Add event subscriber to include situation updates for full banner width alerts

docroot/modules/custom/va_gov_api/src/EventSubscriber/FullWidthBannerAlertSubscriber.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace Drupal\va_gov_api\EventSubscriber;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\ResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Add "situation_update" paragraph data to the "/jsonapi/banner-alerts" route.
+ */
+class FullWidthBannerAlertSubscriber implements EventSubscriberInterface {
+
+  /**
+   * The entity type manager.
+   */
+  private EntityTypeManagerInterface $entityTypeManager;
+
+  /**
+   * Constructor.
+   */
+  public function __construct(EntityTypeManagerInterface $entityTypeManager) {
+    $this->entityTypeManager = $entityTypeManager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents(): array {
+    return [
+      KernelEvents::RESPONSE => 'onKernelResponse',
+    ];
+  }
+
+  /**
+   * Modify response to add "field_situation_updates" paragraph data.
+   */
+  public function onKernelResponse(ResponseEvent $event): void {
+    // Only modify the "/jsonapi/banner-alerts" route.
+    $request = $event->getRequest();
+    if ($request->get('_route') !== 'va_gov_api.banner_alerts') {
+      return;
+    }
+
+    $response = $event->getResponse();
+    $decoded_content = json_decode($response->getContent(), TRUE);
+    $base_domain = $request->getSchemeAndHttpHost();
+
+    // Loop through data array and add "field_situation_updates" paragraph data.
+    foreach ($decoded_content['data'] as $value) {
+      if ($situation_updates_meta = $value['relationships']['field_situation_updates']['data']) {
+        foreach ($situation_updates_meta as $situation_update_meta) {
+          $situation_update_id = $situation_update_meta['meta']['drupal_internal__target_id'];
+          /** @var \Drupal\paragraphs\Entity\Paragraph $paragraph */
+          $paragraph = $this->entityTypeManager->getStorage('paragraph')->load($situation_update_id);
+          $revision_id = $paragraph->getRevisionId();
+          $paragraph_type = $paragraph->getType();
+          $uuid = $paragraph->uuid();
+
+          $paragraphData = [
+            'type' => 'paragraph--' . $paragraph_type,
+            'id' => $uuid,
+            'links' => [
+              'self' => [
+                'href' => "$base_domain/jsonapi/paragraph/$paragraph_type/$uuid?resourceVersion=id%3A$revision_id",
+              ],
+            ],
+            'attributes' => [
+              'drupal_internal__id' => $paragraph->id(),
+              'drupal_internal__revision_id' => $revision_id,
+              'parent_id' => $paragraph->get('parent_id')->getValue()[0],
+              'field_datetime_range_timezone' => $paragraph->get('field_datetime_range_timezone')->getValue()[0],
+              'field_send_email_to_subscribers' => $paragraph->get('field_send_email_to_subscribers')->getValue()[0],
+              'field_wysiwyg' => $paragraph->get('field_wysiwyg')->getValue()[0],
+            ],
+            'relationships' => [],
+          ];
+
+          $decoded_content['included'][] = $paragraphData;
+        }
+      }
+    }
+
+    $content = json_encode($decoded_content);
+    $response->setContent($content);
+  }
+
+}

docroot/modules/custom/va_gov_api/src/Field/ComputedSituationUpdatesItemList.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Drupal\va_gov_api\Field;
+
+use Drupal\Core\Field\FieldItemList;
+use Drupal\Core\TypedData\ComputedItemListTrait;
+
+/**
+ * Provides a computed breadcrumbs field item list.
+ */
+class ComputedSituationUpdatesItemList extends FieldItemList {
+
+  use ComputedItemListTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function computeValue() {
+    $parent = $this->getEntity();
+    if ($parent->isNew()) {
+      return;
+    }
+
+    // Get paragraph ids from 'field_situation_updates' field.
+    $situation_updates = $parent->get('field_situation_updates')->getValue();
+    $situation_update_ids = array_column($situation_updates, 'target_id');
+
+    // Load paragraph entities.
+    $paragraphs = \Drupal::entityTypeManager()
+      ->getStorage('paragraph')
+      ->loadMultiple($situation_update_ids);
+
+    foreach ($paragraphs as $key => $paragraph) {
+      $paragraphData = [
+        'revision_id' => $paragraph->getRevisionId(),
+        'paragraph_type' => $paragraph->getType(),
+        'uuid' => $paragraph->uuid(),
+        'field_datetime_range_timezone' => $paragraph->get('field_datetime_range_timezone')
+          ->getValue()[0],
+        'field_send_email_to_subscribers' => $paragraph->get('field_send_email_to_subscribers')
+          ->getValue()[0],
+        'field_wysiwyg' => $paragraph->get('field_wysiwyg')->getValue()[0],
+      ];
+
+      $this->list[$key] = $this->createItem($key, $paragraphData);
+    }
+  }
+
+}

docroot/modules/custom/va_gov_api/va_gov_api.module

@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * @file
+ * Defines the hooks for va_gov_api module.
+ */
+
+//use Drupal\Core\Entity\EntityTypeInterface;
+//use Drupal\Core\Field\BaseFieldDefinition;
+//use Drupal\Core\Field\FieldStorageDefinitionInterface;
+
+/**
+ * Implements hook_entity_bundle_field_info().
+ *
+ * The hook_event_dispatcher module has this hook listed as a todo.
+ *
+ * @see core_event_dispatcher.module#L26
+ */
+//function va_gov_api_entity_bundle_field_info(EntityTypeInterface $entity_type, $bundle, array $base_field_definitions) {
+//  if ($bundle === 'full_width_banner_alert') {
+//    $base_field_definitions['computed_situations_updates'] = BaseFieldDefinition::create('map')
+//      ->setName('computed_situations_updates')
+//      ->setLabel(t('Computed Situation Updates'))
+//      ->setComputed(TRUE)
+//      ->setClass('\Drupal\va_gov_api\Field\ComputedSituationUpdatesItemList')
+//      ->setCardinality(FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
+//  }
+//  return $base_field_definitions;
+//}

docroot/modules/custom/va_gov_api/va_gov_api.services.yml

@@ -3,7 +3,12 @@ parameters:
   next_jsonapi.size_max: 2000
 services:
   va_gov_api.add_js_to_ui:
-      class: Drupal\va_gov_api\EventSubscriber\AddJsEventSubscriber
-      arguments: ['@request_stack']
-      tags:
+    class: Drupal\va_gov_api\EventSubscriber\AddJsEventSubscriber
+    arguments: ['@request_stack']
+    tags:
+    - { name: event_subscriber }
+  va_gov_api.full_width_banner_alert_subscriber:
+    class: Drupal\va_gov_api\EventSubscriber\FullWidthBannerAlertSubscriber
+    arguments: ['@entity_type.manager']
+    tags:
       - { name: event_subscriber }