App\Http\Controllers\Forum\ForumCoversController::store PHP Method

    public function store()
    {
        if (Request::hasFile('cover_file') !== true) {
            abort(422);
        }
        $forum = Forum::findOrFail(Request::input('forum_id'));
        if ($forum->cover !== null) {
            abort(422);
        }
        try {
            $cover = ForumCover::upload(Request::file('cover_file')->getRealPath(), Auth::user(), $forum);
        } catch (ImageProcessorException $e) {
            return error_popup($e->getMessage());
        }
        return json_item($cover, new ForumCoverTransformer());
    }