Added tighter constraints on deleting components

Signed-off-by: snipe <snipe@snipe.net>

app/Http/Controllers/Api/ComponentsController.php

@@ -48,7 +48,8 @@ class ComponentsController extends Controller
             ];
 
         $components = Component::select('components.*')
-            ->with('company', 'location', 'category', 'assets', 'supplier', 'adminuser', 'manufacturer');
+            ->with('company', 'location', 'category', 'assets', 'supplier', 'adminuser', 'manufacturer', 'uncontrainedAssets')
+            ->withSum('uncontrainedAssets', 'components_assets.assigned_qty');
 
         if ($request->filled('search')) {
             $components = $components->TextSearch($request->input('search'));
@@ -197,6 +198,11 @@ class ComponentsController extends Controller
         $this->authorize('delete', Component::class);
         $component = Component::findOrFail($id);
         $this->authorize('delete', $component);
+
+        if ($component->numCheckedOut() > 0) {
+            return response()->json(Helper::formatStandardApiResponse('error', null,  trans('admin/components/message.delete.error_qty')));
+        }
+
         $component->delete();
 
         return response()->json(Helper::formatStandardApiResponse('success', null, trans('admin/components/message.delete.success')));

app/Http/Controllers/Components/ComponentsController.php

@@ -196,6 +196,10 @@ class ComponentsController extends Controller
             }
         }
 
+        if ($component->numCheckedOut() > 0) {
+            return redirect()->route('components.index')->with('error', trans('admin/components/message.delete.error_qty'));
+        }
+
         $component->delete();
 
         return redirect()->route('components.index')->with('success', trans('admin/components/message.delete.success'));

app/Http/Transformers/ComponentsTransformer.php

@@ -62,7 +62,7 @@ class ComponentsTransformer
             'checkout' => Gate::allows('checkout', Component::class),
             'checkin' => Gate::allows('checkin', Component::class),
             'update' => Gate::allows('update', Component::class),
-            'delete' => Gate::allows('delete', Component::class),
+            'delete' => $component->isDeletable(),
         ];
         $array += $permissions_array;