ISTWCMS-4027: adding getTeaserContent to UwService

src/Service/UWService.php

@@ -3,6 +3,8 @@
 namespace Drupal\uw_cfg_common\Service;
 
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\node\Entity\Node;
+use Drupal\node\NodeInterface;
 
 /**
  * Class UWService
@@ -15,8 +17,10 @@ class UWService implements UWServiceInterface {
    * {@inheritDoc}
    */
   public function prepareResponsiveImage(EntityInterface $entity, string $image_style): array {
+
     // Load in the file object if we have one.
     if ($file = $entity->field_media_image->entity) {
+
       // Need to set these variables so that responsive image function,
       // has all the necessary info to process the image style.
       $variables['uri'] = $file->getFileUri();
@@ -41,4 +45,106 @@ class UWService implements UWServiceInterface {
     return [];
   }
 
+  /**
+ * {@inheritDoc}
+ */
+  public function getTeaserContent(NodeInterface $node, array $variables_to_get, string $teaser_type): array {
+
+    // Step through each of the variables to get and set the variables for the teaser content.
+    foreach ($variables_to_get as $variable_to_get) {
+
+      // Switch on the variable to get and set the variables for the teaser content.
+      switch ($variable_to_get) {
+
+        case 'title':
+
+          // Set the title from the node object.
+          $variables['title'] = $node->getTitle();
+          break;
+
+        case 'url':
+
+          // Set the title from the node object.
+          $variables['url'] = $node->toUrl()->toString();
+          break;
+
+        case 'date':
+
+          // Set the field name, all of our content types use the same format,
+          // field_uw_<content_type>_date.
+          $field_name = 'field_uw_' . trim($teaser_type) . '_date';
+
+          // Set the date variable, once returned to the calling function, they can
+          // change the date format as required (i.e. change it to long-date or date-time).
+          $variables['date'] = $node->$field_name->getString();
+          break;
+
+        case 'author':
+
+          // If author is selected, get both the author name and link.
+          $variables['author_name'] = $node->getOwner()->getDisplayName();
+          $variables['author_link'] = $node->getOwner()->toUrl()->toString();
+          break;
+
+        case 'sources':
+
+          // Event has a different name for the image than the rest, so ensuring
+          // that we get the correct field name for the image.
+          // In most cases it is field_uw_<content_type>_lising_page_image.
+          if ($teaser_type == 'event') {
+            $field_name = 'field_uw_event_listing_page_img';
+          }
+          else {
+            $field_name = 'field_uw_' . trim($teaser_type) . '_listing_page_image';
+          }
+
+          // Get the image object from the node.
+          $image = $node->$field_name->entity;
+
+          // Get all the image variables, including the sources using the prepareResponsiveImage function.
+          $image_variables = $this->prepareResponsiveImage($image, 'uw_ris_media');
+
+          // Set the responsive image variables for the teaser content.
+          $variables['sources'] = $image_variables['responsive_sources'];
+          $variables['img_element'] = $image_variables['img_element']['#uri'];
+          $variables['alt'] = $image->field_media_image->alt;
+          break;
+
+        case 'tags':
+
+          // Set the field name for the tags which is field_uw_<content_type>_tags'.
+          $field_name = 'field_uw_' . trim($teaser_type) . '_tags';
+
+          // Get all the taxonomy terms for the blog.
+          // Step through each taxonomy term and get the tag info.
+          foreach ($node->$field_name as $tag) {
+
+            // Set the tags in the teaser content variables.
+            $variables['tags'][] = [
+              'title' => $tag->entity->name->value,
+              'url' => $tag->entity->toUrl()->toString(),
+            ];
+          }
+          break;
+
+        case 'content':
+
+          // Set the field name for the summary, which is field_name<content_type>_summary.
+          $field_name = 'field_uw_' . $teaser_type . '_summary';
+
+          // Set the render array for the summary, we simply can not just send the
+          // value as Drupal will just render it with no filters or HTML applied.
+          //  We need to send the full render array.
+          $variables['content'] = [
+            '#type' => 'processed_text',
+            '#text' => $node->$field_name->value,
+            '#format' => $node->$field_name->format,
+          ];
+          break;
+      }
+    }
+
+    return $variables;
+  }
+
 }