Add Coupon block feature flag

[MAILPOET-4678]

mailpoet/assets/js/src/newsletter_editor/blocks/coupon.ts

@@ -7,6 +7,9 @@ import { BaseBlock } from 'newsletter_editor/blocks/base';
 import _ from 'underscore';
 import jQuery from 'jquery';
 import 'backbone.marionette';
+import { MailPoet } from '../../mailpoet';
+
+export const FEATURE_COUPON_BLOCK = 'Coupon block';
 
 const Module: Record<string, (...args: unknown[]) => void> = {};
 const base = BaseBlock;
@@ -232,7 +235,10 @@ Module.CouponWidgetView = base.WidgetView.extend({
 });
 
 App.on('before:start', (BeforeStartApp) => {
-  if (!window.MailPoet.isWoocommerceActive) {
+  if (
+    !MailPoet.FeaturesController.isSupported(FEATURE_COUPON_BLOCK) ||
+    !window.MailPoet.isWoocommerceActive
+  ) {
     return;
   }
   BeforeStartApp.registerBlockType('coupon', {

mailpoet/lib/Features/FeaturesController.php

@@ -9,11 +9,14 @@ class FeaturesController {
 
   const FEATURE_LANDINGPAGE = 'landingpage';
 
+  const FEATURE_COUPON_BLOCK = 'Coupon block';
+
   // Define feature defaults in the array below in the following form:
   //   self::FEATURE_NAME_OF_FEATURE => true,
   private $defaults = [
     self::FEATURE_HOMEPAGE => false,
     self::FEATURE_LANDINGPAGE => false,
+    self::FEATURE_COUPON_BLOCK => false,
   ];
 
   /** @var array|null */

mailpoet/lib/Newsletter/Renderer/Preprocessor.php

@@ -3,6 +3,7 @@
 namespace MailPoet\Newsletter\Renderer;
 
 use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Features\FeaturesController;
 use MailPoet\Newsletter\Renderer\Blocks\AbandonedCartContent;
 use MailPoet\Newsletter\Renderer\Blocks\AutomatedLatestContentBlock;
 use MailPoet\Tasks\Sending as SendingTask;
@@ -31,16 +32,21 @@ class Preprocessor {
   /*** @var CouponPreProcessor */
   private $couponPreProcessor;
 
+  /*** @var FeaturesController */
+  private $featuresController;
+
   public function __construct(
     AbandonedCartContent $abandonedCartContent,
     AutomatedLatestContentBlock $automatedLatestContent,
     ContentPreprocessor $wooCommerceContentPreprocessor,
-    CouponPreProcessor $couponPreProcessor
+    CouponPreProcessor $couponPreProcessor,
+    FeaturesController $featuresController
   ) {
     $this->abandonedCartContent = $abandonedCartContent;
     $this->automatedLatestContent = $automatedLatestContent;
     $this->wooCommerceContentPreprocessor = $wooCommerceContentPreprocessor;
     $this->couponPreProcessor = $couponPreProcessor;
+    $this->featuresController = $featuresController;
   }
 
   /**
@@ -54,7 +60,9 @@ class Preprocessor {
     }
     $blocks = [];
     $contentBlocks = $content['blocks'];
-    $contentBlocks = $this->couponPreProcessor->processCoupons($newsletter, $contentBlocks, $preview);
+    if ($this->featuresController->isSupported(FeaturesController::FEATURE_COUPON_BLOCK)) {
+      $contentBlocks = $this->couponPreProcessor->processCoupons($newsletter, $contentBlocks, $preview);
+    }
     foreach ($contentBlocks as $block) {
       $processedBlock = $this->processBlock($newsletter, $block, $preview, $sendingTask);
       if (!empty($processedBlock)) {

mailpoet/tests/integration/WooCommerce/TransactionalEmails/RendererTest.php

@@ -5,6 +5,7 @@ namespace MailPoet\WooCommerce\TransactionalEmails;
 use Codeception\Stub;
 use MailPoet\Config\ServicesChecker;
 use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Features\FeaturesController;
 use MailPoet\Models\Newsletter;
 use MailPoet\Newsletter\Editor\LayoutHelper as L;
 use MailPoet\Newsletter\NewslettersRepository;
@@ -110,7 +111,8 @@ class RendererTest extends \MailPoetTest {
         $this->diContainer->get(\MailPoet\Newsletter\Renderer\Blocks\AbandonedCartContent::class),
         $this->diContainer->get(\MailPoet\Newsletter\Renderer\Blocks\AutomatedLatestContentBlock::class),
         $wooPreprocessor,
-        $this->diContainer->get(\MailPoet\WooCommerce\CouponPreProcessor::class)
+        $this->diContainer->get(\MailPoet\WooCommerce\CouponPreProcessor::class),
+        $this->diContainer->get(FeaturesController::class)
       ),
       $this->diContainer->get(\MailPoetVendor\CSS::class),
       $this->diContainer->get(ServicesChecker::class),

mailpoet/tests/unit/Newsletter/Renderer/PreprocessorTest.php

@@ -4,6 +4,7 @@ namespace MailPoet\Test\Newsletter;
 
 use Codeception\Stub;
 use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Features\FeaturesController;
 use MailPoet\Newsletter\Renderer\Blocks\AbandonedCartContent;
 use MailPoet\Newsletter\Renderer\Blocks\AutomatedLatestContentBlock;
 use MailPoet\Newsletter\Renderer\Preprocessor;
@@ -22,7 +23,8 @@ class PreprocessorTest extends \MailPoetUnitTest {
       ],
     ]);
     $wooPreprocessor = new TransactionalEmails\ContentPreprocessor($transactionalEmails);
-    $preprocessor = new Preprocessor($acc, $alc, $wooPreprocessor, $couponPreProcessor);
+    $featuresController = Stub::make(FeaturesController::class);
+    $preprocessor = new Preprocessor($acc, $alc, $wooPreprocessor, $couponPreProcessor, $featuresController);
     expect($preprocessor->processBlock(new NewsletterEntity(), ['type' => 'woocommerceHeading']))->equals([[
       'type' => 'container',
       'orientation' => 'horizontal',
@@ -50,7 +52,8 @@ class PreprocessorTest extends \MailPoetUnitTest {
     $alc = Stub::make(AutomatedLatestContentBlock::class);
     $couponPreProcessor = Stub::make(CouponPreProcessor::class);
     $wooPreprocessor = new TransactionalEmails\ContentPreprocessor(Stub::make(TransactionalEmails::class));
-    $preprocessor = new Preprocessor($acc, $alc, $wooPreprocessor, $couponPreProcessor);
+    $featuresController = Stub::make(FeaturesController::class);
+    $preprocessor = new Preprocessor($acc, $alc, $wooPreprocessor, $couponPreProcessor, $featuresController);
     expect($preprocessor->processBlock(new NewsletterEntity(), ['type' => 'woocommerceContent']))->equals([[
       'type' => 'container',
       'orientation' => 'horizontal',