public function update($id)
 {
     $cover = ForumCover::findOrFail($id);
     if (Request::hasFile('cover_file') === true) {
         try {
             $cover = $cover->updateFile(Request::file('cover_file')->getRealPath(), Auth::user());
         } catch (ImageProcessorException $e) {
             return error_popup($e->getMessage());
         }
     }
     return fractal_item_array($cover, new ForumCoverTransformer());
 }
 public function update($id)
 {
     $cover = ForumCover::findOrFail($id);
     $cover->update($this->coverParams());
     return redirect(route('admin.forum.forum-covers.index') . '#forum-' . $cover->forum_id);
 }