<?php // $Id: usermanager.lib.php 17705 2009-01-13 20:13:58Z herodoto $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2009 Dokeos SPRL
Copyright (c) 2009 Julio Montoya Armas < gugli100 @ gmail . com >
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
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; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This library provides functions for the URL management.
* Include/require it in your code to use its functionality.
*
* @package dokeos.library
==============================================================================
*/
// define constants for user extra field types
class UrlManager
{
/**
* Creates a new access to Dokeos
* @author Julio Montoya < gugli100 @ gmail . com > ,
*
* @param string The URL of the site
* @param string The description of the site
* @param int is active or not
* @param int the user_id of the owner
* @return boolean if success
*/
function add($url, $description, $active)
{
$tms = time();
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "INSERT INTO $access_url_table
SET url = '".Database::escape_string($url)."/',
description = '".Database::escape_string($description)."',
active = '".Database::escape_string($active)."',
created_by = '".Database::escape_string(api_get_user_id())."',
tms = FROM_UNIXTIME(".$tms.")";
$result = api_sql_query($sql, __FILE__, __LINE__);
return $result;
}
/**
* Updates an URL access to Dokeos
* @author Julio Montoya < gugli100 @ gmail . com > ,
*
* @param int The url id
* @param string The description of the site
* @param int is active or not
* @param int the user_id of the owner
* @return boolean if success
*/
function udpate($url_id, $url, $description, $active) {
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$tms = time();
$sql = "UPDATE $access_url_table
SET url = '".Database::escape_string($url)."',
description = '".Database::escape_string($description)."',
active = '".Database::escape_string($active)."',
created_by = '".Database::escape_string(api_get_user_id())."',
tms = FROM_UNIXTIME(".$tms.") WHERE id = '$url_id'";
$result = api_sql_query($sql, __FILE__, __LINE__);
return $result;
}
/**
*
* */
function url_exist($url) {
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id FROM $access_url_table WHERE url = '".Database::escape_string($url)."' ";
$res = api_sql_query($sql,__FILE__,__LINE__);
$num = Database::num_rows($res);
return $num;
}
/**
*
* */
function url_id_exist($url) {
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id FROM $access_url_table WHERE id = '".Database::escape_string($url)."' ";
$res = api_sql_query($sql,__FILE__,__LINE__);
$num = Database::num_rows($res);
return $num;
}
/**
* This function get the quantity of URL
* @author Julio Montoya
* @return int count of urls
* */
function url_count() {
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT count(id) as count_result FROM $access_url_table";
$res = api_sql_query($sql, __FILE__, __LINE__);
$url = Database::fetch_row($res);
$result = $url['0'];
return $result;
}
/**
* Gets the id, url, description, and active status of ALL URLs
* @author Julio Montoya
* @return array
* */
function get_url_data() {
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id , url , description, active FROM $access_url_table";
$res = api_sql_query($sql, __FILE__, __LINE__);
$urls = array ();
while ($url = Database::fetch_row($res))
{
$urls[] = $url;
}
return $urls;
}
/**
* Gets the id, url, description, and active status of ALL URLs
* @author Julio Montoya
* @return array
* */
function get_url_data_from_id($url_id) {
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id, url, description, active FROM $access_url_table WHERE id = ".Database::escape_string($url_id);
$res = api_sql_query($sql, __FILE__, __LINE__);
$row = Database::fetch_array($res);
return $row;
}
/**
* Sets the status of an URL 1 or 0
* @author Julio Montoya
* @param string lock || unlock
* @param int url id
* */
function set_url_status($status,$url_id)
{
$url_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
if ($status=='lock') {
$status_db='0';
}
if ($status=='unlock') {
$status_db='1';
}
if(($status_db=='1' OR $status_db=='0') AND is_numeric($url_id)) {
$sql="UPDATE $url_table SET active='".Database::escape_string($status_db)."' WHERE id='".Database::escape_string($url_id)."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
}
}
/**
* Deletes an url
* @author Julio Montoya
* @param int url id
* @return boolean true if success
* */
function delete($id)
{
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql= "DELETE FROM $access_url_table WHERE id = ".Database::escape_string($id)."";
$result = api_sql_query($sql, __FILE__, __LINE__);
return $result;
}
/**
* Deletes an url
* @author Julio Montoya
* @param int user id
* @param int url id
* @return boolean true if success
* */
function relation_url_user_exist($user_id, $url_id)
{
$access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql= "SELECT user_id FROM $access_url_rel_user_table WHERE access_url_id = ".Database::escape_string($url_id)." AND user_id = ".Database::escape_string($user_id)." ";
$result = api_sql_query($sql, __FILE__, __LINE__);
$num = Database::num_rows($result);
return $num;
}
/**
* Add a group of users into a group of URLs
* @author Julio Montoya
* @param array of user_ids
* @param array of url_ids
* */
function add_users_to_urls($user_list,$url_list)
{
$access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$result_array=array();
if (is_array($user_list) & & is_array($url_list)){
foreach ($url_list as $url_id) {
foreach ($user_list as $user_id) {
$count = UrlManager::relation_url_user_exist($user_id,$url_id);
if ($count==0) {
$sql = "INSERT INTO $access_url_rel_user_table
SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id);
$result = api_sql_query($sql, __FILE__, __LINE__);
if($result)
$result_array[$url_id][$user_id]=1;
else
$result_array[$url_id][$user_id]=0;
}
}
}
}
return $result_array;
}
/**
* Add a user into a url
* @author Julio Montoya
* @param user_id
* @param url_id
* @return boolean true if success
* */
function add_user_to_url($user_id,$url_id=1)
{
$access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$count = UrlManager::relation_url_user_exist($user_id,$url_id);
if (empty($count)) {
$sql = "INSERT INTO $access_url_rel_user_table
SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id);
$result = api_sql_query($sql, __FILE__, __LINE__);
}
return $result;
}
function check_status($url)
{
$access_url_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id FROM $access_url_table WHERE url = '".$url."'";
$result = api_sql_query($sql);
$access_url_id = Database::result($result, 0, 0);
return $access_url_id;
}
}
?>
