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<?php
namespace MailPoet\Segments;
if (!defined('ABSPATH')) exit;
use MailPoet\Entities\ScheduledTaskEntity;
use MailPoet\Entities\ScheduledTaskSubscriberEntity;
use MailPoet\Entities\SegmentEntity;
use MailPoet\Entities\SubscriberEntity;
use MailPoet\Entities\SubscriberSegmentEntity;
use MailPoet\InvalidStateException;
use MailPoetVendor\Doctrine\DBAL\Connection;
use MailPoetVendor\Doctrine\DBAL\ParameterType;
use MailPoetVendor\Doctrine\ORM\EntityManager;
class SubscribersFinder {
/** @var SegmentSubscribersRepository */
private $segmentSubscriberRepository;
/** @var SegmentsRepository */
private $segmentsRepository;
/** @var EntityManager */
private $entityManager;
public function __construct(
SegmentSubscribersRepository $segmentSubscriberRepository,
SegmentsRepository $segmentsRepository,
EntityManager $entityManager
) {
$this->segmentSubscriberRepository = $segmentSubscriberRepository;
$this->segmentsRepository = $segmentsRepository;
$this->entityManager = $entityManager;
}
public function findSubscribersInSegments($subscribersToProcessIds, $newsletterSegmentsIds) {
$result = [];
foreach ($newsletterSegmentsIds as $segmentId) {
$segment = $this->segmentsRepository->findOneById($segmentId);
if (!$segment instanceof SegmentEntity) {
continue; // skip deleted segments
}
$result = array_merge($result, $this->findSubscribersInSegment($segment, $subscribersToProcessIds));
}
return $this->unique($result);
}
private function findSubscribersInSegment(SegmentEntity $segment, $subscribersToProcessIds): array {
try {
return $this->segmentSubscriberRepository->findSubscribersIdsInSegment((int)$segment->getId(), $subscribersToProcessIds);
} catch (InvalidStateException $e) {
return [];
}
}
/**
* @param ScheduledTaskEntity $task
* @param array<int> $segmentIds
*
* @return float|int
*/
public function addSubscribersToTaskFromSegments(ScheduledTaskEntity $task, array $segmentIds) {
// Prepare subscribers on the DB side for performance reasons
$staticSegmentIds = [];
$dynamicSegmentIds = [];
foreach ($segmentIds as $segment) {
$segment = $this->segmentsRepository->findOneById($segment);
if ($segment instanceof SegmentEntity) {
if ($segment->isStatic()) {
$staticSegmentIds[] = (int)$segment->getId();
} elseif ($segment->getType() === SegmentEntity::TYPE_DYNAMIC) {
$dynamicSegmentIds[] = (int)$segment->getId();
}
}
}
$count = 0;
if (!empty($staticSegmentIds)) {
$count += $this->addSubscribersToTaskFromStaticSegments($task, $staticSegmentIds);
}
if (!empty($dynamicSegmentIds)) {
$count += $this->addSubscribersToTaskFromDynamicSegments($task, $dynamicSegmentIds);
}
return $count;
}
/**
* @param ScheduledTaskEntity $task
* @param array<int> $segmentIds
*
* @return int
*/
private function addSubscribersToTaskFromStaticSegments(ScheduledTaskEntity $task, array $segmentIds) {
$processedStatus = ScheduledTaskSubscriberEntity::STATUS_UNPROCESSED;
$subscribersStatus = SubscriberEntity::STATUS_SUBSCRIBED;
$relationStatus = SubscriberEntity::STATUS_SUBSCRIBED;
$scheduledTaskSubscriberTable = $this->entityManager->getClassMetadata(ScheduledTaskSubscriberEntity::class)->getTableName();
$subscriberSegmentTable = $this->entityManager->getClassMetadata(SubscriberSegmentEntity::class)->getTableName();
$subscriberTable = $this->entityManager->getClassMetadata(SubscriberEntity::class)->getTableName();
$connection = $this->entityManager->getConnection();
$result = $connection->executeQuery(
"INSERT IGNORE INTO $scheduledTaskSubscriberTable
(task_id, subscriber_id, processed)
SELECT DISTINCT ? as task_id, subscribers.`id` as subscriber_id, ? as processed
FROM $subscriberSegmentTable relation
JOIN $subscriberTable subscribers ON subscribers.id = relation.subscriber_id
WHERE subscribers.`deleted_at` IS NULL
AND subscribers.`status` = ?
AND relation.`status` = ?
AND relation.`segment_id` IN (?)",
[
$task->getId(),
$processedStatus,
$subscribersStatus,
$relationStatus,
$segmentIds,
],
[
ParameterType::INTEGER,
ParameterType::INTEGER,
ParameterType::STRING,
ParameterType::STRING,
Connection::PARAM_INT_ARRAY,
]
);
return (int)$result->rowCount();
}
/**
* @param ScheduledTaskEntity $task
* @param array<int> $segmentIds
*
* @return int
*/
private function addSubscribersToTaskFromDynamicSegments(ScheduledTaskEntity $task, array $segmentIds) {
$count = 0;
foreach ($segmentIds as $segmentId) {
$count += $this->addSubscribersToTaskFromDynamicSegment($task, (int)$segmentId);
}
return $count;
}
private function addSubscribersToTaskFromDynamicSegment(ScheduledTaskEntity $task, int $segmentId) {
$count = 0;
$subscribers = $this->segmentSubscriberRepository->getSubscriberIdsInSegment($segmentId);
if ($subscribers) {
$count += $this->addSubscribersToTaskByIds($task, $subscribers);
}
return $count;
}
private function addSubscribersToTaskByIds(ScheduledTaskEntity $task, array $subscriberIds) {
$scheduledTaskSubscriberTable = $this->entityManager->getClassMetadata(ScheduledTaskSubscriberEntity::class)->getTableName();
$subscriberTable = $this->entityManager->getClassMetadata(SubscriberEntity::class)->getTableName();
$connection = $this->entityManager->getConnection();
$result = $connection->executeQuery(
"INSERT IGNORE INTO $scheduledTaskSubscriberTable
(task_id, subscriber_id, processed)
SELECT DISTINCT ? as task_id, subscribers.`id` as subscriber_id, ? as processed
FROM $subscriberTable subscribers
WHERE subscribers.`deleted_at` IS NULL
AND subscribers.`status` = ?
AND subscribers.`id` IN (?)",
[
$task->getId(),
ScheduledTaskSubscriberEntity::STATUS_UNPROCESSED,
SubscriberEntity::STATUS_SUBSCRIBED,
$subscriberIds,
],
[
ParameterType::INTEGER,
ParameterType::INTEGER,
ParameterType::STRING,
Connection::PARAM_INT_ARRAY,
]
);
return $result->rowCount();
}
private function unique(array $subscriberIds) {
$result = [];
foreach ($subscriberIds as $id) {
$result[$id] = $id;
}
return $result;
}
}