chore: support for instant preview based on user permissions

Author: chindris

packages/composer/amazeelabs/silverback_autosave/src/Storage/AutosaveEntityFormDatabaseStorage.php

@@ -121,7 +121,7 @@ public function storeEntityAndFormState($form_id, $form_session_id, $entity_type
   /**
    * {@inheritdoc}
    */
-  public function getEntityAndFormState($form_id, $entity_type_id, $entity_id, $langcode, $uid, $form_session_id = NULL, $autosaved_timestamp = NULL) {
+  public function getEntityAndFormState($form_id, $entity_type_id, $entity_id, $langcode, $uid = NULL, $form_session_id = NULL, $autosaved_timestamp = NULL) {
     $result = NULL;
     $query = $this->connection->select(static::AUTOSAVE_ENTITY_FORM_TABLE, 'cefa')
       ->fields('cefa', ['entity', 'form_state', 'timestamp'])
@@ -134,8 +134,11 @@ public function getEntityAndFormState($form_id, $entity_type_id, $entity_id, $la
 
     $query->condition('entity_type_id', $entity_type_id)
       ->condition('entity_id', $entity_id)
-      ->condition('langcode', $langcode)
-      ->condition('uid', $uid);
+      ->condition('langcode', $langcode);
+
+    if (isset($uid)) {
+      $query->condition('uid', $uid);
+    }
 
     if (isset($autosaved_timestamp)) {
       $query->condition('timestamp', $autosaved_timestamp);

packages/composer/amazeelabs/silverback_autosave/src/Storage/AutosaveEntityFormStorageInterface.php

@@ -63,7 +63,7 @@ public function storeEntityAndFormState($form_id, $form_session_id, $entity_type
    *   An array containing the entity object and the form state object, keyed
    *   accordingly with 'entity' and 'form_state'.
    */
-  public function getEntityAndFormState($form_id, $entity_type_id, $entity_id, $langcode, $uid, $form_session_id = NULL, $timestamp = NULL);
+  public function getEntityAndFormState($form_id, $entity_type_id, $entity_id, $langcode, $uid = NULL, $form_session_id = NULL, $timestamp = NULL);
 
   /**
    * Retrieves the stored entity.

packages/composer/amazeelabs/silverback_gatsby/silverback_gatsby.permissions.yml

@@ -4,3 +4,5 @@ trigger a gatsby build:
   title: 'Trigger a Gatsby Build'
 access publisher:
   title: 'Access Publisher'
+fetch any autosaved entity:
+  title: 'Fetch any autosaved entity'

packages/composer/amazeelabs/silverback_gatsby/src/Plugin/GraphQL/DataProducer/FetchEntity.php

@@ -334,7 +334,8 @@ public function resolve(
         // @todo Add DI to both.
         /** @var \Drupal\silverback_autosave\Storage\AutosaveEntityFormStorageInterface $autoSaveFormStorage */
         $autoSaveFormStorage = \Drupal::service('silverback_autosave.entity_form_storage');
-        $autosaveUserId = \Drupal::currentUser()->id();
+        $currentUser = \Drupal::currentUser();
+        $autosaveUserId = $currentUser->hasPermission('fetch any autosaved entity') ? NULL : $currentUser->id();
 
         /**
          * This causes leaked metadata error.