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

172 lines
7.6 KiB

<?php
// $Id: course_add.php 15801 2008-07-17 04:23:35Z yannoo $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
Copyright (c) Bart Mollet, Hogeschool Gent
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, rue du Corbeau, 108, B-1030 Brussels
Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* @package dokeos.admin
==============================================================================
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
$language_file = array('admin','create_course');
$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(CONFIGURATION_PATH).'add_course.conf.php');
require_once (api_get_path(LIBRARY_PATH).'add_course.lib.inc.php');
require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
$table_course = Database::get_main_table(TABLE_MAIN_COURSE);
$tool_name = get_lang('AddCourse');
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
/*
==============================================================================
MAIN CODE
==============================================================================
*/
// Get all possible teachers
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$sql = "SELECT user_id,lastname,firstname FROM $table_user WHERE status=1 ORDER BY lastname,firstname";
$res = api_sql_query($sql,__FILE__,__LINE__);
$teachers = array();
$teachers[0] = '-- '.get_lang('NoManager').' --';
while($obj = mysql_fetch_object($res))
{
$teachers[$obj->user_id] = $obj->lastname.' '.$obj->firstname;
}
global $_configuration;
$dbnamelength = strlen($_configuration['db_prefix']);
//Ensure the database prefix + database name do not get over 40 characters
$maxlength = 40 - $dbnamelength;
// Build the form
$form = new FormValidator('update_course');
$form->add_textfield( 'visual_code', get_lang('CourseCode'),false,array('size'=>'20','maxlength'=>20));
$form->applyFilter('visual_code','strtoupper');
$form->addRule('wanted_code',get_lang('Max'),'maxlength',$maxlength);
$form->addElement('select', 'tutor_id', get_lang('CourseTitular'), $teachers);
$form->addElement('select', 'course_teachers', get_lang('CourseTeachers'), $teachers, 'multiple=multiple size=5');
$form->add_textfield('title', get_lang('Title'),true, array ('size' => '60'));
$categories_select = $form->addElement('select', 'category_code', get_lang('CourseFaculty'), $categories);
CourseManager::select_and_sort_categories($categories_select);
$form->add_textfield('department_name', get_lang('CourseDepartment'),false, array ('size' => '60'));
$form->add_textfield('department_url', get_lang('CourseDepartmentURL'),false, array ('size' => '60'));
$form->addElement('select_language', 'course_language', get_lang('CourseLanguage'));
$form->addElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
$form->addElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
$form->addElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
$form->addElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
$form->addElement('radio', 'subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
$form->addElement('radio', 'subscribe', null, get_lang('Denied'), 0);
$form->addElement('radio', 'unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
$form->addElement('radio', 'unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
$form->add_textfield('disk_quota',get_lang('CourseQuota'));
$form->addRule('disk_quota',get_lang('ThisFieldShouldBeNumeric'),'numeric');
$form->add_progress_bar();
$form->addElement('submit', null, get_lang('Ok'));
// Set some default values
$values['course_language'] = get_setting('platformLanguage');
$values['disk_quota'] = get_setting('default_document_quotum');
$values['visibility'] = COURSE_VISIBILITY_OPEN_PLATFORM;
$values['subscribe'] = 1;
$values['unsubscribe'] = 0;
reset($teachers);
$values['course_teachers'] = key($teachers);
$form->setDefaults($values);
// Validate form
if( $form->validate())
{
$course = $form->exportValues();
$code = $course['visual_code'];
$tutor_name = $teachers[$course['tutor_id']];
$teacher_id = $course['tutor_id'];
$course_teachers = $course['course_teachers'];
$test=false;
//The course tutor has been selected in the teachers list so we must remove him to avoid double records in the database
foreach($course_teachers as $key=>$value){
if($value==$teacher_id){
unset($course_teachers[$key]);
break;
}
}
$title = $course['title'];
$category = $course['category_code'];
$department_name = $course['department_name'];
$department_url = $course['department_url'];
$course_language = $course['course_language'];
$disk_quota = $course['disk_quota'];
if (!stristr($department_url, 'http://'))
{
$department_url = 'http://'.$department_url;
}
if(trim($code) == ''){
$code = generate_course_code(substr($title,0,$maxlength));
}
$keys = define_course_keys($code, "", $_configuration['db_prefix']);
if (sizeof($keys))
{
$currentCourseCode = $keys["currentCourseCode"];
$currentCourseId = $keys["currentCourseId"];
$currentCourseDbName = $keys["currentCourseDbName"];
$currentCourseRepository = $keys["currentCourseRepository"];
$expiration_date = time() + $firstExpirationDelay;
prepare_course_repository($currentCourseRepository, $currentCourseId);
update_Db_course($currentCourseDbName);
$pictures_array=fill_course_repository($currentCourseRepository);
fill_Db_course($currentCourseDbName, $currentCourseRepository, $course_language,$pictures_array);
register_course($currentCourseId, $currentCourseCode, $currentCourseRepository, $currentCourseDbName, $tutor_name, $category, $title, $course_language, $teacher_id, $expiration_date,$course_teachers);
$sql = "UPDATE $table_course SET disk_quota = '".$disk_quota."', visibility = '".mysql_real_escape_string($course['visibility'])."', subscribe = '".mysql_real_escape_string($course['subscribe'])."', unsubscribe='".mysql_real_escape_string($course['unsubscribe'])."' WHERE code = '".$currentCourseId."'";
api_sql_query($sql,__FILE__,__LINE__);
header('Location: course_list.php');
exit ();
}
}
Display::display_header($tool_name);
// Display the form
$form->display();
/*
==============================================================================
FOOTER
==============================================================================
*/
Display :: display_footer();
?>