/**
  * Format class editions info data to be displayed
  * @param array $courses
  * @return array
  */
 protected function _getClassDisplayInfo($courses)
 {
     $model = new ClassroomLms();
     $class_info = $model->getUserEditionsInfo(Docebo::user()->getIdst(), $courses);
     if (empty($class_info)) {
         return array();
     }
     $dm = new DateManager();
     $status_arr = $dm->getStatusForDropdown();
     $output = array();
     foreach ($class_info as $id_course => $classrooms) {
         $output[$id_course] = array();
         foreach ($classrooms as $id_classroom => $classroom) {
             if (!isset($output[$id_course][$id_classroom])) {
                 $output[$id_course][$id_classroom] = new stdClass();
                 $output[$id_course][$id_classroom]->code = $classroom->code;
                 $output[$id_course][$id_classroom]->name = $classroom->name;
                 $output[$id_course][$id_classroom]->location = $classroom->location;
                 $output[$id_course][$id_classroom]->enrolled = $classroom->enrolled;
                 $output[$id_course][$id_classroom]->status = $status_arr[$classroom->status];
                 $output[$id_course][$id_classroom]->date_min = $classroom->date_min;
                 $output[$id_course][$id_classroom]->date_max = $classroom->date_max;
                 if (property_exists($classroom, 'date_info')) {
                     $output[$id_course][$id_classroom]->date_info = $classroom->date_info;
                     // (array)
                 } else {
                     $output[$id_course][$id_classroom]->date_info = false;
                 }
             }
             if (!property_exists($output[$id_course][$id_classroom], 'start_date')) {
                 $output[$id_course][$id_classroom]->start_date = $classroom->date_begin;
             }
             if (!property_exists($output[$id_course][$id_classroom], 'end_date')) {
                 $output[$id_course][$id_classroom]->end_date = $classroom->date_end;
             }
             if ($classroom->date_end > $output[$id_course][$id_classroom]->end_date) {
                 $output[$id_course][$id_classroom]->end_date = $classroom->date_end;
             }
             if ($classroom->date_begin < $output[$id_course][$id_classroom]->start_date) {
                 $output[$id_course][$id_classroom]->start_date = $classroom->date_begin;
             }
         }
     }
     return $output;
 }