Merge branch 'SLB-486-translation-improvements' into dev

packages/drupal/custom/directives.graphql

@@ -25,3 +25,11 @@ Provided by the "custom" module.
 Implemented in "Drupal\custom\Plugin\GraphQL\Directive\PEntityEditLink".
 """
 directive @resolveEntityEditLink repeatable on FIELD_DEFINITION | SCALAR | UNION | ENUM | INTERFACE | OBJECT
+
+"""
+Resolves the translated strings.
+
+Provided by the "custom" module.
+Implemented in "Drupal\custom\Plugin\GraphQL\Directive\DrupalTranslatedStrings".
+"""
+directive @drupalTranslatedStrings repeatable on FIELD_DEFINITION | SCALAR | UNION | ENUM | INTERFACE | OBJECT

packages/drupal/custom/src/Plugin/GraphQL/Directive/DrupalTranslatedStrings.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Drupal\custom\Plugin\GraphQL\Directive;
+
+use Drupal\Core\Plugin\PluginBase;
+use Drupal\graphql\GraphQL\Resolver\ResolverInterface;
+use Drupal\graphql\GraphQL\ResolverBuilder;
+use Drupal\graphql_directives\DirectiveInterface;
+
+/**
+ * @Directive(
+ *   id = "drupalTranslatedStrings"
+ * )
+ */
+class DrupalTranslatedStrings extends PluginBase implements DirectiveInterface {
+
+  public function buildResolver(ResolverBuilder $builder, array $arguments): ResolverInterface {
+    /* @var \Drupal\locale\StringDatabaseStorage  $stringStorage */
+    $stringStorage = \Drupal::service('locale.storage');
+    // We are only interested in the translated strings that belong to the
+    // website context.
+    $translations = $stringStorage->getTranslations(['context' => 'website', 'translated' => TRUE]);
+    return $builder->fromValue(array_map(function($item) {
+      return [
+        '__typename' => 'DrupalTranslatableString',
+        'source' => $item->source,
+        'language' => $item->language,
+        'translation' => $item->translation,
+      ];
+    }, $translations));
+  }
+
+}

packages/schema/src/schema.graphql

@@ -467,6 +467,7 @@ type Query {
 
   stringTranslations: [TranslatableString!]
     @gatsbyNodes(type: "TranslatableString")
+    @drupalTranslatedStrings
 }
 
 type Mutation {