update, delete entity relations

app/modules/tag/TagModule.php

@@ -61,10 +61,19 @@ class TagModule extends Module
 
     public function formInputs(string $entity, Model $model = null): void
     {
+        if (isset($model)) {
+            $tags= TagEntity::where("entity_id", $model->id)->get()->toArray();
+            $value = [];
+            foreach ($tags as $tag) {
+                $val = Tag::where('id', $tag['tag_id'])->first()->toArray();
+                $value[] = $val['label'];
+            }
+
+        }
         $input = SelectBuilder::build("tag[]", [
             'class' => 'form-control',
             'placeholder' => 'Теги',
-            'value' => '',
+            'value' => $value ?? '',
             'multiple' => "multiple",
             'options' => Tag::getTagLabelByEntity($entity)
         ]);
@@ -97,4 +106,9 @@ class TagModule extends Module
 
         return substr($tagsStr, 0, -2);
     }
+
+    public function deleteItems(string $entity, Model $model): void
+    {
+        TagEntity::where("entity", $entity)->where("entity_id", $model->id)->delete();
+    }
 }