1 files changed, 67 insertions, 0 deletions
diff --git a/lib/public/Group/Backend/ABackend.php b/lib/public/Group/Backend/ABackend.php
new file mode 100644
index 00000000000..507b9225501
--- /dev/null
+++ b/lib/public/Group/Backend/ABackend.php
@@ -0,0 +1,67 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\Group\Backend;
+
+use OCP\GroupInterface;
+
+/**
+ * @since 14.0.0
+ */
+abstract class ABackend implements GroupInterface {
+
+	/**
+	 * @deprecated 14.0.0
+	 *
+	 * @param int $actions The action to check for
+	 * @return bool
+	 */
+	public function implementsActions($actions): bool {
+		$implements = 0;
+
+		if ($this instanceof IAddToGroupBackend) {
+			$implements |= GroupInterface::ADD_TO_GROUP;
+		}
+		if ($this instanceof ICountUsersBackend) {
+			$implements |= GroupInterface::COUNT_USERS;
+		}
+		if ($this instanceof ICreateGroupBackend) {
+			$implements |= GroupInterface::CREATE_GROUP;
+		}
+		if ($this instanceof IDeleteGroupBackend) {
+			$implements |= GroupInterface::DELETE_GROUP;
+		}
+		if ($this instanceof IGroupDetailsBackend) {
+			$implements |= GroupInterface::GROUP_DETAILS;
+		}
+		if ($this instanceof IIsAdminBackend) {
+			$implements |= GroupInterface::IS_ADMIN;
+		}
+		if ($this instanceof IRemoveFromGroupBackend) {
+			$implements |= GroupInterface::REMOVE_FROM_GOUP;
+		}
+
+		return (bool)($actions & $implements);
+	}
+}