Throw and log the issue if coupon was not found when rendering

[MAILPOET-4983]

mailpoet/lib/Newsletter/NewslettersRepository.php

@@ -543,6 +543,12 @@ class NewslettersRepository extends Repository {
     return $this->findBy(['status' => NewsletterEntity::STATUS_CORRUPT, 'deletedAt' => null]);
   }
 
+  public function setAsCorrupt(NewsletterEntity $entity): void {
+    $entity->setStatus(NewsletterEntity::STATUS_CORRUPT);
+    $this->persist($entity);
+    $this->flush();
+  }
+
   private function fetchChildrenIds(array $parentIds) {
     $ids = $this->entityManager->createQueryBuilder()->select('n.id')
       ->from(NewsletterEntity::class, 'n')

mailpoet/lib/Newsletter/Renderer/Blocks/Coupon.php

@@ -4,6 +4,7 @@ namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\EscapeHelper as EHelper;
 use MailPoet\Newsletter\Renderer\StylesHelper;
+use MailPoet\NewsletterProcessingException;
 use MailPoet\WooCommerce\Helper;
 
 class Coupon {
@@ -23,7 +24,18 @@ class Coupon {
   public function render($element, $columnBaseWidth) {
     $couponCode = self::CODE_PLACEHOLDER;
     if (!empty($element['couponId'])) {
+      try {
         $couponCode = $this->helper->wcGetCouponCodeById((int)$element['couponId']);
+      } catch (\Exception $e) {
+        if (!$this->helper->isWooCommerceActive()) {
+          throw NewsletterProcessingException::create()->withMessage(__('Woocommerce is not active', 'mailpoet'));
+        } else {
+          throw NewsletterProcessingException::create()->withMessage($e->getMessage())->withCode($e->getCode());
+        }
+      }
+      if (empty($couponCode)) {
+        throw NewsletterProcessingException::create()->withMessage(__('Couldn\'t find coupon, please edit and adjust if coupons is removed.', 'mailpoet'));
+      }
     }
     $element['styles']['block']['width'] = $this->calculateWidth($element, $columnBaseWidth);
     $styles = 'display:inline-block;-webkit-text-size-adjust:none;mso-hide:all;text-decoration:none;text-align:center;' . StylesHelper::getBlockStyles($element, $exclude = ['textAlign']);

mailpoet/lib/Newsletter/Renderer/Preprocessor.php

@@ -7,7 +7,6 @@ use MailPoet\Logging\LoggerFactory;
 use MailPoet\Newsletter\NewslettersRepository;
 use MailPoet\Newsletter\Renderer\Blocks\AbandonedCartContent;
 use MailPoet\Newsletter\Renderer\Blocks\AutomatedLatestContentBlock;
-use MailPoet\NewsletterProcessingException;
 use MailPoet\Tasks\Sending as SendingTask;
 use MailPoet\WooCommerce\CouponPreProcessor;
 use MailPoet\WooCommerce\TransactionalEmails\ContentPreprocessor;

mailpoet/lib/Newsletter/Renderer/Renderer.php

@@ -5,7 +5,10 @@ namespace MailPoet\Newsletter\Renderer;
 use MailPoet\Config\Env;
 use MailPoet\Config\ServicesChecker;
 use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Logging\LoggerFactory;
+use MailPoet\Newsletter\NewslettersRepository;
 use MailPoet\Newsletter\Renderer\EscapeHelper as EHelper;
+use MailPoet\NewsletterProcessingException;
 use MailPoet\Tasks\Sending as SendingTask;
 use MailPoet\Util\pQuery\DomNode;
 use MailPoet\WP\Functions as WPFunctions;
@@ -32,13 +35,21 @@ class Renderer {
   /** @var WPFunctions */
   private $wp;
 
+  /*** @var LoggerFactory */
+  private $loggerFactory;
+
+  /*** @var NewslettersRepository */
+  private $newslettersRepository;
+
   public function __construct(
     Blocks\Renderer $blocksRenderer,
     Columns\Renderer $columnsRenderer,
     Preprocessor $preprocessor,
     \MailPoetVendor\CSS $cSSInliner,
     ServicesChecker $servicesChecker,
-    WPFunctions $wp
+    WPFunctions $wp,
+    LoggerFactory $loggerFactory,
+    NewslettersRepository $newslettersRepository
   ) {
     $this->blocksRenderer = $blocksRenderer;
     $this->columnsRenderer = $columnsRenderer;
@@ -46,6 +57,8 @@ class Renderer {
     $this->cSSInliner = $cSSInliner;
     $this->servicesChecker = $servicesChecker;
     $this->wp = $wp;
+    $this->loggerFactory = $loggerFactory;
+    $this->newslettersRepository = $newslettersRepository;
   }
 
   public function render(NewsletterEntity $newsletter, SendingTask $sendingTask = null, $type = false) {
@@ -75,8 +88,17 @@ class Renderer {
 
     $language = $this->wp->getBloginfo('language');
     $metaRobots = $preview ? '<meta name="robots" content="noindex, nofollow" />' : '';
+    $renderedBody = "";
+    try {
       $content = $this->preprocessor->process($newsletter, $content, $preview, $sendingTask);
       $renderedBody = $this->renderBody($newsletter, $content);
+    } catch (NewsletterProcessingException $e) {
+      $this->loggerFactory->getLogger(LoggerFactory::TOPIC_COUPONS)->error(
+        $e->getMessage(),
+        ['newsletter_id' => $newsletter->getId()]
+      );
+      $this->newslettersRepository->setAsCorrupt($newsletter);
+    }
     $renderedStyles = $this->renderStyles($styles);
     $customFontsLinks = StylesHelper::getCustomFontsLinks($styles);
 

mailpoet/tests/integration/Newsletter/RendererTest.php

@@ -5,6 +5,8 @@ namespace MailPoet\Test\Newsletter;
 use Codeception\Util\Fixtures;
 use MailPoet\Config\ServicesChecker;
 use MailPoet\Entities\NewsletterEntity;
+use MailPoet\Logging\LoggerFactory;
+use MailPoet\Newsletter\NewslettersRepository;
 use MailPoet\Newsletter\Renderer\Blocks\Button;
 use MailPoet\Newsletter\Renderer\Blocks\Divider;
 use MailPoet\Newsletter\Renderer\Blocks\Footer;
@@ -54,7 +56,9 @@ class RendererTest extends \MailPoetTest {
       $this->diContainer->get(Preprocessor::class),
       $this->diContainer->get(\MailPoetVendor\CSS::class),
       $this->servicesChecker,
-      $this->diContainer->get(WPFunctions::class)
+      $this->diContainer->get(WPFunctions::class),
+      $this->diContainer->get(LoggerFactory::class),
+      $this->diContainer->get(NewslettersRepository::class)
     );
     $this->columnRenderer = new ColumnRenderer();
     $this->dOMParser = new pQuery();

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

@@ -117,7 +117,9 @@ class RendererTest extends \MailPoetTest {
       ),
       $this->diContainer->get(\MailPoetVendor\CSS::class),
       $this->diContainer->get(ServicesChecker::class),
-      $this->diContainer->get(WPFunctions::class)
+      $this->diContainer->get(WPFunctions::class),
+      $this->diContainer->get(LoggerFactory::class),
+      $this->diContainer->get(NewslettersRepository::class)
     );
   }
 }