function ConfigImportSubscriber::validateDependencies

Validates configuration being imported does not have unmet dependencies.

Parameters

\Drupal\Core\Config\ConfigImporter $config_importer: The configuration importer.

File

core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php, line 213

Class

ConfigImportSubscriber

Config import subscriber for config import events.

Namespace

Code

protected function validateDependencies(ConfigImporter $config_importer) {
    $core_extension = $config_importer->getStorageComparer()
        ->getSourceStorage()
        ->read('core.extension');
    $existing_dependencies = [
        'config' => $config_importer->getStorageComparer()
            ->getSourceStorage()
            ->listAll(),
        'module' => array_keys($core_extension['module']),
        'theme' => array_keys($core_extension['theme']),
    ];
    $theme_data = $this->getThemeData();
    $module_data = $this->moduleExtensionList
        ->getList();
    // Validate the dependencies of all the configuration. We have to validate
    // the entire tree because existing configuration might depend on
    // configuration that is being deleted.
    foreach ($config_importer->getStorageComparer()
        ->getSourceStorage()
        ->listAll() as $name) {
        // Ensure that the config owner is installed. This checks all
        // configuration including configuration entities.
        list($owner, ) = explode('.', $name, 2);
        if ($owner !== 'core') {
            $message = FALSE;
            if (!isset($core_extension['module'][$owner]) && isset($module_data[$owner])) {
                $message = $this->t('Configuration %name depends on the %owner module that will not be installed after import.', [
                    '%name' => $name,
                    '%owner' => $module_data[$owner]->info['name'],
                ]);
            }
            elseif (!isset($core_extension['theme'][$owner]) && isset($theme_data[$owner])) {
                $message = $this->t('Configuration %name depends on the %owner theme that will not be installed after import.', [
                    '%name' => $name,
                    '%owner' => $theme_data[$owner]->info['name'],
                ]);
            }
            elseif (!isset($core_extension['module'][$owner]) && !isset($core_extension['theme'][$owner])) {
                $message = $this->t('Configuration %name depends on the %owner extension that will not be installed after import.', [
                    '%name' => $name,
                    '%owner' => $owner,
                ]);
            }
            if ($message) {
                $config_importer->logError($message);
                continue;
            }
        }
        $data = $config_importer->getStorageComparer()
            ->getSourceStorage()
            ->read($name);
        // Configuration entities have dependencies on modules, themes, and other
        // configuration entities that we can validate. Their content dependencies
        // are not validated since we assume that they are soft dependencies.
        // Configuration entities can be identified by having 'dependencies' and
        // 'uuid' keys.
        if (isset($data['dependencies']) && isset($data['uuid'])) {
            $dependencies_to_check = array_intersect_key($data['dependencies'], array_flip([
                'module',
                'theme',
                'config',
            ]));
            foreach ($dependencies_to_check as $type => $dependencies) {
                $diffs = array_diff($dependencies, $existing_dependencies[$type]);
                if (!empty($diffs)) {
                    $message = FALSE;
                    switch ($type) {
                        case 'module':
                            $message = $this->formatPlural(count($diffs), 'Configuration %name depends on the %module module that will not be installed after import.', 'Configuration %name depends on modules (%module) that will not be installed after import.', [
                                '%name' => $name,
                                '%module' => implode(', ', $this->getNames($diffs, $module_data)),
                            ]);
                            break;
                        case 'theme':
                            $message = $this->formatPlural(count($diffs), 'Configuration %name depends on the %theme theme that will not be installed after import.', 'Configuration %name depends on themes (%theme) that will not be installed after import.', [
                                '%name' => $name,
                                '%theme' => implode(', ', $this->getNames($diffs, $theme_data)),
                            ]);
                            break;
                        case 'config':
                            $message = $this->formatPlural(count($diffs), 'Configuration %name depends on the %config configuration that will not exist after import.', 'Configuration %name depends on configuration (%config) that will not exist after import.', [
                                '%name' => $name,
                                '%config' => implode(', ', $diffs),
                            ]);
                            break;
                    }
                    if ($message) {
                        $config_importer->logError($message);
                    }
                }
            }
        }
    }
}