Add count of bounced emails into API response

[MAILPOET-3766]

lib/Newsletter/Statistics/NewsletterStatistics.php

@@ -16,16 +16,27 @@ class NewsletterStatistics {
   /** @var int */
   private $unsubscribeCount;
 
+  /** @var int */
+  private $bounceCount;
+
   /** @var int */
   private $totalSentCount;
 
   /** @var WooCommerceRevenue|null */
   private $wooCommerceRevenue;
 
-  public function __construct($clickCount, $openCount, $unsubscribeCount, $totalSentCount, $wooCommerceRevenue) {
+  public function __construct(
+    $clickCount,
+    $openCount,
+    $unsubscribeCount,
+    $bounceCount,
+    $totalSentCount,
+    $wooCommerceRevenue
+  ) {
     $this->clickCount = $clickCount;
     $this->openCount = $openCount;
     $this->unsubscribeCount = $unsubscribeCount;
+    $this->bounceCount = $bounceCount;
     $this->totalSentCount = $totalSentCount;
     $this->wooCommerceRevenue = $wooCommerceRevenue;
   }
@@ -42,6 +53,10 @@ class NewsletterStatistics {
     return $this->unsubscribeCount;
   }
 
+  public function getBounceCount(): int {
+    return $this->unsubscribeCount;
+  }
+
   public function getTotalSentCount(): int {
     return $this->totalSentCount;
   }
@@ -64,6 +79,7 @@ class NewsletterStatistics {
       'opened' => $this->openCount,
       'machineOpened' => $this->machineOpenCount,
       'unsubscribed' => $this->unsubscribeCount,
+      'bounced' => $this->bounceCount,
       'revenue' => empty($this->wooCommerceRevenue) ? null : $this->wooCommerceRevenue->asArray(),
     ];
   }

lib/Newsletter/Statistics/NewsletterStatisticsRepository.php

@@ -5,6 +5,7 @@ namespace MailPoet\Newsletter\Statistics;
 use MailPoet\Doctrine\Repository;
 use MailPoet\Entities\NewsletterEntity;
 use MailPoet\Entities\ScheduledTaskEntity;
+use MailPoet\Entities\StatisticsBounceEntity;
 use MailPoet\Entities\StatisticsClickEntity;
 use MailPoet\Entities\StatisticsOpenEntity;
 use MailPoet\Entities\StatisticsUnsubscribeEntity;
@@ -37,6 +38,7 @@ class NewsletterStatisticsRepository extends Repository {
       $this->getStatisticsClickCount($newsletter),
       $this->getStatisticsOpenCount($newsletter),
       $this->getStatisticsUnsubscribeCount($newsletter),
+      $this->getStatisticsBounceCount($newsletter),
       $this->getTotalSentCount($newsletter),
       $this->getWooCommerceRevenue($newsletter)
     );
@@ -53,6 +55,7 @@ class NewsletterStatisticsRepository extends Repository {
     $clickCounts = $this->getStatisticCounts(StatisticsClickEntity::class, $newsletters);
     $openCounts = $this->getStatisticCounts(StatisticsOpenEntity::class, $newsletters);
     $unsubscribeCounts = $this->getStatisticCounts(StatisticsUnsubscribeEntity::class, $newsletters);
+    $bounceCounts = $this->getStatisticCounts(StatisticsBounceEntity::class, $newsletters);
     $wooCommerceRevenues = $this->getWooCommerceRevenues($newsletters);
 
     $statistics = [];
@@ -62,6 +65,7 @@ class NewsletterStatisticsRepository extends Repository {
         $clickCounts[$id] ?? 0,
         $openCounts[$id] ?? 0,
         $unsubscribeCounts[$id] ?? 0,
+        $bounceCounts[$id] ?? 0,
         $totalSentCounts[$id] ?? 0,
         $wooCommerceRevenues[$id] ?? null
       );
@@ -100,6 +104,11 @@ class NewsletterStatisticsRepository extends Repository {
     return $counts[$newsletter->getId()] ?? 0;
   }
 
+  public function getStatisticsBounceCount(NewsletterEntity $newsletter): int {
+    $counts = $this->getStatisticCounts(StatisticsBounceEntity::class, [$newsletter]);
+    return $counts[$newsletter->getId()] ?? 0;
+  }
+
   public function getWooCommerceRevenue(NewsletterEntity $newsletter) {
     $revenues = $this->getWooCommerceRevenues([$newsletter]);
     return $revenues[$newsletter->getId()] ?? null;

tests/integration/API/JSON/ResponseBuilders/NewslettersResponseBuilderTest.php

@@ -27,11 +27,12 @@ class NewslettersResponseBuilderTest extends \MailPoetTest {
         'opened' => 6,
         'clicked' => 4,
         'unsubscribed' => 2,
+        'bounced' => 1,
         'machineOpened' => 9,
         'revenue' => null,
       ],
     ];
-    $statistics = new NewsletterStatistics(4, 6, 2, 10, null);
+    $statistics = new NewsletterStatistics(4, 6, 2, 1, 10, null);
     $statistics->setMachineOpenCount(9);
     $newsletterStatsRepository = Stub::make(NewsletterStatisticsRepository::class, [
       'getTotalSentCount' => $stats['total_sent'],