public function destroyCourseSchedule($id)
 {
     $courseSchedule = CourseSchedule::find($id);
     $courseSchedule->delete();
     return response()->json(['id' => $id]);
 }
 public function getCourseReserveById(Request $request, $id)
 {
     $courseSchedule = CourseSchedule::find($id);
     return view('mobile.courses.reserve', compact('courseSchedule'));
 }