SDSS-1359: Set Explore More Options default for existing content (#483)

* SDSS-1359: Set Explore More Options default for existing content.

docroot/profiles/sdss/sdss_profile/sdss_profile.install

@@ -1006,3 +1006,58 @@ function sdss_profile_update_10011(&$sandbox) {
 
   $sandbox['#finished'] = empty($sandbox['nids']) ? 1 : ($sandbox['count'] - count($sandbox['nids'])) / $sandbox['count'];
 }
+
+/**
+ * Create su_sdss_explore_more_picker field from configuration.
+ */
+function sdss_profile_update_10012() {
+  $config_directory = \Drupal::service('config.storage.sync');
+  $field_storage = $config_directory->read('field.storage.node.su_sdss_explore_more_picker');
+  $field_config = $config_directory->read('field.field.node.stanford_news.su_sdss_explore_more_picker');
+
+  // Create su_sdss_explore_more_picker field from exported configuration.
+  if (!FieldStorageConfig::loadByName($field_storage['entity_type'], $field_storage['field_name'])) {
+    FieldStorageConfig::create($field_storage)->save();
+  }
+  if (!FieldConfig::loadByName($field_config['entity_type'], $field_config['bundle'], $field_config['field_name'])) {
+    FieldConfig::create($field_config)->save();
+  }
+}
+
+/**
+ * Set default value for the su_sdss_explore_more_picker field on all existing
+ * nodes.
+ */
+function sdss_profile_update_10013() {
+  $node_storage = \Drupal::entityTypeManager()
+    ->getStorage('node');
+  if (!isset($sandbox['count'])) {
+    $nids = $node_storage->getQuery()
+      ->accessCheck(FALSE)
+      ->condition('type', 'stanford_news')
+      ->sort('created')
+      ->execute();
+    $sandbox['nids'] = $nids;
+    $sandbox['count'] = count($sandbox['nids']);
+  }
+
+  $node_ids = array_splice($sandbox['nids'], 0, 250);
+  /** @var \Drupal\node\NodeInterface[] $nodes */
+  $nodes = $node_storage->loadMultiple($node_ids);
+  $default_value = [
+    0 => [
+      'target_id' => 'explore_more_news',
+      'display_id' => 'explore_more_random',
+      'arguments' => '',
+      'items_to_display' => '',
+    ]
+  ];
+  foreach ($nodes as $node) {
+    if (!$node->hasField('su_sdss_explore_more_picker')) {
+      continue;
+    }
+    $node->set('su_sdss_explore_more_picker', $default_value)->save();
+  }
+
+  $sandbox['#finished'] = empty($sandbox['nids']) ? 1 : ($sandbox['count'] - count($sandbox['nids'])) / $sandbox['count'];
+}