Reactivate all inactive subscribers when inactive interval is set to never

[MAILPOET-2003]

lib/Subscribers/InactiveSubscribersController.php

@@ -33,6 +33,17 @@ class InactiveSubscribersController {
     return $this->activateSubscribers($threshold_date, $batch_size);
   }
 
+  /**
+   * @return void
+   */
+  function reactivateInactiveSubscribers() {
+    $reactivate_all_inactive_query = sprintf(
+      "UPDATE %s SET status = '%s' WHERE status = '%s';",
+     Subscriber::$_table, Subscriber::STATUS_SUBSCRIBED, Subscriber::STATUS_INACTIVE
+    );
+    \ORM::rawExecute($reactivate_all_inactive_query);
+  }
+
   /**
    * @param int $days_to_inactive
    * @return Carbon