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Prevent Double Booking Overlapping Events

eventsmanager Mar 16th, 2018 (edited) 169 Never
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  1. <?php
  2. /*
  3.  Plugin Name: Events Manager Booking Overlaps
  4.  Version: 1.0
  5.  Plugin URI: http://wp-events-plugin.com
  6.  Description: Prevents booking two events which overlap times. Works with Multiple Bookings mode as well.
  7.  Author: Marcus Sykes
  8.  Author URI: http://wp-events-plugin.com
  9.  Text Domain: events-manager
  10. */
  11. /*
  12. INSTALLATION/USAGE INSTRUCTIONS:
  13. You can install this plugin by pasting this to a file called events-manager-booking-overlaps.php and move it to your plugins folder, or place it within a folder in your plugins folder having the same name as your file, e.g. wp-content/plugins/events-manager-booking-overlaps/events-manager-booking-overlaps.php
  14. */
  15.  
  16. /**
  17.  * @param boolean $result
  18.  * @param EM_Booking $EM_Booking
  19.  */
  20. function my_em_double_booking_prevention( $result, $EM_Booking ){
  21.     if( $result && is_user_logged_in() ){
  22.         $EM_Event = $EM_Booking->get_event();
  23.         add_filter('pre_option_dbem_events_current_are_past', function(){ return 0; }, 1111);
  24.         $EM_Bookings = EM_Bookings::get( array('person'=>get_current_user_id(), 'owner' => false, 'scope' => array($EM_Event->event_start_date, $EM_Event->event_end_date) ) );
  25.         remove_all_filters('pre_option_dbem_events_current_are_past', 1111);
  26.         foreach( $EM_Bookings as $booking ){ /* @var EM_Booking $booking */
  27.             if( in_array($booking->booking_status, array(0,1,4,5)) && my_em_mb_double_booking_prevention_compare($EM_Event, $booking->get_event()) ){
  28.                 $result = false;
  29.                 $EM_Booking->add_error(__('You already have a booking during the time of this event. Please select another event or cancel your previous booking.', 'events-manager'));
  30.             }
  31.         }
  32.     }
  33.     return $result;
  34. }
  35. add_filter('em_booking_validate', 'my_em_double_booking_prevention', 10, 2);
  36.  
  37. /**
  38.  * @param true $result
  39.  * @param EM_Booking $EM_Booking
  40.  * @param EM_Multiple_Booking $EM_Multiple_Booking
  41.  */
  42. function my_em_mb_double_booking_prevention( $result, $EM_Booking, $EM_Multiple_Booking){
  43.     if( $result ){
  44.         $EM_Event = $EM_Booking->get_event();
  45.         foreach( $EM_Multiple_Booking->get_bookings() as $event_id => $booking ){ /* @var EM_Booking $booking */
  46.             if( $EM_Event->event_id != $event_id && my_em_mb_double_booking_prevention_compare($EM_Event, $booking->get_event()) ){
  47.                 $result = false;
  48.                 $EM_Booking->add_error(__('You already have a booking in your cart during the time of this event. Please select another event or remove your other booking from the cart.', 'events-manager'));
  49.                 $EM_Multiple_Booking->remove_booking($booking->get_event()->event_id);
  50.             }
  51.         }
  52.     }
  53.     return $result;
  54. }
  55. add_filter('em_multiple_booking_add_booking', 'my_em_mb_double_booking_prevention', 10, 3);
  56.  
  57. function my_em_mb_double_booking_prevention_compare($EM_Event, $event){
  58.     $start_time = method_exists($EM_Event, 'start') ? $EM_Event->start()->getTimestamp() : $EM_Event->start;
  59.     $end_time = method_exists($EM_Event, 'end') ? $EM_Event->end()->getTimestamp() : $EM_Event->end;
  60.     $event_start_time = method_exists($event, 'start') ? $event->start()->getTimestamp() : $event->start;
  61.     $event_end_time = method_exists($event, 'end') ? $event->end()->getTimestamp() : $event->end;
  62.     if( $event_start_time > $start_time && $event_start_time < $end_time ) return true;
  63.     if( $event_end_time > $start_time && $event_end_time < $end_time ) return true;
  64.     if( $event_start_time <= $start_time && $event_end_time >= $end_time ) return true;
  65.     return false;
  66. }
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