FEATURE #1551: add deleting directory after page deletion.

modules/Gallery/Handlers/Gallery.php

@@ -207,4 +207,34 @@ class Gallery implements AppHandler
 
         Storage::put(self::CONFIG_FILENAME, $directory->id);
     }
+
+    /**
+     * Method called right after content page is marked as deleted
+     *
+     * This method is supposed to clean after "deleted" page.
+     *
+     * @param Content $content
+     *
+     * @return mixed
+     */
+    public static function delete(Content $content)
+    {
+        // try to convert module_settings into something more accessible
+        if (is_string($content->module_settings)) {
+            $content->module_settings = json_decode($content->module_settings);
+        }
+
+        // get directory id
+        $directoryId = $content->module_settings->directoryId;
+
+        $directory = Directory::find($directoryId);
+
+        // check if gallery exists
+        if (!$directory) {
+            return;
+        }
+
+        // delete directory used as photogallery
+        $directory->delete();
+    }
 }