added categories to assetmanagement

application/AssetManagement/AssetManagementController.php

@@ -8,6 +8,7 @@ class AssetManagementController extends TTCrud
     // Simplified columns for better layout, details are in the 'assetDetails' slot
     protected array $columns = [
         ['key' => 'assetDetails', 'text' => 'Gerät', 'modal' => false, 'table' => ['filter' => 'search', 'sortable' => true]],
+        ['key' => 'category', 'text' => 'Kategorie', 'modal' => false, 'table' => ['filter' => 'select', 'filterOptions' => []]],
         ['key' => 'currentUser', 'text' => 'Status', 'modal' => false, 'table' => ['sortable' => false, 'filter' => false]],
         ['key' => 'location', 'text' => 'Lagerort', 'required' => true, 'modal' => ['type' => 'text'], 'table' => ['filter' => 'search']],
         ['key' => 'serviceDueDate', 'text' => 'Service fällig', 'required' => false, 'modal' => ['type' => 'date'], 'table' => ['filter' => 'date']],
@@ -22,6 +23,15 @@ class AssetManagementController extends TTCrud
             $this->additionalJSVariables['ASSET_ADMIN'] = '0';
             $this->columns = array_filter($this->columns, fn($col) => $col['key'] !== 'actions');
         }
+
+        $categories = AssetManagementModel::getDistinctCategories();
+        $categoryOptions = array_map(fn($cat) => ['value' => $cat, 'text' => $cat], $categories);
+        foreach ($this->columns as &$column) {
+            if ($column['key'] === 'category') {
+                $column['table']['filterOptions'] = $categoryOptions;
+                break;
+            }
+        }
     }
 
     /**
@@ -282,6 +292,18 @@ class AssetManagementController extends TTCrud
         self::returnJson(['success' => true, 'message' => 'Reservierung gelöscht.']);
     }
 
+    protected function getCategoriesAction()
+    {
+        $searchTerm = $this->request->q ?? '';
+        $categories = AssetManagementModel::getDistinctCategories($searchTerm);
+
+        $result = array_map(function($category) {
+            return ['value' => $category, 'text' => $category];
+        }, $categories);
+
+        self::returnJson($result);
+    }
+
     protected function printLabelAction() {
         if (!$this->user->can('AssetAdmin')) {
             self::sendError("Permission denied", 403);