user()->can($this->isMethod('post') ? 'create-assignments' : 'update-assignments'); } public function rules(): array { return [ 'course_class_id' => ['required', 'integer', Rule::exists('course_classes', 'id')], 'title' => ['required', 'string', 'max:150'], 'description' => ['nullable', 'string'], 'deadline' => ['required', 'date'], 'attachment' => ['nullable', 'file', 'max:10240', 'mimes:pdf,doc,docx,ppt,pptx,xls,xlsx,jpg,jpeg,png,mp4,zip'], ]; } }