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314 lines
13 KiB
314 lines
13 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This script allows professors and administrative staff to create course sites.
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @author Roan Embrechts, refactoring
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* @package chamilo.create_course
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* "Course validation" feature:
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* @author Jose Manuel Abuin Mosquera <chema@cesga.es>, Centro de Supercomputacion de Galicia
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* "Course validation" feature, technical adaptation for Chamilo 1.8.8:
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* @author Ivan Tcholakov <ivantcholakov@gmail.com>
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*/
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// Name of the language file that needs to be included.
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$language_file = 'create_course';
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// Flag forcing the "current course" reset.
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$cidReset = true;
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// Including the global initialization file.
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require_once '../inc/global.inc.php';
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// Section for the tabs.
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$this_section = SECTION_COURSES;
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// Include configuration file.
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require_once api_get_path(CONFIGURATION_PATH).'add_course.conf.php';
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// "Course validation" feature. This value affects the way of a new course creation:
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// true - the new course is requested only and it is created after approval;
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// false - the new course is created immedialely, after filling this form.
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$course_validation_feature = api_get_setting('course_validation') == 'true';
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// Require additional libraries.
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require_once api_get_path(LIBRARY_PATH).'add_course.lib.inc.php';
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require_once api_get_path(LIBRARY_PATH).'course.lib.php';
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require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
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require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
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require_once api_get_path(CONFIGURATION_PATH).'course_info.conf.php';
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if ($course_validation_feature) {
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require_once api_get_path(LIBRARY_PATH).'course_request.lib.php';
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require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php';
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}
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$htmlHeadXtra[] = '<script type="text/javascript">
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function setFocus(){
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$("#title").focus();
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}
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$(window).load(function () {
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setFocus();
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});
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function advanced_parameters() {
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if(document.getElementById(\'options\').style.display == \'none\') {
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document.getElementById(\'options\').style.display = \'block\';
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document.getElementById(\'img_plus_and_minus\').innerHTML=\' <img style="vertical-align:middle;" src="../img/div_hide.gif" alt="" /> '.get_lang('AdvancedParameters').'\';
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} else {
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document.getElementById(\'options\').style.display = \'none\';
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document.getElementById(\'img_plus_and_minus\').innerHTML=\' <img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.get_lang('AdvancedParameters').'\';
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}
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}
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</script>';
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$interbreadcrumb[] = array('url' => api_get_path(WEB_PATH).'user_portal.php', 'name' => get_lang('MyCourses'));
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// Displaying the header.
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$tool_name = $course_validation_feature ? get_lang('CreateCourseRequest') : get_lang('CreateSite');
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if (api_get_setting('allow_users_to_create_courses') == 'false' && !api_is_platform_admin()) {
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api_not_allowed(true);
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}
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Display :: display_header($tool_name);
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// Check access rights.
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if (!api_is_allowed_to_create_course()) {
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Display :: display_error_message(get_lang('NotAllowed'));
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Display::display_footer();
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exit;
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}
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global $_configuration;
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$dbnamelength = strlen($_configuration['db_prefix']);
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// Ensure the database prefix + database name do not get over 40 characters.
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$maxlength = 40 - $dbnamelength;
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// Build the form.
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$form = new FormValidator('add_course');
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// Form title
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$form->addElement('header', '', $tool_name);
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// Title
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$form->addElement('text', 'title', get_lang('CourseName'), array('size' => '60', 'id' => 'title'));
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$form->applyFilter('title', 'html_filter');
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$form->addElement('static', null, null, get_lang('Ex'));
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$form->addRule('title', get_lang('ThisFieldIsRequired'), 'required');
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// Course category.
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$categories_select = $form->addElement('select', 'category_code', get_lang('Fac'), array(), array('style'=>'width:350px'));
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$form->applyFilter('category_code', 'html_filter');
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CourseManager::select_and_sort_categories($categories_select);
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$form->addElement('static', null, null, get_lang('TargetFac'));
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$form -> addElement('html','<div class="row">
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<div class="label"> </div>
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<div class="formw">
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<a href="javascript://" onclick=" return advanced_parameters()"><span id="img_plus_and_minus"><div style="vertical-align:top;" ><img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.get_lang('AdvancedParameters').'</div></span></a>
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</div>
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</div>');
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$form -> addElement('html','<div id="options" style="display:none">');
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// Course code.
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$form->add_textfield('wanted_code', get_lang('Code'), '', array('size' => $maxlength, 'maxlength' => $maxlength));
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$form->addElement('static', null, null, get_lang('OnlyLettersAndNumbers'));
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$form->applyFilter('wanted_code', 'html_filter');
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$form->addRule('wanted_code', get_lang('Max'), 'maxlength', $maxlength);
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if ($course_validation_feature) {
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$form->addRule('wanted_code', get_lang('ThisFieldIsRequired'), 'required');
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}
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// The teacher.
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$titular = & $form->add_textfield('tutor_name', get_lang('Professor'), null, array('size' => '60', 'disabled' => 'disabled'));
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$form->addElement('static', null, null, get_lang('ExplicationTrainers'));
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//$form->applyFilter('tutor_name', 'html_filter');
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if ($course_validation_feature) {
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// Description of the requested course.
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$form->addElement('textarea', 'description', get_lang('Description'), array('style' => 'border:#A5ACB2 solid 1px; font-family:arial,verdana,helvetica,sans-serif; font-size:12px', 'rows' => '3', 'cols' => '116'));
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$form->addRule('description', get_lang('ThisFieldIsRequired'), 'required');
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// Objectives of the requested course.
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$form->addElement('textarea', 'objetives', get_lang('Objectives'), array('style' => 'border:#A5ACB2 solid 1px; font-family:arial,verdana,helvetica,sans-serif; font-size:12px', 'rows' => '3', 'cols' => '116'));
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$form->addRule('objetives', get_lang('ThisFieldIsRequired'), 'required');
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// Target audience of the requested course.
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$form->addElement('textarea', 'target_audience', get_lang('TargetAudience'), array('style' => 'border:#A5ACB2 solid 1px; font-family:arial,verdana,helvetica,sans-serif; font-size:12px', 'rows' => '3', 'cols' => '116'));
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$form->addRule('target_audience', get_lang('ThisFieldIsRequired'), 'required');
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}
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// Course language.
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$form->addElement('select_language', 'course_language', get_lang('Ln'));
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$form->applyFilter('select_language', 'html_filter');
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// Exemplary content checkbox.
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$form->addElement('checkbox', 'exemplary_content', get_lang('FillWithExemplaryContent'));
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if ($course_validation_feature) {
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// A special URL to terms and conditions that is set in the platform settings page.
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$terms_and_conditions_url = trim(api_get_setting('course_validation_terms_and_conditions_url'));
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// If the special setting is empty, then we may get the URL from Chamilo's module "Terms and conditions", if it is activated.
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if (empty($terms_and_conditions_url)) {
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if (api_get_setting('allow_terms_conditions') == 'true') {
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$terms_and_conditions_url = api_get_path(WEB_CODE_PATH).'auth/inscription.php?legal';
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}
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}
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if (!empty($terms_and_conditions_url)) {
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// Terms and conditions to be accepted before sending a course request.
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$form->addElement('checkbox', 'legal', get_lang('IAcceptTermsAndConditions'), '', 1);
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$form->addRule('legal', get_lang('YouHaveToAcceptTermsAndConditions'), 'required');
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// Link to terms and conditions.
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$link_terms_and_conditions = '<script type="text/JavaScript">
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<!--
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function MM_openBrWindow(theURL,winName,features) { //v2.0
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window.open(theURL,winName,features);
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}
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//-->
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</script>
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<div class="row">
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<div class="formw">
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<a href="#" onclick="javascript: MM_openBrWindow(\''.$terms_and_conditions_url.'\',\'Conditions\',\'scrollbars=yes, width=800\')">';
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$link_terms_and_conditions .= get_lang('ReadTermsAndConditions').'</a></div></div>';
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$form->addElement('html', $link_terms_and_conditions);
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}
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}
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$form -> addElement('html','</div>');
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// Submit button.
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$form->addElement('style_submit_button', null, $course_validation_feature ? get_lang('CreateThisCourseRequest') : get_lang('CreateCourseArea'), 'class="add"');
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// The progress bar of this form.
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$form->add_progress_bar();
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// Set default values.
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if (isset($_user['language']) && $_user['language'] != '') {
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$values['course_language'] = $_user['language'];
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} else {
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$values['course_language'] = api_get_setting('platformLanguage');
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}
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$values['tutor_name'] = api_get_person_name($_user['firstName'], $_user['lastName'], null, null, $values['course_language']);
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$form->setDefaults($values);
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// Validate the form.
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if ($form->validate()) {
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$course_values = $form->exportValues();
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$wanted_code = trim(Security::remove_XSS(stripslashes($course_values['wanted_code'])));
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$tutor_name = stripslashes($course_values['tutor_name']);
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$category_code = $course_values['category_code'];
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$title = Security::remove_XSS(stripslashes($course_values['title']));
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$course_language = $course_values['course_language'];
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$exemplary_content = !empty($course_values['exemplary_content']);
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if ($course_validation_feature) {
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$description = Security::remove_XSS(stripslashes($course_values['description']));
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$objetives = Security::remove_XSS(stripslashes($course_values['objetives']));
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$target_audience = Security::remove_XSS(stripslashes($course_values['target_audience']));
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$status = '0';
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}
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if ($wanted_code == '') {
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$wanted_code = generate_course_code(api_substr($title, 0, $maxlength));
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}
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// Check whether the requested course code has already been occupied.
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if (!$course_validation_feature) {
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$course_code_ok = !CourseManager::course_code_exists($wanted_code);
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} else {
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$course_code_ok = !CourseRequestManager::course_code_exists($wanted_code);
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}
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if ($course_code_ok) {
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if (!$course_validation_feature) {
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// Create the course immediately.
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$keys = define_course_keys($wanted_code, '', $_configuration['db_prefix']);
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if (count($keys)) {
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$visual_code = $keys['currentCourseCode'];
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$code = $keys['currentCourseId'];
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$db_name = $keys['currentCourseDbName'];
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$directory = $keys['currentCourseRepository'];
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$expiration_date = time() + $firstExpirationDelay;
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prepare_course_repository($directory, $code);
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update_Db_course($db_name);
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$pictures_array = fill_course_repository($directory, $exemplary_content);
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fill_Db_course($db_name, $directory, $course_language, $pictures_array, $exemplary_content);
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register_course($code, $visual_code, $directory, $db_name, $tutor_name, $category_code, $title, $course_language, api_get_user_id(), $expiration_date);
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// Preparing a confirmation message.
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$link = api_get_path(WEB_COURSE_PATH).$directory.'/';
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$message = get_lang('JustCreated');
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$message .= ' <a href="'.$link.'">'.$title.'</a>';
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Display :: display_confirmation_message($message, false);
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echo '<div style="float: right; margin:0px; padding: 0px;">' .
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'<a class="bottom-link" href="'.api_get_path(WEB_PATH).'user_portal.php">'.get_lang('Enter').'</a>' .
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'</div>';
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} else {
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Display :: display_error_message(get_lang('CourseCreationFailed'), false);
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// Display the form.
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$form->display();
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}
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} else {
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// Create a request for a new course.
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$request_id = CourseRequestManager::create_course_request($wanted_code, $title, $description, $category_code, $course_language, $objetives, $target_audience, api_get_user_id(), $exemplary_content);
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if ($request_id) {
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$course_request_info = CourseRequestManager::get_course_request_info($request_id);
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$message = (is_array($course_request_info) ? '<strong>'.$course_request_info['code'].'</strong> : ' : '').get_lang('CourseRequestCreated');
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Display :: display_confirmation_message($message, false);
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echo '<div style="float: right; margin:0px; padding: 0px;">' .
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'<a class="bottom-link" href="'.api_get_path(WEB_PATH).'user_portal.php">'.get_lang('Enter').'</a>' .
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'</div>';
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} else {
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Display :: display_error_message(get_lang('CourseRequestCreationFailed'), false);
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// Display the form.
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$form->display();
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}
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}
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} else {
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Display :: display_error_message(get_lang('CourseCodeAlreadyExists'), false);
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// Display the form.
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$form->display();
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//echo '<p>'.get_lang('CourseCodeAlreadyExistExplained').'</p>';
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}
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} else {
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if (!$course_validation_feature) {
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Display::display_normal_message(get_lang('Explanation'));
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}
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// Display the form.
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$form->display();
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}
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// Footer
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Display :: display_footer();
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