public function addCourses(Request $request)
 {
     $org_profile = Organization_profile::where('userId', Auth::user()->id)->first();
     // $courses = array();
     foreach ($request['courses'] as $key => $courseId) {
         $org_crs = new Organization_course();
         $org_crs->organizationId = $org_profile->id;
         $org_crs->courseId = $courseId;
         $org_crs->save();
     }
     return $request['courses'];
 }