Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/urlmanager.lib.php

1191 lines
39 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Class UrlManager
* This library provides functions for the access_url management.
* Include/require it in your code to use its functionality.
*
* @package chamilo.library
*/
class UrlManager
{
/**
* Creates a new url access
*
* @author Julio Montoya <gugli100@gmail.com>,
*
* @param string $url The URL of the site
* @param string $description The description of the site
* @param int $active is active or not
* @return boolean if success
*/
public static function add($url, $description, $active)
{
$tms = time();
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "INSERT INTO $table
SET url = '".Database::escape_string($url)."',
description = '".Database::escape_string($description)."',
active = '".intval($active)."',
created_by = '".api_get_user_id()."',
tms = FROM_UNIXTIME(".$tms.")";
$result = Database::query($sql);
return $result;
}
/**
* Updates an URL access
* @author Julio Montoya <gugli100@gmail.com>,
*
* @param int $url_id The url id
* @param string $url
* @param string $description The description of the site
* @param int $active is active or not
* @return boolean if success
*/
public static function update($url_id, $url, $description, $active)
{
$url_id = intval($url_id);
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "UPDATE $table
SET url = '".Database::escape_string($url)."',
description = '".Database::escape_string($description)."',
active = '".intval($active)."',
created_by = '".api_get_user_id()."',
tms = '".api_get_utc_datetime()."'
WHERE id = '$url_id'";
$result = Database::query($sql);
return $result;
}
/**
* Deletes an url
* @author Julio Montoya
* @param int $id url id
*
* @return boolean true if success
* */
public static function delete($id)
{
$id = intval($id);
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$tableUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$tableCourse = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$tableSession = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$tableCourseCategory = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
$tableGroup = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$sql = "DELETE FROM $tableCourse WHERE access_url_id = ".$id;
Database::query($sql);
/*
$sql = "DELETE FROM $tableCourseCategory WHERE access_url_id = ".$id;
Database::query($sql);
*/
$sql = "DELETE FROM $tableSession WHERE access_url_id = ".$id;
Database::query($sql);
$sql = "DELETE FROM $tableGroup WHERE access_url_id = ".$id;
Database::query($sql);
$sql = "DELETE FROM $tableUser WHERE access_url_id = ".$id;
Database::query($sql);
$sql = "DELETE FROM $table WHERE id = ".$id;
Database::query($sql);
return true;
}
/**
* @param string $url
*
* @return int
*/
public static function url_exist($url)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id FROM $table
WHERE url = '".Database::escape_string($url)."' ";
$res = Database::query($sql);
$num = Database::num_rows($res);
return $num;
}
/**
* @param string $url
*
* @return int
*/
public static function url_id_exist($url)
{
if (empty($url)) {
return false;
}
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id FROM $table WHERE id = ".intval($url)."";
$res = Database::query($sql);
$num = Database::num_rows($res);
return $num;
}
/**
* This function get the quantity of URLs
* @author Julio Montoya
* @return int count of urls
* */
public static function url_count()
{
$table_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT count(id) as count_result FROM $table_access_url";
$res = Database::query($sql);
$url = Database::fetch_array($res, 'ASSOC');
$result = $url['count_result'];
return $result;
}
/**
* Gets the id, url, description, and active status of ALL URLs
* @author Julio Montoya
* @return array
* */
public static function get_url_data()
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id, url, description, active
FROM $table
ORDER BY id";
$res = Database::query($sql);
$urls = array();
while ($url = Database::fetch_array($res)) {
$urls[] = $url;
}
return $urls;
}
/**
* Gets the id, url, description, and active status of ALL URLs
* @author Julio Montoya
* @param int $url_id
* @return array
* */
public static function get_url_data_from_id($url_id)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id, url, description, active
FROM $table
WHERE id = ".intval($url_id);
$res = Database::query($sql);
$row = Database::fetch_array($res);
return $row;
}
/**
* Gets the inner join of users and urls table
* @author Julio Montoya
* @param int access url id
* @param string $order_by
* @return array Database::store_result of the result
**/
public static function get_url_rel_user_data($access_url_id = null, $order_by = null)
{
$where = '';
$table_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
if (!empty($access_url_id)) {
$where = "WHERE $table_url_rel_user.access_url_id = ".intval($access_url_id);
}
if (empty($order_by)) {
$order_clause = api_sort_by_first_name(
) ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
} else {
$order_clause = $order_by;
}
$sql = "SELECT u.user_id, lastname, firstname, username, official_code, access_url_id
FROM $tbl_user u
INNER JOIN $table_url_rel_user
ON $table_url_rel_user.user_id = u.user_id
$where $order_clause";
$result = Database::query($sql);
$users = Database::store_result($result);
return $users;
}
/**
* Gets the inner join of access_url and the course table
*
* @author Julio Montoya
* @param int access url id
* @return array Database::store_result of the result
**/
public static function get_url_rel_course_data($access_url_id = null)
{
$where = '';
$table_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
if (!empty($access_url_id)) {
$where = " WHERE uc.access_url_id = ".intval($access_url_id);
}
$sql = "SELECT u.id, c_id, title, uc.access_url_id
FROM $tbl_course u
INNER JOIN $table_url_rel_course uc
ON uc.c_id = u.id
$where
ORDER BY title, code";
$result = Database::query($sql);
$courses = Database::store_result($result);
return $courses;
}
/**
* Gets the number of rows with a specific course_code in access_url_rel_course table
* @author Yoselyn Castillo
* @param int $courseId
*
* @return int Database::num_rows($res);
**/
public static function getCountUrlRelCourse($courseId)
{
$courseId = intval($courseId);
$tableUrlRelCourse = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql = "SELECT *
FROM $tableUrlRelCourse
WHERE c_id = '$courseId'";
$res = Database::query($sql);
return Database::num_rows($res);
}
/**
* Gets the inner join of access_url and the session table
* @author Julio Montoya
* @param int $access_url_id access url id
*
* @return array Database::store_result of the result
*
**/
public static function get_url_rel_session_data($access_url_id = null)
{
$where = '';
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
if (!empty($access_url_id)) {
$where = "WHERE $table_url_rel_session.access_url_id = ".intval($access_url_id);
}
$sql = "SELECT id, name, access_url_id
FROM $tbl_session u
INNER JOIN $table_url_rel_session
ON $table_url_rel_session.session_id = id
$where
ORDER BY name, id";
$result = Database::query($sql);
$sessions = Database::store_result($result);
return $sessions;
}
/**
* Gets the inner join of access_url and the usergroup table
*
* @author Julio Montoya
* @param int $access_url_id
*
* @return array Database::store_result of the result
**/
public static function get_url_rel_usergroup_data($access_url_id = null)
{
$where = '';
$table_url_rel_usergroup = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$table_user_group = Database::get_main_table(TABLE_USERGROUP);
if (!empty($access_url_id)) {
$where = " WHERE $table_url_rel_usergroup.access_url_id = ".intval($access_url_id);
}
$sql = "SELECT u.id, u.name, access_url_id
FROM $table_user_group u
INNER JOIN $table_url_rel_usergroup
ON $table_url_rel_usergroup.usergroup_id = u.id
$where
ORDER BY name";
$result = Database::query($sql);
$courses = Database::store_result($result);
return $courses;
}
/**
* Gets the inner join of access_url and the usergroup table
*
* @author Julio Montoya
* @param int $access_url_id
* @return array Database::store_result of the result
**/
public static function getUrlRelCourseCategory($access_url_id = null)
{
$table_url_rel = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
$table = Database::get_main_table(TABLE_MAIN_CATEGORY);
$where = " WHERE 1=1 ";
if (!empty($access_url_id)) {
$where .= " AND $table_url_rel.access_url_id = ".intval($access_url_id);
}
$where .= " AND (parent_id IS NULL) ";
$sql = "SELECT u.id, name, access_url_id
FROM $table u
INNER JOIN $table_url_rel
ON $table_url_rel.course_category_id = u.id
$where
ORDER BY name";
$result = Database::query($sql);
$courses = Database::store_result($result, 'ASSOC');
return $courses;
}
/**
* Sets the status of an URL 1 or 0
* @author Julio Montoya
* @param string $status lock || unlock
* @param int url id
* */
public static function set_url_status($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' || $status_db == '0') && is_numeric($url_id)) {
$sql = "UPDATE $url_table SET active='".intval($status_db)."'
WHERE id='".intval($url_id)."'";
Database::query($sql);
}
}
/**
* Checks the relationship between an URL and a User (return the num_rows)
* @author Julio Montoya
* @param int user id
* @param int url id
* @return boolean true if success
* */
public static function relation_url_user_exist($user_id, $url_id)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT user_id FROM $table
WHERE access_url_id = ".intval($url_id)." AND user_id = ".intval($user_id)." ";
$result = Database::query($sql);
$num = Database::num_rows($result);
return $num;
}
/**
* Checks the relationship between an URL and a Course (return the num_rows)
* @author Julio Montoya
* @param int $courseId
* @param int $urlId
* @return boolean true if success
* */
public static function relation_url_course_exist($courseId, $urlId)
{
$table_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql = "SELECT c_id FROM $table_url_rel_course
WHERE
access_url_id = ".intval($urlId)." AND
c_id = '".intval($courseId)."'";
$result = Database::query($sql);
$num = Database::num_rows($result);
return $num;
}
/**
* Checks the relationship between an URL and a UserGr
* oup (return the num_rows)
* @author Julio Montoya
* @param int $userGroupId
* @param int $urlId
* @return boolean true if success
* */
public static function relationUrlUsergroupExist($userGroupId, $urlId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$sql = "SELECT usergroup_id FROM $table
WHERE
access_url_id = ".intval($urlId)." AND
usergroup_id = ".intval($userGroupId);
$result = Database::query($sql);
$num = Database::num_rows($result);
return $num;
}
/**
* Checks the relationship between an URL and a Session (return the num_rows)
* @author Julio Montoya
* @param int user id
* @param int url id
* @return boolean true if success
* */
public static function relation_url_session_exist($session_id, $url_id)
{
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$session_id = intval($session_id);
$url_id = intval($url_id);
$sql = "SELECT session_id FROM $table_url_rel_session
WHERE
access_url_id = ".intval($url_id)." AND
session_id = ".Database::escape_string($session_id);
$result = Database::query($sql);
$num = Database::num_rows($result);
return $num;
}
/**
* Add a group of users into a group of URLs
* @author Julio Montoya
* @param array of user_ids
* @param array of url_ids
* @return array
* */
public static function add_users_to_urls($user_list, $url_list)
{
$table_url_rel_user = 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) {
$count = self::relation_url_user_exist($user_id, $url_id);
if ($count == 0) {
$sql = "INSERT INTO $table_url_rel_user
SET
user_id = ".intval($user_id).",
access_url_id = ".intval($url_id);
$result = Database::query($sql);
if ($result) {
$result_array[$url_id][$user_id] = 1;
} else {
$result_array[$url_id][$user_id] = 0;
}
}
}
}
}
return $result_array;
}
/**
* Add a group of courses into a group of URLs
* @author Julio Montoya
* @param array $course_list of course ids
* @param array $url_list of url_ids
* @return array
**/
public static function add_courses_to_urls($course_list, $url_list)
{
$table_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$result_array = array();
if (is_array($course_list) && is_array($url_list)) {
foreach ($url_list as $url_id) {
foreach ($course_list as $course_code) {
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
$count = self::relation_url_course_exist($courseId, $url_id);
if ($count == 0) {
$sql = "INSERT INTO $table_url_rel_course
SET c_id = '".$courseId."', access_url_id = ".intval($url_id);
$result = Database::query($sql);
if ($result) {
$result_array[$url_id][$course_code] = 1;
} else {
$result_array[$url_id][$course_code] = 0;
}
}
}
}
}
return $result_array;
}
/**
* Add a group of user group into a group of URLs
* @author Julio Montoya
* @param array $userGroupList of course ids
* @param array $urlList of url_ids
* @return array
**/
public static function addUserGroupListToUrl($userGroupList, $urlList)
{
$resultArray = array();
if (is_array($userGroupList) && is_array($urlList)) {
foreach ($urlList as $urlId) {
foreach ($userGroupList as $userGroupId) {
$count = self::relationUrlUsergroupExist($userGroupId, $urlId);
if ($count == 0) {
$result = self::addUserGroupToUrl($userGroupId, $urlId);
if ($result) {
$resultArray[$urlId][$userGroupId] = 1;
} else {
$resultArray[$urlId][$userGroupId] = 0;
}
}
}
}
}
return $resultArray;
}
/**
* Add a group of user group into a group of URLs
* @author Julio Montoya
* @param array of course ids
* @param array of url_ids
* @return array
**/
public static function addCourseCategoryListToUrl($courseCategoryList, $urlList)
{
$resultArray = array();
if (is_array($courseCategoryList) && is_array($urlList)) {
foreach ($urlList as $urlId) {
foreach ($courseCategoryList as $categoryCourseId) {
$count = self::relationUrlCourseCategoryExist($categoryCourseId, $urlId);
if ($count == 0) {
$result = self::addCourseCategoryToUrl($categoryCourseId, $urlId);
if ($result) {
$resultArray[$urlId][$categoryCourseId] = 1;
} else {
$resultArray[$urlId][$categoryCourseId] = 0;
}
}
}
}
}
return $resultArray;
}
/**
* Checks the relationship between an URL and a UserGr
* oup (return the num_rows)
* @author Julio Montoya
* @param int $categoryCourseId
* @param int $urlId
* @return boolean true if success
* */
public static function relationUrlCourseCategoryExist($categoryCourseId, $urlId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
$sql = "SELECT course_category_id FROM $table
WHERE access_url_id = ".intval($urlId)." AND
course_category_id = ".intval($categoryCourseId);
$result = Database::query($sql);
$num = Database::num_rows($result);
return $num;
}
/**
* @param int $userGroupId
* @param int $urlId
* @return int
*/
public static function addUserGroupToUrl($userGroupId, $urlId)
{
$urlRelUserGroupTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$sql = "INSERT INTO $urlRelUserGroupTable
SET
usergroup_id = '".intval($userGroupId)."',
access_url_id = ".intval($urlId);
Database::query($sql);
return Database::insert_id();
}
/**
* @param int $categoryId
* @param int $urlId
* @return int
*/
public static function addCourseCategoryToUrl($categoryId, $urlId)
{
$exists = self::relationUrlCourseCategoryExist($categoryId, $urlId);
if (empty($exists)) {
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
$sql = "INSERT INTO $table
SET
course_category_id = '".intval($categoryId)."',
access_url_id = ".intval($urlId);
Database::query($sql);
return Database::insert_id();
}
return 0;
}
/**
* Add a group of sessions into a group of URLs
* @author Julio Montoya
* @param array $session_list of session ids
* @param array $url_list of url_ids
* @return array
* */
public static function add_sessions_to_urls($session_list, $url_list)
{
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$result_array = array();
if (is_array($session_list) && is_array($url_list)) {
foreach ($url_list as $url_id) {
foreach ($session_list as $session_id) {
$count = self::relation_url_session_exist($session_id, $url_id);
if ($count == 0) {
$sql = "INSERT INTO $table_url_rel_session
SET
session_id = ".intval($session_id).",
access_url_id = ".intval($url_id);
$result = Database::query($sql);
if ($result) {
$result_array[$url_id][$session_id] = 1;
} else {
$result_array[$url_id][$session_id] = 0;
}
}
}
}
}
return $result_array;
}
/**
* Add a user into a url
* @author Julio Montoya
* @param int $user_id
* @param int $url_id
*
* @return boolean true if success
* */
public static function add_user_to_url($user_id, $url_id = 1)
{
$table_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
if (empty($url_id)) {
$url_id = 1;
}
$count = self::relation_url_user_exist($user_id, $url_id);
$result = true;
if (empty($count)) {
$sql = "INSERT INTO $table_url_rel_user (user_id, access_url_id)
VALUES ('".intval($user_id)."', '".intval($url_id)."') ";
$result = Database::query($sql);
}
return $result;
}
/**
* @param int $courseId
* @param int $url_id
*
* @return resource
*/
public static function add_course_to_url($courseId, $url_id = 1)
{
$table_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
if (empty($url_id)) {
$url_id = 1;
}
$count = self::relation_url_course_exist($courseId, $url_id);
if (empty($count)) {
$sql = "INSERT INTO $table_url_rel_course
SET c_id = '".intval($courseId)."', access_url_id = ".intval($url_id);
Database::query($sql);
}
return true;
}
/**
* Inserts a session to a URL (access_url_rel_session table)
* @param int $session_id Session ID
* @param int URL ID
*
* @return bool True on success, false session already exists or insert failed
*/
public static function add_session_to_url($session_id, $url_id = 1)
{
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
if (empty($url_id)) {
$url_id = 1;
}
$result = false;
$count = self::relation_url_session_exist($session_id, $url_id);
$session_id = intval($session_id);
if (empty($count) && !empty($session_id)) {
$url_id = intval($url_id);
$sql = "INSERT INTO $table_url_rel_session
SET session_id = ".intval($session_id).", access_url_id = ".intval($url_id);
$result = Database::query($sql);
}
return $result;
}
/**
* Deletes an url and user relationship
* @author Julio Montoya
* @param int user id
* @param int url id
*
* @return boolean true if success
* */
public static function delete_url_rel_user($user_id, $url_id)
{
$table_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$result = true;
if (!empty($user_id) && !empty($url_id)) {
$sql = "DELETE FROM $table_url_rel_user
WHERE user_id = ".intval($user_id)." AND access_url_id = ".intval($url_id);
$result = Database::query($sql);
}
return $result;
}
/**
* Deletes user from all portals
* @author Julio Montoya
* @param int user id
*
* @return boolean true if success
* */
public static function deleteUserFromAllUrls($userId)
{
$table_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$result = true;
if (!empty($userId)) {
$sql = "DELETE FROM $table_url_rel_user
WHERE user_id = ".intval($userId);
Database::query($sql);
}
return $result;
}
/**
* Deletes an url and course relationship
* @author Julio Montoya
* @param int $courseId
* @param int $urlId
*
* @return boolean true if success
* */
public static function delete_url_rel_course($courseId, $urlId)
{
$table_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql = "DELETE FROM $table_url_rel_course
WHERE c_id = '".intval($courseId)."' AND access_url_id=".intval($urlId)." ";
$result = Database::query($sql);
return $result;
}
/**
* Deletes an url and $userGroup relationship
* @author Julio Montoya
* @param int $userGroupId
* @param int $urlId
*
* @return boolean true if success
* */
public static function delete_url_rel_usergroup($userGroupId, $urlId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$sql = "DELETE FROM $table
WHERE usergroup_id = '".intval($userGroupId)."' AND
access_url_id = ".intval($urlId);
$result = Database::query($sql);
return $result;
}
/**
* Deletes an url and $userGroup relationship
* @author Julio Montoya
* @param int $userGroupId
* @param int $urlId
*
* @return boolean true if success
* */
public static function deleteUrlRelCourseCategory($userGroupId, $urlId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
$sql = "DELETE FROM $table
WHERE course_category_id = '".intval($userGroupId)."' AND
access_url_id=".intval($urlId)." ";
$result = Database::query($sql);
return $result;
}
/**
* Deletes an url and session relationship
* @author Julio Montoya
* @param char course code
* @param int url id
*
* @return boolean true if success
* */
public static function delete_url_rel_session($session_id, $url_id)
{
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$sql = "DELETE FROM $table_url_rel_session
WHERE session_id = ".intval($session_id)." AND access_url_id=".intval($url_id)." ";
$result = Database::query($sql, 'ASSOC');
return $result;
}
/**
* Updates the access_url_rel_user table with a given user list
* @author Julio Montoya
* @param array $user_list
* @param int $access_url_id
* */
public static function update_urls_rel_user($user_list, $access_url_id)
{
$table_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT user_id
FROM $table_url_rel_user
WHERE access_url_id = ".intval($access_url_id);
$result = Database::query($sql);
$existing_users = array();
//Getting all users
while ($row = Database::fetch_array($result)) {
$existing_users[] = $row['user_id'];
}
// Adding users
$users_added = array();
foreach ($user_list as $user_id_to_add) {
if (!in_array($user_id_to_add, $existing_users)) {
$result = self::add_user_to_url($user_id_to_add, $access_url_id);
if ($result) {
$users_added[] = $user_id_to_add;
}
}
}
$users_deleted = array();
// Deleting old users
foreach ($existing_users as $user_id_to_delete) {
if (!in_array($user_id_to_delete, $user_list)) {
$result = self::delete_url_rel_user($user_id_to_delete, $access_url_id);
if ($result) {
$users_deleted[] = $user_id_to_delete;
}
}
}
if (empty($users_added) && empty($users_deleted)) {
return false;
}
return array('users_added' => $users_added, 'users_deleted' => $users_deleted);
}
/**
* Updates the access_url_rel_course table with a given user list
* @author Julio Montoya
* @param array $course_list
* @param int $access_url_id
* */
public static function update_urls_rel_course($course_list, $access_url_id)
{
$table_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql = "SELECT c_id FROM $table_url_rel_course
WHERE access_url_id = ".intval($access_url_id);
$result = Database::query($sql);
$existing_courses = array();
while ($row = Database::fetch_array($result)) {
$existing_courses[] = $row['c_id'];
}
// Adding courses
foreach ($course_list as $courseId) {
self::add_course_to_url($courseId, $access_url_id);
CourseManager::update_course_ranking($courseId, 0, $access_url_id);
}
// Deleting old courses
foreach ($existing_courses as $courseId) {
if (!in_array($courseId, $course_list)) {
self::delete_url_rel_course($courseId, $access_url_id);
CourseManager::update_course_ranking($courseId, 0, $access_url_id);
}
}
}
/**
* Updates the access_url_rel_course table with a given user list
* @author Julio Montoya
* @param array $userGroupList user list
* @param int $urlId
* */
public static function update_urls_rel_usergroup($userGroupList, $urlId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$sql = "SELECT usergroup_id FROM $table
WHERE access_url_id = ".intval($urlId);
$result = Database::query($sql);
$existingItems = array();
while ($row = Database::fetch_array($result)) {
$existingItems[] = $row['usergroup_id'];
}
// Adding
foreach ($userGroupList as $userGroupId) {
if (!in_array($userGroupId, $existingItems)) {
self::addUserGroupToUrl($userGroupId, $urlId);
}
}
// Deleting old items
foreach ($existingItems as $userGroupId) {
if (!in_array($userGroupId, $userGroupList)) {
self::delete_url_rel_usergroup($userGroupId, $urlId);
}
}
}
/**
* Updates the access_url_rel_course_category table with a given list
* @author Julio Montoya
* @param array $list course category list
* @param int $urlId access_url_id
**/
public static function updateUrlRelCourseCategory($list, $urlId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
$sql = "SELECT course_category_id FROM $table WHERE access_url_id = ".intval($urlId);
$result = Database::query($sql);
$existingItems = array();
while ($row = Database::fetch_array($result)) {
$existingItems[] = $row['course_category_id'];
}
// Adding
foreach ($list as $id) {
self::addCourseCategoryToUrl($id, $urlId);
$categoryInfo = CourseCategory::getCategoryById($id);
$children = CourseCategory::getChildren($categoryInfo['code']);
if (!empty($children)) {
foreach ($children as $category) {
self::addCourseCategoryToUrl($category['id'], $urlId);
}
}
}
// Deleting old items
foreach ($existingItems as $id) {
if (!in_array($id, $list)) {
self::deleteUrlRelCourseCategory($id, $urlId);
$categoryInfo = CourseCategory::getCategoryById($id);
$children = CourseCategory::getChildren($categoryInfo['code']);
if (!empty($children)) {
foreach ($children as $category) {
self::deleteUrlRelCourseCategory($category['id'], $urlId);
}
}
}
}
}
/**
* Updates the access_url_rel_session table with a given user list
* @author Julio Montoya
* @param array $session_list
* @param int $access_url_id
* */
public static function update_urls_rel_session($session_list, $access_url_id)
{
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$sql = "SELECT session_id FROM $table_url_rel_session
WHERE access_url_id=".intval($access_url_id);
$result = Database::query($sql);
$existing_sessions = array();
while ($row = Database::fetch_array($result)) {
$existing_sessions[] = $row['session_id'];
}
// Adding users
foreach ($session_list as $session) {
if (!in_array($session, $existing_sessions)) {
if (!empty($session) && !empty($access_url_id)) {
self::add_session_to_url($session, $access_url_id);
}
}
}
// Deleting old users
foreach ($existing_sessions as $existing_session) {
if (!in_array($existing_session, $session_list)) {
if (!empty($existing_session) && !empty($access_url_id)) {
self::delete_url_rel_session($existing_session, $access_url_id);
}
}
}
}
/**
* @param int $user_id
*
* @return array
*/
public static function get_access_url_from_user($user_id)
{
$table_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$table_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT url, access_url_id
FROM $table_url_rel_user url_rel_user
INNER JOIN $table_url u
ON (url_rel_user.access_url_id = u.id)
WHERE user_id = ".intval($user_id);
$result = Database::query($sql);
$url_list = Database::store_result($result, 'ASSOC');
return $url_list;
}
/**
* @param int $courseId
* @return array
*/
public static function get_access_url_from_course($courseId)
{
$table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$table_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT url, access_url_id FROM $table c
INNER JOIN $table_url u
ON (c.access_url_id = u.id)
WHERE c_id = ".intval($courseId);
$result = Database::query($sql);
$url_list = Database::store_result($result, 'ASSOC');
return $url_list;
}
/**
* @param $session_id
* @return array
*/
public static function get_access_url_from_session($session_id)
{
$table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$table_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT url, access_url_id FROM $table_url_rel_session url_rel_session
INNER JOIN $table_url u
ON (url_rel_session.access_url_id = u.id)
WHERE session_id = ".intval($session_id);
$result = Database::query($sql);
$url_list = Database::store_result($result);
return $url_list;
}
/**
* @param string $url
* @return bool|mixed|null
*/
public static function get_url_id($url)
{
$table_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
$sql = "SELECT id FROM $table_access_url
WHERE url = '".Database::escape_string($url)."'";
$result = Database::query($sql);
$access_url_id = Database::result($result, 0, 0);
return $access_url_id;
}
/**
*
* @param string $needle
* @return XajaxResponse
*/
public static function searchCourseCategoryAjax($needle)
{
$response = new xajaxResponse();
$return = '';
if (!empty($needle)) {
// xajax send utf8 datas... datas in db can be non-utf8 datas
$charset = api_get_system_encoding();
$needle = api_convert_encoding($needle, $charset, 'utf-8');
$needle = Database::escape_string($needle);
// search courses where username or firstname or lastname begins likes $needle
$sql = 'SELECT id, name
FROM '.Database::get_main_table(TABLE_MAIN_CATEGORY).' u
WHERE
name LIKE "'.$needle.'%" AND
(parent_id IS NULL or parent_id = 0)
ORDER BY name
LIMIT 11';
$result = Database::query($sql);
$i = 0;
while ($data = Database::fetch_array($result)) {
$i++;
if ($i <= 10) {
$return .= '<a
href="javascript: void(0);"
onclick="javascript: add_user_to_url(\''.addslashes($data['id']).'\',\''.addslashes($data['name']).' \')">'.$data['name'].' </a><br />';
} else {
$return .= '...<br />';
}
}
}
$response->addAssign('ajax_list_courses', 'innerHTML', api_utf8_encode($return));
return $response;
}
}