Issue #2965603 by jeffdavidgordon: Add support for UUID field to votingapi_result table

Closes #2965603

src/Entity/VoteResult.php

@@ -5,6 +5,7 @@ namespace Drupal\votingapi\Entity;
 use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\Entity\ContentEntityBase;
 use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\votingapi\VoteResultInterface;
 
 /**
@@ -29,7 +30,8 @@ use Drupal\votingapi\VoteResultInterface;
  *   },
  *   base_table = "votingapi_result",
  *   entity_keys = {
- *     "id" = "id"
+ *     "id" = "id",
+ *     "uuid" = "uuid"
  *   }
  * )
  */
@@ -130,6 +132,11 @@ class VoteResult extends ContentEntityBase implements VoteResultInterface {
       ->setReadOnly(TRUE)
       ->setSetting('unsigned', TRUE);
 
+    $fields[$entity_type->getKey('uuid')] = BaseFieldDefinition::create('uuid')
+      ->setLabel(new TranslatableMarkup('UUID'))
+      ->setDescription(new TranslatableMarkup('The vote result UUID.'))
+      ->setReadOnly(TRUE);
+
     $fields['type'] = BaseFieldDefinition::create('entity_reference')
       ->setLabel(t('Type'))
       ->setDescription(t('The vote type.'))