outgoingmanager.php

<?php
 
namespace Bitrix\Calendar\Sync\Managers;
 
use Bitrix\Calendar\Core\Event\Event;
use Bitrix\Calendar\Core;
use Bitrix\Calendar\Sync;
use Bitrix\Calendar\Internals\EO_Event;
use Bitrix\Calendar\Internals\EO_Event_Collection;
use Bitrix\Calendar\Internals\EO_EventConnection;
use Bitrix\Calendar\Internals\EventConnectionTable;
use Bitrix\Calendar\Internals\EventTable;
use Bitrix\Calendar\Internals\SectionTable;
use Bitrix\Calendar\Sync\Connection\Connection;
use Bitrix\Calendar\Sync\Connection\EventConnection;
use Bitrix\Calendar\Sync\Connection\SectionConnection;
use Bitrix\Calendar\Sync\Entities\InstanceMap;
use Bitrix\Calendar\Sync\Entities\SyncEvent;
use Bitrix\Calendar\Sync\Exceptions\ApiException;
use Bitrix\Calendar\Sync\Factories\FactoryBuilder;
use Bitrix\Calendar\Sync\Factories\FactoryInterface;
use Bitrix\Calendar\Internals\SectionConnectionTable;
use Bitrix\Calendar\Sync\Util\Context;
use Bitrix\Calendar\Sync\Util\EventContext;
use Bitrix\Calendar\Sync\Util\Result;
use Bitrix\Calendar\Sync\Util\SectionContext;
use Bitrix\Main\ArgumentException;
use Bitrix\Main\DB\SqlQueryException;
use Bitrix\Main\DI\ServiceLocator;
use Bitrix\Main\Entity\ReferenceField;
use Bitrix\Main\Error;
use Bitrix\Main\ObjectException;
use Bitrix\Main\ObjectNotFoundException;
use Bitrix\Main\ObjectPropertyException;
use Bitrix\Main\SystemException;
use Exception;
use Generator;
 
class OutgoingManager
{
    const TIME_SLICE = 2600000;
 
    private Connection $connection;
 
    private FactoryInterface $factory;
 
    private VendorSynchronization $syncManager;
    private Core\Mappers\Factory $mapperFactory;
 
    public function __construct(Connection $connection)
    {
        $this->connection = $connection;
        $context = new Context([
            'connection' => $connection,
        ]);
        $this->factory = FactoryBuilder::create($connection->getVendor()->getCode(), $connection, $context);
        $this->syncManager = new VendorSynchronization($this->factory);
        $this->mapperFactory = ServiceLocator::getInstance()->get('calendar.service.mappers.factory');
    }
 
    public function exportSections(array $params = []): Result
    {
        $mainResult = new Result();
        $resultData = [
            'links' => [
                'exported' => [],
                'updated' => [],
                'skipped' => [],
                'error' => [],
            ],
            'exportErr' => [],
        ];
 
        $excludeIds = $params['excludeIds'] ?? [];
        foreach ($this->fetchSections($excludeIds) as $section)
        {
            $sectionResult = $this->exportSectionSimple($section);
            if ($sectionResult->isSuccess())
            {
                foreach ($sectionResult->getData() as $key => $link)
                {
                    $resultData['links'][$key][] = $link;
                }
                $resultData['exported'][] = $section->getId();
            }
            else
            {
                $mainResult->addErrors($sectionResult->getErrors());
                $resultData['exportErr'][] = $section->getId();
            }
        }
 
        return $mainResult->setData($resultData);
    }
 
    public function exportSectionEvents(SectionConnection $sectionLink, array $excludeEventIds = []): Result
    {
        $result = new Result();
        $resultData = [
            'events' => [
                'deleted' => [],
                'exported' => [],
                'updated' => [],
                'stripped' => [],
                'error' => [],
            ]
        ];
 
        $pushResult = static function(array $result) use (&$resultData)
        {
            if (empty($result['entityType']) || empty($result['entity']))
            {
                return;
            }
            if ($result['entityType'] === 'link')
            {
                $resultData['events'][$result['action']] = $result['entity']->getEvent()->getId();
            }
            elseif ($result['entityType'] === 'eventId')
            {
                $resultData['events'][$result['action']] = $result['entity'];
            }
        };
 
        foreach ($this->fetchSectionEvents($sectionLink->getSection(), $excludeEventIds) as $eventPack)
        {
            $exportResult = $this->exportEvent($eventPack, $sectionLink);
            if ($exportResult->isSuccess())
            {
                $pushResult($exportResult->getData());
            }
            else
            {
                $id = null;
 
                if ($eventPack['event'])
                {
                    $id = $eventPack['event']->getId();
                }
                else if ($eventPack['master'])
                {
                    $id = $eventPack['master']->getId();
                }
                $resultData['events']['error'] = $id;
            }
        }
 
        return $result->setData($resultData);
    }
 
    public function export(): Result
    {
        $mainResult = new Result();
        $resultData = [];
 
        foreach ($this->fetchSections() as $section)
        {
            $sectionResult = $this->exportSection($section);
            if (!$sectionResult->isSuccess())
            {
                continue;
            }
 
            $sectionLink = $sectionResult->getData()['sectionConnection'] ?? null;
 
            if ($sectionLink)
            {
                foreach ($this->fetchSectionEvents($section) as $event)
                {
                    $this->exportEvent($event, $sectionLink);
                }
            }
            else
            {
                throw new ObjectPropertyException('Context object das not have sectionLink information');
            }
        }
 
        return $mainResult->setData($resultData);
    }
 
    public function exportSection(Core\Section\Section $section): Result
    {
        $sectionContext = new SectionContext();
        if ($link = $this->getSectionLink($section))
        {
            if ($link->isActive())
            {
                $result = $this->syncManager->updateSection($section, $sectionContext);
                if ($result->isSuccess())
                {
                    $result->setData(array_merge($result->getData(), [
                        'sectionConnection' => $link,
                    ]));
                }
                else if (
                    !$result->isSuccess()
                    && $result->getData()['error'] === 404
                    && $section->getExternalType() === 'local'
                )
                {
                    $this->deleteSectionConnection($link);
                    $sectionContext->setSectionConnection(null);
                    $result = $this->syncManager->createSection($section, $sectionContext);
                }
            }
            else
            {
                $result = new Result();
            }
        }
        else
        {
            $result = $this->syncManager->createSection($section, $sectionContext);
        }
 
        return $result;
    }
 
    public function exportSectionSimple(Core\Section\Section $section): Result
    {
        $resultData = [];
        $mainResult = new Result();
        $sectionContext = new SectionContext();
 
        if ($link = $this->getSectionLink($section))
        {
            $sectionContext->setSectionConnection($link);
            if ($link->isActive())
            {
                $result = $this->syncManager->updateSection($section, $sectionContext);
                if ($result->isSuccess())
                {
                    $resultData['updated'] = $link;
                }
                else
                {
                    $resultData['error'] = $link;
                }
            }
            else
            {
                $resultData['skipped'] = $link;
            }
        }
        elseif ($section->getExternalType() !== Core\Section\Section::LOCAL_EXTERNAL_TYPE)
        {
            $resultData['skipped'] = $section;
        }
        else
        {
            $result = $this->syncManager->createSection($section, $sectionContext);
            if (!empty($result->getData()['sectionConnection']))
            {
                $resultData['exported'] = $result->getData()['sectionConnection'];
            }
            else
            {
                $result->addError(new Error('Error of export section'));
                $resultData['section'] = $section;
            }
        }
 
        return $mainResult->setData($resultData);
    }
 
    private function fetchSections(array $exclude = []): Generator
    {
        $sectionList = SectionTable::getList([
            'filter' => [
                '=CAL_TYPE' => $this->connection->getOwner()->getType(),
                'OWNER_ID' => $this->connection->getOwner()->getId(),
                'EXTERNAL_TYPE' => ['local', $this->connection->getVendor()->getCode()],
                '!ID' => $exclude
            ],
            'select' => ['*'],
        ]);
 
        $mapper = new Core\Mappers\Section();
        while ($sectionDM = $sectionList->fetchObject())
        {
            $section = $mapper->getByEntityObject($sectionDM);
            yield $section;
        }
    }
 
    private function getSectionLink(\Bitrix\Calendar\Core\Section\Section $section): ?SectionConnection
    {
        $mapper = new Core\Mappers\SectionConnection();
        $map = $mapper->getMap([
            '=SECTION_ID' => $section->getId(),
            '=CONNECTION_ID' => $this->connection->getId(),
        ]);
        switch ($map->count())
        {
            case 0:
                return null;
            case 1:
                return $map->fetch();
            default:
                throw new Core\Base\BaseException('More than 1 SectionConnections found.');
        }
    }
 
    private function getFactory(): FactoryInterface
    {
        return $this->factory;
    }
 
    private function fetchSectionEvents(Core\Section\Section $section, array $excludeEventIds = []): Generator
    {
        $timestamp = time() - self::TIME_SLICE;
        $eventList = EventTable::getList([
            'select' => [
                '*',
                'LINK.*',
                'LINK.CONNECTION',
            ],
            'filter' => [
                '=SECTION_ID' => $section->getId(),
                '=DELETED' => 'N',
                '!ID' => $excludeEventIds,
                '>DATE_TO_TS_UTC' => $timestamp,
                '!=MEETING_STATUS' => 'N',
            ],
            'runtime' => [
                new ReferenceField(
                    'LINK',
                    EventConnectionTable::class,
                    [
                        '=this.ID' => 'ref.EVENT_ID',
                        'ref.CONNECTION_ID' => ['?', $this->connection->getId()],
                    ],
                    ['join_type' => 'LEFT']
                ),
            ],
        ])->fetchCollection();
 
        $eventList = $this->prepareEvents($eventList);
 
        foreach ($eventList as $eventPack)
        {
            yield $eventPack;
        }
    }
 
    private function prepareEvents(EO_Event_Collection $events): array
    {
        $result = [];
 
        foreach ($events as $event)
        {
            if ($event->getRrule())
            {
                $recId = $event->getParentId();
                $result[$recId]['type'] = 'recurrence';
                $result[$recId]['master'] = $event;
            }
            else if ($event->getRecurrenceId())
            {
                $result[$event->getRecurrenceId()]['instances'][] = $event;
            }
            else
            {
                $result[$event->getId()] = [
                    'type' => 'single',
                    'event' => $event,
                ];
            }
        }
 
        return $result;
    }
 
    private function getEventLink(EO_Event $eventEntity): ?EventConnection
    {
        if ($link = $eventEntity->get('LINK'))
        {
            $link->setEvent($eventEntity);
 
            return $this->mapperFactory->getEventConnection()->getByEntityObject($link);
        }
 
        return null;
    }
 
    private function exportEvent(array $eventPack, SectionConnection $sectionLink): Result
    {
        if (!empty($eventPack['master']))
        {
            return $this->exportRecurrenceEvent($sectionLink, $eventPack);
        }
 
        if (!empty($eventPack['event']))
        {
            return $this->exportSimpleEvent($sectionLink, $eventPack['event']);
        }
 
        return (new Result())->addError(new Error('Unsupported eventpack format'));
    }
 
    public function subscribeSection(SectionConnection $link): Result
    {
        $mainResult = new Result();
        if ($this->syncManager->canSubscribeSection())
        {
            $pushManager = new Sync\Managers\PushManager();
            $subscription = $pushManager->getPush(
                PushManager::TYPE_SECTION_CONNECTION,
                $link->getId()
            );
            if ($subscription && !$subscription->isExpired())
            {
                $result = $this->syncManager->renewPush($subscription);
                if ($result->isSuccess())
                {
                    $mainResult = $pushManager->renewPush($subscription, $result->getData());
                }
                else
                {
                    $mainResult->addError(new Error('Error of renew subscription.'));
                    $mainResult->addErrors($result->getErrors());
                }
            }
            else
            {
                $subscribeResult = $this->syncManager->subscribeSection($link);
                if ($subscribeResult->isSuccess())
                {
                    if ($subscription)
                    {
                        $pushManager->renewPush($subscription, $subscribeResult->getData());
                    }
                    else
                    {
                        try
                        {
                            $pushManager->addPush(
                                'SECTION_CONNECTION',
                                $link->getId(),
                                $subscribeResult->getData()
                            );
                        }
                        catch(SqlQueryException $e)
                        {
                            if (
                                $e->getCode() === 400
                                && substr($e->getDatabaseMessage(), 0, 6) === '(1062)')
                            {
                                // there's a race situation
                            }
                            else
                            {
                                throw $e;
                            }
                        }
 
                    }
                }
                else
                {
                    $mainResult->addError(new Error('Error of add subscription.'));
                    $mainResult->addErrors($subscribeResult->getErrors());
                }
            }
        }
 
        return $mainResult;
    }
 
    public function subscribeConnection(): Result
    {
        $mainResult = new Result();
        if ($this->syncManager->canSubscribeConnection())
        {
            $pushManager = new Sync\Managers\PushManager();
            $subscription = $pushManager->getPush(
                PushManager::TYPE_CONNECTION,
                $this->connection->getId()
            );
 
            if ($subscription && !$subscription->isExpired())
            {
                $result = $this->syncManager->renewPush($subscription);
                if ($result->isSuccess())
                {
                    $mainResult = $pushManager->renewPush($subscription, $result->getData());
                }
                else
                {
                    $mainResult->addError(new Error('Error of renew subscription.'));
                    $mainResult->addErrors($result->getErrors());
                }
            }
            else
            {
                $subscribeResult = $this->syncManager->subscribeConnection();
                if ($subscribeResult->isSuccess())
                {
                    if ($subscription !== null)
                    {
                        $pushManager->renewPush($subscription, $subscribeResult->getData());
                    }
                    else
                    {
                        $pushManager->addPush(
                            'CONNECTION',
                            $this->connection->getId(),
                            $subscribeResult->getData()
                        );
                    }
                }
                else
                {
                    $mainResult->addError(new Error('Error of add subscription.'));
                    $mainResult->addErrors($subscribeResult->getErrors());
                }
            }
        }
 
        return $mainResult;
    }
 
    private function deleteSectionConnection(SectionConnection $link): void
    {
        global $DB;
 
        if ($link->getConnection()->getId() && $link->getSection()->getId())
        {
            $DB->Query("
                DELETE FROM b_calendar_event_connection
                WHERE CONNECTION_ID = " . (int)$link->getConnection()->getId() ." 
                AND EVENT_ID IN (SELECT EV.ID FROM b_calendar_event EV
                WHERE EV.SECTION_ID = " . (int)$link->getSection()->getId() . ");"
            );
        }
 
        if ($link->getId())
        {
            SectionConnectionTable::delete($link->getId());
        }
    }
 
    private function exportSimpleEvent(SectionConnection $sectionLink, EO_Event $eventData): Result
    {
        $result = new Result();
        $context = new Context([]);
        $context->add('sync', 'sectionLink', $sectionLink);
 
        $event = $this->mapperFactory->getEvent()->getByEntityObject($eventData);
 
        $eventLink = $this->getEventLink($eventData);
        $eventContext = (new EventContext())
            ->merge($context)
            ->setSectionConnection($sectionLink)
            ->setEventConnection($eventLink)
        ;
 
        if ($eventLink && !$eventLink->getVendorEventId())
        {
            $this->mapperFactory->getEventConnection()->delete($eventLink);
            $eventLink = null;
        }
 
        if ($event && $eventLink)
        {
            $resultUpdate = $this->syncManager->updateEvent($event, $eventContext);
            $resultData = [
                'entityType' => 'link',
                'entity' => $eventLink,
                'action' => 'updated',
            ];
            if (!$resultUpdate->isSuccess())
            {
                $result->addErrors($resultUpdate->getErrors());
            }
        }
        else
        {
            $resultAdd = $this->syncManager->createEvent($event, $eventContext);
            $resultData = [
                'entityType' => 'link',
                'action' => 'exported',
            ];
            if ($resultAdd->isSuccess())
            {
                if (!empty($resultAdd->getData()['eventConnectionId']))
                {
                    $resultData['entity'] = $this->mapperFactory->getEventConnection()
                        ->getById($resultAdd->getData()['eventConnectionId'])
                    ;
                }
                else
                {
                    $resultData['entity'] = $this->mapperFactory->getEventConnection()->getMap([
                        '=EVENT_ID' => $event->getId(),
                        '=CONNECTION_ID' =>  $sectionLink->getConnection()->getId(),
                    ])->fetch();
                }
            }
            else
            {
                $resultData = [
                    'entityType' => 'errorLink',
                    'action' => 'exported',
                ];
                $result->addErrors($resultAdd->getErrors());
            }
        }
 
        return $result->setData($resultData);
    }
 
    private function exportRecurrenceEvent(SectionConnection $sectionLink, array $eventData): Result
    {
        $context = new EventContext();
        $context->setSectionConnection($sectionLink);
 
        $recurrenceEvent = $this->buildRecurrenceEvent($eventData);
 
        if ($recurrenceEvent->getEventConnection())
        {
            $context->setEventConnection($recurrenceEvent->getEventConnection());
            $result = $this->syncManager->updateRecurrence($recurrenceEvent, $context);
        }
        else
        {
            $result = $this->syncManager->createRecurrence($recurrenceEvent, $context);
        }
 
        $resultData = [
            'entityType' => 'link',
            'action' => 'updated',
        ];
 
        return $result->setData($resultData);
    }
 
    private function buildRecurrenceEvent(array $eventData): SyncEvent
    {
        $masterEvent = $this->mapperFactory->getEvent()->getByEntityObject($eventData['master']);
        $masterLink = $this->getEventLink($eventData['master']);
        $masterSyncEvent = (new SyncEvent())
            ->setEvent($masterEvent)
            ->setEventConnection($masterLink)
        ;
        if ($masterSyncEvent->getEventConnection() && !$masterSyncEvent->getEventConnection()->getVendorEventId())
        {
            $this->mapperFactory->getEventConnection()->delete($masterSyncEvent->getEventConnection());
            $masterSyncEvent->setEventConnection(null);
        }
 
        $instancesCollection = new InstanceMap();
        $instances = $eventData['instances'] ?? [];
        foreach ($instances as $instance)
        {
            $instanceEvent = $this->mapperFactory->getEvent()->getByEntityObject($instance);
            $instanceLink = $this->getEventLink($instance);
            $instanceSyncEvent = (new SyncEvent())
                ->setEvent($instanceEvent)
                ->setEventConnection($instanceLink)
            ;
 
            if ($instanceSyncEvent->getEventConnection() && !$instanceSyncEvent->getEventConnection()->getVendorEventId())
            {
                $this->mapperFactory->getEventConnection()->delete($instanceSyncEvent->getEventConnection());
                $instanceSyncEvent->setEventConnection(null);
            }
            $instancesCollection->add($instanceSyncEvent);
        }
 
        $masterSyncEvent->setInstanceMap($instancesCollection);
 
        return $masterSyncEvent;
    }
}