68 lines
2.8 KiB
PHP
68 lines
2.8 KiB
PHP
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<?php declare(strict_types = 1);
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namespace MailPoet\Cron\Workers;
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if (!defined('ABSPATH')) exit;
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use MailPoet\Entities\ScheduledTaskEntity;
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use MailPoet\Entities\StatisticsClickEntity;
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use MailPoet\Entities\StatisticsOpenEntity;
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use MailPoet\Entities\SubscriberEntity;
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use MailPoetVendor\Doctrine\ORM\EntityManager;
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class SubscribersLastEngagement extends SimpleWorker {
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const AUTOMATIC_SCHEDULING = false;
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const SUPPORT_MULTIPLE_INSTANCES = false;
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const BATCH_SIZE = 2000;
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const TASK_TYPE = 'subscribers_last_engagement';
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/** @var EntityManager */
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private $entityManager;
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public function __construct(
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EntityManager $entityManager
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) {
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parent::__construct();
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$this->entityManager = $entityManager;
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}
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public function processTaskStrategy(ScheduledTaskEntity $task, $timer): bool {
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$meta = $task->getMeta();
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$minId = $meta['nextId'] ?? 1;
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$highestId = $this->getHighestSubscriberId();
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while ($minId <= $highestId) {
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$maxId = $minId + self::BATCH_SIZE;
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$this->processBatch($minId, $maxId);
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$task->setMeta(['nextId' => $maxId]);
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$this->scheduledTasksRepository->persist($task);
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$this->scheduledTasksRepository->flush();
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$this->cronHelper->enforceExecutionLimit($timer); // Throws exception and interrupts process if over execution limit
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$minId = $maxId;
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}
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return true;
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}
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private function processBatch(int $minSubscriberId, int $maxSubscriberId): void {
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$statisticsClicksTable = $this->entityManager->getClassMetadata(StatisticsClickEntity::class)->getTableName();
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$statisticsOpensTable = $this->entityManager->getClassMetadata(StatisticsOpenEntity::class)->getTableName();
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$subscribersTable = $this->entityManager->getClassMetadata(SubscriberEntity::class)->getTableName();
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$query = "
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UPDATE $subscribersTable as mps
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LEFT JOIN (SELECT max(created_at) as created_at, subscriber_id FROM $statisticsOpensTable as mpsoinner GROUP BY mpsoinner.subscriber_id) as mpso ON mpso.subscriber_id = mps.id
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LEFT JOIN (SELECT max(created_at) as created_at, subscriber_id FROM $statisticsClicksTable as mpscinner GROUP BY mpscinner.subscriber_id) as mpsc ON mpsc.subscriber_id = mps.id
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SET mps.last_engagement_at = NULLIF(GREATEST(COALESCE(mpso.created_at, '0'), COALESCE(mpsc.created_at, '0')), '0')
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WHERE mps.last_engagement_at IS NULL AND mps.id >= $minSubscriberId AND mps.id < $maxSubscriberId;
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";
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$this->entityManager->getConnection()->executeStatement($query);
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}
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private function getHighestSubscriberId(): int {
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$subscribersTable = $this->entityManager->getClassMetadata(SubscriberEntity::class)->getTableName();
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$result = $this->entityManager->getConnection()->executeQuery("SELECT MAX(id) FROM $subscribersTable LIMIT 1;")->fetchNumeric();
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return is_array($result) && isset($result[0]) ? (int)$result[0] : 0;
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}
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}
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