chamilo-lms/main/create_course/add_course.php

<?php
/* For licensing terms, see /license.txt */

/**
 * This script allows professors and administrative staff to create course sites.
 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
 * @author Roan Embrechts, refactoring
 * @package chamilo.create_course
 */

// Name of the language file that needs to be included.
$language_file = 'create_course';

// Flag forcing the "current course" reset.
$cidReset = true;

// Including the global initialization file.
require_once '../inc/global.inc.php';

// Section for the tabs.
$this_section = SECTION_COURSES;

// Include configuration file.
require_once api_get_path(CONFIGURATION_PATH).'add_course.conf.php';

// Require additional libraries.
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).'fileManage.lib.php';
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
require_once api_get_path(CONFIGURATION_PATH).'course_info.conf.php';

$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
$htmlHeadXtra[] = '<script type="text/javascript">
function setFocus(){
$("#title").focus();
}
$(window).load(function () {
  setFocus();
});
</script>';

$interbreadcrumb[] = array('url' => api_get_path(WEB_PATH).'user_portal.php', 'name' => get_lang('MyCourses'));

// Displaying the header.
$tool_name = get_lang('CreateSite');

if (api_get_setting('allow_users_to_create_courses') == 'false' && !api_is_platform_admin()) {
    api_not_allowed(true);
}
Display :: display_header($tool_name);

// Check access rights.
if (!api_is_allowed_to_create_course()) {
    Display :: display_error_message(get_lang('NotAllowed'));
    Display::display_footer();
    exit;
}
// Get all course categories.
$table_course_category = Database :: get_main_table(TABLE_MAIN_CATEGORY);
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);

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.
$categories = array();
$form = new FormValidator('add_course');

// Form title
$form->addElement('header', '', $tool_name);

// Title
$form->addElement('text', 'title', get_lang('CourseName'), array('size' => '60', 'id' => 'title'));
$form->applyFilter('title', 'html_filter');

$form->addElement('static', null, null, get_lang('Ex'));
$categories_select = $form->addElement('select', 'category_code', get_lang('Fac'), $categories);
$form->applyFilter('category_code', 'html_filter');

CourseManager::select_and_sort_categories($categories_select);
$form->addElement('static', null, null, get_lang('TargetFac'));

$form->add_textfield('wanted_code', get_lang('Code'), false, array('size' => '$maxlength', 'maxlength' => $maxlength));
$form->applyFilter('wanted_code', 'html_filter');
$form->addRule('wanted_code', get_lang('Max'), 'maxlength', $maxlength);

$titular= &$form->add_textfield('tutor_name', get_lang('Professors'), null, array('size' => '60', 'disabled' => 'disabled'));
$form->addElement('static', null, null, get_lang('ExplicationTrainers'));
//$form->applyFilter('tutor_name', 'html_filter');

$form->addElement('select_language', 'course_language', get_lang('Ln'));
$form->applyFilter('select_language', 'html_filter');

$form->addElement('style_submit_button', null, get_lang('CreateCourseArea'), 'class="add"');
$form->add_progress_bar();

// Set default values.
if (isset($_user['language']) && $_user['language'] != '') {
    $values['course_language'] = $_user['language'];
} else {
    $values['course_language'] = api_get_setting('platformLanguage');
}
$values['tutor_name'] = api_get_person_name($_user['firstName'], $_user['lastName'], null, null, $values['course_language']);
$form->setDefaults($values);

// Validate the form.
if ($form->validate()) {
    $course_values = $form->exportValues();
    $wanted_code = $course_values['wanted_code'];
    $tutor_name = $course_values['tutor_name'];
    $category_code = $course_values['category_code'];
    $title = $course_values['title'];
    $course_language = $course_values['course_language'];

    if (trim($wanted_code) == '') {
        $wanted_code = generate_course_code(api_substr($title, 0, $maxlength));
    }

    $keys = define_course_keys($wanted_code, '', $_configuration['db_prefix']);

    $sql_check = sprintf('SELECT * FROM '.$table_course.' WHERE visual_code = "%s"', Database :: escape_string($wanted_code));
    $result_check = Database::query($sql_check);
    if (Database::num_rows($result_check) < 1) {
        if (sizeof($keys)) {
            $visual_code = $keys['currentCourseCode'];
            $code = $keys['currentCourseId'];
            $db_name = $keys['currentCourseDbName'];
            $directory = $keys['currentCourseRepository'];
            $expiration_date = time() + $firstExpirationDelay;
            prepare_course_repository($directory, $code);
            update_Db_course($db_name);
            $pictures_array = fill_course_repository($directory);
            fill_Db_course($db_name, $directory, $course_language,$pictures_array);
            register_course($code, $visual_code, $directory, $db_name, $tutor_name, $category_code, $title, $course_language, api_get_user_id(), $expiration_date);
        }
        $link = api_get_path(WEB_COURSE_PATH).$directory.'/';
        $message = get_lang('JustCreated');
        $message .= ' <a href="'.$link.'">'.$title."</a>";
        //$message .= "<br /><br /><br />";
        //$message .= '<a class="bottom-link" href="'.api_get_path(WEB_PATH).'user_portal.php">'.get_lang('Enter').'</a>';
        Display :: display_confirmation_message($message, false);
        echo '<div style="float:right; margin:0px; padding:0px;">' .
                '<a class="bottom-link" href="'.api_get_path(WEB_PATH).'user_portal.php">'.get_lang('Enter').'</a>' .
             '</div>';
    } else {
        Display :: display_error_message(get_lang('CourseCodeAlreadyExists'),false);
        // Display the form.
        $form->display();
        //echo '<p>'.get_lang('CourseCodeAlreadyExistExplained').'</p>';
    }

} else {
    // Display the form.
    $form->display();
    Display::display_normal_message(get_lang('Explanation'));
}

// Footer
Display :: display_footer();