From 749e7c2dd54d2a7f1dcd9db23deb106cc355eb12 Mon Sep 17 00:00:00 2001
From: Rostislav Wolny <rosta@mailpoet.com>
Date: Fri, 10 May 2019 10:14:20 +0200
Subject: [PATCH] Add ability to prevent automatic scheduling for workers

[MAILPOET-1987]
---
 lib/Cron/Workers/SimpleWorker.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Cron/Workers/SimpleWorker.php b/lib/Cron/Workers/SimpleWorker.php
index f8247525fe..1eb4448c69 100644
--- a/lib/Cron/Workers/SimpleWorker.php
+++ b/lib/Cron/Workers/SimpleWorker.php
@@ -14,6 +14,7 @@ abstract class SimpleWorker {
   private $wp;
   const TASK_TYPE = null;
   const TASK_BATCH_SIZE = 5;
+  const AUTOMATIC_SCHEDULING = true;
 
   function __construct($timer = false) {
     if (static::TASK_TYPE === null) {
@@ -43,7 +44,9 @@ abstract class SimpleWorker {
     $running_tasks = self::getRunningTasks();
 
     if (!$scheduled_tasks && !$running_tasks) {
-      self::schedule();
+      if (static::AUTOMATIC_SCHEDULING) {
+        self::schedule();
+      }
       return false;
     }