From 4271430e609be252d9b4a69fd7b3590571c14f7c Mon Sep 17 00:00:00 2001
From: Björn Schießle <schiessle@owncloud.com>
Date: Fri, 25 Jan 2013 11:48:03 +0100
Subject: get all display names from users in a given group

---
 lib/group.php | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'lib/group.php')

diff --git a/lib/group.php b/lib/group.php
index ed9482418bd..8ebb698692b 100644
--- a/lib/group.php
+++ b/lib/group.php
@@ -286,4 +286,33 @@ class OC_Group {
 		}
 		return $users;
 	}
+	
+	/**
+	 * @brief get a list of all display names in a group
+	 * @returns array with display names (key) and user ids(value)
+	 */
+	public static function displayNamesInGroup($gid, $search = '', $limit = -1, $offset = 0) {
+		$displayNames=array();
+		foreach(self::$_usedBackends as $backend) {
+			$displayNames = array_merge($backend->displayNamesInGroup($gid, $search, $limit, $offset), $displayNames);
+		}
+		return $displayNames;
+	}
+	
+	/**
+	 * @brief get a list of all display names in several groups
+	 * @param array $gids
+	 * @param string $search
+	 * @param int $limit
+	 * @param int $offset
+	 * @return array with display names (Key) user ids (value)
+	 */
+	public static function displayNamesInGroups($gids, $search = '', $limit = -1, $offset = 0) {
+		$displayNames = array();
+		foreach ($gids as $gid) {
+			// TODO Need to apply limits to groups as total
+			$displayNames = array_merge(array_diff(self::displayNamesInGroup($gid, $search, $limit, $offset), $displayNames), $displayNames);
+		}
+		return $displayNames;
+	}
 }
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