Add welcome email sequence template

[MAILPOET-4454]

mailpoet/assets/js/src/automation/testing.tsx

@@ -1,3 +1,4 @@
+import { ReactNode } from 'react';
 import { useMutation } from './api';
 import { id } from './id';
 
@@ -68,7 +69,15 @@ export function CreateTestingWorkflowButton(): JSX.Element {
   );
 }
 
-export function CreateWorkflowFromTemplateButton(): JSX.Element {
+type TemplateButtonProps = {
+  template: string;
+  children?: ReactNode;
+};
+
+export function CreateWorkflowFromTemplateButton({
+  template,
+  children,
+}: TemplateButtonProps): JSX.Element {
   const [createWorkflowFromTemplate, { loading, error }] = useMutation(
     'workflows/create-from-template',
     {
@@ -85,14 +94,14 @@ export function CreateWorkflowFromTemplateButton(): JSX.Element {
           await createWorkflowFromTemplate({
             body: JSON.stringify({
               name: `Test from template ${new Date().toISOString()}`,
-              template: 'delayed-email-after-signup',
+              template,
             }),
           });
           window.location.reload();
         }}
         disabled={loading}
       >
-        Create testing workflow from template
+        {children}
       </button>
       {error && (
         <div>{error?.data?.message ?? 'An unknown error occurred'}</div>

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

@@ -10,7 +10,7 @@ use MailPoet\UnexpectedValueException;
 class CreateWorkflowFromTemplateController {
   /** @var WorkflowStorage */
   private $storage;
-  
+
   /** @var WorkflowBuilder */
   private $templates;
 
@@ -30,6 +30,9 @@ class CreateWorkflowFromTemplateController {
       case 'delayed-email-after-signup':
         $workflow = $this->templates->delayedEmailAfterSignupWorkflow($name);
         break;
+      case 'welcome-email-sequence':
+        $workflow = $this->templates->welcomeEmailSequence($name);
+        break;
       default:
         throw UnexpectedValueException::create()->withMessage('Template not found.');
     }

mailpoet/lib/Automation/Integrations/MailPoet/Templates/WorkflowBuilder.php

@@ -48,6 +48,32 @@ class WorkflowBuilder {
     return new Workflow($name, $steps);
   }
 
+  public function welcomeEmailSequence(string $name): Workflow {
+    $triggerStep = $this->segmentSubscribedTriggerStep();
+
+    $firstWaitStep = $this->waitStep(60 * 60);
+    $triggerStep->setNextStepId($firstWaitStep->getId());
+
+    $sendFirstEmailStep = $this->sendEmailActionStep(1);
+    $firstWaitStep->setNextStepId($sendFirstEmailStep->getId());
+
+    $secondWaitStep = $this->waitStep(3 * 60 * 60);
+    $sendFirstEmailStep->setNextStepId($secondWaitStep->getId());
+
+    $sendSecondEmailStep = $this->sendEmailActionStep(2);
+    $secondWaitStep->setNextStepId($sendSecondEmailStep->getId());
+
+    $steps = [
+      $triggerStep,
+      $firstWaitStep,
+      $sendFirstEmailStep,
+      $secondWaitStep,
+      $sendSecondEmailStep,
+    ];
+
+    return new Workflow($name, $steps);
+  }
+
   private function waitStep(int $seconds): Step {
     return new Step($this->uniqueId(), Step::TYPE_ACTION, $this->waitAction->getKey(), null, [
       'seconds' => $seconds,