function ConfigInstaller::installOptionalConfig

Overrides ConfigInstallerInterface::installOptionalConfig

File

core/lib/Drupal/Core/Config/ConfigInstaller.php, line 166

Class

ConfigInstaller

Namespace

Code

public function installOptionalConfig(StorageInterface $storage = NULL, $dependency = []) {
    $profile = $this->drupalGetProfile();
    $enabled_extensions = $this->getEnabledExtensions();
    $existing_config = $this->getActiveStorages()
        ->listAll();
    // Create the storages to read configuration from.
    if (!$storage) {
        // Search the install profile's optional configuration too.
        $storage = new ExtensionInstallStorage($this->getActiveStorages(StorageInterface::DEFAULT_COLLECTION), InstallStorage::CONFIG_OPTIONAL_DIRECTORY, StorageInterface::DEFAULT_COLLECTION, TRUE, $this->installProfile);
        // The extension install storage ensures that overrides are used.
        $profile_storage = NULL;
    }
    elseif (!empty($profile)) {
        // Creates a profile storage to search for overrides.
        $profile_install_path = $this->drupalGetPath('module', $profile) . '/' . InstallStorage::CONFIG_OPTIONAL_DIRECTORY;
        $profile_storage = new FileStorage($profile_install_path, StorageInterface::DEFAULT_COLLECTION);
    }
    else {
        // Profile has not been set yet. For example during the first steps of the
        // installer or during unit tests.
        $profile_storage = NULL;
    }
    // Build the list of possible configuration to create.
    $list = $storage->listAll();
    if ($profile_storage && !empty($dependency)) {
        // Only add the optional profile configuration into the list if we are
        // have a dependency to check. This ensures that optional profile
        // configuration is not unexpectedly re-created after being deleted.
        $list = array_unique(array_merge($list, $profile_storage->listAll()));
    }
    // Filter the list of configuration to only include configuration that
    // should be created.
    $list = array_filter($list, function ($config_name) use ($existing_config) {
        // Only list configuration that:
        // - does not already exist
        // - is a configuration entity (this also excludes config that has an
        //   implicit dependency on modules that are not yet installed)
        return !in_array($config_name, $existing_config) && $this->configManager
            ->getEntityTypeIdByName($config_name);
    });
    $all_config = array_merge($existing_config, $list);
    $all_config = array_combine($all_config, $all_config);
    $config_to_create = $storage->readMultiple($list);
    // Check to see if the corresponding override storage has any overrides or
    // new configuration that can be installed.
    if ($profile_storage) {
        $config_to_create = $profile_storage->readMultiple($list) + $config_to_create;
    }
    // Sort $config_to_create in the order of the least dependent first.
    $dependency_manager = new ConfigDependencyManager();
    $dependency_manager->setData($config_to_create);
    $config_to_create = array_merge(array_flip($dependency_manager->sortAll()), $config_to_create);
    if (!empty($dependency)) {
        // In order to work out dependencies we need the full config graph.
        $dependency_manager->setData($this->getActiveStorages()
            ->readMultiple($existing_config) + $config_to_create);
        $dependencies = $dependency_manager->getDependentEntities(key($dependency), reset($dependency));
    }
    foreach ($config_to_create as $config_name => $data) {
        // Remove configuration where its dependencies cannot be met.
        $remove = !$this->validateDependencies($config_name, $data, $enabled_extensions, $all_config);
        // Remove configuration that is not dependent on $dependency, if it is
        // defined.
        if (!$remove && !empty($dependency)) {
            $remove = !isset($dependencies[$config_name]);
        }
        if ($remove) {
            // Remove from the list of configuration to create.
            unset($config_to_create[$config_name]);
            // Remove from the list of all configuration. This ensures that any
            // configuration that depends on this configuration is also removed.
            unset($all_config[$config_name]);
        }
    }
    // Create the optional configuration if there is any left after filtering.
    if (!empty($config_to_create)) {
        $this->createConfiguration(StorageInterface::DEFAULT_COLLECTION, $config_to_create, TRUE);
    }
}