Differentiate machine and humans opens on subscriber stats API

[MAILPOET-3741]

lib/API/JSON/v1/SubscriberStats.php

@@ -44,6 +44,7 @@ class SubscriberStats extends APIEndpoint {
       'email' => $subscriber->getEmail(),
       'total_sent' => $statistics->getTotalSentCount(),
       'open' => $statistics->getOpenCount(),
+      'machine_open' => $statistics->getMachineOpenCount(),
       'click' => $statistics->getClickCount(),
       'engagement_score' => $subscriber->getEngagementScore(),
     ];

lib/Subscribers/Statistics/SubscriberStatistics.php

@@ -12,36 +12,35 @@ class SubscriberStatistics {
   /** @var int */
   private $openCount;
 
+  /** @var int */
+  private $machineOpenCount;
+
   /** @var int */
   private $totalSentCount;
 
   /** @var WooCommerceRevenue|null */
   private $wooCommerceRevenue;
 
-  public function __construct($clickCount, $openCount, $totalSentCount, $wooCommerceRevenue = null) {
+  public function __construct($clickCount, $openCount, $machineOpenCount, $totalSentCount, $wooCommerceRevenue = null) {
     $this->clickCount = $clickCount;
     $this->openCount = $openCount;
+    $this->machineOpenCount = $machineOpenCount;
     $this->totalSentCount = $totalSentCount;
     $this->wooCommerceRevenue = $wooCommerceRevenue;
   }
 
-  /**
-   * @return int
-   */
   public function getClickCount(): int {
     return $this->clickCount;
   }
 
-  /**
-   * @return int
-   */
   public function getOpenCount(): int {
     return $this->openCount;
   }
 
-  /**
-   * @return int
-   */
+  public function getMachineOpenCount(): int {
+    return $this->machineOpenCount;
+  }
+
   public function getTotalSentCount(): int {
     return $this->totalSentCount;
   }

lib/Subscribers/Statistics/SubscriberStatisticsRepository.php

@@ -8,9 +8,11 @@ use MailPoet\Entities\StatisticsNewsletterEntity;
 use MailPoet\Entities\StatisticsOpenEntity;
 use MailPoet\Entities\StatisticsWooCommercePurchaseEntity;
 use MailPoet\Entities\SubscriberEntity;
+use MailPoet\Entities\UserAgentEntity;
 use MailPoet\Newsletter\Statistics\WooCommerceRevenue;
 use MailPoet\WooCommerce\Helper as WCHelper;
 use MailPoetVendor\Doctrine\ORM\EntityManager;
+use MailPoetVendor\Doctrine\ORM\QueryBuilder;
 
 /**
  * @extends Repository<SubscriberEntity>
@@ -33,31 +35,46 @@ class SubscriberStatisticsRepository extends Repository {
     return new SubscriberStatistics(
       $this->getStatisticsClickCount($subscriber),
       $this->getStatisticsOpenCount($subscriber),
+      $this->getStatisticsMachineOpenCount($subscriber),
       $this->getTotalSentCount($subscriber),
       $this->getWooCommerceRevenue($subscriber)
     );
   }
 
   private function getStatisticsClickCount(SubscriberEntity $subscriber): int {
-    return $this->getStatisticsCount(StatisticsClickEntity::class, $subscriber);
+    return (int)$this->getStatisticsCountQuery(StatisticsClickEntity::class, $subscriber)
+      ->getQuery()
+      ->getSingleScalarResult();
   }
 
   private function getStatisticsOpenCount(SubscriberEntity $subscriber): int {
-    return $this->getStatisticsCount(StatisticsOpenEntity::class, $subscriber);
+    return (int)$this->getStatisticsCountQuery(StatisticsOpenEntity::class, $subscriber)
+      ->andWhere('(stats.userAgentType = :userAgentType) OR (stats.userAgentType IS NULL)')
+      ->setParameter('userAgentType', UserAgentEntity::USER_AGENT_TYPE_HUMAN)
+      ->getQuery()
+      ->getSingleScalarResult();
+  }
+
+  private function getStatisticsMachineOpenCount(SubscriberEntity $subscriber): int {
+    return (int)$this->getStatisticsCountQuery(StatisticsOpenEntity::class, $subscriber)
+      ->andWhere('(stats.userAgentType = :userAgentType)')
+      ->setParameter('userAgentType', UserAgentEntity::USER_AGENT_TYPE_MACHINE)
+      ->getQuery()
+      ->getSingleScalarResult();
   }
 
   private function getTotalSentCount(SubscriberEntity $subscriber): int {
-    return $this->getStatisticsCount(StatisticsNewsletterEntity::class, $subscriber);
+    return $this->getStatisticsCountQuery(StatisticsNewsletterEntity::class, $subscriber)
+      ->getQuery()
+      ->getSingleScalarResult();
   }
 
-  private function getStatisticsCount($entityName, SubscriberEntity $subscriber): int {
-    return (int)$this->entityManager->createQueryBuilder()
+  private function getStatisticsCountQuery(string $entityName, SubscriberEntity $subscriber): QueryBuilder {
+    return $this->entityManager->createQueryBuilder()
       ->select('COUNT(DISTINCT stats.newsletter) as cnt')
       ->from($entityName, 'stats')
       ->where('stats.subscriber = :subscriber')
-      ->setParameter('subscriber', $subscriber)
-      ->getQuery()
-      ->getSingleScalarResult();
+      ->setParameter('subscriber', $subscriber);
   }
 
   private function getWooCommerceRevenue(SubscriberEntity $subscriber) {