Removing the friends module (it's unnecessary)

git-svn-id: https://code.elgg.org/elgg/trunk@327 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 0 insertions, 197 deletions

diff --git a/engine/lib/friends.php b/engine/lib/friends.php
deleted file mode 100644
index 618f99d05..000000000
--- a/engine/lib/friends.php
+++ /dev/null
@@ -1,197 +0,0 @@
-<?php

-

-	/**

-	 * Elgg friends

-	 * Functions for friendship management

-	 * 

-	 * @package Elgg

-	 * @subpackage Core

-	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2

-	 * @author Curverider Ltd

-	 * @copyright Curverider Ltd 2008

-	 * @link http://elgg.org/

-	 */

-

-

-	/**

-	 * Make a friend

-	 * 

-	 * @param $user_id int User ID of the user being befriended.

-	 * @param $friend_id int User ID of the new friend.

-	 *

-	 * @return mixed record id if success,  False if attempt failed

-	 */

-

-	    function make_friend($user_id,$friend_id, $site_id)

-	    {

-	    	

-	    	global $CONFIG;

-	    	

-	    	$user_id = (int) $user_id;

-	    	$friend_id = (int) $friend_id;

-	    	$site_id = (int) $site_id;

-	        if (!get_data_row("SELECT id FROM {$CONFIG->dbprefix}friends WHERE user_id = $user_id AND friend_id = $friend_id AND site_id = {$site_id}")) {

-	            return insert_data("INSERT INTO {$CONFIG->dbprefix}friends (user_id,friend_id,site_id) VALUES ($user_id,$friend_id,$site_id)");

-	        } else {

-	            return false;

-	        }  

-	

-	    }

-    

-    /**

-	 * Remove friend

-	 * 

-	 * @param $user_id int User ID of the user having the friend removed.

-	 * @param $friend_id int User ID of the friend being removed.

-	 */

-

-	    function remove_friend($user_id,$friend_id,$site)

-	    {

-	        global $CONFIG;

-	        $user_id = (int) $user_id;

-	        $friend_id = (int) $friend_id;

-	   		$site = (int) $site;

-	        delete_record("DELETE FROM {$CONFIG->dbprefix}friends WHERE user_id = $user_id AND friend_id = $friend_id AND site_id = {$site}");

-	        return true;

-	    }

-    

-    /**

-     * Determines if the user $user_id is friends with the currently logged in user, or a specified user

-     * @param int $user_id The user we're testing to see if they're a friend

-     * @param int $friend_of Optionally, the user we're testing to see if they're a friend of (the logged in user if unspecified)

-     * @return true|false Wehther $user_id is a friend of $friend_of

-     */

-	    function is_friend($user_id, $friend_of, $site) {

-	    	global $CONFIG;

-	        $user_id = (int) $user_id;

-	        $friend_of = (int) $friend_of;

-	        $site = (int) $site;

-	        if ($friend_of < 1) {

-	            return false;

-	        }

-	        if (get_data_row("select id FROM {$CONFIG->dbprefix}friends where user_id = {$friend_of} and friend_id = {$user_id} and site_id = {$site}")) {

-	            return true;

-	        }

-	        return false;

-	    }

-

-	/**

-	 * Get a user's friends

-	 *

-	 * @param int $user_id The user ID

-	 * @param int $site The site ID

-	 * @return unknown

-	 */

-	    

-	   function get_friends($user_id, $site) {

-	   	

-	   		global $CONFIG;

-	   		$user_id = (int) $user_id;

-	   		$site = (int) $site;

-	   		return get_data("SELECT u.* FROM {$CONFIG->dbprefix}friends f LEFT JOIN {$CONFIG->dbprefix}users u on u.id = f.friend_id WHERE user_id = {$user_id} and site_id = {$site}","row_to_elgguser");

-	   	

-	   }

-	    

-    /**

-     * Return friend IDs in a way suitable for including in a 'where' statement.

-     *

-     * @param unknown_type $user_id

-     * @return unknown

-     */

-	    function get_friends_where($user_id, $site) {

-	    	global $CONFIG;

-	        $friendswhere = "";

-	        if ($friends = get_friends($user_id,1,999,$site)) {

-	        	$friendswhere .= $user_id;

-	            foreach($friends as $friend) {

-	                if (!empty($friendswhere)) $friendswhere .= ",";

-	                $friendswhere .= $friend;

-	            }

-	        }

-	        if (empty($friendswhere)) {

-	            $friendswhere = "-1";

-	        }

-	        return "({$friendswhere})";

-	    }

-    

-    /**

-	 * Get all the people who have befriended friend_id

-	 * 

-	 * @param $friend_id int User ID of the user in question

-	 * @param $degree int

-	 *

-	 * @return array of ElggUsers

-	 */

-

-	    function get_friends_reverse($friend_id, $site)

-	    {

-	    	global $CONFIG;

-	    	$friend_id = (int) $friend_id;

-	    	$site = (int) $site;

-	        return get_data("SELECT u.* FROM {$CONFIG->dbprefix}friends f LEFT JOIN {$CONFIG->dbprefix}users u on u.id = f.user_id WHERE friend_id = {$friend_id} and site_id = {$site}","row_to_elgguser");

-	    }

-    

-	/**

-     * Returns a stirng of reverse friend IDs suitable for dropping into an SQL statement

-     *

-     * @param unknown_type $user_id

-     * @return unknown

-     */

-    function get_friends_reverse_where($user_id, $site) {

-        

-        $friendswhere = "";

-        if ($friends = get_friends_reverse($user_id,$site)) {

-            $friendswhere .= $user_id;

-            foreach($friends as $friend) {

-                if (!empty($friendswhere)) $friendswhere .= ",";

-                $friendswhere .= $friend;

-            }

-        }

-        if (empty($friendswhere)) {

-        	$friendswhere = "-1";

-        }

-        return "({$friendswhere})";

-    }

-    

-    /**

-     * Get all the mutual friends of $user_id

-     * 

-     * @param $user_id int User ID of the user in question

-     * @param $site int Optionally, the ID of the current site

-     *

-     * @return array of ElggUsers

-     */

-    

-	    function get_mutual_friends($user_id, $site) {

-	    	

-	    	global $CONFIG;

-	    	

-		    $friend_id = (int) $user_id;		    

-		    $friends = get_friends_where($user_id, $site);

-		    

-		    return get_data("SELECT u.* FROM {$CONFIG->dbprefix}friends f LEFT JOIN {$CONFIG->dbprefix}users u on u.id = f.user_id WHERE friend_id = {$friend_id} and site_id = {$site} and user_id in {$friends}","row_to_elgguser");

-	    	

-	    }

-    

-    /**

-     * Returns a stirng of mutual friend IDs suitable for dropping into an SQL statement

-     *

-     * @param unknown_type $user_id

-     * @return unknown

-     */

-	    function get_mutual_friends_where($user_id, $site) {

-	    	

-	    	$friendswhere = "";

-	        if ($friends = get_mutual_friends($user_id, $site)) {

-	        	$friendswhere .= $user_id;

-	            foreach($friends as $friend) {

-	                if (!empty($friendswhere)) $friendswhere .= ",";

-	                $friendswhere .= $friend;

-	            }

-	        }

-	        return "({$friendswhere})";

-	    	

-	    }

-    

-

-?>
\ No newline at end of file