Add a bulk unsubscribe server side action

[MAILPOET-2978]

lib/API/JSON/v1/Subscribers.php

@@ -513,6 +513,8 @@ class Subscribers extends APIEndpoint {
       $count = $this->subscribersRepository->bulkAddToSegment($segment, $ids);
     } elseif ($data['action'] === 'moveToList' && $segment instanceof SegmentEntity) {
       $count = $this->subscribersRepository->bulkMoveToSegment($segment, $ids);
+    } elseif ($data['action'] === 'unsubscribe') {
+      $count = $this->subscribersRepository->bulkUnsubscribe($ids);
     } else {
       throw UnexpectedValueException::create()
         ->withErrors([APIError::BAD_REQUEST => "Invalid bulk action '{$data['action']}' provided."]);

lib/Subscribers/SubscribersRepository.php

@@ -177,7 +177,7 @@ class SubscribersRepository extends Repository {
       ->setParameter('ids', $ids)
       ->setParameter('segment', $segment)
       ->getQuery()->execute();
-    
+
     $this->entityManager->transactional(function (EntityManager $entityManager) use ($subscribers, $segment) {
       foreach ($subscribers as $subscriber) {
         $subscriberSegment = new SubscriberSegmentEntity($segment, $subscriber, SubscriberEntity::STATUS_SUBSCRIBED);
@@ -199,5 +199,17 @@ class SubscribersRepository extends Repository {
 
     $this->bulkRemoveFromAllSegments($ids);
     return $this->bulkAddToSegment($segment, $ids);
-  } 
+  }
+
+  public function bulkUnsubscribe(array $ids): int {
+    $this->entityManager->createQueryBuilder()
+      ->update(SubscriberEntity::class, 's')
+      ->set('s.status', ':status')
+      ->where('s.id IN (:ids)')
+      ->setParameter('status', SubscriberEntity::STATUS_UNSUBSCRIBED)
+      ->setParameter('ids', $ids)
+      ->getQuery()->execute();
+
+    return count($ids);
+  }
 }