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612 lines
19 KiB
612 lines
19 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This library provides functions for the access_url management.
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* Include/require it in your code to use its functionality.
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*
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* @package chamilo.library
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*/
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class UrlManager
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{
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/**
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* Creates a new url access to Dokeos
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*
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* @author Julio Montoya <gugli100@gmail.com>,
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*
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* @param string The URL of the site
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* @param string The description of the site
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* @param int is active or not
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* @param int the user_id of the owner
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* @return boolean if success
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*/
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public static function add($url, $description, $active)
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{
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$tms = time();
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql = "INSERT INTO $table_access_url
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SET url = '".Database::escape_string($url)."',
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description = '".Database::escape_string($description)."',
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active = '".Database::escape_string($active)."',
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created_by = '".Database::escape_string(api_get_user_id())."',
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tms = FROM_UNIXTIME(".$tms.")";
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$result = Database::query($sql);
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return $result;
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}
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/**
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* Updates an URL access to Dokeos
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* @author Julio Montoya <gugli100@gmail.com>,
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*
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* @param int The url id
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* @param string The description of the site
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* @param int is active or not
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* @param int the user_id of the owner
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* @return boolean if success
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*/
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public static function udpate($url_id, $url, $description, $active)
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{
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$url_id = intval($url_id);
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$tms = time();
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$sql = "UPDATE $table_access_url
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SET url = '".Database::escape_string($url)."',
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description = '".Database::escape_string($description)."',
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active = '".Database::escape_string($active)."',
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created_by = '".Database::escape_string(api_get_user_id())."',
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tms = FROM_UNIXTIME(".$tms.")
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WHERE id = '$url_id'";
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$result = Database::query($sql);
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return $result;
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}
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/**
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* Deletes an url
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* @author Julio Montoya
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* @param int url id
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* @return boolean true if success
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* */
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public static function delete($id)
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{
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$id = intval($id);
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql= "DELETE FROM $table_access_url WHERE id = ".Database::escape_string($id);
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$result = Database::query($sql);
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return $result;
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}
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/**
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*
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* */
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public static function url_exist($url)
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{
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql = "SELECT id FROM $table_access_url WHERE url = '".Database::escape_string($url)."' ";
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$res = Database::query($sql);
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$num = Database::num_rows($res);
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return $num;
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}
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/**
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*
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* */
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public static function url_id_exist($url)
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{
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql = "SELECT id FROM $table_access_url WHERE id = '".Database::escape_string($url)."' ";
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$res = Database::query($sql);
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$num = Database::num_rows($res);
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return $num;
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}
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/**
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* This function get the quantity of URLs
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* @author Julio Montoya
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* @return int count of urls
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* */
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public static function url_count()
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{
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql = "SELECT count(id) as count_result FROM $table_access_url";
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$res = Database::query($sql);
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$url = Database::fetch_array($res,'ASSOC');
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$result = $url['count_result'];
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return $result;
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}
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/**
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* Gets the id, url, description, and active status of ALL URLs
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* @author Julio Montoya
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* @return array
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* */
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public static function get_url_data()
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{
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql = "SELECT id, url, description, active FROM $table_access_url";
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$res = Database::query($sql);
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$urls = array ();
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while ($url = Database::fetch_array($res)) {
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$urls[] = $url;
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}
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return $urls;
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}
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/**
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* Gets the id, url, description, and active status of ALL URLs
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* @author Julio Montoya
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* @return array
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* */
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public static function get_url_data_from_id($url_id)
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{
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$table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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$sql = "SELECT id, url, description, active FROM $table_access_url WHERE id = ".Database::escape_string($url_id);
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$res = Database::query($sql);
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$row = Database::fetch_array($res);
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return $row;
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}
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/** Gets the inner join of users and urls table
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* @author Julio Montoya
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* @return int access url id
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* @return array Database::store_result of the result
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* */
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public static function get_url_rel_user_data($access_url_id='')
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{
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$where = '';
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$table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
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$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
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if (!empty($access_url_id)) {
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$where ="WHERE $table_url_rel_user.access_url_id = ".Database::escape_string($access_url_id);
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}
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$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
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$sql="SELECT u.user_id, lastname, firstname, username, access_url_id
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FROM $tbl_user u
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INNER JOIN $table_url_rel_user
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ON $table_url_rel_user.user_id = u.user_id
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$where".$order_clause;
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$result=Database::query($sql);
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$users=Database::store_result($result);
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return $users;
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}
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/** Gets the inner join of access_url and the course table
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* @author Julio Montoya
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* @return int access url id
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* @return array Database::store_result of the result
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* */
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public static function get_url_rel_course_data($access_url_id='')
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{
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$where ='';
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$table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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$tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
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if (!empty($access_url_id))
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$where ="WHERE $table_url_rel_course.access_url_id = ".Database::escape_string($access_url_id);
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$sql="SELECT course_code, title, access_url_id
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FROM $tbl_course u
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INNER JOIN $table_url_rel_course
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ON $table_url_rel_course.course_code = code
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$where
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ORDER BY title, code";
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$result=Database::query($sql);
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$courses=Database::store_result($result);
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return $courses;
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}
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/** Gets the inner join of access_url and the session table
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* @author Julio Montoya
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* @return int access url id
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* @return array Database::store_result of the result
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* */
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public static function get_url_rel_session_data($access_url_id='')
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{
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$where ='';
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$table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
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$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
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if (!empty($access_url_id))
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$where ="WHERE $table_url_rel_session.access_url_id = ".Database::escape_string($access_url_id);
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$sql="SELECT id, name, access_url_id
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FROM $tbl_session u
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INNER JOIN $table_url_rel_session
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ON $table_url_rel_session.session_id = id
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$where
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ORDER BY name, id";
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$result=Database::query($sql);
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$sessions=Database::store_result($result);
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return $sessions;
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}
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/**
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* Sets the status of an URL 1 or 0
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* @author Julio Montoya
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* @param string lock || unlock
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* @param int url id
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* */
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public static function set_url_status($status, $url_id)
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{
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$url_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
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if ($status=='lock') {
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$status_db='0';
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}
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if ($status=='unlock') {
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$status_db='1';
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}
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if(($status_db=='1' OR $status_db=='0') AND is_numeric($url_id)) {
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$sql="UPDATE $url_table SET active='".Database::escape_string($status_db)."' WHERE id='".Database::escape_string($url_id)."'";
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$result = Database::query($sql);
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}
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}
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/**
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* Checks the relationship between an URL and a User (return the num_rows)
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* @author Julio Montoya
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* @param int user id
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* @param int url id
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* @return boolean true if success
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* */
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public static function relation_url_user_exist($user_id, $url_id)
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{
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$table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
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$sql= "SELECT user_id FROM $table_url_rel_user WHERE access_url_id = ".Database::escape_string($url_id)." AND user_id = ".Database::escape_string($user_id)." ";
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$result = Database::query($sql);
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$num = Database::num_rows($result);
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return $num;
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}
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/**
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* Checks the relationship between an URL and a Course (return the num_rows)
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* @author Julio Montoya
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* @param int user id
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* @param int url id
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* @return boolean true if success
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* */
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public static function relation_url_course_exist($course_id, $url_id)
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{
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$table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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$sql= "SELECT course_code FROM $table_url_rel_course WHERE access_url_id = ".Database::escape_string($url_id)." AND course_code = '".Database::escape_string($course_id)."'";
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$result = Database::query($sql);
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$num = Database::num_rows($result);
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return $num;
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}
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/**
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* Checks the relationship between an URL and a Session (return the num_rows)
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* @author Julio Montoya
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* @param int user id
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* @param int url id
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* @return boolean true if success
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* */
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public static function relation_url_session_exist($session_id, $url_id)
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{
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$table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
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$sql= "SELECT session_id FROM $table_url_rel_session WHERE access_url_id = ".Database::escape_string($url_id)." AND session_id = ".Database::escape_string($session_id);
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$result = Database::query($sql);
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$num = Database::num_rows($result);
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return $num;
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}
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/**
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* Add a group of users into a group of URLs
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* @author Julio Montoya
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* @param array of user_ids
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* @param array of url_ids
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* */
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public static function add_users_to_urls($user_list, $url_list)
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{
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$table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
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$result_array=array();
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if (is_array($user_list) && is_array($url_list)){
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foreach ($url_list as $url_id) {
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foreach ($user_list as $user_id) {
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$count = UrlManager::relation_url_user_exist($user_id,$url_id);
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if ($count==0) {
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$sql = "INSERT INTO $table_url_rel_user
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SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id);
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$result = Database::query($sql);
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if($result)
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$result_array[$url_id][$user_id]=1;
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else
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$result_array[$url_id][$user_id]=0;
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}
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}
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}
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}
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return $result_array;
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}
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/**
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* Add a group of courses into a group of URLs
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* @author Julio Montoya
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* @param array of course ids
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* @param array of url_ids
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* */
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public static function add_courses_to_urls($course_list,$url_list)
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{
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$table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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$result_array=array();
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if (is_array($course_list) && is_array($url_list)){
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foreach ($url_list as $url_id) {
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foreach ($course_list as $course_code) {
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$count = UrlManager::relation_url_course_exist($course_code,$url_id);
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if ($count==0) {
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$sql = "INSERT INTO $table_url_rel_course
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SET course_code = '".Database::escape_string($course_code)."', access_url_id = ".Database::escape_string($url_id);
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$result = Database::query($sql);
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if($result)
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$result_array[$url_id][$course_code]=1;
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else
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$result_array[$url_id][$course_code]=0;
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}
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}
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}
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}
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return $result_array;
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}
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/**
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* Add a group of sessions into a group of URLs
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* @author Julio Montoya
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* @param array of session ids
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* @param array of url_ids
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* */
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public static function add_sessions_to_urls($session_list,$url_list)
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{
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$table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
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$result_array=array();
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if (is_array($session_list) && is_array($url_list)){
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foreach ($url_list as $url_id) {
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foreach ($session_list as $session_id) {
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$count = UrlManager::relation_url_session_exist($session_id,$url_id);
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if ($count==0) {
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$sql = "INSERT INTO $table_url_rel_session
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SET session_id = ".Database::escape_string($session_id).", access_url_id = ".Database::escape_string($url_id);
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$result = Database::query($sql);
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if($result)
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$result_array[$url_id][$session_id]=1;
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else
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$result_array[$url_id][$session_id]=0;
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}
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}
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}
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}
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return $result_array;
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}
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/**
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* Add a user into a url
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* @author Julio Montoya
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* @param user_id
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* @param url_id
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* @return boolean true if success
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* */
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public static function add_user_to_url($user_id, $url_id=1)
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{
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$table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
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if (empty($url_id)) $url_id=1;
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$count = UrlManager::relation_url_user_exist($user_id,$url_id);
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if (empty($count)) {
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$sql = "INSERT INTO $table_url_rel_user
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SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id);
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$result = Database::query($sql);
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}
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return $result;
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}
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public static function add_course_to_url($course_code, $url_id=1)
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{
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$table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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if (empty($url_id)) $url_id=1;
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$count = UrlManager::relation_url_course_exist($course_code,$url_id);
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if (empty($count)) {
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$sql = "INSERT INTO $table_url_rel_course
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SET course_code = '".Database::escape_string($course_code)."', access_url_id = ".Database::escape_string($url_id);
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$result = Database::query($sql);
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}
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return $result;
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}
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public static function add_session_to_url($session_id, $url_id=1)
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{
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$table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
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if (empty($url_id)) $url_id=1;
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$count = UrlManager::relation_url_session_exist($session_id,$url_id);
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if (empty($count)) {
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$sql = "INSERT INTO $table_url_rel_session
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SET session_id = ".Database::escape_string($session_id).", access_url_id = ".Database::escape_string($url_id);
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$result = Database::query($sql);
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}
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return $result;
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}
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/**
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* Deletes an url and user relationship
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* @author Julio Montoya
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* @param int user id
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* @param int url id
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* @return boolean true if success
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* */
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public static function delete_url_rel_user($user_id, $url_id)
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{
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$table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
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$sql= "DELETE FROM $table_url_rel_user WHERE user_id = ".Database::escape_string($user_id)." AND access_url_id=".Database::escape_string($url_id)." ";
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$result = Database::query($sql);
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return $result;
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}
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/**
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* Deletes an url and course relationship
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* @author Julio Montoya
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* @param char course code
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* @param int url id
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* @return boolean true if success
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* */
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public static function delete_url_rel_course($course_code, $url_id)
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{
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$table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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$sql= "DELETE FROM $table_url_rel_course WHERE course_code = '".Database::escape_string($course_code)."' AND access_url_id=".Database::escape_string($url_id)." ";
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$result = Database::query($sql);
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return $result;
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}
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/**
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* Deletes an url and session relationship
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* @author Julio Montoya
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* @param char course code
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* @param int url id
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* @return boolean true if success
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* */
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public static function delete_url_rel_session($session_id, $url_id)
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{
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$table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
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$sql= "DELETE FROM $table_url_rel_session WHERE session_id = ".Database::escape_string($session_id)." AND access_url_id=".Database::escape_string($url_id)." ";
|
|
$result = Database::query($sql);
|
|
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_access_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
|
|
$table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
|
|
|
|
$sql = "SELECT user_id FROM $table_url_rel_user WHERE access_url_id=".Database::escape_string($access_url_id);
|
|
$result = Database::query($sql);
|
|
$existingUsers = array();
|
|
|
|
while($row = Database::fetch_array($result)){
|
|
$existingUsers[] = $row['user_id'];
|
|
}
|
|
|
|
//adding users
|
|
foreach($user_list as $enreg_user) {
|
|
if(!in_array($enreg_user, $existingUsers)) {
|
|
UrlManager::add_user_to_url($enreg_user,$access_url_id);
|
|
}
|
|
}
|
|
//deleting old users
|
|
foreach($existingUsers as $existing_user) {
|
|
if(!in_array($existing_user, $user_list)) {
|
|
UrlManager::delete_url_rel_user($existing_user,$access_url_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Updates the access_url_rel_course table with a given user list
|
|
* @author Julio Montoya
|
|
* @param array user list
|
|
* @param int access_url_id
|
|
* */
|
|
public static function update_urls_rel_course($course_list,$access_url_id)
|
|
{
|
|
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
|
|
$table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
|
|
|
|
$sql = "SELECT course_code FROM $table_url_rel_course WHERE access_url_id=".Database::escape_string($access_url_id);
|
|
$result = Database::query($sql);
|
|
$existing_courses = array();
|
|
|
|
while($row = Database::fetch_array($result)){
|
|
$existing_courses[] = $row['course_code'];
|
|
}
|
|
|
|
//adding courses
|
|
foreach($course_list as $course) {
|
|
if(!in_array($course, $existing_courses)) {
|
|
UrlManager::add_course_to_url($course,$access_url_id);
|
|
}
|
|
}
|
|
|
|
//deleting old courses
|
|
foreach($existing_courses as $existing_course) {
|
|
if(!in_array($existing_course, $course_list)) {
|
|
UrlManager::delete_url_rel_course($existing_course,$access_url_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates the access_url_rel_session table with a given user list
|
|
* @author Julio Montoya
|
|
* @param array user list
|
|
* @param int access_url_id
|
|
* */
|
|
public static function update_urls_rel_session($session_list,$access_url_id)
|
|
{
|
|
$table_session = Database :: get_main_table(TABLE_MAIN_SESSION);
|
|
$table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
|
|
|
|
$sql = "SELECT session_id FROM $table_url_rel_session WHERE access_url_id=".Database::escape_string($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, $existing_sessions)) {
|
|
UrlManager::add_session_to_url($session,$access_url_id);
|
|
}
|
|
}
|
|
|
|
//deleting old users
|
|
foreach($existing_sessions as $existing_session) {
|
|
if(!in_array($existing_session, $session_list)) {
|
|
UrlManager::delete_url_rel_session($existing_session,$access_url_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
public static function get_access_url_from_user($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 $table_url u
|
|
ON (url_rel_user.access_url_id = u.id)
|
|
WHERE user_id = ".Database::escape_string($user_id);
|
|
$result = Database::query($sql);
|
|
$url_list = Database::store_result($result);
|
|
return $url_list;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* */
|
|
public static function get_url_id($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;
|
|
}
|
|
}
|
|
?>
|