Refactor click tracking to Doctrine

[MAILPOET-3735]

lib/Statistics/StatisticsClicksRepository.php

@@ -0,0 +1,40 @@
+<?php declare(strict_types=1);
+
+namespace MailPoet\Statistics;
+
+use MailPoet\Doctrine\Repository;
+use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Entities\NewsletterLinkEntity;
+use MailPoet\Entities\SendingQueueEntity;
+use MailPoet\Entities\StatisticsClickEntity;
+use MailPoet\Entities\SubscriberEntity;
+
+/**
+ * @extends Repository<StatisticsClickEntity>
+ */
+class StatisticsClicksRepository extends Repository {
+  protected function getEntityClassName(): string {
+    return StatisticsClickEntity::class;
+  }
+
+  public function createOrUpdateClickCount(
+    NewsletterLinkEntity $link,
+    SubscriberEntity $subscriber,
+    NewsletterEntity $newsletter,
+    SendingQueueEntity $queue
+  ): StatisticsClickEntity {
+    $statistics = $this->findOneBy([
+      'link' => $link,
+      'newsletter' => $newsletter,
+      'subscriber' => $subscriber,
+      'queue' => $queue,
+    ]);
+    if (!$statistics instanceof StatisticsClickEntity) {
+      $statistics = new StatisticsClickEntity($newsletter, $queue, $subscriber, $link, 1);
+      $this->persist($statistics);
+    } else {
+      $statistics->setCount($statistics->getCount() + 1);
+    }
+    return $statistics;
+  }
+}