Version 1

[yaffs-website] / web / core / modules / config_translation / src / Access / ConfigTranslationOverviewAccess.php

diff --git a/web/core/modules/config_translation/src/Access/ConfigTranslationOverviewAccess.php b/web/core/modules/config_translation/src/Access/ConfigTranslationOverviewAccess.php
new file mode 100644 (file)
index 0000000..6d3690f
--- /dev/null
+++ b/web/core/modules/config_translation/src/Access/ConfigTranslationOverviewAccess.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace Drupal\config_translation\Access;
+
+use Drupal\config_translation\ConfigMapperInterface;
+use Drupal\config_translation\Exception\ConfigMapperLanguageException;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\config_translation\ConfigMapperManagerInterface;
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Routing\Access\AccessInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Checks access for displaying the configuration translation overview.
+ */
+class ConfigTranslationOverviewAccess implements AccessInterface {
+
+  /**
+   * The mapper plugin discovery service.
+   *
+   * @var \Drupal\config_translation\ConfigMapperManagerInterface
+   */
+  protected $configMapperManager;
+
+  /**
+   * The language manager.
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
+  /**
+   * Constructs a ConfigTranslationOverviewAccess object.
+   *
+   * @param \Drupal\config_translation\ConfigMapperManagerInterface $config_mapper_manager
+   *   The mapper plugin discovery service.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager service.
+   */
+  public function __construct(ConfigMapperManagerInterface $config_mapper_manager, LanguageManagerInterface $language_manager) {
+    $this->configMapperManager = $config_mapper_manager;
+    $this->languageManager = $language_manager;
+  }
+
+  /**
+   * Checks access to the overview based on permissions and translatability.
+   *
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The route_match to check against.
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The account to check access for.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(RouteMatchInterface $route_match, AccountInterface $account) {
+    $mapper = $this->getMapperFromRouteMatch($route_match);
+
+    try {
+      $langcode = $mapper->getLangcode();
+    }
+    catch (ConfigMapperLanguageException $exception) {
+      // ConfigTranslationController shows a helpful message if the language
+      // codes do not match, so do not let that prevent granting access.
+      $langcode = 'en';
+    }
+    $source_language = $this->languageManager->getLanguage($langcode);
+
+    return $this->doCheckAccess($account, $mapper, $source_language);
+  }
+
+  /**
+   * Gets a configuration mapper using a route match.
+   *
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The route match to populate the mapper with.
+   *
+   * @return \Drupal\config_translation\ConfigMapperInterface
+   *   The configuration mapper.
+   */
+  protected function getMapperFromRouteMatch(RouteMatchInterface $route_match) {
+    $mapper = $this->configMapperManager->createInstance($route_match->getRouteObject()
+      ->getDefault('plugin_id'));
+    $mapper->populateFromRouteMatch($route_match);
+    return $mapper;
+  }
+
+  /**
+   * Checks access given an account, configuration mapper, and source language.
+   *
+   * Grants access if the proper permission is granted to the account, the
+   * configuration has translatable pieces, and the source language is not
+   * locked given it is present.
+   *
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The account to check access for.
+   * @param \Drupal\config_translation\ConfigMapperInterface $mapper
+   *   The configuration mapper to check access for.
+   * @param \Drupal\Core\Language\LanguageInterface|null $source_language
+   *   The source language to check for, if any.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The result of the access check.
+   */
+  protected function doCheckAccess(AccountInterface $account, ConfigMapperInterface $mapper, $source_language = NULL) {
+    $access =
+      $account->hasPermission('translate configuration') &&
+      $mapper->hasSchema() &&
+      $mapper->hasTranslatable() &&
+      (!$source_language || !$source_language->isLocked());
+
+    return AccessResult::allowedIf($access)->cachePerPermissions();
+  }
+
+}