(int)$model->id, "title" => $model->title, "course_category_id" => $model->course_category_id, "course_category" => $model->category, "tags" => $model->tags, "body" => $model->body, "is_release" => $model->is_release, "view_count" => $model->view_count, "comment_count" => $model->comment_count, "good_count" => $model->good_count, "user_id" => $model->user_id, "user" => $model->user, 'is_solve' => $model->type == 1 ? $model->is_solve : '--', "status" => $model->status, 'created_at' => $model->created_at->format(Carbon::DEFAULT_TO_STRING_FORMAT), 'updated_at' => $model->updated_at->format(Carbon::DEFAULT_TO_STRING_FORMAT) ]; } }