Add basic workflow update controller with status change caps

[MAILPOET-4454]

mailpoet/lib/Automation/Engine/Builder/UpdateWorkflowController.php

@@ -0,0 +1,40 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\Automation\Engine\Builder;
+
+use MailPoet\Automation\Engine\Exceptions;
+use MailPoet\Automation\Engine\Storage\WorkflowStorage;
+use MailPoet\Automation\Engine\Workflows\Workflow;
+
+class UpdateWorkflowController {
+  /** @var WorkflowStorage */
+  private $storage;
+
+  public function __construct(
+    WorkflowStorage $storage
+  ) {
+    $this->storage = $storage;
+  }
+
+  public function updateWorkflow(int $id, array $data): Workflow {
+    // TODO: data & workflow validation (trigger existence, graph consistency, etc.)
+    // TODO: new revisions when content is changed
+    // TODO: validation when status being is changed
+
+    $workflow = $this->storage->getWorkflow($id);
+    if (!$workflow) {
+      throw Exceptions::workflowNotFound($id);
+    }
+
+    if (array_key_exists('status', $data)) {
+      $workflow->setStatus($data['status']);
+      $this->storage->updateWorkflow($workflow);
+    }
+
+    $workflow = $this->storage->getWorkflow($id);
+    if (!$workflow) {
+      throw Exceptions::workflowNotFound($id);
+    }
+    return $workflow;
+  }
+}

mailpoet/lib/Automation/Engine/Workflows/Workflow.php

@@ -61,6 +61,10 @@ class Workflow {
     return $this->status;
   }
 
+  public function setStatus(string $status): void {
+    $this->status = $status;
+  }
+
   public function getCreatedAt(): DateTimeImmutable {
     return $this->createdAt;
   }

mailpoet/lib/DI/ContainerConfigurator.php

@@ -110,6 +110,7 @@ class ContainerConfigurator implements IContainerConfigurator {
       ->setPublic(true)
       ->setArgument('$container', new Reference(ContainerWrapper::class));
     $container->autowire(\MailPoet\Automation\Engine\Builder\CreateWorkflowFromTemplateController::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\StepRunner::class)->setPublic(true);
     $container->autowire(\MailPoet\Automation\Engine\Control\Steps\ActionStepRunner::class)->setPublic(true);