Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/admin/subscribe_user2course.php

375 lines
12 KiB

<?php
// $Id: subscribe_user2course.php 19597 2009-04-07 14:38:36Z pcool $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2009 Dokeos SPRL
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 address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This script allows platform admins to add users to courses.
* It displays a list of users and a list of courses;
* you can select multiple users and courses and then click on
* 'Add to this(these) course(s)'.
*
* @package dokeos.admin
* @todo use formvalidator for the form
==============================================================================
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
$language_file = 'admin';
$cidReset = true;
require ('../inc/global.inc.php');
$this_section=SECTION_PLATFORM_ADMIN;
// including additional libraries
require_once(api_get_path(LIBRARY_PATH).'course.lib.php');
require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
include_once (api_get_path(LIBRARY_PATH).'usermanager.lib.php');
$this_section = SECTION_PLATFORM_ADMIN;
api_protect_admin_script();
/*
-----------------------------------------------------------
Global constants and variables
-----------------------------------------------------------
*/
$users = $_GET['users'];
$form_sent = 0;
$first_letter_user = '';
$first_letter_course = '';
$courses = array ();
$users = array();
$tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
/*
-----------------------------------------------------------
Header
-----------------------------------------------------------
*/
$tool_name = get_lang('AddUsersToACourse');
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$htmlHeadXtra[] = '
<script type="text/javascript">
function validate_filter() {
document.formulaire.form_sent.value=0;
document.formulaire.submit();
}
</script>';
// displaying the header
Display :: display_header($tool_name);
// displaying the tool title
// api_display_tool_title($tool_name);
$form = new FormValidator('subscribe_user2course');
$form->addElement('header', '', $tool_name);
$form->display();
/*
==============================================================================
MAIN CODE
==============================================================================
*/
//checking for extra field with filter on
$extra_field_list= UserManager::get_extra_fields();
$new_field_list = array();
if (is_array($extra_field_list)) {
foreach ($extra_field_list as $extra_field) {
//if is enabled to filter and is a "<select>" field type
if ($extra_field[8]==1 && $extra_field[2]==4 ) {
$new_field_list[] = array('name'=> $extra_field[3], 'variable'=>$extra_field[1], 'data'=> $extra_field[9]);
}
}
}
/*
-----------------------------------------------------------
React on POSTed request
-----------------------------------------------------------
*/
if ($_POST['form_sent']) {
$form_sent = $_POST['form_sent'];
$users = is_array($_POST['UserList']) ? $_POST['UserList'] : array() ;
$courses = is_array($_POST['CourseList']) ? $_POST['CourseList'] : array() ;
$first_letter_user = $_POST['firstLetterUser'];
$first_letter_course = $_POST['firstLetterCourse'];
foreach ($users as $key => $value) {
$users[$key] = intval($value);
}
if ($form_sent == 1) {
if ( count($users) == 0 || count($courses) == 0) {
Display :: display_error_message(get_lang('AtLeastOneUserAndOneCourse'));
} else {
foreach ($courses as $course_code) {
foreach ($users as $user_id) {
CourseManager::subscribe_user($user_id,$course_code);
}
}
Display :: display_confirmation_message(get_lang('UsersAreSubscibedToCourse'));
}
}
}
/*
-----------------------------------------------------------
Display GUI
-----------------------------------------------------------
*/
if(empty($first_letter_user)) {
$sql = "SELECT count(*) as nb_users FROM $tbl_user";
$result = Database::query($sql);
$num_row = Database::fetch_array($result);
if($num_row['nb_users']>1000)
{//if there are too much users to gracefully handle with the HTML select list,
// assign a default filter on users names
$first_letter_user = 'A';
}
unset($result);
}
//Filter by Extra Fields
$use_extra_fields = false;
if (is_array($extra_field_list)) {
if (is_array($new_field_list) && count($new_field_list)>0 ) {
$result_list=array();
foreach ($new_field_list as $new_field) {
$varname = 'field_'.$new_field['variable'];
if (Usermanager::is_extra_field_available($new_field['variable'])) {
if (isset($_POST[$varname]) && $_POST[$varname]!='0') {
$use_extra_fields = true;
$extra_field_result[]= Usermanager::get_extra_user_data_by_value($new_field['variable'], $_POST[$varname]);
}
}
}
}
}
if ($use_extra_fields) {
$final_result = array();
if (count($extra_field_result)>1) {
for($i=0;$i<count($extra_field_result)-1;$i++) {
if (is_array($extra_field_result[$i+1])) {
$final_result = array_intersect($extra_field_result[$i],$extra_field_result[$i+1]);
}
}
} else {
$final_result = $extra_field_result[0];
}
$where_filter ='';
if ($_configuration['multiple_access_urls']==true) {
if (is_array($final_result) && count($final_result)>0) {
$where_filter = " AND u.user_id IN ('".implode("','",$final_result)."') ";
} else {
//no results
$where_filter = " AND u.user_id = -1";
}
} else {
if (is_array($final_result) && count($final_result)>0) {
$where_filter = " AND user_id IN ('".implode("','",$final_result)."') ";
} else {
//no results
$where_filter = " AND user_id = -1";
}
}
}
$target_name = api_sort_by_first_name() ? 'firstname' : 'lastname';
$sql = "SELECT user_id,lastname,firstname,username
FROM $tbl_user
WHERE user_id<>2 AND ".$target_name." LIKE '".$first_letter_user."%' $where_filter
ORDER BY ". (count($users) > 0 ? "(user_id IN(".implode(',', $users).")) DESC," : "")." ".$target_name;
global $_configuration;
if ($_configuration['multiple_access_urls']==true) {
$tbl_user_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = "SELECT u.user_id,lastname,firstname,username FROM ".$tbl_user ." u
INNER JOIN $tbl_user_rel_access_url user_rel_url
ON (user_rel_url.user_id = u.user_id)
WHERE u.user_id<>2 AND access_url_id = $access_url_id AND (".$target_name." LIKE '".$first_letter_user."%' ) $where_filter
ORDER BY ". (count($users) > 0 ? "(u.user_id IN(".implode(',', $users).")) DESC," : "")." ".$target_name;
}
}
$result = Database::query($sql);
$db_users = Database::store_result($result);
unset($result);
$sql = "SELECT code,visual_code,title FROM $tbl_course WHERE visual_code LIKE '".$first_letter_course."%' ORDER BY ". (count($courses) > 0 ? "(code IN('".implode("','", $courses)."')) DESC," : "")." visual_code";
if ($_configuration['multiple_access_urls']==true) {
$tbl_course_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = "SELECT code, visual_code, title
FROM $tbl_course as course
INNER JOIN $tbl_course_rel_access_url course_rel_url
ON (course_rel_url.course_code= course.code)
WHERE access_url_id = $access_url_id AND (visual_code LIKE '".$first_letter_course."%' ) ORDER BY ". (count($courses) > 0 ? "(code IN('".implode("','", $courses)."')) DESC," : "")." visual_code";
}
}
$result = Database::query($sql);
$db_courses = Database::store_result($result);
unset($result);
if ($_configuration['multiple_access_urls']==true) {
$tbl_course_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sqlNbCours = " SELECT course_rel_user.course_code, course.title
FROM $tbl_course_user as course_rel_user
INNER JOIN $tbl_course as course
ON course.code = course_rel_user.course_code
INNER JOIN $tbl_course_rel_access_url course_rel_url
ON (course_rel_url.course_code= course.code)
WHERE access_url_id = $access_url_id AND course_rel_user.user_id='".$_user['user_id']."' AND course_rel_user.status='1'
ORDER BY course.title";
}
}
?>
<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>" style="margin:0px;">
<?php
if (is_array($extra_field_list)) {
if (is_array($new_field_list) && count($new_field_list)>0 ) {
echo '<h3>'.get_lang('FilterUsers').'</h3>';
foreach ($new_field_list as $new_field) {
echo $new_field['name'];
$varname = 'field_'.$new_field['variable'];
echo '&nbsp;<select name="'.$varname.'">';
echo '<option value="0">--'.get_lang('Select').'--</option>';
foreach ($new_field['data'] as $option) {
$checked='';
if (isset($_POST[$varname])) {
if ($_POST[$varname]==$option[1]) {
$checked = 'selected="true"';
}
}
echo '<option value="'.$option[1].'" '.$checked.'>'.$option[1].'</option>';
}
echo '</select>';
echo '&nbsp;&nbsp;';
}
echo '<input type="button" value="'.get_lang('Filter').'" onclick="validate_filter()" />';
echo '<br /><br />';
}
}
?>
<input type="hidden" name="form_sent" value="1"/>
<table border="0" cellpadding="5" cellspacing="0" width="100%">
<tr>
<td width="40%" align="center">
<b><?php echo get_lang('UserList'); ?></b>
<br/><br/>
<?php echo get_lang('FirstLetterUser'); ?> :
<select name="firstLetterUser" onchange="javascript:document.formulaire.form_sent.value='2'; document.formulaire.submit();">
<option value="">--</option>
<?php
echo Display :: get_alphabet_options($first_letter_user);
?>
</select>
</td>
<td width="20%">&nbsp;</td>
<td width="40%" align="center">
<b><?php echo get_lang('CourseList'); ?> :</b>
<br/><br/>
<?php echo get_lang('FirstLetterCourse'); ?> :
<select name="firstLetterCourse" onchange="javascript:document.formulaire.form_sent.value='2'; document.formulaire.submit();">
<option value="">--</option>
<?php
echo Display :: get_alphabet_options($first_letter_course);
?>
</select>
</td>
</tr>
<tr>
<td width="40%" align="center">
<select name="UserList[]" multiple="multiple" size="20" style="width:230px;">
<?php
foreach ($db_users as $user) {
?>
<option value="<?php echo $user['user_id']; ?>" <?php if(in_array($user['user_id'],$users)) echo 'selected="selected"'; ?>><?php echo api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')'; ?></option>
<?php
}
?>
</select>
</td>
<td width="20%" valign="middle" align="center">
<button type="submit" class="add" value="<?php echo get_lang('AddToThatCourse'); ?> &gt;&gt;"><?php echo get_lang('AddToThatCourse'); ?></button>
</td>
<td width="40%" align="center">
<select name="CourseList[]" multiple="multiple" size="20" style="width:230px;">
<?php
foreach ($db_courses as $course) {
?>
<option value="<?php echo $course['code']; ?>" <?php if(in_array($course['code'],$courses)) echo 'selected="selected"'; ?>><?php echo '('.$course['visual_code'].') '.$course['title']; ?></option>
<?php
}
?>
</select>
</td>
</tr>
</table>
</form>
<?php
/*
==============================================================================
FOOTER
==============================================================================
*/
Display :: display_footer();
?>