File Source for add_courses_to

<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
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, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* @package dokeos.admin
==============================================================================
*/
// name of the language file that needs to be included
$language_file='admin';
// resetting the course id
$cidReset=true;
// including some necessary dokeos files
require('../inc/global.inc.php');
require_once ('../inc/lib/xajax/xajax.inc.php');
$xajax = new xajax();
//$xajax->debugOn();
$xajax -> registerFunction ('search_courses');
// setting the section (for the tabs)
$this_section = SECTION_PLATFORM_ADMIN;
// Access restrictions
api_protect_admin_script(true);
// setting breadcrumbs
$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array('url' => 'session_list.php','name' => get_lang('SessionList'));
// Database Table Definitions
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
// setting the name of the tool
$tool_name= get_lang('SubscribeCoursesToSession');
$id_session=intval($_GET['id_session']);
if(!api_is_platform_admin())
{
$sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_session;
$rs = api_sql_query($sql,__FILE__,__LINE__);
if(mysql_result($rs,0,0)!=$_user['user_id'])
{
api_not_allowed(true);
}
}
function search_courses($needle)
{
global $tbl_course, $tbl_session_rel_course, $id_session;
$xajax_response = new XajaxResponse();
$return = '';
if(!empty($needle))
{
// search users where username or firstname or lastname begins likes $needle
$sql = 'SELECT course.code, course.visual_code, course.title, session_rel_course.id_session
FROM '.$tbl_course.' course
LEFT JOIN '.$tbl_session_rel_course.' session_rel_course
ON course.code = session_rel_course.course_code
AND session_rel_course.id_session = '.intval($id_session).'
WHERE course.visual_code LIKE "'.$needle.'%"
OR course.title LIKE "'.$needle.'%"';
$rs = api_sql_query($sql, __FILE__, __LINE__);
while($course = Database :: fetch_array($rs))
{
$return .= '<a href="#" onclick="add_course_to_session(\''.$course['code'].'\',\''.$course['title'].' ('.$course['visual_code'].')'.'\')">'.$course['title'].' ('.$course['visual_code'].')</a><br />';
}
}
$xajax_response -> addAssign('ajax_list_courses','innerHTML',utf8_encode($return));
return $xajax_response;
}
$xajax -> processRequests();
$htmlHeadXtra[] = $xajax->getJavascript('../inc/lib/xajax/');
$htmlHeadXtra[] = '
<script type="text/javascript">
function add_course_to_session (code, content) {
document.getElementById("course_to_add").value = "";
document.getElementById("ajax_list_courses").innerHTML = "";
destination = document.getElementById("destination");
destination.options[destination.length] = new Option(content,code);
destination.selectedIndex = -1;
sortOptions(destination.options);
}
function remove_item(origin)
{
for(var i = 0 ; i<origin.options.length ; i++) {
if(origin.options[i].selected) {
origin.options[i]=null;
i = i-1;
}
}
}
</script>';
$formSent=0;
$errorMsg=$firstLetterCourse=$firstLetterSession='';
$CourseList=$SessionList=array();
$courses=$sessions=array();
$noPHP_SELF=true;
if($_POST['formSent'])
{
$formSent=$_POST['formSent'];
$firstLetterCourse=$_POST['firstLetterCourse'];
$firstLetterSession=$_POST['firstLetterSession'];
$CourseList=$_POST['SessionCoursesList'];
if(!is_array($CourseList))
{
$CourseList=array();
}
$nbr_courses=0;
$id_coach = api_sql_query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
$id_coach = mysql_fetch_array($id_coach);
$id_coach = $id_coach[0];
$rs = api_sql_query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
$existingCourses = api_store_result($rs);
$sql="SELECT id_user
FROM $tbl_session_rel_user
WHERE id_session = $id_session";
$result=api_sql_query($sql,__FILE__,__LINE__);
$UserList=api_store_result($result);
foreach($CourseList as $enreg_course)
{
$exists = false;
foreach($existingCourses as $existingCourse)
{
if($enreg_course == $existingCourse['course_code'])
{
$exists=true;
}
}
if(!$exists)
{
api_sql_query("INSERT INTO $tbl_session_rel_course(id_session,course_code, id_coach) VALUES('$id_session','$enreg_course','$id_coach')",__FILE__,__LINE__);
$nbr_users=0;
foreach($UserList as $enreg_user)
{
$enreg_user = $enreg_user['id_user'];
api_sql_query("INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user) VALUES('$id_session','$enreg_course','$enreg_user')",__FILE__,__LINE__);
if(mysql_affected_rows())
{
$nbr_users++;
}
}
api_sql_query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'",__FILE__,__LINE__);
}
}
foreach($existingCourses as $existingCourse) {
if(!in_array($existingCourse['course_code'], $CourseList)){
api_sql_query("DELETE FROM $tbl_session_rel_course WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
api_sql_query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
}
}
$nbr_courses=count($CourseList);
api_sql_query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'",__FILE__,__LINE__);
if(isset($_GET['add']))
header('Location: add_users_to_session.php?id_session='.$id_session.'&add=true');
else
header('Location: resume_session.php?id_session='.$id_session);
//header('Location: '.$_GET['page'].'?id_session='.$id_session);
}
Display::display_header($tool_name);
api_display_tool_title($tool_name);
$sql = 'SELECT COUNT(1) FROM '.$tbl_course;
$rs = api_sql_query($sql, __FILE__, __LINE__);
$count_courses = mysql_result($rs, 0, 0);
$ajax_search = $count_courses > 50 ? true : false;
$nosessionCourses = $sessionCourses = array();
if($ajax_search)
{
$sql="SELECT code, title, visual_code, id_session
FROM $tbl_course course
INNER JOIN $tbl_session_rel_course session_rel_course
ON course.code = session_rel_course.course_code
AND session_rel_course.id_session = ".intval($id_session)."
ORDER BY ".(sizeof($courses)?"(code IN(".implode(',',$courses).")) DESC,":"")." title";
$result=api_sql_query($sql,__FILE__,__LINE__);
$Courses=api_store_result($result);
foreach($Courses as $course)
{
$sessionCourses[$course['code']] = $course ;
}
}
else
{
$sql="SELECT code, title, visual_code, id_session
FROM $tbl_course course
LEFT JOIN $tbl_session_rel_course session_rel_course
ON course.code = session_rel_course.course_code
AND session_rel_course.id_session = ".intval($id_session)."
ORDER BY ".(sizeof($courses)?"(code IN(".implode(',',$courses).")) DESC,":"")." title";
$result=api_sql_query($sql,__FILE__,__LINE__);
$Courses=api_store_result($result);
foreach($Courses as $course)
{
if($course['id_session'] == $id_session)
{
$sessionCourses[$course['code']] = $course ;
}
else
{
$nosessionCourses[$course['code']] = $course ;
}
}
}
unset($Courses);
?>
<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?page=<?php echo $_GET['page'] ?>&id_session=<?php echo $id_session; ?><?php if(!empty($_GET['add'])) echo '&add=true' ; ?>" style="margin:0px;">
<input type="hidden" name="formSent" value="1" />
<?php
if(!empty($errorMsg))
{
Display::display_normal_message($errorMsg); //main API
}
?>
<table border="0" cellpadding="5" cellspacing="0" width="100%" align="center">
<tr>
<td width="45%" align="center"><b><?php echo get_lang('CourseListInPlatform') ?> :</b></td>
<td width="10%"> </td>
<td align="center" width="45%"><b><?php echo get_lang('CourseListInSession') ?> :</b></td>
</tr>
<tr>
<td width="45%" align="center">
<?php
if($ajax_search){
?>
<input type="text" id="course_to_add" onkeyup="xajax_search_courses(this.value)" />
<div id="ajax_list_courses"></div>
<?php
}
else
{
?> <select id="origin" name="NoSessionCoursesList[]" multiple="multiple" size="20" style="width:300px;"> <?php
foreach($nosessionCourses as $enreg)
{
?>
<option value="<?php echo $enreg['code']; ?>" <?php if(in_array($enreg['code'],$CourseList)) echo 'selected="selected"'; ?>><?php echo $enreg['title'].' ('.$enreg['visual_code'].')'; ?></option>
<?php
}
?> </select> <?php
}
unset($nosessionCourses);
?>
</select></td>
<td width="10%" valign="middle" align="center">
<?php
if($ajax_search)
{
?>
<input type="button" onclick="remove_item(document.getElementById('destination'))" value="<<" />
<?php
}
else
{
?>
<input type="button" onclick="moveItem(document.getElementById('origin'), document.getElementById('destination'))" value=">>" />
<br /><br />
<input type="button" onclick="moveItem(document.getElementById('destination'), document.getElementById('origin'))" value="<<" />
<?php
}
?>
<br /><br /><br /><br /><br /><br />
<?php
if(isset($_GET['add']))
{
echo '<input type="button" value="'.get_lang('NextStep').'" onclick="valide()" />';
}
else
{
echo '<input type="button" value="'.get_lang('Ok').'" onclick="valide()" />';
}
?>
</td>
<td width="45%" align="center"><select id='destination' name="SessionCoursesList[]" multiple="multiple" size="20" style="width:300px;">
<?php
foreach($sessionCourses as $enreg)
{
?>
<option value="<?php echo $enreg['code']; ?>"><?php echo $enreg['title'].' ('.$enreg['visual_code'].')'; ?></option>
<?php
}
unset($sessionCourses);
?>
</select></td>
</tr>
</table>
</form>
<script type="text/javascript">
<!--
function moveItem(origin , destination){
for(var i = 0 ; i<origin.options.length ; i++) {
if(origin.options[i].selected) {
destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
origin.options[i]=null;
i = i-1;
}
}
destination.selectedIndex = -1;
sortOptions(destination.options);
}
function sortOptions(options) {
newOptions = new Array();
for (i = 0 ; i<options.length ; i++)
newOptions[i] = options[i];
newOptions = newOptions.sort(mysort);
options.length = 0;
for(i = 0 ; i < newOptions.length ; i++)
options[i] = newOptions[i];
}
function mysort(a, b){
if(a.text.toLowerCase() > b.text.toLowerCase()){
return 1;
}
if(a.text.toLowerCase() < b.text.toLowerCase()){
return -1;
}
return 0;
}
function valide(){
var options = document.getElementById('destination').options;
for (i = 0 ; i<options.length ; i++)
options[i].selected = true;
document.forms.formulaire.submit();
}
-->
</script>
<?php
/*
==============================================================================
FOOTER
==============================================================================
*/
Display::display_footer();
?>

Source for file add_courses_to_session.php