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

455 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();
$htmlHeadXtra[] = '<script src="' . api_get_path(WEB_LIBRARY_PATH) . 'javascript/tag/jquery.fcbkcomplete.js" type="text/javascript" language="javascript"></script>';
$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
$course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$courseId = isset($_GET['id']) ? $_GET['id'] : null;
if (empty($courseId)) {
api_not_allowed(true);
}
$courseInfo = api_get_course_info_by_id($courseId);
if (empty($courseInfo)) {
api_not_allowed(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);
$course_code = $courseInfo['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;
}
// 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;
}
$courseInfo['tutor_name'] = null;
$res = Database::query($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, $obj->lastname);
}
if (isset($course_teachers[$obj->user_id]) &&
$courseInfo['tutor_name'] == $course_teachers[$obj->user_id]
) {
$courseInfo['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);
$courseInfo['tutor_name'] = array_search($tutor_name, $platform_teachers);
}
// Build the form
$form = new FormValidator('update_course', 'post', api_get_self().'?id='.$courseId);
$form->addElement('header', get_lang('Course') . ' #' . $courseInfo['real_id'] . ' ' . $course_code);
$form->addElement('hidden', 'code', $course_code);
//title
$form->addText('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->addText('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');
$form->addElement('advmultiselect', 'course_teachers', get_lang('CourseTeachers'), $allTeachers);
$courseInfo['course_teachers'] = $course_teachers;
if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
$form->addElement('checkbox', 'add_teachers_to_sessions_courses', null, get_lang('TeachersWillBeAddedAsCoachInAllCourseSessions'));
}
$coursesInSession = SessionManager::get_session_by_course($courseInfo['code']);
if (!empty($coursesInSession)) {
foreach ($coursesInSession as $session) {
$sessionId = $session['id'];
$coaches = SessionManager::getCoachesByCourseSession($sessionId, $courseInfo['code']);
$teachers = $allTeachers;
$sessionTeachers = array();
foreach ($coaches as $coachId) {
$userInfo = api_get_user_info($coachId);
$sessionTeachers[] = $coachId;
if (isset($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';
$sessionUrl = api_get_path(WEB_CODE_PATH) . 'admin/resume_session.php?id_session=' . $sessionId;
$form->addElement(
'advmultiselect',
$groupName,
Display::url(
$session['name'], $sessionUrl, array('target' => '_blank')
) . ' - ' . get_lang('Coaches'),
$allTeachers
);
$courseInfo[$groupName] = $sessionTeachers;
}
}
// 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->addText('department_name', get_lang('CourseDepartment'), false, array('size' => '60'));
$form->applyFilter('department_name', 'html_filter');
$form->applyFilter('department_name', 'trim');
$form->addText('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);
$specialCourseField = new CourseField();
$specialCourseFieldInfo = $specialCourseField->get_handler_field_info_by_field_variable('special_course');
if (!empty($specialCourseFieldInfo)) {
$specialCourseValue = new ExtraFieldValue('course');
$specialCourseValueInfo = $specialCourseValue->get_values_by_handler_and_field_variable($course_code, 'special_course');
$specialCourseAttributes = array();
if (!empty($specialCourseValueInfo) && $specialCourseValueInfo['field_value'] == 1) {
$specialCourseAttributes['checked'] = '';
}
$form->addElement('hidden', '_extra_special_course', 0);
$form->addElement('checkbox', 'extra_special_course', array(
null, get_lang('AllUsersAreAutomaticallyRegistered')
), get_lang('SpecialCourse'), $specialCourseAttributes);
}
//Extra fields
$extra_field = new CourseField();
$extra = $extra_field->addElements($form, $course_code);
$htmlHeadXtra[] = '
<script>
$(function() {
' . $extra['jquery_ready_content'] . '
});
</script>';
$form->addButton('submit', get_lang('ModifyCourseInfo'), 'pencil', 'primary');
// Set some default values
$courseInfo['disk_quota'] = round(DocumentManager::get_course_quota($courseInfo['code']) / 1024 / 1024, 1);
$courseInfo['real_code'] = $courseInfo['code'];
$courseInfo['add_teachers_to_sessions_courses'] = isset($courseInfo['add_teachers_to_sessions_courses']) ? $courseInfo['add_teachers_to_sessions_courses'] : 0;
$form->setDefaults($courseInfo);
// Validate form
if ($form->validate()) {
$course = $form->getSubmitValues();
$visibility = $course['visibility'];
global $_configuration;
$urlId = api_get_current_access_url_id();
if (isset($_configuration[$urlId]) &&
isset($_configuration[$urlId]['hosting_limit_active_courses']) &&
$_configuration[$urlId]['hosting_limit_active_courses'] > 0
) {
// Check if
if ($courseInfo['visibility'] == COURSE_VISIBILITY_HIDDEN &&
$visibility != $courseInfo['visibility']
) {
$num = CourseManager::countActiveCourses($urlId);
if ($num >= $_configuration[$urlId]['hosting_limit_active_courses']) {
api_warn_hosting_contact('hosting_limit_active_courses');
api_set_failure(get_lang('PortalActiveCoursesLimitReached'));
header('Location: course_list.php?action=show_msg&warn=' . urlencode(get_lang('PortalActiveCoursesLimitReached')));
exit;
}
}
}
$visual_code = $course['visual_code'];
$visual_code = CourseManager::generate_course_code($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);
}
$tutor_id = isset($course['tutor_name']) ? $course['tutor_name'] : null;
$tutor_name = isset($platform_teachers[$tutor_id]) ? $platform_teachers[$tutor_id] : null;
$teachers = $course['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'];
$subscribe = $course['subscribe'];
$unsubscribe = $course['unsubscribe'];
$course['course_code'] = $course_code;
if (!stristr($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 id = $courseId ";
Database::query($sql);
// update the extra fields
$courseFieldValue = new ExtraFieldValue('course');
$courseFieldValue->save_field_values($course);
$addTeacherToSessionCourses = isset($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'], $coachesToSubscribe, true);
}
}
CourseManager::updateTeachers($courseId, $teachers, false, true, false);
} else {
// Normal behaviour
CourseManager::updateTeachers($courseId, $teachers, true, false);
// Updating session coaches
$sessionCoaches = $course['session_coaches'];
if (!empty($sessionCoaches)) {
foreach ($sessionCoaches as $sessionId => $coachesToSubscribe) {
//$coachesToSubscribe = isset($teacherInfo['coaches_by_session']) ? $teacherInfo['coaches_by_session'] : null;
if (!empty($coachesToSubscribe)) {
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', $courseInfo)) {
$sql = "UPDATE $course_table SET add_teachers_to_sessions_courses = '$addTeacherToSessionCourses'
WHERE id = " . $courseInfo['real_id'];
Database::query($sql);
}
$course_id = $courseInfo['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')), $courseInfo['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();