Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\language\Config;
Chris@0: 
Chris@0: use Drupal\Core\Cache\CacheableMetadata;
Chris@0: use Drupal\Core\Config\ConfigCollectionInfo;
Chris@0: use Drupal\Core\Config\ConfigCrudEvent;
Chris@0: use Drupal\Core\Config\ConfigFactoryOverrideBase;
Chris@0: use Drupal\Core\Config\ConfigRenameEvent;
Chris@0: use Drupal\Core\Config\StorageInterface;
Chris@0: use Drupal\Core\Config\TypedConfigManagerInterface;
Chris@0: use Drupal\Core\Language\LanguageDefault;
Chris@0: use Drupal\Core\Language\LanguageInterface;
Chris@0: use Symfony\Component\EventDispatcher\EventDispatcherInterface;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides language overrides for the configuration factory.
Chris@0:  */
Chris@0: class LanguageConfigFactoryOverride extends ConfigFactoryOverrideBase implements LanguageConfigFactoryOverrideInterface, EventSubscriberInterface {
Chris@0: 
Chris@0:   use LanguageConfigCollectionNameTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * The configuration storage.
Chris@0:    *
Chris@0:    * Do not access this directly. Should be accessed through self::getStorage()
Chris@0:    * so that the cache of storages per langcode is used.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Config\StorageInterface
Chris@0:    */
Chris@0:   protected $baseStorage;
Chris@0: 
Chris@0:   /**
Chris@0:    * An array of configuration storages keyed by langcode.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Config\StorageInterface[]
Chris@0:    */
Chris@0:   protected $storages;
Chris@0: 
Chris@0:   /**
Chris@0:    * The typed config manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Config\TypedConfigManagerInterface
Chris@0:    */
Chris@0:   protected $typedConfigManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * An event dispatcher instance to use for configuration events.
Chris@0:    *
Chris@0:    * @var \Symfony\Component\EventDispatcher\EventDispatcherInterface
Chris@0:    */
Chris@0:   protected $eventDispatcher;
Chris@0: 
Chris@0:   /**
Chris@0:    * The language object used to override configuration data.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Language\LanguageInterface
Chris@0:    */
Chris@0:   protected $language;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs the LanguageConfigFactoryOverride object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Config\StorageInterface $storage
Chris@0:    *   The configuration storage engine.
Chris@0:    * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
Chris@0:    *   An event dispatcher instance to use for configuration events.
Chris@0:    * @param \Drupal\Core\Config\TypedConfigManagerInterface $typed_config
Chris@0:    *   The typed configuration manager.
Chris@0:    * @param \Drupal\Core\Language\LanguageDefault $default_language
Chris@0:    *   The default language.
Chris@0:    */
Chris@0:   public function __construct(StorageInterface $storage, EventDispatcherInterface $event_dispatcher, TypedConfigManagerInterface $typed_config, LanguageDefault $default_language) {
Chris@0:     $this->baseStorage = $storage;
Chris@0:     $this->eventDispatcher = $event_dispatcher;
Chris@0:     $this->typedConfigManager = $typed_config;
Chris@17:     // Prior to negotiation the override language should be the default
Chris@0:     // language.
Chris@0:     $this->language = $default_language->get();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function loadOverrides($names) {
Chris@0:     if ($this->language) {
Chris@0:       $storage = $this->getStorage($this->language->getId());
Chris@0:       return $storage->readMultiple($names);
Chris@0:     }
Chris@0:     return [];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getOverride($langcode, $name) {
Chris@0:     $storage = $this->getStorage($langcode);
Chris@0:     $data = $storage->read($name);
Chris@0: 
Chris@0:     $override = new LanguageConfigOverride(
Chris@0:       $name,
Chris@0:       $storage,
Chris@0:       $this->typedConfigManager,
Chris@0:       $this->eventDispatcher
Chris@0:     );
Chris@0: 
Chris@0:     if (!empty($data)) {
Chris@0:       $override->initWithData($data);
Chris@0:     }
Chris@0:     return $override;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getStorage($langcode) {
Chris@0:     if (!isset($this->storages[$langcode])) {
Chris@0:       $this->storages[$langcode] = $this->baseStorage->createCollection($this->createConfigCollectionName($langcode));
Chris@0:     }
Chris@0:     return $this->storages[$langcode];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getCacheSuffix() {
Chris@0:     return $this->language ? $this->language->getId() : NULL;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getLanguage() {
Chris@0:     return $this->language;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setLanguage(LanguageInterface $language = NULL) {
Chris@0:     $this->language = $language;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setLanguageFromDefault(LanguageDefault $language_default = NULL) {
Chris@0:     $this->language = $language_default ? $language_default->get() : NULL;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function installLanguageOverrides($langcode) {
Chris@0:     /** @var \Drupal\Core\Config\ConfigInstallerInterface $config_installer */
Chris@0:     $config_installer = \Drupal::service('config.installer');
Chris@0:     $config_installer->installCollectionDefaultConfig($this->createConfigCollectionName($langcode));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function createConfigObject($name, $collection = StorageInterface::DEFAULT_COLLECTION) {
Chris@0:     $langcode = $this->getLangcodeFromCollectionName($collection);
Chris@0:     return $this->getOverride($langcode, $name);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function addCollections(ConfigCollectionInfo $collection_info) {
Chris@0:     foreach (\Drupal::languageManager()->getLanguages() as $language) {
Chris@0:       $collection_info->addCollection($this->createConfigCollectionName($language->getId()), $this);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function onConfigSave(ConfigCrudEvent $event) {
Chris@0:     $config = $event->getConfig();
Chris@0:     $name = $config->getName();
Chris@0:     foreach (\Drupal::languageManager()->getLanguages() as $language) {
Chris@0:       $config_translation = $this->getOverride($language->getId(), $name);
Chris@0:       if (!$config_translation->isNew()) {
Chris@0:         $this->filterOverride($config, $config_translation);
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function onConfigRename(ConfigRenameEvent $event) {
Chris@0:     $config = $event->getConfig();
Chris@0:     $name = $config->getName();
Chris@0:     $old_name = $event->getOldName();
Chris@0:     foreach (\Drupal::languageManager()->getLanguages() as $language) {
Chris@0:       $config_translation = $this->getOverride($language->getId(), $old_name);
Chris@0:       if (!$config_translation->isNew()) {
Chris@0:         $saved_config = $config_translation->get();
Chris@0:         $storage = $this->getStorage($language->getId());
Chris@0:         $storage->write($name, $saved_config);
Chris@0:         $config_translation->delete();
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function onConfigDelete(ConfigCrudEvent $event) {
Chris@0:     $config = $event->getConfig();
Chris@0:     $name = $config->getName();
Chris@0:     foreach (\Drupal::languageManager()->getLanguages() as $language) {
Chris@0:       $config_translation = $this->getOverride($language->getId(), $name);
Chris@0:       if (!$config_translation->isNew()) {
Chris@0:         $config_translation->delete();
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getCacheableMetadata($name) {
Chris@0:     $metadata = new CacheableMetadata();
Chris@0:     if ($this->language) {
Chris@0:       $metadata->setCacheContexts(['languages:language_interface']);
Chris@0:     }
Chris@0:     return $metadata;
Chris@0:   }
Chris@0: 
Chris@0: }