1 files changed, 96 insertions, 0 deletions
diff --git a/lib/group/backend.php b/lib/group/backend.php
new file mode 100644
index 00000000000..298cced7ff5
--- /dev/null
+++ b/lib/group/backend.php
@@ -0,0 +1,96 @@
+<?php
+
+/**
+* ownCloud
+*
+* @author Frank Karlitschek
+* @copyright 2010 Frank Karlitschek karlitschek@kde.org
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+
+
+/**
+ * Abstract base class for user management
+ */
+abstract class OC_GROUP_BACKEND {
+	/**
+	 * @brief Try to create a new group
+	 * @param $gid The name of the group to create
+	 * @returns true/false
+	 *
+	 * Trys to create a new group. If the group name already exists, false will
+	 * be returned.
+	 */
+	public static function createGroup($gid){}
+
+	/**
+	 * @brief delete a group
+	 * @param $gid gid of the group to delete
+	 * @returns true/false
+	 *
+	 * Deletes a group and removes it from the group_user-table
+	 */
+	public static function removeGroup($gid){}
+
+	/**
+	 * @brief is user in group?
+	 * @param $uid uid of the user
+	 * @param $gid gid of the group
+	 * @returns true/false
+	 *
+	 * Checks whether the user is member of a group or not.
+	 */
+	public static function inGroup($uid, $gid){}
+
+	/**
+	 * @brief Add a user to a group
+	 * @param $uid Name of the user to add to group
+	 * @param $gid Name of the group in which add the user
+	 * @returns true/false
+	 *
+	 * Adds a user to a group.
+	 */
+	public static function addToGroup($uid, $gid){}
+
+	/**
+	 * @brief Removes a user from a group
+	 * @param $uid Name of the user to remove from group
+	 * @param $gid Name of the group from which remove the user
+	 * @returns true/false
+	 *
+	 * removes the user from a group.
+	 */
+	public static function removeFromGroup($uid,$gid){}
+
+	/**
+	 * @brief Get all groups a user belongs to
+	 * @param $uid Name of the user
+	 * @returns array with group names
+	 *
+	 * This function fetches all groups a user belongs to. It does not check
+	 * if the user exists at all.
+	 */
+	public static function getUserGroups($uid){}
+
+	/**
+	 * @brief get a list of all groups
+	 * @returns array with group names
+	 *
+	 * Returns a list with all groups
+	 */
+	public static function getGroups(){}
+}