cleanlocationeventsagent.php

<?php
 
namespace Bitrix\Calendar\Rooms\Util;
 
use Bitrix\Calendar\Internals\EventTable;
use Bitrix\Main\Entity\ReferenceField;
use Bitrix\Main\Loader;
use Bitrix\Main\ORM\Query\Query;
use Bitrix\Main\SystemException;
use Bitrix\Main\UserTable;
 
final class CleanLocationEventsAgent
{
    public const DO_CLEAR_DELETED_USER_LOCATION_EVENTS = false;
    private const DAY_LENGTH = 86400;
 
    public static function cleanAgent(): string
    {
        (new self())->cleanLocationEvents();
 
        return "\\Bitrix\\Calendar\\Rooms\\Util\\CleanLocationEventsAgent::cleanAgent();";
    }
 
    private function cleanLocationEvents(): void
    {
        if (!Loader::includeModule('calendar'))
        {
            return;
        }
 
        $toCleanLocationEvents = $this->getLocationEventsNeededToClean();
 
        if ($toCleanLocationEvents)
        {
            $this->cleanTables($toCleanLocationEvents);
            \CCalendar::ClearCache(['event_list']);
        }
    }
 
    private function getLocationEventsNeededToClean(): array
    {
        $toCleanLocationEvents = $this->getEmptyLocationEvents();
        //for now, we don't do that because of needing to re-save child events after removing booking
        //doing that may cause performance problems
        if (self::DO_CLEAR_DELETED_USER_LOCATION_EVENTS)
        {
            $toCleanLocationEvents = array_unique(
                array_merge($toCleanLocationEvents, $this->getDeletedUsersLocationEvents())
            );
        }
 
        return array_map(static function($toCleanLocationEvent){
            return (int)$toCleanLocationEvent['ID'];
        }, $toCleanLocationEvents);
    }
 
    private function cleanTables($ids)
    {
        global $DB;
        $ids = implode(',', $ids);
 
        $DB->Query("
            DELETE FROM b_calendar_event
            WHERE ID IN ( " . $ids . ");"
        );
    }
 
    private function getEmptyLocationEvents(): array
    {
        return EventTable::query()
            ->setSelect(['ID'])
            ->registerRuntimeField(
                new ReferenceField(
                    'PARENT',
                    EventTable::class,
                    ['=this.PARENT_ID' => 'ref.ID'],
                    ['join_type' => 'LEFT']
                )
            )
            ->where('CAL_TYPE', 'location')
            ->where('DELETED', 'N')
            ->where(
                Query::filter()
                    ->logic('or')
                    ->where('PARENT.DELETED', 'Y')
                    ->whereNull('PARENT.ID')
            )
            ->where('DATE_TO_TS_UTC', '>', $this->getTimeForQuery())
            ->exec()->fetchAll()
            ;
    }
 
    private function getDeletedUsersLocationEvents(): array
    {
        return EventTable::query()
            ->setSelect(['ID'])
            ->registerRuntimeField(
                new ReferenceField(
                    'USER',
                    UserTable::class,
                    ['=this.CREATED_BY' => 'ref.ID'],
                    ['join_type' => 'INNER']
                )
            )
            ->where('USER.ACTIVE', 'N')
            ->where('CAL_TYPE', 'location')
            ->where('DELETED', 'N')
            ->where('DATE_TO_TS_UTC', '>', $this->getTimeForQuery())
            ->exec()->fetchAll()
            ;
    }
 
    private function getTimeForQuery(): int
    {
        return time() - self::DAY_LENGTH;
    }
}