/**
  *
  * @throws Exception
  */
 public function executeResetBreaks()
 {
     global $wpdb;
     $breaks = $this->getParameter('breaks');
     // remove all breaks for staff member
     $break = new AB_ScheduleItemBreak();
     $break->removeBreaksByStaffId($breaks['staff_id']);
     $html_breaks = array();
     // restore previous breaks
     if (isset($breaks['breaks']) && is_array($breaks['breaks'])) {
         $query = "INSERT INTO ab_schedule_item_break (staff_schedule_item_id, start_time, end_time) VALUES ";
         foreach ($breaks['breaks'] as $day) {
             $query .= "({$day['staff_schedule_item_id']}, '{$day['start']}', '{$day['end']}'), ";
         }
         $query = rtrim($query, ", ");
         $wpdb->get_results($query);
     }
     $staff = new AB_Staff();
     $staff->load($breaks['staff_id']);
     // make array with breaks (html) for each day
     foreach ($staff->getScheduleList() as $list_item) {
         $html_breaks[$list_item->id] = $this->render("_breaks", array('day_is_not_available' => null === $list_item->start_time, 'list_item' => $list_item, 'time_format' => get_option('time_format')), false);
     }
     echo json_encode($html_breaks);
     exit;
 }