Create score columns

[MAILPOET-3525]

lib/Config/Migrator.php

@@ -216,6 +216,8 @@ class Migrator {
       'count_confirmations int(11) unsigned NOT NULL DEFAULT 0,',
       'unsubscribe_token char(15) NULL,',
       'link_token char(32) NULL,',
+      'engagement_score tinyint unsigned NULL,',
+      'engagement_score_updated_at timestamp NULL,',
       'PRIMARY KEY  (id),',
       'UNIQUE KEY email (email),',
       'UNIQUE KEY unsubscribe_token (unsubscribe_token),',

lib/Entities/SubscriberEntity.php

@@ -125,6 +125,17 @@ class SubscriberEntity {
    */
   private $linkToken;
 
+  /**
+   * @ORM\Column(type="integer")
+   * @var int|null
+   */
+  private $engagementScore;
+
+  /**
+   * @ORM\Column(type="datetimetz", nullable=true)
+   * @var DateTimeInterface|null
+   */
+  private $engagementScoreUpdatedAt;
 
   /**
    * @ORM\OneToMany(targetEntity="MailPoet\Entities\SubscriberSegmentEntity", mappedBy="subscriber")
@@ -397,4 +408,32 @@ class SubscriberEntity {
       return $segment !== null;
     });
   }
+
+  /**
+   * @return int|null
+   */
+  public function getEngagementScore(): ?int {
+    return $this->engagementScore;
+  }
+
+  /**
+   * @param int|null $engagementScore
+   */
+  public function setEngagementScore(?int $engagementScore): void {
+    $this->engagementScore = $engagementScore;
+  }
+
+  /**
+   * @return DateTimeInterface|null
+   */
+  public function getEngagementScoreUpdatedAt(): ?DateTimeInterface {
+    return $this->engagementScoreUpdatedAt;
+  }
+
+  /**
+   * @param DateTimeInterface|null $engagementScoreUpdatedAt
+   */
+  public function setEngagementScoreUpdatedAt(?DateTimeInterface $engagementScoreUpdatedAt): void {
+    $this->engagementScoreUpdatedAt = $engagementScoreUpdatedAt;
+  }
 }