, Ghent University * @author Roan Embrechts, refactoring * @package chamilo.create_course * "Course validation" feature: * @author Jose Manuel Abuin Mosquera , Centro de Supercomputacion de Galicia * "Course validation" feature, technical adaptation for Chamilo 1.8.8: * @author Ivan Tcholakov */ // 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'; // "Course validation" feature. This value affects the way of a new course creation: // true - the new course is requested only and it is created after approval; // false - the new course is created immedialely, after filling this form. $course_validation_feature = api_get_setting('course_validation') == 'true'; // Require additional libraries. require_once api_get_path(LIBRARY_PATH).'add_course.lib.inc.php'; require_once api_get_path(LIBRARY_PATH).'course.lib.php'; require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php'; require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php'; require_once api_get_path(CONFIGURATION_PATH).'course_info.conf.php'; if ($course_validation_feature) { require_once api_get_path(LIBRARY_PATH).'course_request.lib.php'; require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php'; } $htmlHeadXtra[] = ''; //jQuery $htmlHeadXtra[] = ''; $interbreadcrumb[] = array('url' => api_get_path(WEB_PATH).'user_portal.php', 'name' => get_lang('MyCourses')); // Displaying the header. $tool_name = $course_validation_feature ? get_lang('CreateCourseRequest') : get_lang('CreateSite'); if (api_get_setting('allow_users_to_create_courses') == 'false' && !api_is_platform_admin()) { api_not_allowed(true); } Display :: display_header($tool_name); // Check access rights. if (!api_is_allowed_to_create_course()) { Display :: display_error_message(get_lang('NotAllowed')); Display::display_footer(); exit; } 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'); if ($course_validation_feature) { // Description of the requested course. $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')); $form->addRule('description', get_lang('ThisFieldIsRequired'), 'required', '', ''); // Objectives of the requested course. $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')); $form->addRule('objetives', get_lang('ThisFieldIsRequired'), 'required', '', ''); // Target audience of the requested course. $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')); $form->addRule('target_audience', get_lang('ThisFieldIsRequired'), 'required', '', ''); } $form->addElement('select_language', 'course_language', get_lang('Ln')); $form->applyFilter('select_language', 'html_filter'); if ($course_validation_feature) { // Terms and conditions to be accepted before sending a course request. $form->addElement('checkbox', 'legal', get_lang('IAcceptTermsAndConditions'), '', 1); $form->addRule('legal', get_lang('YouHaveToAcceptTermsAndConditions'), 'required', '', ''); // Link to terms and conditios. // TODO: This hardcoded value is to be corrected/eliminated. $link_terms_and_conditions = ' '; $form->addElement('html', $link_terms_and_conditions); } $form->addElement('style_submit_button', null, $course_validation_feature ? get_lang('CreateThisCourseRequest') : 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(); $wanted_code = Security::remove_XSS($course_values['wanted_code']); $tutor_name = $course_values['tutor_name']; $category_code = $course_values['category_code']; $title = Security::remove_XSS($course_values['title']); $course_language = $course_values['course_language']; if ($course_validation_feature) { $description = Security::remove_XSS($course_values['description']); $objetives = Security::remove_XSS($course_values['objetives']); $target_audience = Security::remove_XSS($course_values['target_audience']); $status = '0'; // TODO: Why escaping quotes is needed here? $description = str_replace('"', '', $description); $objetives = str_replace('"', '', $objetives); $target_audience = str_replace('"', '', $target_audience); } $wanted_code = Database::escape_string($wanted_code); $title = Database::escape_string($title); if ($course_validation_feature) { $description = Database::escape_string($description); $objetives = Database::escape_string($objetives); $target_audience = Database::escape_string($target_audience); } if (trim($wanted_code) == '') { $wanted_code = generate_course_code(api_substr($title, 0, $maxlength)); $wanted_code = Database::escape_string($wanted_code); } // Check whether the requested course code has already been occupied. if (!$course_validation_feature) { $course_code_ok = !CourseManager::course_code_exists($wanted_code); } else { $course_code_ok = !CourseRequestManager::course_code_exists($wanted_code); } if ($course_code_ok) { if (!$course_validation_feature) { // Create the course immediately. $keys = define_course_keys($wanted_code, '', $_configuration['db_prefix']); if (count($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); // Preparing a confirmation message. $link = api_get_path(WEB_COURSE_PATH).$directory.'/'; $message = get_lang('JustCreated'); $message .= ' '.$title.''; Display :: display_confirmation_message($message, false); echo '
' . ''.get_lang('Enter').'' . '
'; } else { // TODO: Prepare an error message. $message = '?'; Display :: display_error_message(get_lang($message), false); // Display the form. $form->display(); } } else { // Create a request for a new course. $request_id = CourseRequestManager::create_course_request($wanted_code, $title, $description, $category_code, $course_language, $objetives, $target_audience); if ($request_id) { $course_request_info = CourseRequestManager::get_course_request_info($request_id); $visual_code = is_array($course_request_info) ? $course_request_info['visual_code'] : ''; $message = get_lang('CourseRequestCreated'); $message .= ' '.$visual_code.''; Display :: display_confirmation_message($message, false); echo '
' . ''.get_lang('Enter').'' . '
'; } else { // TODO: Prepare an error message. $message = '?'; Display :: display_error_message(get_lang($message), false); // Display the form. $form->display(); } } } else { Display :: display_error_message(get_lang('CourseCodeAlreadyExists'), false); // Display the form. $form->display(); //echo '

'.get_lang('CourseCodeAlreadyExistExplained').'

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