--- /dev/null
+<?php
+
+/**
+ * @file
+ * Post update functions for Paragraphs.
+ */
+
+use Drupal\Core\Site\Settings;
+use Drupal\field\Entity\FieldStorageConfig;
+
+/**
+ * Set the parent id, type and field name to the already created paragraphs.
+ *
+ * @param $sandbox
+ */
+function paragraphs_post_update_set_paragraphs_parent_fields(&$sandbox) {
+ // Don't execute the function if paragraphs_update_8003() was already executed
+ // which used to do the same.
+
+ $module_schema = drupal_get_installed_schema_version('paragraphs');
+
+ // The state entry 'paragraphs_update_8003_placeholder' is used in order to
+ // indicate that the placeholder paragraphs_update_8003() function has been
+ // executed, so this function needs to be executed as well. If the non
+ // placeholder version of paragraphs_update_8003() got executed already, the
+ // state won't be set and we skip this update.
+ if ($module_schema >= 8003 && !\Drupal::state()->get('paragraphs_update_8003_placeholder', FALSE)) {
+ return;
+ }
+
+ if (!isset($sandbox['current_paragraph_field_id'])) {
+ $paragraph_field_ids = [];
+ // Get all the entity reference revisions fields.
+ $map = \Drupal::service('entity_field.manager')->getFieldMapByFieldType('entity_reference_revisions');
+ foreach ($map as $entity_type_id => $info) {
+ foreach ($info as $name => $data) {
+ if (FieldStorageConfig::loadByName($entity_type_id, $name)->getSetting('target_type') == 'paragraph') {
+ $paragraph_field_ids[] = "$entity_type_id.$name";
+ }
+ }
+ }
+
+ if (!$paragraph_field_ids) {
+ // There are no paragraph fields. Return before initializing the sandbox.
+ return;
+ }
+
+ // Initialize the sandbox.
+ $sandbox['current_paragraph_field_id'] = 0;
+ $sandbox['paragraph_field_ids'] = $paragraph_field_ids;
+ $sandbox['max'] = count($paragraph_field_ids);
+ $sandbox['progress'] = 0;
+ }
+
+ /** @var \Drupal\field\FieldStorageConfigInterface $field_storage */
+ $field_storage = FieldStorageConfig::load($sandbox['paragraph_field_ids'][$sandbox['current_paragraph_field_id']]);
+ // For revisionable entity types, we load and update all revisions.
+ $target_entity_type = \Drupal::entityTypeManager()->getDefinition($field_storage->getTargetEntityTypeId());
+ if ($target_entity_type->isRevisionable()) {
+ $revision_id = $target_entity_type->getKey('revision');
+ $entity_ids = \Drupal::entityQuery($field_storage->getTargetEntityTypeId())
+ ->condition($field_storage->getName(), NULL, 'IS NOT NULL')
+ ->range($sandbox['progress'], Settings::get('paragraph_limit', 50))
+ ->allRevisions()
+ ->sort($revision_id, 'ASC')
+ ->accessCheck(FALSE)
+ ->execute();
+ }
+ else {
+ $id = $target_entity_type->getKey('id');
+ $entity_ids = \Drupal::entityQuery($field_storage->getTargetEntityTypeId())
+ ->condition($field_storage->getName(), NULL, 'IS NOT NULL')
+ ->range($sandbox['progress'], Settings::get('paragraph_limit', 50))
+ ->sort($id, 'ASC')
+ ->accessCheck(FALSE)
+ ->execute();
+ }
+ foreach ($entity_ids as $revision_id => $entity_id) {
+ // For revisionable entity types, we load a specific revision otherwise load
+ // the entity.
+ if ($target_entity_type->isRevisionable()) {
+ $host_entity = \Drupal::entityTypeManager()
+ ->getStorage($field_storage->getTargetEntityTypeId())
+ ->loadRevision($revision_id);
+ }
+ else {
+ $host_entity = \Drupal::entityTypeManager()
+ ->getStorage($field_storage->getTargetEntityTypeId())
+ ->load($entity_id);
+ }
+ foreach ($host_entity->get($field_storage->getName()) as $field_item) {
+ // Skip broken and already updated references (e.g. Nested paragraphs).
+ if ($field_item->entity && empty($field_item->entity->parent_type->value)) {
+ // Set the parent fields and save, ensure that no new revision is
+ // created.
+ $field_item->entity->parent_type = $field_storage->getTargetEntityTypeId();
+ $field_item->entity->parent_id = $host_entity->id();
+ $field_item->entity->parent_field_name = $field_storage->getName();
+ $field_item->entity->setNewRevision(FALSE);
+ $field_item->entity->save();
+ }
+ }
+ }
+ // Continue with the next paragraph_field_id when the loaded entities are less
+ // than paragraph_limit.
+ if (count($entity_ids) < Settings::get('paragraph_limit', 50)) {
+ $sandbox['current_paragraph_field_id']++;
+ $sandbox['progress'] = 0;
+ }
+ else {
+ $sandbox['progress'] += Settings::get('paragraph_limit', 50);
+ }
+ // Update #finished, 1 if the the whole update has finished.
+ $sandbox['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['current_paragraph_field_id'] / $sandbox['max']);
+}