ISTWCMS-5506: adding check that description of content is filled in before...

ISTWCMS-5506: adding check that description of content is filled in before doing content moderation block

src/Form/UwContentModerationForm.php

@@ -6,11 +6,13 @@ use Drupal\Core\Access\AccessResult;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Form\ConfirmFormBase;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Messenger\MessengerInterface;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Session\AccountProxyInterface;
 use Drupal\Core\Url;
 use Drupal\uw_cfg_common\Service\UWService;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 
 /**
  * Form class for the content access form.
@@ -45,6 +47,13 @@ class UwContentModerationForm extends ConfirmFormBase {
    */
   protected $currentUser;
 
+  /**
+   * The drupal messaging.
+   *
+   * @var \Drupal\Core\Messenger\MessengerInterface
+   */
+  protected $messenger;
+
   /**
    * Class constructor.
    *
@@ -52,10 +61,17 @@ class UwContentModerationForm extends ConfirmFormBase {
    *   The entity type manager.
    * @param \Drupal\Core\Session\AccountProxyInterface $currentUser
    *   The entity type manager.
+   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
+   *   The drupal messaging.
    */
-  public function __construct(EntityTypeManagerInterface $entity_type_manager, AccountProxyInterface $currentUser) {
+  public function __construct(
+    EntityTypeManagerInterface $entity_type_manager,
+    AccountProxyInterface $currentUser,
+    MessengerInterface $messenger
+  ) {
     $this->entityTypeManager = $entity_type_manager;
     $this->currentUser = $currentUser;
+    $this->messenger = $messenger;
   }
 
   /**
@@ -65,7 +81,8 @@ class UwContentModerationForm extends ConfirmFormBase {
     // Instantiates this form class.
     return new static(
       $container->get('entity_type.manager'),
-      $container->get('current_user')
+      $container->get('current_user'),
+      $container->get('messenger')
     );
   }
 
@@ -117,6 +134,35 @@ class UwContentModerationForm extends ConfirmFormBase {
     $this->vid = $vid;
     $this->status = $status;
 
+    // If we are publishing this node, ensure that the meta
+    // content description is set.
+    if (!$this->status) {
+
+      // Load the node of this revision.
+      $node = $this->entityTypeManager->getStorage('node')->loadRevision($this->vid);
+
+      // If there is no meta content description, set message and
+      // redirect back to node page.
+      if (!$node->field_uw_meta_description->getValue()) {
+
+        // Get the URL to the node.
+        $url = Url::fromRoute('entity.node.canonical', ['node' => $this->nid]);
+
+        // Setup the redirect.
+        $redirect = new RedirectResponse($url->toString());
+
+        // Send the redirect.
+        $redirect->send();
+
+        // Add the message that the description for content is required.
+        $this->messenger->addError('Field "Description of content" is required when publishing.');
+
+        // We need to exit the code so that redirect and the message
+        // work correctly, without this  the message does not display.
+        exit;
+      }
+    }
+
     // Get the form from the parent, we need this to ensure
     // that we have all the components (like confirm/cancel)
     // load with this form as well.
@@ -142,7 +188,7 @@ class UwContentModerationForm extends ConfirmFormBase {
     return $form;
   }
 
-  /**
+    /**
    * {@inheritdoc}
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {