diff options
Diffstat (limited to 'engine')
| -rw-r--r-- | engine/lib/friends.php | 197 |
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 |