class ConfigSplitCliService {
  use StorageCopyTrait;

  /**
   * The return value indicating no changes were imported.
   */
  const NO_CHANGES = 'no_changes';

  /**
   * The return value indicating that the import is already in progress.
   */
  const ALREADY_IMPORTING = 'already_importing';

  /**
   * The return value indicating that the process is complete.
   */
  const COMPLETE = 'complete';

  /**
   * The filter manager.
   *
   * @var \Drupal\config_filter\ConfigFilterManagerInterface
   */
  protected $configFilterManager;

  /**
   * The config filter storage factory.
   *
   * @var \Drupal\config_filter\ConfigFilterStorageFactory
   */
  protected $storageFactory;

  /**
   * Drupal\Core\Config\ConfigManager definition.
   *
   * @var \Drupal\Core\Config\ConfigManager
   */
  protected $configManager;

  /**
   * Active Config Storage.
   *
   * @var \Drupal\Core\Config\StorageInterface
   */
  protected $activeStorage;

  /**
   * Sync Config Storage.
   *
   * @var \Drupal\Core\Config\StorageInterface
   */
  protected $syncStorage;

  /**
   * Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher definition.
   *
   * @var \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher
   */
  protected $eventDispatcher;

  /**
   * Drupal\Core\ProxyClass\Lock\DatabaseLockBackend definition.
   *
   * @var \Drupal\Core\ProxyClass\Lock\DatabaseLockBackend
   */
  protected $lock;

  /**
   * Drupal\Core\Config\TypedConfigManager definition.
   *
   * @var \Drupal\Core\Config\TypedConfigManager
   */
  protected $configTyped;

  /**
   * Drupal\Core\Extension\ModuleHandler definition.
   *
   * @var \Drupal\Core\Extension\ModuleHandler
   */
  protected $moduleHandler;

  /**
   * Drupal\Core\ProxyClass\Extension\ModuleInstaller definition.
   *
   * @var \Drupal\Core\ProxyClass\Extension\ModuleInstaller
   */
  protected $moduleInstaller;

  /**
   * Drupal\Core\Extension\ThemeHandler definition.
   *
   * @var \Drupal\Core\Extension\ThemeHandler
   */
  protected $themeHandler;

  /**
   * Drupal\Core\StringTranslation\TranslationManager definition.
   *
   * @var \Drupal\Core\StringTranslation\TranslationManager
   */
  protected $stringTranslation;

  /**
   * The ModuleExtensionList to be passed to the config importer.
   *
   * @var \Drupal\Core\Extension\ModuleExtensionList
   */
  protected $moduleExtensionList;

  /**
   * List of messages.
   *
   * @var array
   */
  protected $errors;

  /**
   * Constructor.
   */
  public function __construct(ConfigFilterManagerInterface $config_filter_manager, ConfigFilterStorageFactory $storageFactory, ConfigManagerInterface $config_manager, StorageInterface $active_storage, StorageInterface $sync_storage, EventDispatcherInterface $event_dispatcher, LockBackendInterface $lock, TypedConfigManagerInterface $config_typed, ModuleHandlerInterface $module_handler, ModuleInstallerInterface $module_installer, ThemeHandlerInterface $theme_handler, TranslationInterface $string_translation, ModuleExtensionList $moduleExtensionList) {
    $this->configFilterManager = $config_filter_manager;
    $this->storageFactory = $storageFactory;
    $this->configManager = $config_manager;
    $this->activeStorage = $active_storage;
    $this->syncStorage = $sync_storage;
    $this->eventDispatcher = $event_dispatcher;
    $this->lock = $lock;
    $this->configTyped = $config_typed;
    $this->moduleHandler = $module_handler;
    $this->moduleInstaller = $module_installer;
    $this->themeHandler = $theme_handler;
    $this->stringTranslation = $string_translation;
    $this->moduleExtensionList = $moduleExtensionList;
    $this->errors = [];
  }

  /**
   * Handle the export interaction.
   *
   * @param string|null $split
   *   The split name to export, null for standard export.
   * @param \Symfony\Component\Console\Style\StyleInterface|\ConfigSplitDrush8Io $io
   *   The io interface of the cli tool calling the method.
   * @param callable $t
   *   The translation function akin to t().
   * @param bool $confirmed
   *   Whether the export is already confirmed by the console input.
   */
  public function ioExport($split, $io, callable $t, $confirmed = FALSE) {
    if (!$split) {
      $io
        ->warning('Please consider using `drush config:export` instead for exporting all config.');
      $message = $t('Do a normal (including filters) config export?');
      $storage = $this->syncStorage;
      if (!$storage instanceof FilteredStorageInterface) {
        throw new \RuntimeException('Only exporting splits is supported when not using Config Filter 8.x-1.x');
      }
    }
    else {
      $config_name = $this
        ->getSplitName($split);
      $plugin_id = $this
        ->getPluginIdFromConfigName($config_name);
      $filter = $this->configFilterManager
        ->getFilterInstance($plugin_id);

      // Use a GhostStorage so that we only export the split.
      $storage = $this->storageFactory
        ->getFilteredStorage(FileStorageFactory::getSync(), [
        'config.storage.sync',
      ], [
        $plugin_id,
      ]);
      $storage = new FilteredStorage(new GhostStorage($storage), [
        $filter,
      ]);
      $message = $t('The following directories will be purged and used for exporting configuration:');
      $message .= "\n";
      $message .= $this
        ->getDestination($config_name);
      $message .= "\n";
      $message .= $t('Export the configuration?');
    }
    if ($confirmed || $io
      ->confirm($message)) {
      $this
        ->export($storage);
      $io
        ->success($t("Configuration successfully exported."));
    }
  }

  /**
   * Handle the import interaction.
   *
   * @param string|null $split
   *   The split name to import, null for standard import.
   * @param \Symfony\Component\Console\Style\StyleInterface|\ConfigSplitDrush8Io $io
   *   The $io interface of the cli tool calling.
   * @param callable $t
   *   The translation function akin to t().
   * @param bool $confirmed
   *   Whether the import is already confirmed by the console input.
   */
  public function ioImport($split, $io, callable $t, $confirmed = FALSE) {
    if (!$split) {
      $io
        ->text('Please consider using `drush config:import` instead for importing all config.');
      $message = $t('Do a normal (including filters) config import?');
      $storage = $this->syncStorage;
      if (!$storage instanceof FilteredStorageInterface) {
        throw new \RuntimeException('Only importing splits is supported when not using Config Filter 8.x-1.x');
      }
    }
    else {
      $config_name = $this
        ->getSplitName($split);
      $filter = $this->configFilterManager
        ->getFilterInstance($this
        ->getPluginIdFromConfigName($config_name));

      // Filter the active storage so we only import the split.
      $storage = new FilteredStorage($this->activeStorage, [
        $filter,
      ]);
      $message = $t('The following directory will be used to merge config into the active storage:');
      $message .= "\n";
      $message .= $this
        ->getDestination($config_name);
      $message .= "\n";
      $message .= $t('Import the configuration?');
    }
    try {
      if ($confirmed || $io
        ->confirm($message)) {
        $status = $this
          ->import($storage);
        switch ($status) {
          case ConfigSplitCliService::COMPLETE:
            $io
              ->success($t("Configuration successfully imported."));
            break;
          case ConfigSplitCliService::NO_CHANGES:
            $io
              ->text($t("There are no changes to import."));
            break;
          case ConfigSplitCliService::ALREADY_IMPORTING:
            $io
              ->error($t("Another request may be synchronizing configuration already."));
            break;
          default:
            $io
              ->error($t("Something unexpected happened"));
            break;
        }
      }
    } catch (ConfigImporterException $e) {
      $io
        ->error($t('There have been errors importing: @errors', [
        '@errors' => strip_tags(implode("\n", $this
          ->getErrors())),
      ]));
    }
  }

  /**
   * Export the configuration.
   *
   * This is the quintessential config export.
   *
   * @param \Drupal\Core\Config\StorageInterface $storage
   *   The config storage to export to.
   * @param \Drupal\Core\Config\StorageInterface|null $active
   *   The config storage to export from (optional).
   */
  public function export(StorageInterface $storage, StorageInterface $active = NULL) {
    if (!isset($active)) {

      // Use the active storage.
      $active = $this->activeStorage;
    }

    // Export by using the trait from core.
    static::replaceStorageContents($active, $storage);
  }

  /**
   * Import the configuration.
   *
   * This is the quintessential config import.
   *
   * @param \Drupal\Core\Config\StorageInterface $storage
   *   The config storage to import from.
   *
   * @return string
   *   The state of importing.
   */
  public function import(StorageInterface $storage) {
    $comparer = new StorageComparer($storage, $this->activeStorage);
    if (!$comparer
      ->createChangelist()
      ->hasChanges()) {
      return static::NO_CHANGES;
    }
    $importer = new ConfigImporter($comparer, $this->eventDispatcher, $this->configManager, $this->lock, $this->configTyped, $this->moduleHandler, $this->moduleInstaller, $this->themeHandler, $this->stringTranslation, $this->moduleExtensionList);
    if ($importer
      ->alreadyImporting()) {
      return static::ALREADY_IMPORTING;
    }
    try {

      // Do the import with the ConfigImporter.
      $importer
        ->import();
    } catch (ConfigImporterException $e) {

      // Catch and re-trow the ConfigImporterException.
      $this->errors = $importer
        ->getErrors();
      throw $e;
    }
    return static::COMPLETE;
  }

  /**
   * Returns error messages created while running the import.
   *
   * @return array
   *   List of messages.
   */
  public function getErrors() {
    return $this->errors;
  }

  /**
   * Get the plugin id of a split filter from a config name.
   *
   * @param string $name
   *   The config name.
   *
   * @return string
   *   The plugin id.
   */
  protected function getPluginIdFromConfigName($name) {
    return 'config_split:' . str_replace('config_split.config_split.', '', $name);
  }

  /**
   * Get the configuration name from the short name.
   *
   * @param string $name
   *   The name to get the config name for.
   *
   * @return string
   *   The split configuration name.
   */
  protected function getSplitName($name) {
    if (strpos($name, 'config_split.config_split.') !== 0) {
      $name = 'config_split.config_split.' . $name;
    }
    if (!in_array($name, $this->activeStorage
      ->listAll('config_split.config_split.'))) {
      $names = [];
      foreach ($this->activeStorage
        ->listAll('config_split.config_split.') as $split_name) {
        $names[] = $split_name;
      }
      $names = implode(', ', $names);
      throw new \InvalidArgumentException('The following split is not available: ' . $name . PHP_EOL . 'Available names: ' . $names);
    }
    return $name;
  }

  /**
   * Returns the directory path to export or "database".
   *
   * @param string $config_name
   *   The configuration name.
   *
   * @return string
   *   The destination.
   */
  protected function getDestination($config_name) {
    $destination = $this->configManager
      ->getConfigFactory()
      ->get($config_name)
      ->get('folder');
    if ($destination == '') {
      $destination = 'dedicated database table.';
    }
    return $destination;
  }

}

Members

Name	Modifiers	Type	Description
ConfigSplitCliService::$activeStorage	protected	property	Active Config Storage.
ConfigSplitCliService::$configFilterManager	protected	property	The filter manager.
ConfigSplitCliService::$configManager	protected	property	Drupal\Core\Config\ConfigManager definition.
ConfigSplitCliService::$configTyped	protected	property	Drupal\Core\Config\TypedConfigManager definition.
ConfigSplitCliService::$errors	protected	property	List of messages.
ConfigSplitCliService::$eventDispatcher	protected	property	Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher definition.
ConfigSplitCliService::$lock	protected	property	Drupal\Core\ProxyClass\Lock\DatabaseLockBackend definition.
ConfigSplitCliService::$moduleExtensionList	protected	property	The ModuleExtensionList to be passed to the config importer.
ConfigSplitCliService::$moduleHandler	protected	property	Drupal\Core\Extension\ModuleHandler definition.
ConfigSplitCliService::$moduleInstaller	protected	property	Drupal\Core\ProxyClass\Extension\ModuleInstaller definition.
ConfigSplitCliService::$storageFactory	protected	property	The config filter storage factory.
ConfigSplitCliService::$stringTranslation	protected	property	Drupal\Core\StringTranslation\TranslationManager definition.
ConfigSplitCliService::$syncStorage	protected	property	Sync Config Storage.
ConfigSplitCliService::$themeHandler	protected	property	Drupal\Core\Extension\ThemeHandler definition.
ConfigSplitCliService::ALREADY_IMPORTING		constant	The return value indicating that the import is already in progress.
ConfigSplitCliService::COMPLETE		constant	The return value indicating that the process is complete.
ConfigSplitCliService::export	public	function	Export the configuration.
ConfigSplitCliService::getDestination	protected	function	Returns the directory path to export or "database".
ConfigSplitCliService::getErrors	public	function	Returns error messages created while running the import.
ConfigSplitCliService::getPluginIdFromConfigName	protected	function	Get the plugin id of a split filter from a config name.
ConfigSplitCliService::getSplitName	protected	function	Get the configuration name from the short name.
ConfigSplitCliService::import	public	function	Import the configuration.
ConfigSplitCliService::ioExport	public	function	Handle the export interaction.
ConfigSplitCliService::ioImport	public	function	Handle the import interaction.
ConfigSplitCliService::NO_CHANGES		constant	The return value indicating no changes were imported.
ConfigSplitCliService::__construct	public	function	Constructor.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.

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class ConfigSplitCliService in Configuration Split 8

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