private function createClassrooms($interval)
 {
     $classrooms = $interval->classrooms;
     $WiziqApi = new WiziqApi();
     if (App::environment() == 'local') {
         $status_ping_url = 'http://46.40.236.186:9090/DARES/public/classrooms/classrooms/status_ping';
         // $status_ping_url = 'https://el-css.edu.om/admin/public/classrooms/classrooms/status_ping';
     } else {
         $status_ping_url = 'https://google.com';
         // $status_ping_url = 'https://el-css.edu.om/admin/public/classrooms/classrooms/status_ping';
     }
     // Log::info($status_ping_url);
     foreach ($classrooms as $classroom) {
         $error = 0;
         $subject = $classroom->subject;
         $teacher = $classroom->teacher;
         $increment_date = Date::parse($interval->from_date . " " . $classroom->hour);
         while ($increment_date->format("Y-m-d H:i:s") <= $interval->to_date . " 23:59:59") {
             $exists = ClassroomSession::where('start_at', $increment_date->format("Y-m-d H:i:s"))->where('classroom_id', $classroom->id)->count();
             if ($increment_date->dayOfWeek == $classroom->day && $increment_date->isFuture() && !$exists) {
                 try {
                     $wiziqclassroom = WiziqClassroom::build($interval->title . " - " . $subject->name, new DateTime($increment_date->format("Y-m-d H:i:s")))->withPresenter($teacher->id, $teacher->name)->withAttendeeLimit(config("classrooms.attendee_limit"))->withReturnUrl('')->withDuration(60)->withExtendDuration(0)->withStatusPingUrl($status_ping_url)->withTimeZone("Asia/Muscat")->withLanguageCultureName("ar-SA")->withCreateRecording(true);
                     $response = $WiziqApi->create($wiziqclassroom);
                     $data = ['title' => $interval->title, 'wiziq_id' => $response['class_id'], 'interval_id' => $interval->id, 'classroom_id' => $classroom->id, 'subject_subject_id' => $subject->id, 'teacher_id' => $teacher->id, 'start_at' => $increment_date->format("Y-m-d H:i:s"), 'duration' => 60, 'recording_link' => $response['recording_url'], 'presenter_link' => $response['presenter_url']];
                     /** add attendees to virtual classroom */
                     if ($session = ClassroomSession::create($data)) {
                         $error = $this->createStudentsSessions($classroom->students, $session);
                     }
                     //\Log::info($response);
                 } catch (\mikemix\Wiziq\Common\Api\Exception\CallException $e) {
                     // \Log::warning($e->getMessage());
                     $error = 1;
                 } catch (\mikemix\Wiziq\Common\Http\Exception\InvalidResponseException $e) {
                     // \Log::warning($e->getMessage());
                     $error = 1;
                 } catch (\PDOException $e) {
                     $error = 1;
                 }
             }
             $increment_date->add("1 day");
         }
         if ($error == 0) {
             $interval->state = 'done';
             $interval->save();
             event(new IntervalVirtualClassroomsCreated($interval->title));
         }
     }
 }