kundenkarte/ajax/equipment.php

<?php
/* Copyright (C) 2026 Alles Watt lauft
 *
 * AJAX endpoint for equipment (Sicherungsautomaten, etc.)
 */

if (!defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1');
if (!defined('NOREQUIREMENU')) define('NOREQUIREMENU', '1');
if (!defined('NOREQUIREHTML')) define('NOREQUIREHTML', '1');
if (!defined('NOREQUIREAJAX')) define('NOREQUIREAJAX', '1');

$res = 0;
if (!$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.'/custom/kundenkarte/class/equipment.class.php';
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentcarrier.class.php';
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmenttype.class.php';
dol_include_once('/kundenkarte/class/auditlog.class.php');

header('Content-Type: application/json; charset=UTF-8');

$action = GETPOST('action', 'aZ09');
$equipmentId = GETPOSTINT('equipment_id');
$carrierId = GETPOSTINT('carrier_id');

$equipment = new Equipment($db);
$auditLog = new AuditLog($db);

$response = array('success' => false, 'error' => '');

// Security check
if (!$user->hasRight('kundenkarte', 'read')) {
	$response['error'] = 'Permission denied';
	echo json_encode($response);
	exit;
}

switch ($action) {
	case 'get_products':
		// Get products for equipment selection (electrical components)
		require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
		$search = GETPOST('search', 'alphanohtml');
		$limit = GETPOSTINT('limit') ?: 50;

		$sql = "SELECT p.rowid, p.ref, p.label, p.price, p.fk_product_type";
		$sql .= " FROM ".MAIN_DB_PREFIX."product as p";
		$sql .= " WHERE p.entity IN (".getEntity('product').")";
		$sql .= " AND p.tosell = 1";
		if (!empty($search)) {
			$sql .= " AND (p.ref LIKE '%".$db->escape($search)."%' OR p.label LIKE '%".$db->escape($search)."%')";
		}
		$sql .= " ORDER BY p.ref ASC";
		$sql .= " LIMIT ".((int) $limit);

		$resql = $db->query($sql);
		$products = array();
		if ($resql) {
			while ($obj = $db->fetch_object($resql)) {
				$products[] = array(
					'id' => $obj->rowid,
					'ref' => $obj->ref,
					'label' => $obj->label,
					'price' => $obj->price,
					'display' => $obj->ref.' - '.$obj->label
				);
			}
		}
		$response['success'] = true;
		$response['products'] = $products;
		break;

	case 'get_product':
		// Get single product by ID
		require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
		$productId = GETPOSTINT('product_id');
		if ($productId > 0) {
			$product = new Product($db);
			if ($product->fetch($productId) > 0) {
				$response['success'] = true;
				$response['product'] = array(
					'id' => $product->id,
					'ref' => $product->ref,
					'label' => $product->label,
					'display' => $product->ref.' - '.$product->label
				);
			} else {
				$response['error'] = 'Product not found';
			}
		} else {
			$response['error'] = 'No product_id provided';
		}
		break;

	case 'get_types':
		// Get all equipment types for dropdown
		require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmenttype.class.php';
		$eqType = new EquipmentType($db);
		$systemId = GETPOSTINT('system_id');
		$types = $eqType->fetchAllBySystem($systemId, 1); // Filter by system if provided, only active

		$result = array();
		foreach ($types as $t) {
			$result[] = array(
				'id' => $t->id,
				'ref' => $t->ref,
				'label' => $t->label,
				'label_short' => $t->label_short,
				'width_te' => $t->width_te,
				'color' => $t->color,
				'picto' => $t->picto
			);
		}
		$response['success'] = true;
		$response['types'] = $result;
		break;

	case 'get_type_fields':
		// Get fields for a specific equipment type
		$typeId = GETPOSTINT('type_id');
		if ($typeId > 0) {
			$sql = "SELECT field_code, field_label, field_type, field_options, required, position, show_on_block, show_in_hover";
			$sql .= " FROM ".MAIN_DB_PREFIX."kundenkarte_equipment_type_field";
			$sql .= " WHERE fk_equipment_type = ".((int) $typeId);
			$sql .= " AND active = 1";
			$sql .= " ORDER BY position ASC";

			$resql = $db->query($sql);
			$fields = array();
			if ($resql) {
				while ($obj = $db->fetch_object($resql)) {
					$fields[] = array(
						'field_code' => $obj->field_code,
						'field_label' => $obj->field_label,
						'field_type' => $obj->field_type,
						'field_options' => $obj->field_options,
						'required' => $obj->required,
						'show_on_block' => $obj->show_on_block,
						'show_in_hover' => $obj->show_in_hover
					);
				}
			}
			$response['success'] = true;
			$response['fields'] = $fields;
		} else {
			$response['error'] = 'No type_id provided';
		}
		break;

	case 'get':
		// Get single equipment data
		if ($equipmentId > 0 && $equipment->fetch($equipmentId) > 0) {
			$response['success'] = true;
			$response['equipment'] = array(
				'id' => $equipment->id,
				'fk_carrier' => $equipment->fk_carrier,
				'type_id' => $equipment->fk_equipment_type,
				'type_label' => $equipment->type_label,
				'type_label_short' => $equipment->type_label_short,
				'type_color' => $equipment->type_color,
				'type_icon_file' => $equipment->type_icon_file,
				'label' => $equipment->label,
				'position_te' => $equipment->position_te,
				'width_te' => $equipment->width_te,
				'field_values' => $equipment->getFieldValues(),
				'fk_product' => $equipment->fk_product,
				'fk_protection' => $equipment->fk_protection,
				'protection_label' => $equipment->protection_label
			);
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	case 'get_protection_devices':
		// Get all protection devices (FI/RCD) for an Anlage
		$anlageId = GETPOSTINT('anlage_id');
		if ($anlageId > 0) {
			$devices = $equipment->fetchProtectionDevices($anlageId);
			$result = array();
			foreach ($devices as $d) {
				$result[] = array(
					'id' => $d->id,
					'label' => $d->label ?: $d->type_label,
					'type_label' => $d->type_label,
					'type_label_short' => $d->type_label_short,
					'display_label' => ($d->label ?: $d->type_label_short ?: $d->type_label).' (Pos. '.$d->position_te.')'
				);
			}
			$response['success'] = true;
			$response['devices'] = $result;
		} else {
			$response['error'] = 'Missing anlage_id';
		}
		break;

	case 'list':
		// List all equipment on a carrier
		if ($carrierId > 0) {
			$items = $equipment->fetchByCarrier($carrierId);
			$result = array();

			// Cache type fields for performance
			$typeFieldsCache = array();

			foreach ($items as $eq) {
				$iconUrl = '';
				if (!empty($eq->type_icon_file)) {
					$iconUrl = DOL_URL_ROOT.'/document.php?modulepart=kundenkarte&file=equipment_icons/'.urlencode($eq->type_icon_file);
				}

				// Load type fields if not cached
				$typeId = $eq->fk_equipment_type;
				if (!isset($typeFieldsCache[$typeId])) {
					$typeFieldsCache[$typeId] = array();
					$sql = "SELECT field_code, field_label, show_on_block, show_in_hover";
					$sql .= " FROM ".MAIN_DB_PREFIX."kundenkarte_equipment_type_field";
					$sql .= " WHERE fk_equipment_type = ".((int) $typeId);
					$sql .= " AND active = 1";
					$sql .= " ORDER BY position ASC";
					$resql = $db->query($sql);
					if ($resql) {
						while ($obj = $db->fetch_object($resql)) {
							$typeFieldsCache[$typeId][] = array(
								'field_code' => $obj->field_code,
								'field_label' => $obj->field_label,
								'show_on_block' => (int) $obj->show_on_block,
								'show_in_hover' => (int) $obj->show_in_hover
							);
						}
					}
				}

				// Load product data if assigned
				$productRef = '';
				$productLabel = '';
				if (!empty($eq->fk_product)) {
					$sqlProd = "SELECT ref, label FROM ".MAIN_DB_PREFIX."product WHERE rowid = ".((int) $eq->fk_product);
					$resProd = $db->query($sqlProd);
					if ($resProd && ($objProd = $db->fetch_object($resProd))) {
						$productRef = $objProd->ref;
						$productLabel = $objProd->label;
					}
				}

				$result[] = array(
					'id' => $eq->id,
					'type_id' => $eq->fk_equipment_type,
					'type_label' => $eq->type_label,
					'type_label_short' => $eq->type_label_short,
					'type_ref' => $eq->type_ref,
					'type_color' => $eq->type_color,
					'type_icon_file' => $eq->type_icon_file,
					'type_icon_url' => $iconUrl,
					'type_block_image' => $eq->type_block_image,
					'type_block_image_url' => !empty($eq->type_block_image) ? DOL_URL_ROOT.'/document.php?modulepart=kundenkarte&file=block_images/'.urlencode($eq->type_block_image) : '',
					'type_flow_direction' => $eq->type_flow_direction,
					'type_terminal_position' => $eq->type_terminal_position ?: 'both',
					'terminals_config' => $eq->terminals_config,
					'type_fields' => $typeFieldsCache[$typeId],
					'label' => $eq->label,
					'position_te' => $eq->position_te,
					'width_te' => $eq->width_te,
					'block_label' => $eq->getBlockLabel(),
					'block_color' => $eq->getBlockColor(),
					'field_values' => $eq->getFieldValues(),
					'fk_product' => $eq->fk_product,
					'product_ref' => $productRef,
					'product_label' => $productLabel
				);
			}
			$response['success'] = true;
			$response['equipment'] = $result;
		} else {
			$response['error'] = 'Missing carrier_id';
		}
		break;

	case 'create':
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Permission denied';
			break;
		}

		$equipment->fk_carrier = $carrierId;
		$equipment->fk_equipment_type = GETPOSTINT('type_id');
		$equipment->label = GETPOST('label', 'alphanohtml');
		$equipment->position_te = GETPOSTINT('position_te');
		$equipment->width_te = GETPOSTINT('width_te');
		$equipment->fk_product = GETPOSTINT('fk_product');
		$equipment->fk_protection = GETPOSTINT('fk_protection');
		$equipment->protection_label = GETPOST('protection_label', 'alphanohtml');

		// Field values
		$fieldValues = GETPOST('field_values', 'nohtml');
		if ($fieldValues) {
			$equipment->field_values = $fieldValues;
		}

		// If no width specified, get from type
		if (empty($equipment->width_te)) {
			$type = new EquipmentType($db);
			if ($type->fetch($equipment->fk_equipment_type) > 0) {
				$equipment->width_te = $type->width_te;
			} else {
				$equipment->width_te = 1;
			}
		}

		// Check carrier and position
		$carrier = new EquipmentCarrier($db);
		if ($carrier->fetch($carrierId) > 0) {
			// If no position specified, find next free position (1-based)
			if (empty($equipment->position_te)) {
				$equipment->position_te = $carrier->getNextFreePosition($equipment->width_te);
				if ($equipment->position_te < 0) {
					$response['error'] = 'No free position available on carrier';
					break;
				}
			}

			// Check if position is available
			if (!$carrier->isPositionAvailable($equipment->position_te, $equipment->width_te)) {
				$response['error'] = 'Position not available';
				break;
			}

			// Auto-generate label if empty: R2.1 or R2.1-3 for multi-TE
			if (empty($equipment->label)) {
				$carrierLabel = $carrier->label ?: ('R'.$carrier->id);
				$posStart = $equipment->position_te;
				$posEnd = $posStart + $equipment->width_te - 1;
				if ($equipment->width_te > 1) {
					$equipment->label = $carrierLabel.'.'.$posStart.'-'.$posEnd;
				} else {
					$equipment->label = $carrierLabel.'.'.$posStart;
				}
			}
		}

		$result = $equipment->create($user);
		if ($result > 0) {
			$response['success'] = true;
			$response['equipment_id'] = $result;
			$response['block_label'] = $equipment->getBlockLabel();

			// Audit log
			$anlageId = 0;
			if ($carrier->fk_panel > 0) {
				require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentpanel.class.php';
				$panel = new EquipmentPanel($db);
				if ($panel->fetch($carrier->fk_panel) > 0) {
					$anlageId = $panel->fk_anlage;
				}
			} else {
				$anlageId = $carrier->fk_anlage;
			}
			$auditLog->logCreate($user, AuditLog::TYPE_EQUIPMENT, $result, $equipment->label ?: $equipment->type_label, 0, $anlageId, array(
				'type_id' => $equipment->fk_equipment_type,
				'position_te' => $equipment->position_te,
				'width_te' => $equipment->width_te
			));
		} else {
			$response['error'] = $equipment->error;
		}
		break;

	case 'update':
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Permission denied';
			break;
		}
		if ($equipment->fetch($equipmentId) > 0) {
			$newPosition = GETPOSTINT('position_te');
			$newWidth = GETPOSTINT('width_te') ?: $equipment->width_te;

			// Check if new position is available (excluding current equipment)
			if ($newPosition != $equipment->position_te || $newWidth != $equipment->width_te) {
				$carrier = new EquipmentCarrier($db);
				if ($carrier->fetch($equipment->fk_carrier) > 0) {
					if (!$carrier->isPositionAvailable($newPosition, $newWidth, $equipmentId)) {
						$response['error'] = 'Position not available';
						break;
					}
				}
			}

			$equipment->fk_equipment_type = GETPOSTINT('type_id') ?: $equipment->fk_equipment_type;
			$equipment->label = GETPOST('label', 'alphanohtml');
			$equipment->position_te = $newPosition;
			$equipment->width_te = $newWidth;
			$equipment->fk_product = GETPOSTINT('fk_product');
			$equipment->fk_protection = GETPOSTINT('fk_protection');
			$equipment->protection_label = GETPOST('protection_label', 'alphanohtml');

			$fieldValues = GETPOST('field_values', 'nohtml');
			if ($fieldValues) {
				$equipment->field_values = $fieldValues;
			}

			// Auto-generate label if empty
			if (empty(trim($equipment->label))) {
				$carrier = new EquipmentCarrier($db);
				if ($carrier->fetch($equipment->fk_carrier) > 0) {
					$carrierLabel = $carrier->label ?: ('R'.$carrier->id);
					$posStart = $equipment->position_te;
					$posEnd = $posStart + $equipment->width_te - 1;
					if ($equipment->width_te > 1) {
						$equipment->label = $carrierLabel.'.'.$posStart.'-'.$posEnd;
					} else {
						$equipment->label = $carrierLabel.'.'.$posStart;
					}
				}
			}

			$oldLabel = isset($oldLabel) ? $oldLabel : $equipment->label;
			$oldPosition = isset($oldPosition) ? $oldPosition : $equipment->position_te;
			$result = $equipment->update($user);
			if ($result > 0) {
				$response['success'] = true;
				$response['block_label'] = $equipment->getBlockLabel();

				// Audit log
				$anlageId = 0;
				$carrier = new EquipmentCarrier($db);
				if ($carrier->fetch($equipment->fk_carrier) > 0) {
					if ($carrier->fk_panel > 0) {
						require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentpanel.class.php';
						$panel = new EquipmentPanel($db);
						if ($panel->fetch($carrier->fk_panel) > 0) {
							$anlageId = $panel->fk_anlage;
						}
					} else {
						$anlageId = $carrier->fk_anlage;
					}
				}
				$auditLog->logUpdate($user, AuditLog::TYPE_EQUIPMENT, $equipment->id, $equipment->label ?: $equipment->type_label, 'properties', null, null, 0, $anlageId);
			} else {
				$response['error'] = $equipment->error;
			}
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	case 'update_position':
		// Quick position update for drag-drop
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Permission denied';
			break;
		}
		if ($equipment->fetch($equipmentId) > 0) {
			$newPosition = GETPOSTINT('position_te');

			// Check if new position is available
			$carrier = new EquipmentCarrier($db);
			if ($newPosition != $equipment->position_te) {
				if ($carrier->fetch($equipment->fk_carrier) > 0) {
					if (!$carrier->isPositionAvailable($newPosition, $equipment->width_te, $equipmentId)) {
						$response['error'] = 'Position not available';
						break;
					}
				}
			} else {
				$carrier->fetch($equipment->fk_carrier);
			}

			// Update auto-generated label if it matches the pattern Rxx.xx or Rxx.xx-xx
			$oldLabel = $equipment->label;
			$carrierLabel = $carrier->label ?: ('R'.$carrier->id);
			if (preg_match('/^'.preg_quote($carrierLabel, '/').'\.(\d+)(-\d+)?$/', $oldLabel)) {
				$posStart = $newPosition;
				$posEnd = $posStart + $equipment->width_te - 1;
				if ($equipment->width_te > 1) {
					$equipment->label = $carrierLabel.'.'.$posStart.'-'.$posEnd;
				} else {
					$equipment->label = $carrierLabel.'.'.$posStart;
				}
			}

			$equipment->position_te = $newPosition;
			$result = $equipment->update($user);
			if ($result > 0) {
				$response['success'] = true;
				$response['new_label'] = $equipment->label;
			} else {
				$response['error'] = $equipment->error;
			}
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	case 'move_to_carrier':
		// Move equipment to different carrier (drag-drop between carriers)
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Permission denied';
			break;
		}
		if ($equipment->fetch($equipmentId) > 0) {
			$newCarrierId = GETPOSTINT('carrier_id');
			$newPosition = GETPOSTINT('position_te') ?: 1;

			// Get old carrier for label pattern check
			$oldCarrier = new EquipmentCarrier($db);
			$oldCarrier->fetch($equipment->fk_carrier);
			$oldCarrierLabel = $oldCarrier->label ?: ('R'.$oldCarrier->id);

			// Check if target carrier exists
			$targetCarrier = new EquipmentCarrier($db);
			if ($targetCarrier->fetch($newCarrierId) <= 0) {
				$response['error'] = 'Target carrier not found';
				break;
			}

			// Check if position is available on target carrier
			if (!$targetCarrier->isPositionAvailable($newPosition, $equipment->width_te, 0)) {
				$response['error'] = 'Position auf Ziel-Hutschiene nicht verfügbar';
				break;
			}

			// Update auto-generated label if it matches the old carrier pattern
			$oldLabel = $equipment->label;
			$newCarrierLabel = $targetCarrier->label ?: ('R'.$targetCarrier->id);
			if (preg_match('/^'.preg_quote($oldCarrierLabel, '/').'\.(\d+)(-\d+)?$/', $oldLabel)) {
				$posStart = $newPosition;
				$posEnd = $posStart + $equipment->width_te - 1;
				if ($equipment->width_te > 1) {
					$equipment->label = $newCarrierLabel.'.'.$posStart.'-'.$posEnd;
				} else {
					$equipment->label = $newCarrierLabel.'.'.$posStart;
				}
			}

			// Update equipment
			$equipment->fk_carrier = $newCarrierId;
			$equipment->position_te = $newPosition;
			$result = $equipment->update($user);
			if ($result > 0) {
				$response['success'] = true;
				$response['message'] = 'Equipment verschoben';
				$response['new_label'] = $equipment->label;
			} else {
				$response['error'] = $equipment->error;
			}
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	case 'delete':
		if (!$user->hasRight('kundenkarte', 'delete')) {
			$response['error'] = 'Permission denied';
			break;
		}
		if ($equipment->fetch($equipmentId) > 0) {
			// Get anlage_id before deletion for audit log
			$anlageId = 0;
			$deletedLabel = $equipment->label ?: $equipment->type_label;
			$deletedData = array(
				'type_id' => $equipment->fk_equipment_type,
				'type_label' => $equipment->type_label,
				'position_te' => $equipment->position_te,
				'width_te' => $equipment->width_te,
				'carrier_id' => $equipment->fk_carrier
			);

			$carrier = new EquipmentCarrier($db);
			if ($carrier->fetch($equipment->fk_carrier) > 0) {
				if ($carrier->fk_panel > 0) {
					require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentpanel.class.php';
					$panel = new EquipmentPanel($db);
					if ($panel->fetch($carrier->fk_panel) > 0) {
						$anlageId = $panel->fk_anlage;
					}
				} else {
					$anlageId = $carrier->fk_anlage;
				}
			}

			$result = $equipment->delete($user);
			if ($result > 0) {
				$response['success'] = true;

				// Audit log
				$auditLog->logDelete($user, AuditLog::TYPE_EQUIPMENT, $equipmentId, $deletedLabel, 0, $anlageId, $deletedData);
			} else {
				$response['error'] = $equipment->error;
			}
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	case 'duplicate':
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Permission denied';
			break;
		}
		if ($equipment->fetch($equipmentId) > 0) {
			$sourceId = $equipmentId;
			$newId = $equipment->duplicate($user);
			if ($newId > 0) {
				$response['success'] = true;
				$response['equipment_id'] = $newId;

				// Fetch the new equipment to return its data
				$newEquipment = new Equipment($db);
				if ($newEquipment->fetch($newId) > 0) {
					$response['equipment'] = array(
						'id' => $newEquipment->id,
						'fk_carrier' => $newEquipment->fk_carrier,
						'type_id' => $newEquipment->fk_equipment_type,
						'type_label' => $newEquipment->type_label,
						'type_label_short' => $newEquipment->type_label_short,
						'type_color' => $newEquipment->type_color,
						'type_ref' => $newEquipment->type_ref,
						'type_icon_file' => $newEquipment->type_icon_file,
						'terminals_config' => $newEquipment->terminals_config,
						'label' => $newEquipment->label,
						'position_te' => $newEquipment->position_te,
						'width_te' => $newEquipment->width_te,
						'block_label' => $newEquipment->getBlockLabel(),
						'block_color' => $newEquipment->getBlockColor(),
						'field_values' => $newEquipment->getFieldValues(),
						'fk_product' => $newEquipment->fk_product
					);

					// Audit log
					$anlageId = 0;
					$carrier = new EquipmentCarrier($db);
					if ($carrier->fetch($newEquipment->fk_carrier) > 0) {
						if ($carrier->fk_panel > 0) {
							require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentpanel.class.php';
							$panel = new EquipmentPanel($db);
							if ($panel->fetch($carrier->fk_panel) > 0) {
								$anlageId = $panel->fk_anlage;
							}
						} else {
							$anlageId = $carrier->fk_anlage;
						}
					}
					$auditLog->logDuplicate($user, AuditLog::TYPE_EQUIPMENT, $newId, $newEquipment->label ?: $newEquipment->type_label, $sourceId, 0, $anlageId);
				}
			} else {
				$response['error'] = $equipment->error ?: 'Duplication failed';
			}
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	case 'move':
		// Move equipment to new position (for drag & drop)
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Permission denied';
			break;
		}
		if ($equipment->fetch($equipmentId) > 0) {
			$newPosition = GETPOSTINT('position_te');

			$carrier = new EquipmentCarrier($db);
			if ($carrier->fetch($equipment->fk_carrier) > 0) {
				if ($carrier->isPositionAvailable($newPosition, $equipment->width_te, $equipmentId)) {
					$equipment->position_te = $newPosition;
					$result = $equipment->update($user);
					if ($result > 0) {
						$response['success'] = true;
					} else {
						$response['error'] = $equipment->error;
					}
				} else {
					$response['error'] = 'Position not available';
				}
			}
		} else {
			$response['error'] = 'Equipment not found';
		}
		break;

	default:
		$response['error'] = 'Unknown action';
}

echo json_encode($response);
$db->close();