Add migration for a new cancelled_at column for scheduled tasks

[MAILPOET-5755]

mailpoet/lib/Entities/ScheduledTaskEntity.php

@@ -20,6 +20,7 @@ use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 class ScheduledTaskEntity {
   const STATUS_COMPLETED = 'completed';
   const STATUS_SCHEDULED = 'scheduled';
+  const STATUS_CANCELLED = 'cancelled';
   const STATUS_PAUSED = 'paused';
   const STATUS_INVALID = 'invalid';
   const VIRTUAL_STATUS_RUNNING = 'running'; // For historical reasons this is stored as null in DB
@@ -59,6 +60,12 @@ class ScheduledTaskEntity {
    */
   private $scheduledAt;
 
+  /**
+   * @ORM\Column(type="datetimetz", nullable=true)
+   * @var DateTimeInterface|null
+   */
+  private $cancelledAt;
+
   /**
    * @ORM\Column(type="datetimetz", nullable=true)
    * @var DateTimeInterface|null
@@ -155,6 +162,20 @@ class ScheduledTaskEntity {
     $this->scheduledAt = $scheduledAt;
   }
 
+  /**
+   * @return DateTimeInterface|null
+   */
+  public function getCancelledAt() {
+    return $this->cancelledAt;
+  }
+
+  /**
+   * @param DateTimeInterface|null $cancelledAt
+   */
+  public function setCancelledAt($cancelledAt) {
+    $this->cancelledAt = $cancelledAt;
+  }
+
   /**
    * @return DateTimeInterface|null
    */