+global\Events_Admin_Page::deleteEventsAndDependentData()

Complexity

Conditions	9
Paths	80

Size

Total Lines

93

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    protected function deleteEventsAndDependentData($event_ids)
    {
        // Call me an optimist.
        $success = true;
        $espresso_no_ticket_prices = get_option('ee_no_ticket_prices', array());

        // Find all the root nodes to delete (this isn't just events, because there's other data, like related tickets,
        // prices, message templates, etc, whose model definition doesn't make them dependent on events. But,
        // we have no UI to access them independent of events, so they may as well get deleted too.)
        $model_objects_to_delete = [];
        foreach ($event_ids as $event_id) {
            $event = EEM_Event::instance()->get_one_by_ID($event_id);
//            $model_objects_to_delete[] = $event;
            // Also, we want to delete their related, non-global, tickets, prices and message templates
            $related_non_global_tickets = EEM_Ticket::instance()->get_all_deleted_and_undeleted(
                [
                    [
                        'TKT_is_default' => false,
                        'Datetime.EVT_ID' => $event_id
                    ]
                ]
            );
            $related_non_globa_prices = EEM_Price::instance()->get_all_deleted_and_undeleted(
                [
                    [
                        'PRC_is_default' => false,
                        'Ticket.Datetime.EVT_ID' => $event_id
                    ]
                ]
            );
            $related_message_templates = $event->get_many_related(
                'Message_Template_Group',
                [
                    [
                        'MTP_is_global' => false
                    ]
                ]
            );
            $model_objects_to_delete = array_merge(
                $model_objects_to_delete,
                [$event],
                $related_non_global_tickets,
                $related_non_globa_prices,
                $related_message_templates
            );
        }

        // Find all the dependent model objects we want to delete.
        $ids_to_delete = [];
        foreach ($model_objects_to_delete as $model_object_to_delete) {
            $node = new ModelObjNode($model_object_to_delete);
            $node->visit(9999);
            $ids_to_delete = array_replace_recursive($ids_to_delete, $node->getIds());
        }

        // Delete them all, one query per model.
        foreach ($ids_to_delete as $model_name => $ids) {
            $model = EE_Registry::instance()->load_model($model_name);
            if ($model->has_primary_key_field()) {
                $where_conditions = [
                    $model->primary_key_name() => [
                        'IN',
                        $ids
                    ]
                ];
            } else {
                $where_conditions = [
                    'OR' => []
                ];
                foreach ($ids as $index_primary_key_string) {
                    $keys_n_values = $model->parse_index_primary_key_string($index_primary_key_string);
                    $where_conditions['OR'][ 'AND*' . $index_primary_key_string ] = $keys_n_values;
                }
            }
            if (!$model->delete_permanently(
                [
                    $where_conditions
                ],
                false
            )) {
                $success = false;
            }
        }
        if (isset($espresso_no_ticket_prices[ $event_id ])) {
            unset($espresso_no_ticket_prices[ $event_id ]);
        }
        // Fire a legacy action.
        foreach ($event_ids as $event_id) {
            do_action('AHEE__Events_Admin_Page___permanently_delete_event__after_event_deleted', $event_id);
        }
        update_option('ee_no_ticket_prices', $espresso_no_ticket_prices);
        return $success;
    }