+++ /dev/null
-<?php
-/****************************************************************/
-/* ATutor */
-/****************************************************************/
-/* Copyright (c) 2002-2009 */
-/* Adaptive Technology Resource Centre / University of Toronto */
-/* http://atutor.ca */
-/* */
-/* This program is free software. You can redistribute it and/or*/
-/* modify it under the terms of the GNU General Public License */
-/* as published by the Free Software Foundation. */
-/****************************************************************/
-// $Id$
-
-require_once(AT_SOCIAL_INCLUDE.'classes/Activity.class.php');
-
-/**
- * Social Groups, this is different from the Groups class in ATutor.
- */
-class SocialGroups{
-
- /**
- * constructor
- */
- function SocialGroups(){}
-
- /**
- * Adding a group
- * @param int the group type specified in the table, social_groups_types
- * @param string name of the group
- * @param string description of the group
- * @param int privacy setting, public is 0, private is 1. Public means everyone can see the message board and users. Private is the opposite
- * @return the id of this new group if succeded, false otherwise.
- */
- function addGroup($type_id, $name, $description, $privacy){
- global $db, $addslashes;
-
- $type_id = intval($type_id);
- $name = $addslashes($name);
- $description = $addslashes($description);
- $privacy = intval($privacy);
- $member_id = $_SESSION['member_id'];
-
- $sql = 'INSERT INTO '.TABLE_PREFIX."social_groups (`member_id`, `type_id`, `name`, `description`, `privacy`, `created_date`, `last_updated`) VALUES ($member_id, $type_id, '$name', '$description', $privacy, NOW(), NOW())";
- $result = mysql_query($sql, $db);
- $group_id = mysql_insert_id();
- if ($result){
- //add it to the group member table
- $sql = 'INSERT INTO '.TABLE_PREFIX."social_groups_members (group_id, member_id) VALUES ($group_id, $_SESSION[member_id])";
- $result = mysql_query($sql, $db);
- if ($result){
- $act = new Activity();
- $str1 = ' has added the group, <a href="'.AT_SOCIAL_BASENAME.'groups/view.php?id='.$group_id.'">'.htmlentities_utf8($name).'</a>';
- $act->addActivity($member_id, $str1);
- unset($act);
- }
- return $group_id;
- }
- return false;
- }
-
- /**
- * Removing a group, invovles removing everything related to this group.
- * @param int the group id
- */
- function removeGroup($id){
- global $db;
- $social_group = new SocialGroup($id);
-
- //remove group activities
- $status = $social_group->removeGroupActivities();
-
- //remove group forums
- $status &= $social_group->removeGroupForums();
-
- //remove group members
- $status &= $social_group->removeGroupMembers();
-
- //remove group requests
- $status &= $social_group->removeGroupRequests();
-
- //remove group invitations
- $status &= $social_group->removeGroupInvitations();
-
- //remove message board
- $status &= $social_group->removeAllMessages();
-
- //remove group logo
- $status &= $social_group->removeGroupLogo();
-
- //remove groups
- $sql = 'DELETE FROM '.TABLE_PREFIX.'social_groups WHERE id='.$id;
- $status &= mysql_query($sql, $db);
- }
-
-
- /**
- * Update a group
- * @param int group id
- * @param int member_id, to update the owner of this group
- * @param int the group type specified in the table, social_groups_type
- * @param string name of the group
- * @param string description of the group
- * @param string the filename of the logo
- * @param string group privacy, private for 1, public for 0
- */
- function updateGroup($group_id, $member_id, $type_id, $name, $description, $logo, $privacy){
- global $db, $addslashes;
-
- $group_id = intval($group_id);
- $member_id = intval($member_id);
- $type_id = intval($type_id);
- $name = $addslashes($name);
- $description = $addslashes($description);
- $logo = $addslashes($logo);
- $privacy = ($privacy=='private')?1:0;
- //only include logo sql iff it is not empty, otherwise the old entry will be erased.
- if ($logo!=''){
- $logo_sql = "`logo`='$logo', ";
- } else {
- $logo_sql = '';
- }
-
- $sql = 'UPDATE '.TABLE_PREFIX."social_groups SET `member_id`=$member_id, `type_id`=$type_id, ".$logo_sql."`name`='$name', `privacy`=$privacy, `description`='$description', `last_updated`=NOW() WHERE id=$group_id";
- $result = mysql_query($sql, $db);
- if ($result){
- $act = new Activity();
- $str1 = ' has updated the group, <a href="'.AT_SOCIAL_BASENAME.'groups/view.php?id='.$group_id.'">'.htmlentities_utf8($name).'</a>';
- $act->addActivity($member_id, $str1);
- unset($act);
- return true;
- }
- return false;
- }
-
-
- /**
- * Get all the group types
- * @return list of group types
- */
- function getAllGroupType(){
- global $db, $addslashes;
- $group_types = array();
-
- $sql = 'SELECT * FROM '.TABLE_PREFIX.'social_groups_types';
- $result = mysql_query($sql, $db);
- if ($result){
- while($row = mysql_fetch_assoc($result)){
- $group_types[$row['type_id']] = $row['title'];
- }
- }
- return $group_types;
- }
-
-
- /**
- * Get the group infromation from the sql
- * @param int group id
- * @return mixed SocialGroup obj
- */
- function getGroup($group_id){
- $socialGroup = new SocialGroup($group_id);
- return $socialGroup;
- }
-
-
- /**
- * Get ALL of a person's groups
- * @param int the groups that this member is in.
- * @param int the index of which the entry to get
- */
- function getMemberGroups($member_id, $offset=-1){
- global $db;
- $my_groups = array();
-
- $sql = 'SELECT group_id FROM '.TABLE_PREFIX.'social_groups_members WHERE member_id='.$member_id;
- if ($offset >= 0){
- $sql .= " LIMIT $offset, ".SOCIAL_GROUP_MAX;
- }
- $result = mysql_query($sql, $db);
- if ($result){
- while($row = mysql_fetch_assoc($result)){
- $my_groups[] = $row['group_id'];
- }
- }
- return $my_groups;
- }
-
-
- /**
- * Search
- * @param string query string for the search
- * @param string filters
- */
- function search($query, $filters=''){
- /* Perform a simple search for now
- * That searches only the title?
- * Use Joel's search idea? Point based system search? The Google's idea?
- *
- * Idea:
- * 1. Get all results that matches the query separtated by space
- * 2. Give points to the result that has more match, or whatever our "point system" is
- * 3. Sort it in the order of most points to the least points.
- */
- global $db, $addslashes;
-
- if ($query=='') return array(); //quit if search query is empty
-
- $search_result = array();
- $query = $addslashes(trim($query));
- $words = explode(' ', $query);
- foreach($words as $piece){
- $extra .= "`name` LIKE '%$piece%' OR ";
- $extra .= "`description` LIKE '%$piece%' OR ";
- }
- $extra = substr($extra, 0, -3);
- $sql = 'SELECT * FROM '.TABLE_PREFIX.'social_groups WHERE '.$extra;
- $result = mysql_query($sql, $db);
- if ($result){
- while ($row = mysql_fetch_assoc($result)){
- $search_result[$row['id']]['obj'] = new SocialGroup($row['id']);
- $search_result[$row['id']]['weight'] = $this->inQuery($words, $row['name']);
- }
- }
- uasort($search_result, array($this, 'search_cmp'));
- return array_reverse($search_result);
- }
-
-
- /**
- * Return the counts of word appeareance in the given string.
- * @param array the string that hte user typed in to search for
- * @param string the name of the group
- */
- function inQuery($words, $str){
- $count = 0;
- foreach ($words as $index=>$word){
- if (trim($word)=='') continue;
- $count += substr_count($str, strtolower($word));
- }
- return $count;
- }
-
-
- function search_cmp($row1, $row2){
- if ($row1['weight'] == $row2['weight']) return 0;
- return ($row1['weight'] < $row2['weight']) ? -1 : 1;
- }
-}
-?>
\ No newline at end of file
projects / atutor.git / blobdiff