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

449 lines
18 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* @package chamilo.admin
*/
// name of the language file that needs to be included
$language_file = 'admin';
$cidReset = true;
require_once '../inc/global.inc.php';
$this_section = SECTION_PLATFORM_ADMIN;
api_protect_admin_script();
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
require_once api_get_path(LIBRARY_PATH).'course_category.lib.php';
$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
$course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$course_code = isset($_GET['course_code']) ? $_GET['course_code'] : $_POST['code'];
$noPHP_SELF = true;
$tool_name = get_lang('ModifyCourseInfo');
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array ("url" => "course_list.php", "name" => get_lang('CourseList'));
// Get all course categories
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
//Get the course infos
$sql = "SELECT * FROM $course_table WHERE code='".Database::escape_string($course_code)."'";
$result = Database::query($sql);
if (Database::num_rows($result) != 1) {
header('Location: course_list.php');
exit();
}
$course = Database::fetch_array($result, 'ASSOC');
$course_info = api_get_course_info($course_code);
// Get course teachers
$table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
$sql = "SELECT user.user_id,lastname,firstname FROM $table_user as user,$table_course_user as course_user WHERE course_user.status='1' AND course_user.user_id=user.user_id AND course_user.course_code='".$course_code."'".$order_clause;
$res = Database::query($sql);
$course_teachers = array();
while ($obj = Database::fetch_object($res)) {
$course_teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
}
// Get all possible teachers without the course teachers
if (api_is_multiple_url_enabled()) {
$access_url_rel_user_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT u.user_id,lastname,firstname
FROM $table_user as u
INNER JOIN $access_url_rel_user_table url_rel_user
ON (u.user_id=url_rel_user.user_id)
WHERE url_rel_user.access_url_id=".api_get_current_access_url_id()." AND status=1".$order_clause;
} else {
$sql = "SELECT user_id, lastname, firstname
FROM $table_user WHERE status='1'".$order_clause;
}
$res = Database::query($sql);
$teachers = array();
$allTeachers = array();
$platform_teachers[0] = '-- '.get_lang('NoManager').' --';
while ($obj = Database::fetch_object($res)) {
$allTeachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
if (!array_key_exists($obj->user_id, $course_teachers)) {
$teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
}
if ($course['tutor_name'] == $course_teachers[$obj->user_id]) {
$course['tutor_name'] = $obj->user_id;
}
// We add in the array platform teachers
$platform_teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
}
// Case where there is no teacher in the course
if (count($course_teachers) == 0) {
$sql='SELECT tutor_name FROM '.$course_table.' WHERE code="'.$course_code.'"';
$res = Database::query($sql);
$tutor_name = Database::result($res, 0, 0);
$course['tutor_name'] = array_search($tutor_name, $platform_teachers);
}
// Build the form
$form = new FormValidator('update_course');
$form->addElement('header', get_lang('Course').' #'.$course_info['real_id'].' '.$course_code);
$form->addElement('hidden', 'code', $course_code);
//title
$form->add_textfield('title', get_lang('Title'), true, array ('class' => 'span6'));
$form->applyFilter('title', 'html_filter');
$form->applyFilter('title', 'trim');
// Code
$element = $form->addElement('text', 'real_code', array(get_lang('CourseCode'), get_lang('ThisValueCantBeChanged')));
$element->freeze();
// Visual code
$form->add_textfield('visual_code', array(get_lang('VisualCode'), get_lang('OnlyLettersAndNumbers'), get_lang('ThisValueIsUsedInTheCourseURL')), true, array('class' => 'span4'));
$form->applyFilter('visual_code', 'strtoupper');
$form->applyFilter('visual_code', 'html_filter');
$group = array(
$form->createElement('select', 'platform_teachers', '', $teachers, ' id="platform_teachers" multiple=multiple size="4" style="width:300px;"'),
$form->createElement('select', 'course_teachers', '', $course_teachers, ' id="course_teachers" multiple=multiple size="4" style="width:300px;"')
);
$element_template = <<<EOT
<div class="control-group">
<label>
<!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->{label}
</label>
<div class="controls">
<table cellpadding="0" cellspacing="0">
<tr>
<!-- BEGIN error --><span class="form_error">{error}</span><br /><!-- END error --> <td>{element}</td>
</tr>
</table>
</div>
</div>
EOT;
$renderer = $form->defaultRenderer();
$renderer->setElementTemplate($element_template, 'group');
$form->addGroup($group, 'group', get_lang('CourseTeachers'), '</td><td width="80" align="center">'.
'<input class="arrowr" style="width:30px;height:30px;padding-right:12px" type="button" onclick="moveItem(document.getElementById(\'platform_teachers\'), document.getElementById(\'course_teachers\'))"><br><br>'.
'<input class="arrowl" style="width:30px;height:30px;padding-left:13px" type="button" onclick="moveItem(document.getElementById(\'course_teachers\'), document.getElementById(\'platform_teachers\'))"></td><td>'
);
if (array_key_exists('add_teachers_to_sessions_courses', $course)) {
$form->addElement('checkbox', 'add_teachers_to_sessions_courses', null, get_lang('TeachersWillBeAddedAsCoachInAllCourseSessions'));
}
$coursesInSession = SessionManager::get_session_by_course($course['code']);
if (!empty($coursesInSession)) {
foreach ($coursesInSession as $session) {
$sessionId = $session['id'];
$coaches = SessionManager::getCoachesByCourseSession($sessionId, $course['code']);
$teachers = $allTeachers;
$sessionTeachers = array();
foreach ($coaches as $coachId) {
$userInfo = api_get_user_info($coachId);
$sessionTeachers[$coachId] = $userInfo['complete_name'];
if (isset($teachers[$coachId])) {
unset($teachers[$coachId]);
}
}
$groupName = 'session_coaches['.$sessionId.']';
$platformTeacherId = 'platform_teachers_by_session_'.$sessionId;
$coachId = 'coaches_by_session_'.$sessionId;
$platformTeacherName = 'platform_teachers_by_session';
$coachName = 'coaches_by_session';
$group = array(
$form->createElement('select', $platformTeacherName, '', $teachers, ' id="'.$platformTeacherId.'" multiple=multiple size="4" style="width:300px;"'),
$form->createElement('select', $coachName, '', $sessionTeachers, ' id="'.$coachId.'" multiple=multiple size="4" style="width:300px;"')
);
$renderer = $form->defaultRenderer();
$renderer->setElementTemplate($element_template, $groupName);
$sessionUrl = api_get_path(WEB_CODE_PATH).'admin/resume_session.php?id_session='.$sessionId;
$form->addGroup($group, $groupName, Display::url($session['name'], $sessionUrl, array('target' => '_blank')).' - '.get_lang('Coaches'), '</td>
<td width="80" align="center">
<input class="arrowr" style="width:30px;height:30px;padding-right:12px" type="button" onclick="moveItem(document.getElementById(\''.$platformTeacherId.'\'), document.getElementById(\''.$coachId.'\'));">
<br><br>
<input class="arrowl" style="width:30px;height:30px;padding-left:13px" type="button" onclick="moveItem(document.getElementById(\''.$coachId.'\'), document.getElementById(\''.$platformTeacherId.'\'));">
</td><td>'
);
}
}
// Category code
$url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=search_category';
$categoryList = array();
if (!empty($course['category_code'])) {
$data = getCategory($course['category_code']);
$categoryList[] = array('id' => $data['code'], 'text' => $data['name']);
}
$form->addElement('select_ajax', 'category_code', get_lang('CourseFaculty'), null, array('url' => $url, 'defaults' => $categoryList));
$form->add_textfield('department_name', get_lang('CourseDepartment'), false, array('size' => '60'));
$form->applyFilter('department_name', 'html_filter');
$form->applyFilter('department_name', 'trim');
$form->add_textfield('department_url', get_lang('CourseDepartmentURL'), false, array('size' => '60'));
$form->applyFilter('department_url', 'html_filter');
$form->applyFilter('department_url', 'trim');
$form->addElement('select_language', 'course_language', get_lang('CourseLanguage'));
$form->applyFilter('select_language', 'html_filter');
$group = array();
$group[]= $form->createElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('CourseVisibilityHidden'), COURSE_VISIBILITY_HIDDEN);
$form->addGroup($group, '', get_lang('CourseAccess'), '<br />');
$group = array();
$group[]= $form->createElement('radio', 'subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
$group[]= $form->createElement('radio', 'subscribe', null, get_lang('Denied'), 0);
$form->addGroup($group, '', get_lang('Subscription'), '<br />');
$group = array();
$group[]= $form->createElement('radio', 'unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
$group[]= $form->createElement('radio', 'unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
$form->addGroup($group, '', get_lang('Unsubscription'), '<br />');
$form->addElement('text', 'disk_quota', array(get_lang('CourseQuota'), null, get_lang('MB')));
$form->addRule('disk_quota', get_lang('ThisFieldIsRequired'), 'required');
$form->addRule('disk_quota', get_lang('ThisFieldShouldBeNumeric'), 'numeric');
$list_course_extra_field = CourseManager::get_course_extra_field_list($course_code);
//@todo this is wrong
foreach ($list_course_extra_field as $extra_field) {
switch ($extra_field['field_type']) {
case CourseManager::COURSE_FIELD_TYPE_CHECKBOX:
$checked = (array_key_exists('extra_field_value', $extra_field) && $extra_field['extra_field_value'] == 1)? array('checked'=>'checked'): '';
$form->addElement('hidden', '_extra_'.$extra_field['field_variable'], 0);
$field_display_text = $extra_field['field_display_text'];
$form->addElement('checkbox', 'extra_'.$extra_field['field_variable'], array(null, get_lang('AllUsersAreAutomaticallyRegistered')), get_lang('SpecialCourse'), $checked);
break;
}
}
$form->addElement('style_submit_button', 'button', get_lang('ModifyCourseInfo'), 'onclick="valide()"; class="save"');
// Set some default values
$course['disk_quota'] = round(DocumentManager::get_course_quota($course_code) /1024/1024, 1);
$course['title'] = api_html_entity_decode($course['title'], ENT_QUOTES, $charset);
$course['real_code'] = $course['code'];
$course['add_teachers_to_sessions_courses'] = isset($course['add_teachers_to_sessions_courses']) ? $course['add_teachers_to_sessions_courses'] : 0;
$form->setDefaults($course);
// Validate form
if ($form->validate()) {
$course = $form->getSubmitValues();
$dbName = $_POST['dbName'];
$course_code = $course['code'];
$visual_code = $course['visual_code'];
$visual_code = generate_course_code($visual_code);
// Check if the visual code is already used by *another* course
$visual_code_is_used = false;
$warn = get_lang('TheFollowingCoursesAlreadyUseThisVisualCode').':';
if (!empty($visual_code)) {
$list = CourseManager::get_courses_info_from_visual_code($visual_code);
foreach ($list as $course_temp) {
if ($course_temp['code'] != $course_code) {
$visual_code_is_used = true;
$warn .= ' '.$course_temp['title'].' ('.$course_temp['code'].'),';
}
}
$warn = substr($warn, 0, -1);
}
// an extra field
$extras = array();
foreach ($course as $key => $value) {
if (substr($key, 0, 6) == 'extra_') {
$extras[substr($key, 6)] = $value;
}
if (substr($key, 0, 7) == '_extra_') {
if (!array_key_exists(substr($key, 7), $extras)) {
$extras[substr($key, 7)] = $value;
}
}
}
$tutor_id = $course['tutor_name'];
$tutor_name = $platform_teachers[$tutor_id];
$teachers = $course['group']['course_teachers'];
$title = $course['title'];
$category_code = $course['category_code'];
$department_name = $course['department_name'];
$department_url = $course['department_url'];
$course_language = $course['course_language'];
$course['disk_quota'] = $course['disk_quota']*1024*1024;
$disk_quota = $course['disk_quota'];
$visibility = $course['visibility'];
$subscribe = $course['subscribe'];
$unsubscribe = $course['unsubscribe'];
if (!stristr($department_url, 'http://')) {
$department_url = 'http://'.$department_url;
}
$sql = "UPDATE $course_table SET course_language='".Database::escape_string($course_language)."',
title='".Database::escape_string($title)."',
category_code='".Database::escape_string($category_code)."',
tutor_name='".Database::escape_string($tutor_name)."',
visual_code='".Database::escape_string($visual_code)."',
department_name='".Database::escape_string($department_name)."',
department_url='".Database::escape_string($department_url)."',
disk_quota='".Database::escape_string($disk_quota)."',
visibility = '".Database::escape_string($visibility)."',
subscribe = '".Database::escape_string($subscribe)."',
unsubscribe='".Database::escape_string($unsubscribe)."'
WHERE code='".Database::escape_string($course_code)."'";
Database::query($sql);
// update the extra fields
if (count($extras) > 0) {
foreach ($extras as $key => $value) {
CourseManager::update_course_extra_field_value($course_code, $key, $value);
}
}
$addTeacherToSessionCourses = isset($course['add_teachers_to_sessions_courses']) && !empty($course['add_teachers_to_sessions_courses']) ? 1 : 0;
// Updating teachers
if ($addTeacherToSessionCourses) {
// Updating session coaches
$sessionCoaches = $course['session_coaches'];
if (!empty($sessionCoaches)) {
foreach ($sessionCoaches as $sessionId => $teacherInfo) {
$coachesToSubscribe = $teacherInfo['coaches_by_session'];
SessionManager::updateCoaches($sessionId, $course['code'], $coachesToSubscribe, true);
}
}
CourseManager::updateTeachers($course_code, $teachers, false, true, false);
} else {
// Normal behaviour
CourseManager::updateTeachers($course_code, $teachers, true, false);
// Updating session coaches
$sessionCoaches = $course['session_coaches'];
if (!empty($sessionCoaches)) {
foreach ($sessionCoaches as $sessionId => $teacherInfo) {
$coachesToSubscribe = $teacherInfo['coaches_by_session'];
SessionManager::updateCoaches($sessionId, $course['code'], $coachesToSubscribe, true);
}
}
}
$sql = "INSERT IGNORE INTO ".$course_user_table . " SET
course_code = '".Database::escape_string($course_code). "',
user_id = '".$tutor_id . "',
status = '1',
role = '',
tutor_id='0',
sort='0',
user_course_cat='0'";
Database::query($sql);
if (array_key_exists('add_teachers_to_sessions_courses', $course_info)) {
$sql = "UPDATE $course_table SET add_teachers_to_sessions_courses = '$addTeacherToSessionCourses'
WHERE id = ".$course_info['real_id'];
Database::query($sql);
}
$course_id = $course_info['real_id'];
$forum_config_table = Database::get_course_table(TOOL_FORUM_CONFIG_TABLE);
$sql = "UPDATE ".$forum_config_table." SET default_lang='".Database::escape_string($course_language)."' WHERE c_id = $course_id ";
if ($visual_code_is_used) {
header('Location: course_list.php?action=show_msg&warn='.urlencode($warn));
} else {
header('Location: course_list.php');
}
exit;
}
Display::display_header($tool_name);
echo '<div class="actions">';
echo Display::url(Display::return_icon('back.png', get_lang('Back')), api_get_path(WEB_CODE_PATH).'admin/course_list.php');
echo Display::url(Display::return_icon('course_home.png', get_lang('CourseHome')), $course_info['course_public_url'], array('target' => '_blank'));
echo '</div>';
echo "<script>
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() {
// Checking all multiple
$('select').filter(function() {
if ($(this).attr('multiple')) {
$(this).find('option').each(function() {
$(this).attr('selected', true);
});
}
});
//document.update_course.submit();
}
</script>";
// Display the form
$form->display();
Display :: display_footer();