From 9028ea96ece6edad574d9528fa79722f9be19a16 Mon Sep 17 00:00:00 2001
From: Jan Jakes <jan.jakes@automattic.com>
Date: Thu, 8 Sep 2022 15:52:23 +0200
Subject: [PATCH] Implement root step

[MAILPOET-4523]
---
 .../Automation/Engine/Control/RootStep.php    | 20 +++++++++++++++++++
 mailpoet/lib/Automation/Engine/Registry.php   |  3 +++
 mailpoet/lib/DI/ContainerConfigurator.php     |  1 +
 3 files changed, 24 insertions(+)
 create mode 100644 mailpoet/lib/Automation/Engine/Control/RootStep.php

diff --git a/mailpoet/lib/Automation/Engine/Control/RootStep.php b/mailpoet/lib/Automation/Engine/Control/RootStep.php
new file mode 100644
index 0000000000..2c1a33d9eb
--- /dev/null
+++ b/mailpoet/lib/Automation/Engine/Control/RootStep.php
@@ -0,0 +1,20 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\Automation\Engine\Control;
+
+use MailPoet\Automation\Engine\Workflows\Step;
+use MailPoet\Validator\Schema\ObjectSchema;
+
+class RootStep implements Step {
+  public function getKey(): string {
+    return 'core:root';
+  }
+
+  public function getName(): string {
+    return __('Root step', 'mailpoet');
+  }
+
+  public function getArgsSchema(): ObjectSchema {
+    return new ObjectSchema();
+  }
+}
diff --git a/mailpoet/lib/Automation/Engine/Registry.php b/mailpoet/lib/Automation/Engine/Registry.php
index a4502eec69..80fb7e1cf3 100644
--- a/mailpoet/lib/Automation/Engine/Registry.php
+++ b/mailpoet/lib/Automation/Engine/Registry.php
@@ -2,6 +2,7 @@
 
 namespace MailPoet\Automation\Engine;
 
+use MailPoet\Automation\Engine\Control\RootStep;
 use MailPoet\Automation\Engine\Workflows\Action;
 use MailPoet\Automation\Engine\Workflows\Step;
 use MailPoet\Automation\Engine\Workflows\Subject;
@@ -24,9 +25,11 @@ class Registry {
   private $wordPress;
 
   public function __construct(
+    RootStep $rootStep,
     WordPress $wordPress
   ) {
     $this->wordPress = $wordPress;
+    $this->steps[$rootStep->getKey()] = $rootStep;
   }
 
   public function addSubject(Subject $subject): void {
diff --git a/mailpoet/lib/DI/ContainerConfigurator.php b/mailpoet/lib/DI/ContainerConfigurator.php
index ff4c0e2148..3657f45765 100644
--- a/mailpoet/lib/DI/ContainerConfigurator.php
+++ b/mailpoet/lib/DI/ContainerConfigurator.php
@@ -112,6 +112,7 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\Automation\Engine\Builder\UpdateStepsController::class)->setPublic(true);
     $container->autowire(\MailPoet\Automation\Engine\Builder\UpdateWorkflowController::class)->setPublic(true);
     $container->autowire(\MailPoet\Automation\Engine\Control\ActionScheduler::class)->setPublic(true);
+    $container->autowire(\MailPoet\Automation\Engine\Control\RootStep::class)->setPublic(true);
     $container->autowire(\MailPoet\Automation\Engine\Control\StepHandler::class)->setPublic(true);
     $container->autowire(\MailPoet\Automation\Engine\Control\SubjectLoader::class)->setPublic(true);
     $container->autowire(\MailPoet\Automation\Engine\Control\Steps\ActionStepRunner::class)->setPublic(true);