+}
+
+/**
+ * Search Datanorm products manually
+ */
+function searchDatanormProducts($db, $fk_soc, $search_term, $search_by_name = 0, $search_by_ean = 0, $search_by_ref = 0)
+{
+    global $conf;
+
+    $results = array();
+
+    // Search in Datanorm
+    $sql = "SELECT d.* FROM ".MAIN_DB_PREFIX."importzugferd_datanorm d";
+    $sql .= " WHERE d.fk_soc = ".((int)$fk_soc);
+    $sql .= " AND (d.article_number LIKE '%".$db->escape($search_term)."%'";
+    $sql .= " OR d.short_text1 LIKE '%".$db->escape($search_term)."%'";
+    $sql .= " OR d.short_text2 LIKE '%".$db->escape($search_term)."%'";
+    if ($search_by_ean) {
+        $sql .= " OR d.ean LIKE '%".$db->escape($search_term)."%'";
+    }
+    $sql .= ")";
+    $sql .= " ORDER BY d.article_number";
+    $sql .= " LIMIT 100";
+
+    $resql = $db->query($sql);
+    if ($resql) {
+        while ($datanorm = $db->fetch_object($resql)) {
+            // Try to find matching product in database
+            $product = findProductMatch($db, $fk_soc, $datanorm);
+
+            $results[] = array(
+                'product_id' => $product ? $product->rowid : 0,
+                'current_price' => $product ? getSupplierPrice($db, $product->rowid, $fk_soc) : 0,
+                'current_description' => $product ? $product->description : '',
+                'current_label' => $product ? $product->label : '',
+                'datanorm_key' => $datanorm->article_number,
+                'datanorm_ref' => $datanorm->article_number,
+                'datanorm_name' => $datanorm->short_text1,
+                'datanorm_price' => $datanorm->price,
+                'datanorm_description' => trim($datanorm->short_text1.' '.$datanorm->short_text2),
+                'datanorm_label' => $datanorm->short_text1,
+                'price_differs' => $product && abs(getSupplierPrice($db, $product->rowid, $fk_soc) - $datanorm->price) > 0.01,
+                'description_differs' => $product && $product->description != trim($datanorm->short_text1.' '.$datanorm->short_text2),
+                'label_differs' => $product && $product->label != $datanorm->short_text1,
+            );
+        }
+    }
+
+    return $results;
+}
+
+/**
+ * Find Datanorm match for a product
+ */
+function findDatanormMatch($db, $fk_soc, $ref_fourn, $label, $barcode, $ref, $search_by_name, $search_by_ean, $search_by_ref)
+{
+    // First try by supplier reference (article number)
+    $sql = "SELECT * FROM ".MAIN_DB_PREFIX."importzugferd_datanorm";
+    $sql .= " WHERE fk_soc = ".((int)$fk_soc);
+    $sql .= " AND article_number = '".$db->escape($ref_fourn)."'";
+    $sql .= " LIMIT 1";
+
+    $resql = $db->query($sql);
+    if ($resql && $db->num_rows($resql) > 0) {
+        return $db->fetch_object($resql);
+    }
+
+    // Try by EAN if enabled
+    if ($search_by_ean && !empty($barcode)) {
+        $sql = "SELECT * FROM ".MAIN_DB_PREFIX."importzugferd_datanorm";
+        $sql .= " WHERE fk_soc = ".((int)$fk_soc);
+        $sql .= " AND ean = '".$db->escape($barcode)."'";
+        $sql .= " LIMIT 1";
+
+        $resql = $db->query($sql);
+        if ($resql && $db->num_rows($resql) > 0) {
+            return $db->fetch_object($resql);
+        }
+    }
+
+    // Try by product ref if enabled
+    if ($search_by_ref && !empty($ref)) {
+        $sql = "SELECT * FROM ".MAIN_DB_PREFIX."importzugferd_datanorm";
+        $sql .= " WHERE fk_soc = ".((int)$fk_soc);
+        $sql .= " AND article_number = '".$db->escape($ref)."'";
+        $sql .= " LIMIT 1";
+
+        $resql = $db->query($sql);
+        if ($resql && $db->num_rows($resql) > 0) {
+            return $db->fetch_object($resql);
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Find product match for Datanorm article
+ */
+function findProductMatch($db, $fk_soc, $datanorm)
+{
+    // Try by supplier reference
+    $sql = "SELECT p.* FROM ".MAIN_DB_PREFIX."product p";
+    $sql .= " INNER JOIN ".MAIN_DB_PREFIX."product_fournisseur_price pf ON pf.fk_product = p.rowid";
+    $sql .= " WHERE pf.fk_soc = ".((int)$fk_soc);
+    $sql .= " AND pf.ref_fourn = '".$db->escape($datanorm->article_number)."'";
+    $sql .= " LIMIT 1";
+
+    $resql = $db->query($sql);
+    if ($resql && $db->num_rows($resql) > 0) {
+        return $db->fetch_object($resql);
+    }
+
+    // Try by EAN
+    if (!empty($datanorm->ean)) {
+        $sql = "SELECT * FROM ".MAIN_DB_PREFIX."product";
+        $sql .= " WHERE barcode = '".$db->escape($datanorm->ean)."'";
+        $sql .= " LIMIT 1";
+
+        $resql = $db->query($sql);
+        if ($resql && $db->num_rows($resql) > 0) {
+            return $db->fetch_object($resql);
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Get supplier price for a product
+ */
+function getSupplierPrice($db, $product_id, $fk_soc)
+{
+    $sql = "SELECT price FROM ".MAIN_DB_PREFIX."product_fournisseur_price";
+    $sql .= " WHERE fk_product = ".((int)$product_id);
+    $sql .= " AND fk_soc = ".((int)$fk_soc);
+    $sql .= " ORDER BY rowid DESC LIMIT 1";
+
+    $resql = $db->query($sql);
+    if ($resql && $db->num_rows($resql) > 0) {
+        $obj = $db->fetch_object($resql);
+        return $obj->price;
+    }
+    return 0;
+}
+
+/**
+ * Build comparison result array
+ */
+function buildComparisonResult($product, $datanorm)
+{
+    global $db;
+
+    $fk_soc = $datanorm->fk_soc;
+    $current_price = $product->fourn_price;
+
+    return array(
+        'product_id' => $product->fk_product,
+        'current_price' => $current_price,
+        'current_description' => $product->description,
+        'current_label' => $product->label,
+        'datanorm_key' => $datanorm->article_number,
+        'datanorm_ref' => $datanorm->article_number,
+        'datanorm_name' => $datanorm->short_text1,
+        'datanorm_price' => $datanorm->price,
+        'datanorm_description' => trim($datanorm->short_text1.' '.$datanorm->short_text2),
+        'datanorm_label' => $datanorm->short_text1,
+        'price_differs' => abs($current_price - $datanorm->price) > 0.01,
+        'description_differs' => $product->description != trim($datanorm->short_text1.' '.$datanorm->short_text2),
+        'label_differs' => $product->label != $datanorm->short_text1,
+    );
+}
+
+/**
+ * Apply Datanorm update to a product
+ */
+function applyDatanormUpdate($db, $user, $product_id, $datanorm_key, $fk_soc, $apply_price, $apply_description, $apply_label)
+{
+    // Get Datanorm data
+    $sql = "SELECT * FROM ".MAIN_DB_PREFIX."importzugferd_datanorm";
+    $sql .= " WHERE fk_soc = ".((int)$fk_soc);
+    $sql .= " AND article_number = '".$db->escape($datanorm_key)."'";
+
+    $resql = $db->query($sql);
+    if (!$resql || $db->num_rows($resql) == 0) {
+        return -1;
+    }
+
+    $datanorm = $db->fetch_object($resql);
+
+    // Load product
+    $product = new Product($db);
+    $result = $product->fetch($product_id);
+    if ($result <= 0) {
+        return -2;
+    }
+
+    $updated = false;
+
+    // Update label
+    if ($apply_label && $product->label != $datanorm->short_text1) {
+        $product->label = $datanorm->short_text1;
+        $updated = true;
+    }
+
+    // Update description
+    if ($apply_description) {
+        $new_desc = trim($datanorm->short_text1.' '.$datanorm->short_text2);
+        if ($product->description != $new_desc) {
+            $product->description = $new_desc;
+            $updated = true;
+        }
+    }
+
+    // Save product changes
+    if ($updated) {
+        $result = $product->update($product->id, $user);
+        if ($result < 0) {
+            return -3;
+        }
+    }
+
+    // Update supplier price
+    if ($apply_price) {
+        $productFourn = new ProductFournisseur($db);
+        $productFourn->fetch($product_id);
+
+        // Find existing supplier price
+        $sql = "SELECT rowid, quantity FROM ".MAIN_DB_PREFIX."product_fournisseur_price";
+        $sql .= " WHERE fk_product = ".((int)$product_id);
+        $sql .= " AND fk_soc = ".((int)$fk_soc);
+        $sql .= " ORDER BY rowid DESC LIMIT 1";
+
+        $resql = $db->query($sql);
+        if ($resql && $db->num_rows($resql) > 0) {
+            $priceObj = $db->fetch_object($resql);
+
+            // Update existing price
+            $result = $productFourn->update_buyprice(
+                $priceObj->quantity,
+                $datanorm->price,
+                $user,
+                'HT',
+                $fk_soc,
+                0, // availability
+                $datanorm->article_number, // ref_fourn
+                0, // tva_tx
+                0, // charges
+                0, // remise_percent
+                0, // remise
+                0, // newnpr
+                0, // delivery_time_days
+                '', // supplier_reputation
+                array(), // localtaxes
+                '', // newdefaultvatcode
+                0, // multicurrency_buyprice
+                '', // multicurrency_price_base_type
+                0, // multicurrency_tx
+                '', // multicurrency_code
+                '', // desc_fourn
+                '', // barcode
+                0, // fk_barcode_type
+                array() // options
+            );
+
+            if ($result < 0) {
+                return -4;
+            }
+        }
+    }
+
+    return 1;
+}

import.php

@@ -56,6 +56,9 @@ dol_include_once('/importzugferd/class/zugferdimport.class.php');
 dol_include_once('/importzugferd/class/importline.class.php');
 dol_include_once('/importzugferd/class/productmapping.class.php');
 dol_include_once('/importzugferd/class/actions_importzugferd.class.php');
+dol_include_once('/importzugferd/class/datanorm.class.php');
+dol_include_once('/importzugferd/class/datanormparser.class.php');
+dol_include_once('/importzugferd/class/importnotification.class.php');
 dol_include_once('/importzugferd/lib/importzugferd.lib.php');
 
 // Load translation files
@@ -81,6 +84,7 @@ $formfile = new FormFile($db);
 $actions = new ActionsImportZugferd($db);
 $import = new ZugferdImport($db);
 $importLine = new ImportLine($db);
+$notification = new ImportNotification($db);
 
 $error = 0;
 $message = '';
@@ -160,15 +164,19 @@ if ($action == 'upload') {
 
                         // Check if all lines have products
                         $all_have_products = true;
+                        $has_any_product = false;
+                        $total_lines = count($processed_lines);
                         foreach ($processed_lines as $line) {
                             if ($line['fk_product'] <= 0) {
                                 $all_have_products = false;
-                                break;
+                            } else {
+                                $has_any_product = true;
                             }
                         }
 
                         // Set status based on product matching
-                        if ($all_have_products && $supplier_id > 0) {
+                        // STATUS_IMPORTED only if: supplier found, has lines, ALL lines have products
+                        if ($all_have_products && $supplier_id > 0 && $total_lines > 0 && $has_any_product) {
                             $import->status = ZugferdImport::STATUS_IMPORTED;
                         } else {
                             $import->status = ZugferdImport::STATUS_PENDING;
@@ -207,6 +215,18 @@ if ($action == 'upload') {
                             }
                             rename($destfile, $final_dir.'/'.$filename);
 
+                            // Send notification if manual intervention required
+                            if ($import->status == ZugferdImport::STATUS_PENDING) {
+                                $storedLines = $importLine->fetchAllByImport($import->id);
+                                $notification->sendManualInterventionNotification($import, $storedLines);
+                            }
+
+                            // Check for price differences
+                            if ($import->status == ZugferdImport::STATUS_IMPORTED) {
+                                $storedLines = $importLine->fetchAllByImport($import->id);
+                                $notification->checkAndNotifyPriceDifferences($import, $storedLines);
+                            }
+
                             // Redirect to edit page
                             $id = $import->id;
                             $action = 'edit';
@@ -215,6 +235,8 @@ if ($action == 'upload') {
                             $error++;
                             $message = $import->error;
                             @unlink($destfile);
+                            // Send error notification
+                            $notification->sendErrorNotification($import, $message, $filename);
                         }
                     } else {
                         $error++;
@@ -270,6 +292,10 @@ if ($action == 'assignproduct' && $line_id > 0 && $product_id > 0) {
             if ($import->status == ZugferdImport::STATUS_PENDING) {
                 $import->status = ZugferdImport::STATUS_IMPORTED;
                 $import->update($user);
+
+                // Check for price differences now that all products are assigned
+                $storedLines = $importLine->fetchAllByImport($id);
+                $notification->checkAndNotifyPriceDifferences($import, $storedLines);
             }
         }
     }
@@ -368,6 +394,345 @@ if ($action == 'duplicateproduct' && $template_product_id > 0 && $line_id > 0) {
     $import->fetch($id);
 }
 
+// Create product from Datanorm
+if ($action == 'createfromdatanorm' && $line_id > 0) {
+    $lineObj = new ImportLine($db);
+    $result = $lineObj->fetch($line_id);
+
+    if ($result > 0) {
+        $id = $lineObj->fk_import;
+        $import->fetch($id);
+
+        // Get Datanorm settings
+        $markup = getDolGlobalString('IMPORTZUGFERD_DATANORM_MARKUP', 30);
+        $searchAll = getDolGlobalString('IMPORTZUGFERD_DATANORM_SEARCH_ALL', 0);
+
+        // Search in Datanorm database
+        $datanorm = new Datanorm($db);
+        $results = $datanorm->searchByArticleNumber($lineObj->supplier_ref, $import->fk_soc, $searchAll, 1);
+
+        if (empty($results)) {
+            // Try with EAN if available
+            if (!empty($lineObj->ean)) {
+                $results = $datanorm->searchByArticleNumber($lineObj->ean, $import->fk_soc, $searchAll, 1);
+            }
+        }
+
+        if (!empty($results)) {
+            $datanormArticle = $results[0];
+            $datanorm->fetch($datanormArticle['id']);
+
+            // Load supplier for ref prefix
+            $supplier = new Societe($db);
+            $supplier->fetch($import->fk_soc);
+            $supplierPrefix = strtoupper(substr(preg_replace('/[^a-zA-Z]/', '', $supplier->name), 0, 3));
+
+            // Create new product
+            $newproduct = new Product($db);
+            $newproduct->type = 0; // Product
+            $newproduct->status = 1; // On sale
+            $newproduct->status_buy = 1; // On purchase
+
+            // Generate reference
+            $newproduct->ref = 'NEW-'.$supplierPrefix.'-'.$datanorm->article_number;
+
+            // Label from Datanorm
+            $newproduct->label = $datanorm->short_text1;
+            if (!empty($datanorm->short_text2) && strlen($newproduct->label) < 100) {
+                $newproduct->label .= ' '.$datanorm->short_text2;
+            }
+
+            // Description
+            $newproduct->description = $datanorm->getFullDescription();
+
+            // Prices
+            $purchasePrice = $datanorm->price;
+            if ($datanorm->price_unit > 1) {
+                $purchasePrice = $datanorm->price / $datanorm->price_unit;
+            }
+
+            // Selling price with markup
+            $sellingPrice = $purchasePrice * (1 + $markup / 100);
+            $newproduct->price = $sellingPrice;
+            $newproduct->price_base_type = 'HT';
+            $newproduct->tva_tx = $lineObj->tax_percent ?: 19;
+
+            // Weight if available
+            if (!empty($datanorm->weight)) {
+                $newproduct->weight = $datanorm->weight;
+                $newproduct->weight_units = 0; // kg
+            }
+
+            // Let Dolibarr auto-generate barcode if configured
+            // Setting barcode to '-1' triggers automatic generation
+            if (isModEnabled('barcode') && getDolGlobalString('BARCODE_PRODUCT_ADDON_NUM')) {
+                $newproduct->barcode = '-1';
+            }
+
+            // Create the product
+            $result = $newproduct->create($user);
+
+            if ($result > 0) {
+                // Add supplier price
+                require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
+                $prodfourn = new ProductFournisseur($db);
+                $prodfourn->id = $newproduct->id;
+                $prodfourn->fourn_ref = $datanorm->article_number;
+
+                // Determine EAN for supplier price
+                $supplierEan = '';
+                $supplierEanType = 0;
+                if (!empty($datanorm->ean)) {
+                    $supplierEan = $datanorm->ean;
+                    $supplierEanType = 2; // EAN13
+                } elseif (!empty($lineObj->ean)) {
+                    $supplierEan = $lineObj->ean;
+                    $supplierEanType = 2; // EAN13
+                }
+
+                // Add supplier price entry with EAN
+                $res = $prodfourn->update_buyprice(
+                    1, // Quantity
+                    $purchasePrice, // Price
+                    $user,
+                    'HT', // Price base
+                    $supplier, // Supplier
+                    0, // Availability
+                    $datanorm->article_number, // Supplier ref
+                    $lineObj->tax_percent ?: 19, // VAT
+                    0, // Charges
+                    0, // Remise
+                    0, // Remise percentage
+                    0, // No price minimum
+                    0, // Delivery delay
+                    0, // Reputation
+                    array(), // Extra fields
+                    0, // Charges array
+                    $supplierEan, // Barcode/EAN in supplier price
+                    $supplierEanType // Barcode type (EAN13)
+                );
+
+                // Create product mapping for future imports
+                $mapping = new ProductMapping($db);
+                $mapping->fk_soc = $import->fk_soc;
+                $mapping->supplier_ref = $datanorm->article_number;
+                $mapping->fk_product = $newproduct->id;
+                $mapping->ean = $datanorm->ean;
+                $mapping->manufacturer_ref = $datanorm->manufacturer_ref;
+                $mapping->description = $datanorm->short_text1;
+                $mapping->create($user);
+
+                // Assign to import line
+                $lineObj->setProduct($newproduct->id, 'datanorm', $user);
+
+                setEventMessages($langs->trans('ProductCreatedFromDatanorm', $newproduct->ref), null, 'mesgs');
+
+                // Check if all lines now have products
+                $allHaveProducts = $importLine->allLinesHaveProducts($id);
+                if ($allHaveProducts) {
+                    $import->status = ZugferdImport::STATUS_IMPORTED;
+                    $import->update($user);
+                }
+            } else {
+                setEventMessages($newproduct->error, $newproduct->errors, 'errors');
+            }
+        } else {
+            setEventMessages($langs->trans('DatanormArticleNotFound', $lineObj->supplier_ref), null, 'errors');
+        }
+    }
+    $action = 'edit';
+    $import->fetch($id);
+}
+
+// Create ALL products from Datanorm (batch)
+if ($action == 'createallfromdatanorm' && $id > 0) {
+    $import->fetch($id);
+
+    if ($import->fk_soc > 0) {
+        // Get Datanorm settings
+        $markup = getDolGlobalString('IMPORTZUGFERD_DATANORM_MARKUP', 30);
+        $searchAll = getDolGlobalString('IMPORTZUGFERD_DATANORM_SEARCH_ALL', 0);
+
+        // Load supplier
+        $supplier = new Societe($db);
+        $supplier->fetch($import->fk_soc);
+        $supplierPrefix = strtoupper(substr(preg_replace('/[^a-zA-Z]/', '', $supplier->name), 0, 3));
+
+        // Get all lines without product
+        $lines = $importLine->fetchAllByImport($import->id);
+        $datanorm = new Datanorm($db);
+        $createdCount = 0;
+        $assignedCount = 0;
+        $errorCount = 0;
+
+        require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
+
+        foreach ($lines as $lineObj) {
+            // Skip lines that already have a product
+            if ($lineObj->fk_product > 0) {
+                continue;
+            }
+
+            // Skip lines without supplier_ref
+            if (empty($lineObj->supplier_ref)) {
+                continue;
+            }
+
+            // Search in Datanorm database
+            $results = $datanorm->searchByArticleNumber($lineObj->supplier_ref, $import->fk_soc, $searchAll, 1);
+
+            if (empty($results) && !empty($lineObj->ean)) {
+                $results = $datanorm->searchByArticleNumber($lineObj->ean, $import->fk_soc, $searchAll, 1);
+            }
+
+            if (!empty($results)) {
+                $datanormArticle = $results[0];
+                $datanorm->fetch($datanormArticle['id']);
+
+                $purchasePrice = $datanorm->price;
+                if ($datanorm->price_unit > 1) {
+                    $purchasePrice = $datanorm->price / $datanorm->price_unit;
+                }
+
+                // Check if product already exists in Dolibarr
+                $existingProduct = new Product($db);
+                $productExists = false;
+                $existingProductId = 0;
+
+                // 1. Check by supplier reference (ProductFournisseur)
+                $sqlCheck = "SELECT DISTINCT pf.fk_product FROM ".MAIN_DB_PREFIX."product_fournisseur_price as pf";
+                $sqlCheck .= " WHERE pf.fk_soc = ".(int)$import->fk_soc;
+                $sqlCheck .= " AND pf.ref_fourn = '".$db->escape($datanorm->article_number)."'";
+                $sqlCheck .= " AND pf.entity IN (".getEntity('product').")";
+                $resqlCheck = $db->query($sqlCheck);
+                if ($resqlCheck && $db->num_rows($resqlCheck) > 0) {
+                    $objCheck = $db->fetch_object($resqlCheck);
+                    $existingProductId = $objCheck->fk_product;
+                    $productExists = true;
+                }
+
+                // 2. Check by product reference pattern
+                if (!$productExists) {
+                    $expectedRef = 'NEW-'.$supplierPrefix.'-'.$datanorm->article_number;
+                    $fetchResult = $existingProduct->fetch(0, $expectedRef);
+                    if ($fetchResult > 0) {
+                        $existingProductId = $existingProduct->id;
+                        $productExists = true;
+                    }
+                }
+
+                // 3. Check by EAN if available
+                if (!$productExists && !empty($datanorm->ean)) {
+                    $sqlEan = "SELECT rowid FROM ".MAIN_DB_PREFIX."product";
+                    $sqlEan .= " WHERE barcode = '".$db->escape($datanorm->ean)."'";
+                    $sqlEan .= " AND entity IN (".getEntity('product').")";
+                    $resqlEan = $db->query($sqlEan);
+                    if ($resqlEan && $db->num_rows($resqlEan) > 0) {
+                        $objEan = $db->fetch_object($resqlEan);
+                        $existingProductId = $objEan->rowid;
+                        $productExists = true;
+                    }
+                }
+
+                if ($productExists && $existingProductId > 0) {
+                    // Product exists - just assign it to the line
+                    $lineObj->setProduct($existingProductId, 'datanorm', $user);
+                    $assignedCount++;
+                } else {
+                    // Create new product
+                    $newproduct = new Product($db);
+                    $newproduct->type = 0;
+                    $newproduct->status = 1;
+                    $newproduct->status_buy = 1;
+                    $newproduct->ref = 'NEW-'.$supplierPrefix.'-'.$datanorm->article_number;
+                    $newproduct->label = $datanorm->short_text1;
+                    if (!empty($datanorm->short_text2) && strlen($newproduct->label) < 100) {
+                        $newproduct->label .= ' '.$datanorm->short_text2;
+                    }
+                    $newproduct->description = $datanorm->getFullDescription();
+
+                    $sellingPrice = $purchasePrice * (1 + $markup / 100);
+                    $newproduct->price = $sellingPrice;
+                    $newproduct->price_base_type = 'HT';
+                    $newproduct->tva_tx = $lineObj->tax_percent ?: 19;
+
+                    if (!empty($datanorm->weight)) {
+                        $newproduct->weight = $datanorm->weight;
+                        $newproduct->weight_units = 0;
+                    }
+
+                    if (isModEnabled('barcode') && getDolGlobalString('BARCODE_PRODUCT_ADDON_NUM')) {
+                        $newproduct->barcode = '-1';
+                    }
+
+                    $result = $newproduct->create($user);
+
+                    if ($result > 0) {
+                        // Add supplier price
+                        $prodfourn = new ProductFournisseur($db);
+                        $prodfourn->id = $newproduct->id;
+                        $prodfourn->fourn_ref = $datanorm->article_number;
+
+                        $supplierEan = '';
+                        $supplierEanType = 0;
+                        if (!empty($datanorm->ean)) {
+                            $supplierEan = $datanorm->ean;
+                            $supplierEanType = 2;
+                        } elseif (!empty($lineObj->ean)) {
+                            $supplierEan = $lineObj->ean;
+                            $supplierEanType = 2;
+                        }
+
+                        $prodfourn->update_buyprice(
+                            1, $purchasePrice, $user, 'HT', $supplier, 0,
+                            $datanorm->article_number, $lineObj->tax_percent ?: 19,
+                            0, 0, 0, 0, 0, 0, array(), 0, $supplierEan, $supplierEanType
+                        );
+
+                        // Create product mapping
+                        $mapping = new ProductMapping($db);
+                        $mapping->fk_soc = $import->fk_soc;
+                        $mapping->supplier_ref = $datanorm->article_number;
+                        $mapping->fk_product = $newproduct->id;
+                        $mapping->ean = $datanorm->ean;
+                        $mapping->manufacturer_ref = $datanorm->manufacturer_ref;
+                        $mapping->description = $datanorm->short_text1;
+                        $mapping->create($user);
+
+                        // Assign to import line
+                        $lineObj->setProduct($newproduct->id, 'datanorm', $user);
+                        $createdCount++;
+                    } else {
+                        $errorCount++;
+                    }
+                }
+            }
+        }
+
+        if ($createdCount > 0) {
+            setEventMessages($langs->trans('DatanormBatchCreated', $createdCount), null, 'mesgs');
+        }
+        if ($assignedCount > 0) {
+            setEventMessages($langs->trans('DatanormBatchAssigned', $assignedCount), null, 'mesgs');
+        }
+        if ($errorCount > 0) {
+            setEventMessages($langs->trans('DatanormBatchErrors', $errorCount), null, 'warnings');
+        }
+        if ($createdCount == 0 && $assignedCount == 0 && $errorCount == 0) {
+            setEventMessages($langs->trans('DatanormBatchNoMatches'), null, 'warnings');
+        }
+
+        // Check if all lines now have products
+        $allHaveProducts = $importLine->allLinesHaveProducts($id);
+        if ($allHaveProducts) {
+            $import->status = ZugferdImport::STATUS_IMPORTED;
+            $import->update($user);
+        }
+    }
+    $action = 'edit';
+    $import->fetch($id);
+}
+
 // Create supplier invoice
 if ($action == 'createinvoice' && $id > 0) {
     $import->fetch($id);
@@ -435,8 +800,7 @@ if ($action == 'createinvoice' && $id > 0) {
                 }
 
                 if (!$error) {
-                    // Validate invoice
+                    // Invoice stays as draft - user can validate manually
-                    $invoice->validate($user);
 
                     // Copy PDF to invoice
                     $source_pdf = $conf->importzugferd->dir_output.'/imports/'.$import->id.'/'.$import->pdf_filename;
@@ -473,6 +837,63 @@ if ($action == 'createinvoice' && $id > 0) {
     $action = 'edit';
 }
 
+// Finish import - check for existing invoice and update status
+if ($action == 'finishimport' && $id > 0) {
+    $import->fetch($id);
+
+    // Check all lines have products
+    $lines = $importLine->fetchAllByImport($id);
+    $allHaveProducts = true;
+    foreach ($lines as $line) {
+        if ($line->fk_product <= 0) {
+            $allHaveProducts = false;
+            break;
+        }
+    }
+
+    if (!$allHaveProducts) {
+        $error++;
+        setEventMessages($langs->trans('ErrorNotAllProductsAssigned'), null, 'errors');
+    } elseif ($import->fk_soc <= 0) {
+        $error++;
+        setEventMessages($langs->trans('ErrorSupplierRequired'), null, 'errors');
+    } else {
+        // Search for existing supplier invoice with this ref_supplier
+        $sql = "SELECT rowid FROM ".MAIN_DB_PREFIX."facture_fourn";
+        $sql .= " WHERE fk_soc = ".((int) $import->fk_soc);
+        $sql .= " AND ref_supplier = '".$db->escape($import->invoice_number)."'";
+        $sql .= " LIMIT 1";
+
+        $resql = $db->query($sql);
+        if ($resql && $db->num_rows($resql) > 0) {
+            $obj = $db->fetch_object($resql);
+            // Found existing invoice - link it
+            $import->fk_facture_fourn = $obj->rowid;
+            $import->status = ZugferdImport::STATUS_PROCESSED;
+            $import->date_import = dol_now();
+            $result = $import->update($user);
+
+            if ($result > 0) {
+                $invoiceLink = '<a href="'.DOL_URL_ROOT.'/fourn/facture/card.php?facid='.$obj->rowid.'">'.$import->invoice_number.'</a>';
+                setEventMessages($langs->trans('ImportLinkedToExistingInvoice', $invoiceLink), null, 'mesgs');
+            } else {
+                setEventMessages($import->error, null, 'errors');
+            }
+        } else {
+            // No existing invoice - mark as imported (ready for invoice creation)
+            $import->status = ZugferdImport::STATUS_IMPORTED;
+            $result = $import->update($user);
+
+            if ($result > 0) {
+                setEventMessages($langs->trans('ImportFinished'), null, 'mesgs');
+            } else {
+                setEventMessages($import->error, null, 'errors');
+            }
+        }
+    }
+    $action = 'edit';
+}
+
 // Delete import record
 if ($action == 'confirm_delete' && $confirm == 'yes' && $id > 0) {
     $import->fetch($id);
@@ -600,21 +1021,28 @@ if (empty($action) || ($action == 'upload' && $error)) {
     print '</form>';
 }
 
+/*
+ * Delete confirmation dialog
+ */
+if ($action == 'delete' && $id > 0) {
+    $import->fetch($id);
+    $formconfirm = $form->formconfirm(
+        $_SERVER['PHP_SELF'].'?id='.$import->id,
+        $langs->trans('DeleteImportRecord'),
+        $langs->trans('ConfirmDeleteImportRecord', $import->ref),
+        'confirm_delete',
+        '',
+        0,
+        1
+    );
+    print $formconfirm;
+    $action = 'edit'; // Continue showing the edit form
+}
+
 /*
  * Edit/Review import
  */
 if ($action == 'edit' && $import->id > 0) {
-    // Delete confirmation
-    if ($action == 'delete') {
-        $formconfirm = $form->formconfirm(
-            $_SERVER['PHP_SELF'].'?id='.$import->id,
-            $langs->trans('DeleteImportRecord'),
-            $langs->trans('ConfirmDeleteImportRecord', $import->ref),
-            'confirm_delete'
-        );
-        print $formconfirm;
-    }
-
     // Fetch lines
     $lines = $importLine->fetchAllByImport($import->id);
     $missingProducts = $importLine->countLinesWithoutProduct($import->id);
@@ -715,11 +1143,20 @@ if ($action == 'edit' && $import->id > 0) {
     print '<td>'.$langs->trans('ProductDescription').'</td>';
     print '<td class="right">'.$langs->trans('Qty').'</td>';
     print '<td class="right">'.$langs->trans('UnitPrice').'</td>';
+    print '<td class="right">'.$langs->trans('DolibarrPrice').'</td>';
     print '<td class="right">'.$langs->trans('TotalHT').'</td>';
     print '<td>'.$langs->trans('MatchedProduct').'</td>';
     print '<td>'.$langs->trans('Action').'</td>';
     print '</tr>';
 
+    // Initialize totals for summary row
+    $totalDolibarrHT = 0;
+    $totalZugferdHT = 0;
+    $hasDolibarrPrices = false;
+    $allProductsMatched = true;
+    $matchedLinesCount = 0;
+    $totalLinesCount = count($lines);
+
     foreach ($lines as $line) {
         $hasProduct = ($line->fk_product > 0);
         $rowClass = $hasProduct ? 'oddeven opacitymedium' : 'oddeven';
@@ -740,6 +1177,60 @@ if ($action == 'edit' && $import->id > 0) {
             print '<br><span class="opacitymedium">('.price($line->unit_price_raw).'/'.price2num($line->basis_quantity, 'MS').zugferdGetUnitLabel($line->basis_quantity_unit).')</span>';
         }
         print '</td>';
+
+        // Dolibarr price column - show supplier price and difference
+        print '<td class="right nowraponall">';
+        $lineDolibarrTotal = 0;
+        if ($hasProduct && $import->fk_soc > 0) {
+            require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
+            $productFourn = new ProductFournisseur($db);
+            $result = $productFourn->find_min_price_product_fournisseur($line->fk_product, 1, $import->fk_soc);
+
+            if ($result > 0 && $productFourn->fourn_price > 0) {
+                $dolibarrPrice = $productFourn->fourn_price;
+                $zugferdPrice = $line->unit_price;
+                $priceDiff = $zugferdPrice - $dolibarrPrice;
+                $priceDiffPercent = ($dolibarrPrice > 0) ? (($priceDiff / $dolibarrPrice) * 100) : 0;
+
+                // Accumulate for summary
+                $lineDolibarrTotal = $dolibarrPrice * $line->quantity;
+                $totalDolibarrHT += $lineDolibarrTotal;
+                $hasDolibarrPrices = true;
+                $matchedLinesCount++;
+
+                print price($dolibarrPrice);
+
+                if (abs($priceDiffPercent) >= 0.01) {
+                    $threshold = getDolGlobalInt('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD', 10);
+                    $isSignificant = (abs($priceDiffPercent) >= $threshold);
+
+                    print '<br>';
+                    if ($priceDiff > 0) {
+                        // ZUGFeRD price is higher
+                        $iconColor = $isSignificant ? 'color: #d9534f;' : 'color: #f0ad4e;';
+                        print '<span style="'.$iconColor.'" title="'.$langs->trans('PriceIncrease').'">';
+                        print '<i class="fas fa-arrow-up"></i> +'.number_format($priceDiffPercent, 1).'%';
+                        print '</span>';
+                    } else {
+                        // ZUGFeRD price is lower
+                        $iconColor = $isSignificant ? 'color: #5cb85c;' : 'color: #5bc0de;';
+                        print '<span style="'.$iconColor.'" title="'.$langs->trans('PriceDecrease').'">';
+                        print '<i class="fas fa-arrow-down"></i> '.number_format($priceDiffPercent, 1).'%';
+                        print '</span>';
+                    }
+                } else {
+                    print '<br><span class="opacitymedium"><i class="fas fa-equals"></i></span>';
+                }
+            } else {
+                print '<span class="opacitymedium">'.$langs->trans('NoPriceFound').'</span>';
+                $allProductsMatched = false; // No price found for matched product
+            }
+        } else {
+            print '<span class="opacitymedium">-</span>';
+            $allProductsMatched = false; // Product not matched
+        }
+        print '</td>';
+
         print '<td class="right">'.price($line->line_total).'</td>';
         print '<td>';
 
@@ -810,11 +1301,93 @@ if ($action == 'edit' && $import->id > 0) {
             print '<i class="fas fa-copy"></i>';
             print '</button>';
             print '</form>';
+
+            // Datanorm button (only if supplier is set and supplier_ref exists)
+            if ($import->fk_soc > 0 && !empty($line->supplier_ref)) {
+                // Check if Datanorm article exists
+                $datanormCheck = new Datanorm($db);
+                $searchAll = getDolGlobalString('IMPORTZUGFERD_DATANORM_SEARCH_ALL', 0);
+                $datanormResults = $datanormCheck->searchByArticleNumber($line->supplier_ref, $import->fk_soc, $searchAll, 1);
+
+                if (!empty($datanormResults)) {
+                    $datanormArticle = $datanormResults[0];
+                    print '<br>';
+                    print '<a href="'.$_SERVER['PHP_SELF'].'?action=createfromdatanorm&line_id='.$line->id.'&id='.$import->id.'&token='.newToken().'" class="button buttongen margintoponlyshort" title="'.$langs->trans('CreateFromDatanormHelp').'">';
+                    print '<i class="fas fa-database paddingright"></i>'.$langs->trans('CreateFromDatanorm');
+                    print '</a>';
+                    print '<br><span class="opacitymedium small">';
+                    print dol_trunc($datanormArticle['short_text1'], 40);
+                    print ' - '.price($datanormArticle['price']);
+                    print '</span>';
+                }
+            }
         }
         print '</td>';
         print '</tr>';
+
+        // Accumulate ZUGFeRD total
+        $totalZugferdHT += $line->line_total;
     }
 
+    // Summary row with total comparison
+    // Only show full comparison if ALL products are matched with Dolibarr prices
+    print '<tr style="background-color: #f5f5f5; font-weight: bold;">';
+    print '<td colspan="5" class="right"><strong>'.$langs->trans('Total').' '.$langs->trans('TotalHT').'</strong></td>';
+
+    if ($allProductsMatched && $hasDolibarrPrices) {
+        // Full comparison possible - all products matched with prices
+        $totalDiff = $totalZugferdHT - $totalDolibarrHT;
+        $totalDiffPercent = ($totalDolibarrHT > 0) ? (($totalDiff / $totalDolibarrHT) * 100) : 0;
+
+        // Determine colors: green if close match, red if significant difference
+        $threshold = getDolGlobalInt('IMPORTZUGFERD_PRICE_DIFF_THRESHOLD', 10);
+        $isMatch = (abs($totalDiffPercent) < 0.5); // Less than 0.5% difference = match
+        $isSignificant = (abs($totalDiffPercent) >= $threshold);
+
+        if ($isMatch) {
+            $cellStyle = 'background-color: #dff0d8;'; // Green
+        } elseif ($isSignificant) {
+            $cellStyle = 'background-color: #f2dede;'; // Red
+        } else {
+            $cellStyle = 'background-color: #fcf8e3;'; // Yellow/warning
+        }
+
+        print '<td class="right nowraponall" style="'.$cellStyle.'">';
+        print '<strong>'.price($totalDolibarrHT).'</strong>';
+        if (abs($totalDiffPercent) >= 0.01) {
+            print '<br>';
+            if ($totalDiff > 0) {
+                print '<span style="color: #d9534f;"><i class="fas fa-arrow-up"></i> +'.number_format($totalDiffPercent, 1).'%</span>';
+            } elseif ($totalDiff < 0) {
+                print '<span style="color: #5cb85c;"><i class="fas fa-arrow-down"></i> '.number_format($totalDiffPercent, 1).'%</span>';
+            }
+        }
+        print '</td>';
+        print '<td class="right" style="'.$cellStyle.'"><strong>'.price($totalZugferdHT).'</strong></td>';
+        print '<td colspan="2" class="nowraponall" style="'.$cellStyle.'">';
+        if ($isMatch) {
+            print '<span style="color: #3c763d;"><i class="fas fa-check-circle"></i> '.$langs->trans('SumValidationOk').'</span>';
+        } else {
+            print '<span style="color: #a94442;"><i class="fas fa-exclamation-triangle"></i> '.$langs->trans('Difference').': '.price($totalDiff).' '.$import->currency.'</span>';
+        }
+        print '</td>';
+    } else {
+        // Not all products matched - show totals but no comparison
+        print '<td class="right nowraponall">';
+        if ($hasDolibarrPrices) {
+            print '<span class="opacitymedium">'.price($totalDolibarrHT).'</span>';
+            print '<br><span class="opacitymedium small">('.$matchedLinesCount.'/'.$totalLinesCount.')</span>';
+        } else {
+            print '<span class="opacitymedium">-</span>';
+        }
+        print '</td>';
+        print '<td class="right"><strong>'.price($totalZugferdHT).'</strong></td>';
+        print '<td colspan="2" class="nowraponall">';
+        print '<span class="opacitymedium"><i class="fas fa-info-circle"></i> '.$langs->trans('ProductsNotAssigned').'</span>';
+        print '</td>';
+    }
+    print '</tr>';
+
     print '</table>';
     print '</div>';
 
@@ -828,9 +1401,33 @@ if ($action == 'edit' && $import->id > 0) {
         print ' &nbsp; ';
     }
 
+    // Finish import button - shown when pending status and all products assigned
+    if ($import->status == ZugferdImport::STATUS_PENDING && $allComplete) {
+        print '<a href="'.$_SERVER['PHP_SELF'].'?action=finishimport&id='.$import->id.'&token='.newToken().'" class="button">';
+        print '<i class="fas fa-check paddingright"></i>'.$langs->trans('FinishImport');
+        print '</a>';
+        print ' &nbsp; ';
+    }
+
+    // Button to create all products from Datanorm
+    if ($missingProducts > 0 && $import->fk_soc > 0) {
+        print '<a href="'.$_SERVER['PHP_SELF'].'?action=createallfromdatanorm&id='.$import->id.'&token='.newToken().'" class="button">';
+        print '<i class="fas fa-database paddingright"></i>'.$langs->trans('CreateAllFromDatanorm');
+        print '</a>';
+        print ' &nbsp; ';
+    }
+
     print '<a href="'.dol_buildpath('/importzugferd/list.php', 1).'" class="button">'.$langs->trans('BackToList').'</a>';
-    print ' &nbsp; ';
+
-    print '<a href="'.$_SERVER['PHP_SELF'].'?action=delete&id='.$import->id.'&token='.newToken().'" class="button button-cancel">'.$langs->trans('Delete').'</a>';
+    // Delete button - show for pending imports or imports without linked invoice
+    $canDelete = ($import->status == ZugferdImport::STATUS_PENDING) ||
+                 ($import->status == ZugferdImport::STATUS_IMPORTED && $import->fk_facture_fourn <= 0);
+    if ($canDelete) {
+        print ' &nbsp; ';
+        print '<a href="'.$_SERVER['PHP_SELF'].'?action=delete&id='.$import->id.'&token='.newToken().'" class="button button-cancel">';
+        print '<i class="fas fa-trash paddingright"></i>'.$langs->trans('Delete');
+        print '</a>';
+    }
 
     print '</div>';
 

langs/de_DE/importzugferd.lang

@@ -35,6 +35,8 @@ IMPORTZUGFERD_WATCH_FOLDER = Überwachungsordner
 IMPORTZUGFERD_WATCH_FOLDERTooltip = Ordner für eingehende ZUGFeRD-Rechnungen (lokaler Pfad)
 IMPORTZUGFERD_ARCHIVE_FOLDER = Archivordner
 IMPORTZUGFERD_ARCHIVE_FOLDERTooltip = Ordner für erfolgreich importierte Rechnungen
+IMPORTZUGFERD_ERROR_FOLDER = Fehlerordner
+IMPORTZUGFERD_ERROR_FOLDERTooltip = Ordner für fehlerhafte Rechnungen (nicht ZUGFeRD oder Importfehler)
 IMPORTZUGFERD_IMAP_ARCHIVE_FOLDER = IMAP Archivordner
 IMPORTZUGFERD_IMAP_ARCHIVE_FOLDERTooltip = IMAP-Ordner für archivierte E-Mails nach Import
 
@@ -109,6 +111,7 @@ SupplierCustomerNumberHelp = Ihre Kundennummer bei diesem Lieferanten (für auto
 # Cronjob
 #
 ImportZugferdFromMailbox = ZUGFeRD Rechnungen aus Postfach importieren
+ImportZugferdScheduled = ZUGFeRD geplanter Import (Ordner und E-Mail)
 
 #
 # Fehler
@@ -213,3 +216,131 @@ ImportRecordCreated = Import-Datensatz erstellt
 ErrorNotAllProductsAssigned = Nicht alle Produkte zugeordnet
 BackToList = Zurück zur Liste
 ErrorRecordNotFound = Datensatz nicht gefunden
+FinishImport = Abschließen
+ImportFinished = Import abgeschlossen
+ImportLinkedToExistingInvoice = Import mit bestehender Rechnung %s verknüpft
+
+#
+# Datanorm
+#
+DatanormCatalogs = Datanorm Kataloge
+DatanormSettings = Datanorm Einstellungen
+IMPORTZUGFERD_DATANORM_MARKUP = Preisaufschlag (%)
+IMPORTZUGFERD_DATANORM_MARKUPTooltip = Prozentualer Aufschlag auf den Datanorm-Einkaufspreis für den Verkaufspreis
+IMPORTZUGFERD_DATANORM_SEARCH_ALL = In allen Lieferanten-Katalogen suchen
+IMPORTZUGFERD_DATANORM_SEARCH_ALLTooltip = Bei Aktivierung wird nicht nur im Katalog des aktuellen Lieferanten gesucht, sondern in allen Datanorm-Katalogen
+UploadDatanorm = Datanorm hochladen
+DatanormFiles = Datanorm Dateien
+DatanormFileHelp = DATANORM.001, DATANORM.WRG oder XML-Dateien (Datanorm 4.0/5.0)
+DeleteExisting = Vorhandene Artikel löschen
+DeleteExistingHelp = Löscht alle vorhandenen Artikel dieses Lieferanten vor dem Import
+DatanormImportSuccess = %s Artikel erfolgreich importiert
+DatanormImportFailed = Datanorm Import fehlgeschlagen
+DatanormNoArticlesFound = Keine Artikel in der Datanorm-Datei gefunden
+NoDatanormData = Keine Datanorm-Daten vorhanden
+DatanormDeleted = %s Artikel gelöscht
+DatanormDeleteFailed = Löschen fehlgeschlagen
+DeleteDatanorm = Datanorm-Katalog löschen
+ConfirmDeleteDatanorm = Möchten Sie alle Datanorm-Artikel von %s löschen?
+DatanormArticles = Datanorm Artikel
+ArticleNumber = Artikelnummer
+ArticleCount = Artikelanzahl
+LastImport = Letzter Import
+ViewArticles = Artikel anzeigen
+TotalArticles = Gesamtanzahl Artikel
+DatanormSettingsInfo = Preisaufschlag und Suchverhalten können in den Moduleinstellungen konfiguriert werden:
+CreateFromDatanorm = Aus Datanorm
+CreateFromDatanormHelp = Neues Produkt aus Datanorm-Daten anlegen
+ProductCreatedFromDatanorm = Produkt %s aus Datanorm erstellt
+DatanormArticleNotFound = Kein Datanorm-Artikel für Artikelnummer '%s' gefunden
+CreateAllFromDatanorm = Alle aus Datanorm
+CreateAllFromDatanormHelp = Alle fehlenden Produkte aus Datanorm-Daten anlegen
+DatanormBatchCreated = %s Produkte aus Datanorm erstellt
+DatanormBatchAssigned = %s vorhandene Produkte zugeordnet
+DatanormBatchErrors = %s Produkte konnten nicht erstellt werden
+DatanormBatchNoMatches = Keine passenden Datanorm-Artikel gefunden
+
+#
+# Scheduling
+#
+SchedulingSettings = Zeitplanung
+IMPORTZUGFERD_IMPORT_FREQUENCY = Import-Häufigkeit
+IMPORTZUGFERD_IMPORT_FREQUENCYTooltip = Wie oft sollen Ordner und E-Mails automatisch auf neue Rechnungen geprüft werden
+FrequencyManual = Nur manuell
+FrequencyHourly = Stündlich
+FrequencyDaily = Täglich
+FrequencyWeekly = Wöchentlich
+ManualImportTrigger = Manueller Import
+
+#
+# Folder Browser
+#
+FolderBrowser = Ordner-Auswahl
+Browse = Durchsuchen
+SelectFolder = Ordner auswählen
+SelectThisFolder = Diesen Ordner wählen
+CurrentPath = Aktueller Pfad
+ParentFolder = Übergeordneter Ordner
+NoSubfolders = Keine Unterordner
+NotConfigured = Nicht konfiguriert
+ErrorFolderNotFound = Ordner nicht gefunden
+Go = Los
+QuickLinks = Schnellzugriff
+
+#
+# Folder Validation
+#
+FolderValidation = Ordner-Prüfung
+FolderOK = OK
+FolderNotFound = Ordner nicht gefunden
+FolderNotReadable = Ordner nicht lesbar
+FolderNotWritable = Ordner nicht beschreibbar
+
+#
+# Email Notifications
+#
+NotificationSettings = E-Mail-Benachrichtigungen
+IMPORTZUGFERD_NOTIFY_ENABLED = Benachrichtigungen aktivieren
+IMPORTZUGFERD_NOTIFY_ENABLEDTooltip = E-Mail-Benachrichtigungen für Import-Ereignisse aktivieren
+IMPORTZUGFERD_NOTIFY_EMAIL = Benachrichtigungs-E-Mail
+IMPORTZUGFERD_NOTIFY_EMAILTooltip = E-Mail-Adresse für Import-Benachrichtigungen
+IMPORTZUGFERD_NOTIFY_MANUAL = Bei manuellem Eingriff
+IMPORTZUGFERD_NOTIFY_MANUALTooltip = E-Mail senden wenn ein Import manuellen Eingriff benötigt
+IMPORTZUGFERD_NOTIFY_ERROR = Bei Fehlern
+IMPORTZUGFERD_NOTIFY_ERRORTooltip = E-Mail senden wenn beim Import ein Fehler auftritt
+IMPORTZUGFERD_NOTIFY_PRICE_DIFF = Bei Preisabweichungen
+IMPORTZUGFERD_NOTIFY_PRICE_DIFFTooltip = E-Mail senden wenn Produktpreise um mehr als den Schwellenwert abweichen
+IMPORTZUGFERD_PRICE_DIFF_THRESHOLD = Preisabweichung Schwelle (%)
+IMPORTZUGFERD_PRICE_DIFF_THRESHOLDTooltip = Prozentuale Preisabweichung ab der eine Benachrichtigung gesendet wird
+
+# Email content
+NotifySubjectManualIntervention = Manueller Eingriff erforderlich: Rechnung %s
+NotifySubjectError = Import-Fehler: %s
+NotifySubjectPriceDiff = Preisabweichungen erkannt: Rechnung %s (%s Produkte)
+NotifyBodyManualIntervention = Der Import der Rechnung %s von %s erfordert manuellen Eingriff.
+NotifyBodyError = Beim Import der Rechnung/Datei %s ist ein Fehler aufgetreten.
+NotifyBodyPriceDiff = Bei der Rechnung %s von %s wurden Preisabweichungen von mehr als %s%% erkannt.
+NotifyLinkToImport = Link zum Import
+OldPrice = Alter Preis
+NewPrice = Neuer Preis
+File = Datei
+
+# Price comparison
+DolibarrPrice = Dolibarr Preis
+PriceIncrease = Preiserhöhung
+PriceDecrease = Preissenkung
+NoPriceFound = Kein Preis
+
+# Test Email
+TestEmailNotification = E-Mail-Benachrichtigung testen
+SendTestEmail = Test-E-Mail senden
+TestEmailSent = Test-E-Mail erfolgreich gesendet an %s
+TestEmailFailed = Test-E-Mail konnte nicht gesendet werden
+SendTo = Senden an
+NotifySubjectTest = Test-E-Mail Benachrichtigung
+NotifyBodyTest = Dies ist eine Test-E-Mail vom ZUGFeRD Import Modul.
+NotifyTestInfo = Diese E-Mail bestätigt, dass die E-Mail-Benachrichtigungen korrekt konfiguriert sind.
+NotifyTestSuccess = Die E-Mail-Konfiguration funktioniert einwandfrei!
+CurrentSettings = Aktuelle Einstellungen
+NotificationsNotEnabled = Benachrichtigungen sind nicht aktiviert oder keine E-Mail-Adresse konfiguriert
+NotifyEmail = Empfänger-E-Mail

langs/en_US/importzugferd.lang

@@ -35,6 +35,8 @@ IMPORTZUGFERD_WATCH_FOLDER = Watch Folder
 IMPORTZUGFERD_WATCH_FOLDERTooltip = Folder for incoming ZUGFeRD invoices (local path)
 IMPORTZUGFERD_ARCHIVE_FOLDER = Archive Folder
 IMPORTZUGFERD_ARCHIVE_FOLDERTooltip = Folder for successfully imported invoices
+IMPORTZUGFERD_ERROR_FOLDER = Error Folder
+IMPORTZUGFERD_ERROR_FOLDERTooltip = Folder for failed invoices (not ZUGFeRD or import errors)
 IMPORTZUGFERD_IMAP_ARCHIVE_FOLDER = IMAP Archive Folder
 IMPORTZUGFERD_IMAP_ARCHIVE_FOLDERTooltip = IMAP folder for archived emails after import
 
@@ -109,6 +111,7 @@ SupplierCustomerNumberHelp = Your customer number at this supplier (used for aut
 # Cronjob
 #
 ImportZugferdFromMailbox = Import ZUGFeRD invoices from mailbox
+ImportZugferdScheduled = ZUGFeRD scheduled import (folder and email)
 
 #
 # Errors
@@ -213,3 +216,131 @@ ImportRecordCreated = Import record created
 ErrorNotAllProductsAssigned = Not all products assigned
 BackToList = Back to list
 ErrorRecordNotFound = Record not found
+FinishImport = Finish Import
+ImportFinished = Import finished
+ImportLinkedToExistingInvoice = Import linked to existing invoice %s
+
+#
+# Datanorm
+#
+DatanormCatalogs = Datanorm Catalogs
+DatanormSettings = Datanorm Settings
+IMPORTZUGFERD_DATANORM_MARKUP = Price Markup (%)
+IMPORTZUGFERD_DATANORM_MARKUPTooltip = Percentage markup on Datanorm purchase price for selling price
+IMPORTZUGFERD_DATANORM_SEARCH_ALL = Search in all supplier catalogs
+IMPORTZUGFERD_DATANORM_SEARCH_ALLTooltip = When enabled, search all Datanorm catalogs, not just the current supplier
+UploadDatanorm = Upload Datanorm
+DatanormFiles = Datanorm Files
+DatanormFileHelp = DATANORM.001, DATANORM.WRG or XML files (Datanorm 4.0/5.0)
+DeleteExisting = Delete existing articles
+DeleteExistingHelp = Deletes all existing articles for this supplier before import
+DatanormImportSuccess = %s articles imported successfully
+DatanormImportFailed = Datanorm import failed
+DatanormNoArticlesFound = No articles found in Datanorm file
+NoDatanormData = No Datanorm data available
+DatanormDeleted = %s articles deleted
+DatanormDeleteFailed = Deletion failed
+DeleteDatanorm = Delete Datanorm catalog
+ConfirmDeleteDatanorm = Are you sure you want to delete all Datanorm articles from %s?
+DatanormArticles = Datanorm Articles
+ArticleNumber = Article Number
+ArticleCount = Article Count
+LastImport = Last Import
+ViewArticles = View Articles
+TotalArticles = Total Articles
+DatanormSettingsInfo = Price markup and search behavior can be configured in module settings:
+CreateFromDatanorm = From Datanorm
+CreateFromDatanormHelp = Create new product from Datanorm data
+ProductCreatedFromDatanorm = Product %s created from Datanorm
+DatanormArticleNotFound = No Datanorm article found for article number '%s'
+CreateAllFromDatanorm = All from Datanorm
+CreateAllFromDatanormHelp = Create all missing products from Datanorm data
+DatanormBatchCreated = %s products created from Datanorm
+DatanormBatchAssigned = %s existing products assigned
+DatanormBatchErrors = %s products could not be created
+DatanormBatchNoMatches = No matching Datanorm articles found
+
+#
+# Scheduling
+#
+SchedulingSettings = Scheduling
+IMPORTZUGFERD_IMPORT_FREQUENCY = Import Frequency
+IMPORTZUGFERD_IMPORT_FREQUENCYTooltip = How often should folders and emails be checked for new invoices automatically
+FrequencyManual = Manual only
+FrequencyHourly = Hourly
+FrequencyDaily = Daily
+FrequencyWeekly = Weekly
+ManualImportTrigger = Manual Import
+
+#
+# Folder Browser
+#
+FolderBrowser = Folder Selection
+Browse = Browse
+SelectFolder = Select Folder
+SelectThisFolder = Select This Folder
+CurrentPath = Current Path
+ParentFolder = Parent Folder
+NoSubfolders = No subfolders
+NotConfigured = Not configured
+ErrorFolderNotFound = Folder not found
+Go = Go
+QuickLinks = Quick links
+
+#
+# Folder Validation
+#
+FolderValidation = Folder Validation
+FolderOK = OK
+FolderNotFound = Folder not found
+FolderNotReadable = Folder not readable
+FolderNotWritable = Folder not writable
+
+#
+# Email Notifications
+#
+NotificationSettings = Email Notifications
+IMPORTZUGFERD_NOTIFY_ENABLED = Enable notifications
+IMPORTZUGFERD_NOTIFY_ENABLEDTooltip = Enable email notifications for import events
+IMPORTZUGFERD_NOTIFY_EMAIL = Notification email
+IMPORTZUGFERD_NOTIFY_EMAILTooltip = Email address for import notifications
+IMPORTZUGFERD_NOTIFY_MANUAL = On manual intervention
+IMPORTZUGFERD_NOTIFY_MANUALTooltip = Send email when an import requires manual intervention
+IMPORTZUGFERD_NOTIFY_ERROR = On errors
+IMPORTZUGFERD_NOTIFY_ERRORTooltip = Send email when an import error occurs
+IMPORTZUGFERD_NOTIFY_PRICE_DIFF = On price differences
+IMPORTZUGFERD_NOTIFY_PRICE_DIFFTooltip = Send email when product prices differ by more than the threshold
+IMPORTZUGFERD_PRICE_DIFF_THRESHOLD = Price difference threshold (%)
+IMPORTZUGFERD_PRICE_DIFF_THRESHOLDTooltip = Percentage price difference that triggers a notification
+
+# Email content
+NotifySubjectManualIntervention = Manual intervention required: Invoice %s
+NotifySubjectError = Import error: %s
+NotifySubjectPriceDiff = Price differences detected: Invoice %s (%s products)
+NotifyBodyManualIntervention = The import of invoice %s from %s requires manual intervention.
+NotifyBodyError = An error occurred while importing invoice/file %s.
+NotifyBodyPriceDiff = Invoice %s from %s has price differences of more than %s%%.
+NotifyLinkToImport = Link to import
+OldPrice = Old price
+NewPrice = New price
+File = File
+
+# Price comparison
+DolibarrPrice = Dolibarr Price
+PriceIncrease = Price increase
+PriceDecrease = Price decrease
+NoPriceFound = No price
+
+# Test Email
+TestEmailNotification = Test Email Notification
+SendTestEmail = Send Test Email
+TestEmailSent = Test email successfully sent to %s
+TestEmailFailed = Failed to send test email
+SendTo = Send to
+NotifySubjectTest = Test Email Notification
+NotifyBodyTest = This is a test email from the ZUGFeRD Import module.
+NotifyTestInfo = This email confirms that email notifications are correctly configured.
+NotifyTestSuccess = The email configuration is working properly!
+CurrentSettings = Current settings
+NotificationsNotEnabled = Notifications are not enabled or no email address configured
+NotifyEmail = Recipient email

sql/llx_importzugferd_datanorm.key.sql

@@ -0,0 +1,13 @@
+-- ============================================================================
+-- Copyright (C) 2026  ZUGFeRD Import Module
+-- ============================================================================
+
+ALTER TABLE llx_importzugferd_datanorm ADD INDEX idx_datanorm_fk_soc (fk_soc);
+ALTER TABLE llx_importzugferd_datanorm ADD INDEX idx_datanorm_article_number (article_number);
+ALTER TABLE llx_importzugferd_datanorm ADD INDEX idx_datanorm_ean (ean);
+ALTER TABLE llx_importzugferd_datanorm ADD INDEX idx_datanorm_manufacturer_ref (manufacturer_ref);
+ALTER TABLE llx_importzugferd_datanorm ADD INDEX idx_datanorm_matchcode (matchcode);
+ALTER TABLE llx_importzugferd_datanorm ADD UNIQUE INDEX uk_datanorm_soc_article (fk_soc, article_number, entity);
+
+ALTER TABLE llx_importzugferd_datanorm ADD CONSTRAINT fk_datanorm_fk_soc FOREIGN KEY (fk_soc) REFERENCES llx_societe(rowid);
+ALTER TABLE llx_importzugferd_datanorm ADD CONSTRAINT fk_datanorm_fk_user_creat FOREIGN KEY (fk_user_creat) REFERENCES llx_user(rowid);

sql/llx_importzugferd_datanorm.sql

@@ -0,0 +1,34 @@
+-- ============================================================================
+-- Copyright (C) 2026  ZUGFeRD Import Module
+--
+-- Datanorm-Artikeltabelle: Importierte Artikeldaten aus Datanorm-Dateien
+-- ============================================================================
+
+CREATE TABLE llx_importzugferd_datanorm (
+    rowid               integer AUTO_INCREMENT PRIMARY KEY NOT NULL,
+    fk_soc              integer NOT NULL,                       -- Lieferant
+    article_number      varchar(128) NOT NULL,                  -- Artikelnummer (Typ A Feld 2)
+    short_text1         varchar(255),                           -- Kurztext 1 (Typ A Feld 4)
+    short_text2         varchar(255),                           -- Kurztext 2 (Typ A Feld 5)
+    long_text           text,                                   -- Langtext (Typ B)
+    ean                 varchar(32),                            -- EAN/GTIN (Typ A Feld 17)
+    manufacturer_ref    varchar(128),                           -- Hersteller-Artikelnummer (Typ A Feld 15)
+    manufacturer_name   varchar(128),                           -- Herstellername (Typ A Feld 16)
+    unit_code           varchar(8),                             -- Mengeneinheit (Typ A Feld 6)
+    price               double(24,8) DEFAULT 0,                 -- Listenpreis (Typ P)
+    price_unit          integer DEFAULT 1,                      -- Preiseinheit (Stück pro Preis)
+    discount_group      varchar(32),                            -- Rabattgruppe (Typ A Feld 8)
+    product_group       varchar(64),                            -- Warengruppe (Typ A Feld 9)
+    alt_unit            varchar(8),                             -- Alternative Mengeneinheit
+    alt_unit_factor     double(10,4) DEFAULT 1,                 -- Umrechnungsfaktor
+    weight              double(10,4),                           -- Gewicht in kg
+    matchcode           varchar(128),                           -- Matchcode für Suche (Typ A Feld 3)
+    datanorm_version    varchar(8),                             -- Datanorm Version (4.0, 5.0)
+    import_date         datetime NOT NULL,                      -- Importzeitpunkt
+    active              tinyint DEFAULT 1,                      -- Aktiv/Inaktiv
+    date_creation       datetime NOT NULL,
+    tms                 timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    fk_user_creat       integer,
+    fk_user_modif       integer,
+    entity              integer DEFAULT 1 NOT NULL
+) ENGINE=innodb;