File Source for course

<?php
// $Id: course_add.php 14291 2008-02-14 08:17:23Z elixir_inter $
/*
==============================================================================
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
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, 181 rue Royale, B-1000 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;
}
// 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',20);
$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,0,20));
}
$keys = define_course_keys($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();
?>

Source for file course_add.php