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828 lines
36 KiB
828 lines
36 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @package chamilo.main
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Refactoring
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* @todo check the different @todos in this page and really do them
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* @todo check if the news management works as expected
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*/
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// Only this script should have this constant defined. This is used to activate the javascript that
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// gives the login name automatic focus in header.inc.html.
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/** @todo Couldn't this be done using the $HtmlHeadXtra array? */
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define('DOKEOS_HOMEPAGE', true);
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$language_file = array('courses', 'index');
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/* Flag forcing the 'current course' reset, as we're not inside a course anymore. */
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// Maybe we should change this into an api function? an example: Coursemanager::unset();
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$cidReset = true;
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/* Included libraries */
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/** @todo Make all the library files consistent, use filename.lib.php and not filename.lib.inc.php. */
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require_once 'main/inc/global.inc.php';
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require_once api_get_path(LIBRARY_PATH).'course.lib.php';
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require_once api_get_path(LIBRARY_PATH).'events.lib.inc.php';
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require_once api_get_path(LIBRARY_PATH).'system_announcements.lib.php';
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require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
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require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
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require_once 'main/chat/chat_functions.lib.php';
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$loginFailed = isset($_GET['loginFailed']) ? true : isset($loginFailed);
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$setting_show_also_closed_courses = api_get_setting('show_closed_courses') == 'true';
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// The section (for the tabs).
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$this_section = SECTION_CAMPUS;
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unset($_SESSION['this_section']);//for hmtl editor repository
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/* Action Handling */
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/** @todo Wouldn't it make more sense if this would be done in local.inc.php so that local.inc.php become the only place where authentication is done?
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* by doing this you could logout from any page instead of only from index.php. From the moment there is a logout=true in the url you will be logged out
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* this can be usefull when you are on an open course and you need to log in to edit something and you immediately want to check how anonymous users
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* will see it.
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*/
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$my_user_id = api_get_user_id();
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if (!empty($_GET['logout'])) {
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logout();
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}
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/* Table definitions */
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$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
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$main_category_table = Database :: get_main_table(TABLE_MAIN_CATEGORY);
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$track_login_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
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/* Constants and CONFIGURATION parameters */
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/** @todo these configuration settings should move to the Chamilo config settings. */
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/** Defines wether or not anonymous visitors can see a list of the courses on the Chamilo homepage that are open to the world. */
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$_setting['display_courses_to_anonymous_users'] = 'true';
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/** @todo Remove this piece of code because this is not used. */
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if (isset($_user['user_id'])) {
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$nameTools = api_get_setting('siteName');
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}
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/* LOGIN */
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/**
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* @todo This piece of code should probably move to local.inc.php where the actual login / logout procedure is handled.
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* @todo Consider removing this piece of code because does nothing.
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*/
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if (isset($_GET['submitAuth']) && $_GET['submitAuth'] == 1) {
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// nice lie!!!
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echo 'Attempted breakin - sysadmins notified.';
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session_destroy();
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die();
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}
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// Delete session neccesary for legal terms
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if (api_get_setting('allow_terms_conditions') == 'true') {
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unset($_SESSION['update_term_and_condition']);
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unset($_SESSION['info_current_user']);
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}
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/**
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* @todo This piece of code should probably move to local.inc.php where the actual login procedure is handled.
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* @todo Check if this code is used. I think this code is never executed because after clicking the submit button
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* the code does the stuff in local.inc.php and then redirects to index.php or user_portal.php depending
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* on api_get_setting('page_after_login').
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*/
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if (!empty($_POST['submitAuth'])) {
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// The user has been already authenticated, we are now to find the last login of the user.
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if (isset ($_user['user_id'])) {
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$sql_last_login = "SELECT UNIX_TIMESTAMP(login_date)
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FROM $track_login_table
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WHERE login_user_id = '".$_user['user_id']."'
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ORDER BY login_date DESC LIMIT 1";
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$result_last_login = Database::query($sql_last_login);
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if (!$result_last_login) {
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if (Database::num_rows($result_last_login) > 0) {
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$user_last_login_datetime = Database::fetch_array($result_last_login);
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$user_last_login_datetime = $user_last_login_datetime[0];
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api_session_register('user_last_login_datetime');
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}
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}
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Database::free_result($result_last_login);
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//event_login();
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if (api_is_platform_admin()) {
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// decode all open event informations and fill the track_c_* tables
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include api_get_path(LIBRARY_PATH).'stats.lib.inc.php';
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decodeOpenInfos();
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}
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}
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} // End login -- if ($_POST['submitAuth'])
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else {
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// Only if login form was not sent because if the form is sent the user was already on the page.
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event_open();
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}
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// The header.
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$header_title = get_lang('Homepage');
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$sitename = api_get_setting('siteName');
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if (!empty($sitename)) {
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$header_title = null;
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}
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Display::display_header($header_title);
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/* MAIN CODE */
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echo '<div class="maincontent" id="content">';
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// Plugins for loginpage_main AND campushomepage_main.
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if (!api_get_user_id()) {
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api_plugin('loginpage_main');
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} else {
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api_plugin('campushomepage_main');
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}
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$home = 'home/';
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if ($_configuration['multiple_access_urls']) {
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$access_url_id = api_get_current_access_url_id();
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if ($access_url_id != -1){
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$url_info = api_get_access_url($access_url_id);
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$url = api_remove_trailing_slash(preg_replace('/https?:\/\//i', '', $url_info['url']));
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$clean_url = replace_dangerous_char($url);
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$clean_url = str_replace('/', '-', $clean_url);
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$clean_url .= '/';
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$home_old = 'home/';
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$home = 'home/'.$clean_url;
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}
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}
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// Including the page for the news
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$page_included = false;
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if (!empty($_GET['include']) && preg_match('/^[a-zA-Z0-9_-]*\.html$/', $_GET['include'])) {
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$open = @(string)file_get_contents(api_get_path(SYS_PATH).$home.$_GET['include']);
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$open = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
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echo $open;
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$page_included = true;
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} else {
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if (!empty($_SESSION['user_language_choice'])) {
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$user_selected_language = $_SESSION['user_language_choice'];
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} elseif (!empty($_SESSION['_user']['language'])) {
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$user_selected_language = $_SESSION['_user']['language'];
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} else {
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$user_selected_language = api_get_setting('platformLanguage');
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}
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if (!file_exists($home.'home_news_'.$user_selected_language.'.html')) {
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if (file_exists($home.'home_top.html')) {
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$home_top_temp = file($home.'home_top.html');
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} else {
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$home_top_temp = file($home_old.'home_top.html');
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}
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$home_top_temp = implode('', $home_top_temp);
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} else {
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if (file_exists($home.'home_top_'.$user_selected_language.'.html')) {
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$home_top_temp = file_get_contents($home.'home_top_'.$user_selected_language.'.html');
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} else {
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$home_top_temp = file_get_contents($home.'home_top.html');
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}
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}
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if (trim($home_top_temp) == '') {
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$home_top_temp = get_lang('PortalHomepageDefaultIntroduction');
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}
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$open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
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$open = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
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echo $open;
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}
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// Display courses and category list.
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if (!$page_included) {
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// Display System announcements
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$announcement = isset($_GET['announcement']) ? $_GET['announcement'] : -1;
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$announcement = intval($announcement);
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if (isset($_user['user_id'])) {
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$visibility = api_is_allowed_to_create_course() ? VISIBLE_TEACHER : VISIBLE_STUDENT;
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SystemAnnouncementManager :: display_announcements($visibility, $announcement);
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} else {
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SystemAnnouncementManager :: display_announcements(VISIBLE_GUEST, $announcement);
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}
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if (api_get_setting('display_categories_on_homepage') == 'true') {
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echo '<div class="home_cats">';
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display_anonymous_course_list();
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echo '</div>';
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}
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}
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echo '</div>';
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// Display right menu: language form, login section + useful weblinks.
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echo '<div class="menu" id="menu">';
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display_anonymous_right_menu();
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echo '</div>';
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/* Footer */
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Display :: display_footer();
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/* Functions */
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/**
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* This function handles the logout and is called whenever there is a $_GET['logout']
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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*/
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function logout() {
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global $_configuration, $extAuthSource;
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// Variable initialisation.
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$query_string = '';
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if (!empty($_SESSION['user_language_choice'])) {
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$query_string = '?language='.$_SESSION['user_language_choice'];
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}
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// Database table definition.
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$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
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// Selecting the last login of the user.
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$uid = intval($_GET['uid']);
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$sql_last_connection = "SELECT login_id, login_date FROM $tbl_track_login WHERE login_user_id='$uid' ORDER BY login_date DESC LIMIT 0,1";
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$q_last_connection = Database::query($sql_last_connection);
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if (Database::num_rows($q_last_connection) > 0) {
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$i_id_last_connection = Database::result($q_last_connection, 0, 'login_id');
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}
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if (!isset($_SESSION['login_as'])) {
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$current_date = date('Y-m-d H:i:s', time());
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$s_sql_update_logout_date = "UPDATE $tbl_track_login SET logout_date='".$current_date."' WHERE login_id='$i_id_last_connection'";
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Database::query($s_sql_update_logout_date);
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}
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LoginDelete($uid, $_configuration['statistics_database']); // From inc/lib/online.inc.php - removes the "online" status.
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// The following code enables the use of an external logout function.
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// Example: define a $extAuthSource['ldap']['logout'] = 'file.php' in configuration.php.
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// Then a function called ldap_logout() inside that file
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// (using *authent_name*_logout as the function name) and the following code
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// will find and execute it.
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$uinfo = api_get_user_info($uid);
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if (($uinfo['auth_source'] != PLATFORM_AUTH_SOURCE) && is_array($extAuthSource)) {
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if (is_array($extAuthSource[$uinfo['auth_source']])) {
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$subarray = $extAuthSource[$uinfo['auth_source']];
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if (!empty($subarray['logout']) && file_exists($subarray['logout'])) {
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include_once ($subarray['logout']);
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$logout_function = $uinfo['auth_source'].'_logout';
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if (function_exists($logout_function)) {
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$logout_function($uinfo);
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}
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}
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}
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}
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exit_of_chat($uid);
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api_session_destroy();
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header("Location: index.php$query_string");
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exit();
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}
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/**
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* This function checks if there are courses that are open to the world in the platform course categories (=faculties)
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*
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* @param unknown_type $category
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* @return boolean
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*/
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function category_has_open_courses($category) {
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global $setting_show_also_closed_courses;
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$user_identified = (api_get_user_id() > 0 && !api_is_anonymous());
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$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
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$sql_query = "SELECT * FROM $main_course_table WHERE category_code='$category'";
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$sql_result = Database::query($sql_query);
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while ($course = Database::fetch_array($sql_result)) {
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if (!$setting_show_also_closed_courses) {
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if ((api_get_user_id() > 0
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&& $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM)
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|| ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD)) {
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return true; //at least one open course
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}
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} else {
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if (isset($course['visibility'])) {
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return true; // At least one course (it does not matter weither it's open or not because $setting_show_also_closed_courses = true).
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}
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}
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}
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return false;
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}
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/**
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* Display create course link
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*/
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function display_create_course_link() {
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echo '<li><a href="main/create_course/add_course.php">'.
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(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
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}
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/**
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* Display edit course list links
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*/
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function display_edit_course_list_links() {
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echo '<li><a href="main/auth/courses.php">'.get_lang('CourseManagement').'</a></li>';
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}
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/**
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* Display dashboard link
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*/
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function display_dashboard_link() {
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echo '<li><a href="main/dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
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}
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/**
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* Displays the right-hand menu for anonymous users:
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* login form, useful links, help section
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* Warning: function defines globals
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* @version 1.0.1
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* @todo does $_plugins need to be global?
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*/
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function display_anonymous_right_menu() {
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global $loginFailed, $_plugins, $_user, $menu_navigation;
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$platformLanguage = api_get_setting('platformLanguage');
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$sys_path = api_get_path(SYS_PATH);
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if (!($_user['user_id']) || api_is_anonymous($_user['user_id']) ) { // Only display if the user isn't logged in.
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api_display_language_form(true);
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echo '<br />';
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display_login_form();
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if ($loginFailed) {
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echo '<br />';
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handle_login_failed();
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}
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if (api_get_setting('allow_lostpassword') == 'true' || api_get_setting('allow_registration') == 'true') {
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echo '<div class="menusection"><span class="menusectioncaption">'.get_lang('MenuUser').'</span><ul class="menulist">';
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if (api_get_setting('allow_registration') != 'false') {
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echo '<li><a href="main/auth/inscription.php">'.get_lang('Reg').'</a></li>';
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}
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if (api_get_setting('allow_lostpassword') == 'true') {
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display_lost_password_info();
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}
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echo '</ul></div>';
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}
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if (api_number_of_plugins('loginpage_menu') > 0) {
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echo '<div class="note" style="background: none">';
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api_plugin('loginpage_menu');
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echo '</div>';
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}
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}
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// My Account section.
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if (isset($_SESSION['_user']['user_id']) && $_SESSION['_user']['user_id'] != 0) {
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// tabs that are deactivated are added here
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$show_menu = false;
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$show_create_link = false;
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$show_course_link = false;
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$display_add_course_link = api_is_allowed_to_create_course() && ($_SESSION['studentview'] != 'studentenview');
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if ($display_add_course_link) {
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//display_create_course_link();
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$show_menu = true;
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$show_create_link = true;
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}
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if (api_is_platform_admin() || api_is_course_admin() || api_is_allowed_to_create_course()) {
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$show_menu = true;
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$show_course_link = true;
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} else {
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if (api_get_setting('allow_students_to_browse_courses') == 'true') {
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$show_menu = true;
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$show_course_link = true;
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}
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}
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if ($show_menu) {
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echo '<div class="menusection">';
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echo '<span class="menusectioncaption">'.get_lang('MenuUser').'</span>';
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echo '<ul class="menulist">';
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if ($show_create_link) {
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display_create_course_link();
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}
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if ($show_course_link) {
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if (!api_is_drh() && !api_is_session_admin()) {
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display_edit_course_list_links();
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} else {
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display_dashboard_link();
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}
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}
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echo '</ul></div>';
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}
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// Deleting the myprofile link.
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if (api_get_setting('allow_social_tool') == 'true') {
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unset($menu_navigation['myprofile']);
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}
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if (!empty($menu_navigation)) {
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echo '<div class="menusection">';
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echo '<span class="menusectioncaption">'.get_lang('MainNavigation').'</span>';
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echo '<ul class="menulist">';
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foreach ($menu_navigation as $section => $navigation_info) {
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$current = $section == $GLOBALS['this_section'] ? ' id="current"' : '';
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echo '<li'.$current.'><a href="'.$navigation_info['url'].'" target="_self">'.$navigation_info['title'].'</a></li>', "\n";
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}
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echo '</ul></div>';
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}
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}
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// Help section.
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/* Hide right menu "general" and other parts on anonymous right menu. */
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$user_selected_language = api_get_interface_language();
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global $home, $home_old;
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if (!isset($user_selected_language)) {
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$user_selected_language = $platformLanguage;
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}
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$home_menu = @(string)file_get_contents($sys_path.$home.'home_menu_'.$user_selected_language.'.html');
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/*if (empty($home_menu)) {
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$home_menu = @(string)file_get_contents($sys_path.$home_old.'home_menu_'.$user_selected_language.'.html');
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}
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if (empty($home_menu)) {
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$home_menu = @(string)file_get_contents($sys_path.$home.'home_menu.html');
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}
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if (empty($home_menu)) {
|
|
$home_menu = @(string)file_get_contents($sys_path.$home_old.'home_menu.html');
|
|
}*/
|
|
if (!empty($home_menu)) {
|
|
echo '<div class="menusection">', '<span class="menusectioncaption">'.get_lang('MenuGeneral').'</span>';
|
|
echo '<ul class="menulist">';
|
|
$home_menu = api_to_system_encoding($home_menu, api_detect_encoding(strip_tags($home_menu)));
|
|
echo $home_menu;
|
|
echo '</ul></div>';
|
|
}
|
|
|
|
if ($_user['user_id'] && api_number_of_plugins('campushomepage_menu') > 0) {
|
|
echo '<div class="note" style="background: none">';
|
|
api_plugin('campushomepage_menu');
|
|
echo '</div>';
|
|
}
|
|
|
|
// Includes for any files to be displayed below anonymous right menu.
|
|
|
|
$home_notice = @(string)file_get_contents($sys_path.$home.'home_notice_'.$user_selected_language.'.html');
|
|
if (empty($home_notice)) {
|
|
$home_notice = @(string)file_get_contents($sys_path.$home.'home_notice.html');
|
|
}
|
|
if (!empty($home_notice)) {
|
|
echo '<div class="note">';
|
|
$home_notice = api_to_system_encoding($home_notice, api_detect_encoding(strip_tags($home_notice)));
|
|
echo $home_notice;
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Reacts on a failed login:
|
|
* Displays an explanation with a link to the registration form.
|
|
*
|
|
* @version 1.0.1
|
|
*/
|
|
function handle_login_failed() {
|
|
if (!isset($_GET['error'])) {
|
|
$message = get_lang('InvalidId');
|
|
if (api_is_self_registration_allowed()) {
|
|
$message = get_lang('InvalidForSelfRegistration');
|
|
}
|
|
} else {
|
|
switch ($_GET['error']) {
|
|
case '':
|
|
$message = get_lang('InvalidId');
|
|
if (api_is_self_registration_allowed()) {
|
|
$message = get_lang('InvalidForSelfRegistration');
|
|
}
|
|
break;
|
|
case 'account_expired':
|
|
$message = get_lang('AccountExpired');
|
|
break;
|
|
case 'account_inactive':
|
|
$message = get_lang('AccountInactive');
|
|
break;
|
|
case 'user_password_incorrect':
|
|
$message = get_lang('InvalidId');
|
|
break;
|
|
case 'access_url_inactive':
|
|
$message = get_lang('AccountURLInactive');
|
|
break;
|
|
}
|
|
}
|
|
echo '<div id="login_fail">'.$message.'</div>';
|
|
}
|
|
|
|
/**
|
|
* Adds a form to let users login
|
|
* @version 1.1
|
|
*/
|
|
function display_login_form() {
|
|
$form = new FormValidator('formLogin');
|
|
$form->addElement('text', 'login', get_lang('UserName'), array('size' => 17));
|
|
$form->addElement('password', 'password', get_lang('Pass'), array('size' => 17));
|
|
$form->addElement('style_submit_button','submitAuth', get_lang('LoginEnter'), array('class' => 'login'));
|
|
$renderer =& $form->defaultRenderer();
|
|
$renderer->setElementTemplate('<div><label>{label}</label></div><div>{element}</div>');
|
|
$form->display();
|
|
if (api_get_setting('openid_authentication') == 'true') {
|
|
include_once 'main/auth/openid/login.php';
|
|
echo '<div>'.openid_form().'</div>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Displays a link to the lost password section
|
|
*/
|
|
function display_lost_password_info() {
|
|
echo '<li><a href="main/auth/lostPassword.php">'.get_lang('LostPassword').'</a></li>';
|
|
}
|
|
|
|
/**
|
|
* Display list of courses in a category.
|
|
* (for anonymous users)
|
|
*
|
|
* @version 1.1
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University - refactoring and code cleaning
|
|
*/
|
|
function display_anonymous_course_list() {
|
|
$ctok = $_SESSION['sec_token'];
|
|
$stok = Security::get_token();
|
|
|
|
// Initialization.
|
|
$user_identified = (api_get_user_id() > 0 && !api_is_anonymous());
|
|
$web_course_path = api_get_path(WEB_COURSE_PATH);
|
|
$category = Database::escape_string($_GET['category']);
|
|
global $setting_show_also_closed_courses;
|
|
|
|
// Database table definitions.
|
|
$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
|
|
$main_category_table = Database :: get_main_table(TABLE_MAIN_CATEGORY);
|
|
|
|
$platformLanguage = api_get_setting('platformLanguage');
|
|
|
|
// Get list of courses in category $category.
|
|
$sql_get_course_list = "SELECT * FROM $main_course_table cours
|
|
WHERE category_code = '".Database::escape_string($_GET['category'])."'
|
|
ORDER BY title, UPPER(visual_code)";
|
|
|
|
// Showing only the courses of the current access_url_id.
|
|
global $_configuration;
|
|
if ($_configuration['multiple_access_urls']) {
|
|
$url_access_id = api_get_current_access_url_id();
|
|
if ($url_access_id != -1) {
|
|
$tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
|
|
$sql_get_course_list = "SELECT * FROM $main_course_table as course INNER JOIN $tbl_url_rel_course as url_rel_course
|
|
ON (url_rel_course.course_code=course.code)
|
|
WHERE access_url_id = $url_access_id AND category_code = '".Database::escape_string($_GET['category'])."' ORDER BY title, UPPER(visual_code)";
|
|
}
|
|
}
|
|
|
|
// Removed: AND cours.visibility='".COURSE_VISIBILITY_OPEN_WORLD."'
|
|
$sql_result_courses = Database::query($sql_get_course_list);
|
|
|
|
while ($course_result = Database::fetch_array($sql_result_courses)) {
|
|
$course_list[] = $course_result;
|
|
}
|
|
|
|
$platform_visible_courses = '';
|
|
// $setting_show_also_closed_courses
|
|
if ($user_identified) {
|
|
if ($setting_show_also_closed_courses) {
|
|
$platform_visible_courses = '';
|
|
} else {
|
|
$platform_visible_courses = " AND (t3.visibility='".COURSE_VISIBILITY_OPEN_WORLD."' OR t3.visibility='".COURSE_VISIBILITY_OPEN_PLATFORM."' )";
|
|
}
|
|
} else {
|
|
if ($setting_show_also_closed_courses) {
|
|
$platform_visible_courses = '';
|
|
} else {
|
|
$platform_visible_courses = " AND (t3.visibility='".COURSE_VISIBILITY_OPEN_WORLD."' )";
|
|
}
|
|
}
|
|
$sqlGetSubCatList = "
|
|
SELECT t1.name,t1.code,t1.parent_id,t1.children_count,COUNT(DISTINCT t3.code) AS nbCourse
|
|
FROM $main_category_table t1
|
|
LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
|
|
LEFT JOIN $main_course_table t3 ON (t3.category_code=t1.code $platform_visible_courses)
|
|
WHERE t1.parent_id ". (empty ($category) ? "IS NULL" : "='$category'")."
|
|
GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count ORDER BY t1.tree_pos, t1.name";
|
|
|
|
|
|
// Showing only the category of courses of the current access_url_id.
|
|
global $_configuration;
|
|
if ($_configuration['multiple_access_urls']) {
|
|
$url_access_id = api_get_current_access_url_id();
|
|
if ($url_access_id != -1) {
|
|
$tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
|
|
$sqlGetSubCatList = "
|
|
SELECT t1.name,t1.code,t1.parent_id,t1.children_count,COUNT(DISTINCT t3.code) AS nbCourse
|
|
FROM $main_category_table t1
|
|
LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
|
|
LEFT JOIN $main_course_table t3 ON (t3.category_code=t1.code $platform_visible_courses)
|
|
INNER JOIN $tbl_url_rel_course as url_rel_course
|
|
ON (url_rel_course.course_code=t3.code)
|
|
WHERE access_url_id = $url_access_id AND t1.parent_id ".(empty($category) ? "IS NULL" : "='$category'")."
|
|
GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count ORDER BY t1.tree_pos, t1.name";
|
|
}
|
|
}
|
|
|
|
$resCats = Database::query($sqlGetSubCatList);
|
|
$thereIsSubCat = false;
|
|
if (Database::num_rows($resCats) > 0) {
|
|
$htmlListCat = '<h4 style="margin-top: 0px;">'.get_lang('CatList').'</h4><ul>';
|
|
while ($catLine = Database::fetch_array($resCats)) {
|
|
if ($catLine['code'] != $category) {
|
|
|
|
$category_has_open_courses = category_has_open_courses($catLine['code']);
|
|
if ($category_has_open_courses) {
|
|
// The category contains courses accessible to anonymous visitors.
|
|
$htmlListCat .= '<li>';
|
|
$htmlListCat .= '<a href="'.api_get_self().'?category='.$catLine['code'].'">'.$catLine['name'].'</a>';
|
|
if (api_get_setting('show_number_of_courses') == 'true') {
|
|
$htmlListCat .= ' ('.$catLine['nbCourse'].' '.get_lang('Courses').')';
|
|
}
|
|
$htmlListCat .= "</li>\n";
|
|
$thereIsSubCat = true;
|
|
} elseif ($catLine['children_count'] > 0) {
|
|
// The category has children, subcategories.
|
|
$htmlListCat .= '<li>';
|
|
$htmlListCat .= '<a href="'.api_get_self().'?category='.$catLine['code'].'">'.$catLine['name'].'</a>';
|
|
$htmlListCat .= "</li>\n";
|
|
$thereIsSubCat = true;
|
|
}
|
|
/* End changed code to eliminate the (0 courses) after empty categories. */
|
|
elseif (api_get_setting('show_empty_course_categories') == 'true') {
|
|
$htmlListCat .= '<li>';
|
|
$htmlListCat .= $catLine['name'];
|
|
$htmlListCat .= "</li>\n";
|
|
$thereIsSubCat = true;
|
|
} // Else don't set thereIsSubCat to true to avoid printing things if not requested.
|
|
} else {
|
|
$htmlTitre = '<p>';
|
|
if (api_get_setting('show_back_link_on_top_of_tree') == 'true') {
|
|
$htmlTitre .= '<a href="'.api_get_self().'"><< '.get_lang('BackToHomePage').'</a>';
|
|
}
|
|
if (!is_null($catLine['parent_id']) || (api_get_setting('show_back_link_on_top_of_tree') != 'true' && !is_null($catLine['code']))) {
|
|
$htmlTitre .= '<a href="'.api_get_self().'?category='.$catLine['parent_id'].'"><< '.get_lang('Up').'</a>';
|
|
}
|
|
$htmlTitre .= "</p>\n";
|
|
if ($category != "" && !is_null($catLine['code'])) {
|
|
$htmlTitre .= '<h3>'.$catLine['name']."</h3>\n";
|
|
} else {
|
|
$htmlTitre .= '<h3>'.get_lang('Categories')."</h3>\n";
|
|
}
|
|
}
|
|
}
|
|
$htmlListCat .= "</ul>\n";
|
|
}
|
|
echo $htmlTitre;
|
|
if ($thereIsSubCat) {
|
|
echo $htmlListCat;
|
|
}
|
|
while ($categoryName = Database::fetch_array($resCats)) {
|
|
echo '<h3>', $categoryName['name'], "</h3>\n";
|
|
}
|
|
$numrows = Database::num_rows($sql_result_courses);
|
|
$courses_list_string = '';
|
|
$courses_shown = 0;
|
|
if ($numrows > 0) {
|
|
if ($thereIsSubCat) {
|
|
$courses_list_string .= "<hr size=\"1\" noshade=\"noshade\">\n";
|
|
}
|
|
$courses_list_string .= '<h4 style="margin-top: 0px;">'.get_lang('CourseList')."</h4>\n<ul>\n";
|
|
|
|
if (api_get_user_id()) {
|
|
$courses_of_user = get_courses_of_user(api_get_user_id());
|
|
}
|
|
|
|
foreach ($course_list as $course) {
|
|
// $setting_show_also_closed_courses
|
|
if (!$setting_show_also_closed_courses) {
|
|
// If we do not show the closed courses
|
|
// we only show the courses that are open to the world (to everybody)
|
|
// and the courses that are open to the platform (if the current user is a registered user.
|
|
if( ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM) || ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD)) {
|
|
$courses_shown++;
|
|
$courses_list_string .= "<li>\n";
|
|
$courses_list_string .= '<a href="'.$web_course_path.$course['directory'].'/">'.$course['title'].'</a><br />';
|
|
if (api_get_setting('display_coursecode_in_courselist') == 'true') {
|
|
$courses_list_string .= $course['visual_code'];
|
|
}
|
|
if (api_get_setting('display_coursecode_in_courselist') == 'true' && api_get_setting('display_teacher_in_courselist') == 'true') {
|
|
$courses_list_string .= ' - ';
|
|
}
|
|
if (api_get_setting('display_teacher_in_courselist') == 'true') {
|
|
$courses_list_string .= $course['tutor_name'];
|
|
}
|
|
if (api_get_setting('show_different_course_language') == 'true' && $course['course_language'] != api_get_setting('platformLanguage')) {
|
|
$courses_list_string .= ' - '.$course['course_language'];
|
|
}
|
|
$courses_list_string .= "</li>\n";
|
|
}
|
|
}
|
|
// We DO show the closed courses.
|
|
// The course is accessible if (link to the course homepage):
|
|
// 1. the course is open to the world (doesn't matter if the user is logged in or not): $course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD);
|
|
// 2. the user is logged in and the course is open to the world or open to the platform: ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM);
|
|
// 3. the user is logged in and the user is subscribed to the course and the course visibility is not COURSE_VISIBILITY_CLOSED;
|
|
// 4. the user is logged in and the user is course admin of te course (regardless of the course visibility setting);
|
|
// 5. the user is the platform admin api_is_platform_admin().
|
|
//
|
|
else {
|
|
$courses_shown++;
|
|
$courses_list_string .= "<li>\n";
|
|
if ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD
|
|
|| ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM)
|
|
|| ($user_identified && key_exists($course['code'], $courses_of_user) && $course['visibility'] != COURSE_VISIBILITY_CLOSED)
|
|
|| $courses_of_user[$course['code']]['status'] == '1'
|
|
|| api_is_platform_admin()) {
|
|
$courses_list_string .= '<a href="'.$web_course_path.$course['directory'].'/">';
|
|
}
|
|
$courses_list_string .= $course['title'];
|
|
if ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD
|
|
|| ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM)
|
|
|| ($user_identified && key_exists($course['code'], $courses_of_user) && $course['visibility'] != COURSE_VISIBILITY_CLOSED)
|
|
|| $courses_of_user[$course['code']]['status'] == '1'
|
|
|| api_is_platform_admin()) {
|
|
$courses_list_string .= '</a><br />';
|
|
}
|
|
if (api_get_setting('display_coursecode_in_courselist') == 'true') {
|
|
$courses_list_string .= ' '.$course['visual_code'];
|
|
}
|
|
if (api_get_setting('display_coursecode_in_courselist') == 'true' && api_get_setting('display_teacher_in_courselist') == 'true') {
|
|
$courses_list_string .= ' - ';
|
|
}
|
|
if (api_get_setting('display_teacher_in_courselist') == 'true') {
|
|
$courses_list_string .= $course['tutor_name'];
|
|
}
|
|
if (api_get_setting('show_different_course_language') == 'true' && $course['course_language'] != api_get_setting('platformLanguage')) {
|
|
$courses_list_string .= ' - '.$course['course_language'];
|
|
}
|
|
if (api_get_setting('show_different_course_language') == 'true' && $course['course_language'] != api_get_setting('platformLanguage')) {
|
|
$courses_list_string .= ' - '.$course['course_language'];
|
|
}
|
|
// We display a subscription link if:
|
|
// 1. it is allowed to register for the course and if the course is not already in the courselist of the user and if the user is identiefied
|
|
// 2.
|
|
if ($user_identified && !key_exists($course['code'], $courses_of_user)) {
|
|
if ($course['subscribe'] == '1') {
|
|
$courses_list_string .= '<form action="main/auth/courses.php?action=subscribe&category='.Security::remove_XSS($_GET['category']).'" method="post">';
|
|
$courses_list_string .= '<input type="hidden" name="sec_token" value="'.$stok.'">';
|
|
$courses_list_string .= '<input type="hidden" name="subscribe" value="'.$course['code'].'" />';
|
|
$courses_list_string .= '<input type="image" name="unsub" src="main/img/enroll.gif" alt="'.get_lang('Subscribe').'" />'.get_lang('Subscribe').'</form>';
|
|
} else {
|
|
$courses_list_string .= '<br />'.get_lang('SubscribingNotAllowed');
|
|
}
|
|
}
|
|
$courses_list_string .= "</li>\n";
|
|
}
|
|
}
|
|
$courses_list_string .= "</ul>\n";
|
|
} else {
|
|
//echo '<blockquote>', get_lang('_No_course_publicly_available'), "</blockquote>\n";
|
|
}
|
|
if ($courses_shown > 0) { // Only display the list of courses and categories if there was more than
|
|
// 0 courses visible to the world (we're in the anonymous list here).
|
|
echo $courses_list_string;
|
|
}
|
|
if ($category != '') {
|
|
echo '<p><a href="'.api_get_self().'"> ', Display :: return_icon('back.png', get_lang('BackToHomePage')), get_lang('BackToHomePage'), '</a></p>', "\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* retrieves all the courses that the user has already subscribed to
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
|
|
* @param int $user_id: the id of the user
|
|
* @return array an array containing all the information of the courses of the given user
|
|
*/
|
|
function get_courses_of_user($user_id) {
|
|
$table_course = Database::get_main_table(TABLE_MAIN_COURSE);
|
|
$table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
|
|
// Secondly we select the courses that are in a category (user_course_cat <> 0) and sort these according to the sort of the category
|
|
$user_id = intval($user_id);
|
|
$sql_select_courses = "SELECT course.code k, course.visual_code vc, course.subscribe subscr, course.unsubscribe unsubscr,
|
|
course.title i, course.tutor_name t, course.db_name db, course.directory dir, course_rel_user.status status,
|
|
course_rel_user.sort sort, course_rel_user.user_course_cat user_course_cat
|
|
FROM $table_course course,
|
|
$table_course_user course_rel_user
|
|
WHERE course.code = course_rel_user.course_code
|
|
AND course_rel_user.user_id = '".$user_id."'
|
|
AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
|
|
ORDER BY course_rel_user.sort ASC";
|
|
$result = Database::query($sql_select_courses);
|
|
$courses = array();
|
|
while ($row = Database::fetch_array($result)) {
|
|
// We only need the database name of the course.
|
|
$courses[$row['k']] = array('db' => $row['db'], 'code' => $row['k'], 'visual_code' => $row['vc'], 'title' => $row['i'], 'directory' => $row['dir'], 'status' => $row['status'], 'tutor' => $row['t'], 'subscribe' => $row['subscr'], 'unsubscribe' => $row['unsubscr'], 'sort' => $row['sort'], 'user_course_category' => $row['user_course_cat']);
|
|
}
|
|
return $courses;
|
|
}
|
|
|