--- /dev/null
+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the metatag module.
+ */
+
+/**
+ * Implements hook_install().
+ */
+function metatag_install() {
+ // Don't display the message during site installation, it looks funny.
+ if (!drupal_installation_attempted()) {
+ drupal_set_message(t("To adjust global defaults, go to admin/config/search/metatag. If you need to set metatags for a specific entity, edit its bundle and add the Metatag field."));
+ }
+}
+
+/**
+ * Remove tags in field storage that match default or are empty.
+ */
+function metatag_update_8101() {
+ // Get all of the field storage entities of type metatag.
+ $field_storage_configs = \Drupal::entityTypeManager()
+ ->getStorage('field_storage_config')
+ ->loadByProperties(['type' => 'metatag']);
+
+ foreach ($field_storage_configs as $key => $field_storage) {
+ $field_name = $field_storage->getName();
+
+ // Get the individual fields (field instances) associated with bundles.
+ $fields = \Drupal::entityTypeManager()
+ ->getStorage('field_config')
+ ->loadByProperties(['field_name' => $field_name]);
+
+ // For each of the fields, delete all records that match the defaults.
+ foreach ($fields as $field) {
+ // Get the bundle this field is attached to.
+ $bundle = $field->getTargetBundle();
+
+ // Get the default value for this field on this bundle.
+ $field_default_tags_value = $field->getDefaultValueLiteral();
+ $field_default_tags_value = $field_default_tags_value[0]['value'];
+ $field_default_tags = unserialize($field_default_tags_value);
+
+ // Determine the table and "value" field names.
+ $field_table = "node__$field_name";
+ $field_value_field = "$field_name" . "_value";
+
+ // Delete all records where the field value and default are identical.
+ db_delete($field_table)
+ ->condition('bundle', $bundle, '=')
+ ->condition($field_value_field, $field_default_tags_value, '=')
+ ->execute();
+ }
+ }
+
+ return t('Removed all default meta tag records so they can be automatically inherited when the page is loaded.');
+}
+
+/**
+ * Remove tags in field storage that match default or are empty.
+ */
+function metatag_update_8102(&$sandbox) {
+ // This whole top section only needs to be done the first time.
+ if (!isset($sandbox['records_processed'])) {
+ $sandbox['records_processed'] = 0;
+ $sandbox['total_records'] = 0;
+ $sandbox['current_field'] = 0;
+ $sandbox['current_record'] = 0;
+
+ // Counter to enumerate the fields so we can access them in the array
+ // by number rather than name.
+ $field_counter = 0;
+
+ // Get all of the field storage entities of type metatag.
+ $field_storage_configs = \Drupal::entityTypeManager()
+ ->getStorage('field_storage_config')
+ ->loadByProperties(['type' => 'metatag']);
+
+ foreach ($field_storage_configs as $key => $field_storage) {
+ $field_name = $field_storage->getName();
+
+ // Get the individual fields (field instances) associated with bundles.
+ $fields = \Drupal::entityTypeManager()
+ ->getStorage('field_config')
+ ->loadByProperties(['field_name' => $field_name]);
+
+ // For each of the fields, do the mass delete of exact matches but
+ // store the overridden records in the sandbox to be batch processed.
+ foreach ($fields as $field) {
+ // Get the bundle this field is attached to.
+ $bundle = $field->getTargetBundle();
+
+ // Get the default value for this field on this bundle.
+ $field_default_tags_value = $field->getDefaultValueLiteral();
+ $field_default_tags_value = $field_default_tags_value[0]['value'];
+ $field_default_tags = unserialize($field_default_tags_value);
+
+ // Determine the table and "value" field names.
+ $field_table = "node__$field_name";
+ $field_value_field = "$field_name" . "_value";
+
+ // Get all records where the field data does not match the default.
+ $query = db_select($field_table);
+ $query->addField($field_table, 'entity_id');
+ $query->addField($field_table, 'revision_id');
+ $query->addField($field_table, 'langcode');
+ $query->addField($field_table, $field_value_field);
+ $query->condition('bundle', $bundle, '=');
+ $result = $query->execute();
+ $records = $result->fetchAll();
+
+ // Fill in all the sandbox information so we can batch the individual
+ // record comparing and updating.
+ $sandbox['fields'][$field_counter]['field_table'] = $field_table;
+ $sandbox['fields'][$field_counter]['field_value_field'] = $field_value_field;
+ $sandbox['fields'][$field_counter]['field_default_tags'] = $field_default_tags;
+ $sandbox['fields'][$field_counter]['records'] = $records;
+
+ $sandbox['total_records'] += count($sandbox['fields'][$field_counter]['records'] = $records);
+ $field_counter++;
+ }
+ }
+ }
+
+ if ($sandbox['total_records'] == 0) {
+ // No partially overridden fields so we can skip the whole batch process.
+ $sandbox['#finished'] = 1;
+ }
+ else {
+ // Begin the batch processing of individual field records.
+ $max_per_batch = 10;
+ $counter = 1;
+
+ $current_field = $sandbox['current_field'];
+ $current_field_records = $sandbox['fields'][$current_field]['records'];
+ $current_record = $sandbox['current_record'];
+
+ $field_table = $sandbox['fields'][$current_field]['field_table'];
+ $field_value_field = $sandbox['fields'][$current_field]['field_value_field'];
+ $field_default_tags = $sandbox['fields'][$current_field]['field_default_tags'];
+
+ // Loop through the field(s) and remove any field data that matches the
+ // field default for that bundle. Because the ability to override a default
+ // with "nothing" didn't exist prior to this and because any tag that had
+ // a default of "nothing" would have that also in the field data, we are
+ // removing those as well.
+ while ($counter <= $max_per_batch && $record = $current_field_records[$current_record]) {
+ // Strip any empty tags or ones matching the field's defaults and leave
+ // only the overridden tags in $new_tags.
+ $current_tags = unserialize($record->$field_value_field);
+ $new_tags = [];
+ foreach ($current_tags as $key => $tag) {
+ if (!empty($tag) && $field_default_tags[$key] != $tag) {
+ $new_tags[$key] = $tag;
+ }
+ }
+
+ if (empty($new_tags)) {
+ // All tags were either empty or matched the default so the record can
+ // be deleted.
+ db_delete($field_table)
+ ->condition('entity_id', $record->entity_id)
+ ->condition('revision_id', $record->revision_id)
+ ->condition('langcode', $record->langcode)
+ ->execute();
+ }
+ else {
+ // There are some overridden tags so update the record with just those.
+ $tags_string = serialize($new_tags);
+ db_update($field_table)
+ ->fields([
+ $field_value_field => $tags_string,
+ ])
+ ->condition('entity_id', $record->entity_id)
+ ->condition('revision_id', $record->revision_id)
+ ->condition('langcode', $record->langcode)
+ ->execute();
+ }
+
+ $counter++;
+ $current_record++;
+ }
+
+ if (!isset($current_field_records[$current_record])) {
+ // We ran out of records for the field so start the next batch out with
+ // the next field.
+ $current_field++;
+ $current_record = 0;
+ }
+
+ if (!isset($sandbox['fields'][$current_field])) {
+ // We have finished all the fields. All done.
+ $sandbox['records_processed'] += $counter-1;
+ $sandbox['#finished'] = 1;
+ }
+ else {
+ // Update the sandbox values to prepare for the next round.
+ $sandbox['current_field'] = $current_field;
+ $sandbox['current_record'] = $current_record;
+ $sandbox['records_processed'] += $counter-1;
+ $sandbox['#finished'] = $sandbox['records_processed'] / $sandbox['total_records'];
+ }
+ }
+
+ if ($sandbox['total_records'] > 0) {
+ return (string) t('Processed @processed of @total overridden Metatag records.', [
+ '@processed' => $sandbox['records_processed'],
+ '@total' => $sandbox['total_records']
+ ]);
+ }
+ else {
+ return (string) t("There were no overridden Metatag records.");
+ }
+}
+
+/**
+ * Move field defaults to Metatag Defaults.
+ */
+function metatag_update_8103() {
+ $config_installer = \Drupal::service('config.installer');
+ $entity_manager = \Drupal::entityTypeManager();
+
+ /**
+ * 1. Install cofiguration.
+ */
+ $sync_status = $config_installer->isSyncing();
+ if ($sync_status) {
+ $source_storage = $config_installer->getSourceStorage();
+ }
+
+ // Clear plugin manager caches.
+ \Drupal::getContainer()->get('plugin.cache_clearer')->clearCachedDefinitions();
+ // Install default configuration of the module.
+ if ($sync_status) {
+ $config_installer
+ ->setSyncing(TRUE)
+ ->setSourceStorage($source_storage);
+ }
+
+ // Install new configuration for Metatag.
+ $config_installer->installDefaultConfig('module', 'metatag');
+
+ // Apply all entity definition changes.
+ \Drupal::entityDefinitionUpdateManager()->applyUpdates();
+
+ /**
+ * 2. Extract Metatag field defaults.
+ */
+ $entity_info = $entity_manager->getDefinitions();
+ $tags = [];
+
+ // Get all of the field storage entities of type metatag.
+ $field_storage_configs = $entity_manager
+ ->getStorage('field_storage_config')
+ ->loadByProperties(['type' => 'metatag']);
+
+ foreach ($field_storage_configs as $key => $field_storage) {
+ $field_name = $field_storage->getName();
+
+ // Get the individual fields (field instances) associated with bundles.
+ $fields = $entity_manager->getStorage('field_config')
+ ->loadByProperties(['field_name' => $field_name]);
+ foreach ($fields as $field) {
+ // Adjust the config id depending on whether these are entity defaults
+ // or bundle defaults.
+ $entity_type = $field->getTargetEntityTypeId();
+ $bundle = $field->getTargetBundle();
+ $metatag_defaults_id = $entity_type;
+ if ($entity_type != $bundle) {
+ // This is a bundle override.
+ $metatag_defaults_id = $entity_type . '__' . $bundle;
+ }
+ // Extract field default values.
+ $field_default_tags_value = $field->getDefaultValueLiteral();
+ $field_default_tags_value = unserialize($field_default_tags_value[0]['value']);
+ $field_default_tags_value = array_filter($field_default_tags_value);
+ // Don't bother copying empty values.
+ if (!empty($field_default_tags_value)) {
+ $tags[$metatag_defaults_id] = $field_default_tags_value;
+ }
+ }
+ }
+
+ /**
+ * 3. Create Config entities with field default values.
+ */
+ if (!empty($tags)) {
+ $bundleInfoManager = \Drupal::service('entity_type.bundle.info');
+ foreach ($tags as $metatag_defaults_id => $values) {
+ list($entity_type, $entity_bundle) = explode('__', $metatag_defaults_id);
+ $entity_label = (string) $entity_info[$entity_type]->get('label');
+ $bundle_info = $bundleInfoManager->getBundleInfo($entity_type);
+ $bundle_label = $bundle_info[$entity_bundle]['label'];
+ $label = $entity_label . ': ' . $bundle_label;
+
+ $metatags_global_manager = $entity_manager->getStorage('metatag_defaults');
+
+ $entity = $metatags_global_manager->load($metatag_defaults_id);
+ if ($entity) {
+ // These are defaults for an existing config entity, such as User.
+ $entity->set('tags', $values);
+ }
+ else {
+ // These are bundle overrides.
+ $entity = $metatags_global_manager->create([
+ 'id' => $metatag_defaults_id,
+ 'label' => $label,
+ 'tags' => $values,
+ ]);
+ }
+ $entity->save();
+ }
+ return (string) t("@count Metatag field defaults have been converted to using global entity defaults.", ['@count' => count($tags)]);
+ }
+ else {
+ return (string) t("There were Metatag field configurations that needed to be converted.");
+ }
+}
+
+/**
+ * Rebuild routes after moving Metatag admin from Structure to Config.
+ */
+function metatag_update_8104() {
+ \Drupal::service('router.builder')->setRebuildNeeded();
+}
+
+/**
+ * Rebuild routes after renaming.
+ */
+function metatag_update_8105() {
+ \Drupal::service('router.builder')->setRebuildNeeded();
+}
+
+/**
+ * Add the metatag_defaults config entity to the site.
+ */
+function metatag_update_8106() {
+ \Drupal::entityDefinitionUpdateManager()->applyUpdates();
+}
+
+/**
+ * Enable the new metatag_open_graph module.
+ */
+function metatag_update_8107() {
+ \Drupal::service('module_installer')->install(['metatag_open_graph']);
+ return (string) t("The new Metatag: Open Graph module has been enabled.");
+}