Version 1
[yaffs-website] / web / core / modules / user / src / Plugin / views / filter / Permissions.php
diff --git a/web/core/modules/user/src/Plugin/views/filter/Permissions.php b/web/core/modules/user/src/Plugin/views/filter/Permissions.php
new file mode 100644 (file)
index 0000000..7dd9171
--- /dev/null
@@ -0,0 +1,107 @@
+<?php
+
+namespace Drupal\user\Plugin\views\filter;
+
+use Drupal\Component\Utility\Html;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\user\PermissionHandlerInterface;
+use Drupal\views\Plugin\views\filter\ManyToOne;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Filter handler for user roles.
+ *
+ * @ingroup views_filter_handlers
+ *
+ * @ViewsFilter("user_permissions")
+ */
+class Permissions extends ManyToOne {
+
+  /**
+   * The permission handler.
+   *
+   * @var \Drupal\user\PermissionHandlerInterface
+   */
+  protected $permissionHandler;
+
+  /**
+   * The module handler.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * Constructs a Permissions object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin_id for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\user\PermissionHandlerInterface $permission_handler
+   *   The permission handler.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, PermissionHandlerInterface $permission_handler, ModuleHandlerInterface $module_handler) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+
+    $this->permissionHandler = $permission_handler;
+    $this->moduleHandler = $module_handler;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('user.permissions'),
+      $container->get('module_handler')
+    );
+  }
+
+  public function getValueOptions() {
+    if (!isset($this->valueOptions)) {
+      $permissions = $this->permissionHandler->getPermissions();
+      foreach ($permissions as $perm => $perm_item) {
+        $provider = $perm_item['provider'];
+        $display_name = $this->moduleHandler->getName($provider);
+        $this->valueOptions[$display_name][$perm] = Html::escape(strip_tags($perm_item['title']));
+      }
+      return $this->valueOptions;
+    }
+    else {
+      return $this->valueOptions;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   *
+   * Replace the configured permission with a filter by all roles that have this
+   * permission.
+   */
+  public function query() {
+    // @todo user_role_names() should maybe support multiple permissions.
+    $rids = [];
+    // Get all role IDs that have the configured permissions.
+    foreach ($this->value as $permission) {
+      $roles = user_role_names(FALSE, $permission);
+      // user_role_names() returns an array with the role IDs as keys, so take
+      // the array keys and merge them with previously found role IDs.
+      $rids = array_merge($rids, array_keys($roles));
+    }
+    // Remove any duplicate role IDs.
+    $rids = array_unique($rids);
+    $this->value = $rids;
+
+    // $this->value contains the role IDs that have the configured permission.
+    parent::query();
+  }
+
+}