/**
  * retrive the user statistic
  */
 function getUserStats($id_user)
 {
     require_once $GLOBALS['where_lms'] . '/lib/lib.forum.php';
     $u_info = $this->getUserDataNoRestriction($id_user);
     /*
     require_once($GLOBALS['where_cms'].'/lib/lib.forum.php');
     $forum_cms = new Man_Forum_Cms();
     $forum_cms->getUserForumPostCms($id_user) +
     */
     $forum_lms = new Man_Forum();
     $forum_post = $forum_lms->getUserForumPostLms($id_user);
     $my_file = new MyFile($id_user);
     $stats = array('forum_post' => $forum_post, 'blog_post' => 'unk', 'loaded_file' => 0);
     return $stats;
 }
Example #2
0
function userCourseList(&$url, $use_tab = true, $page_add = true)
{
    YuiLib::load(array('animation' => 'animation-min.js', 'dragdrop' => 'dragdrop-min.js', 'button' => 'button-min.js', 'container' => 'container-min.js', 'my_window' => 'windows.js'), array('container/assets/skins/sam' => 'container.css', 'button/assets/skins/sam' => 'button.css'));
    if ($page_add) {
        addJs($GLOBALS['where_lms_relative'] . '/modules/coursecatalogue/', 'ajax.coursecatalogue.js');
    }
    require_once _base_ . '/lib/lib.form.php';
    require_once _base_ . '/lib/lib.user_profile.php';
    require_once _base_ . '/lib/lib.navbar.php';
    require_once $GLOBALS['where_lms'] . '/lib/lib.preassessment.php';
    require_once $GLOBALS['where_lms'] . '/lib/lib.catalogue.php';
    require_once $GLOBALS['where_lms'] . '/lib/lib.course.php';
    require_once $GLOBALS['where_lms'] . '/lib/lib.coursereport.php';
    require_once $GLOBALS['where_lms'] . '/lib/lib.coursepath.php';
    require_once $GLOBALS["where_framework"] . "/lib/lib.ajax_comment.php";
    require_once $GLOBALS['where_lms'] . '/lib/lib.classroom.php';
    // pre-loading coursepath ------------------------------------------------------------------
    $path_man = new CoursePath_Manager();
    // search for the coursepath ----------------------------------------------------------
    $user_coursepath = $path_man->getUserSubscriptionsInfo(getLogUserId(), true);
    $coursepath = $path_man->getCoursepathAllInfo(array_keys($user_coursepath));
    if (!empty($coursepath)) {
        // find structures of the course path ---------------------------------------------
        $path_courses = $path_man->getPathStructure(array_keys($coursepath));
        $cp_info = $path_man->getAllCoursesInfo($path_courses['all_paths']);
        /*echo "<pre>\n\n";
        		print_r($cp_info);
        		echo "\n\n</pre>";*/
    }
    // ------------------------------------------------------------------------
    $course_stats = array('total' => 0, 'u_can_enter' => 0, 'with_status' => array(CST_AVAILABLE => 0, CST_EFFECTIVE => 0, CST_CONCLUDED => 0, CST_CANCELLED => 0), 'with_ustatus' => array(_CUS_SUBSCRIBED => 0, _CUS_BEGIN => 0, _CUS_END => 0, _CUS_SUSPEND => 0), 'with_wstatus' => array(_CUS_RESERVED => 0, _CUS_WAITING_LIST => 0), 'with_ulevel' => array(), 'expiring' => 0, 'cert_relesable' => 0);
    // ------------------------------------------------------------------------
    $filter = importVar('filter', false, 'total');
    if ($filter == 'level') {
        $filter_level = importVar('filter_on', true, 0);
    }
    $current_tab = importVar('current_tab', false, 'lo_plan');
    if ($use_tab && $page_add) {
        addCss('style_tab');
        $lo_plan = importVar('lo_plan', false, 0);
        $lo_history = importVar('lo_history', false, 0);
        if ($lo_plan != 0) {
            $current_tab = 'lo_plan';
        }
        if ($lo_history != 0) {
            $current_tab = 'lo_history';
        }
    }
    if ($use_tab && $page_add) {
        addCss('style_tab');
        $lo_plan = importVar('lo_plan', false, 0);
        $lo_history = importVar('lo_history', false, 0);
        if ($lo_plan != 0) {
            $current_tab = 'lo_plan';
        }
        if ($lo_history != 0) {
            $current_tab = 'lo_history';
        }
    }
    require_once $GLOBALS['where_lms'] . '/lib/lib.certificate.php';
    $cert = new Certificate();
    $released = $cert->certificateReleased(getLogUserId());
    $available_cert = $cert->certificateForCourses(false, false);
    // cahce classroom -----------------------------------------------------------------
    $classroom_man = new ClassroomManager();
    $classrooms = $classroom_man->getClassroomNameList();
    $lang =& DoceboLanguage::createInstance('catalogue');
    $lang_c =& DoceboLanguage::createInstance('course');
    $man_course = new Man_Course();
    $subcourse_list = sql_query("" . " SELECT u.idCourse, u.edition_id, level, u.date_inscr, u.date_first_access, " . "\t\tu.date_complete, u.status AS user_status, u.waiting, u.edition_id " . " FROM " . $GLOBALS['prefix_lms'] . "_courseuser AS u" . " WHERE idUser = '******'");
    $subscription = array();
    while ($cinfo = mysql_fetch_assoc($subcourse_list)) {
        $subscription['course'][$cinfo['idCourse']] = $cinfo;
        if ($cinfo['edition_id'] != 0) {
            $subscription['edition'][$cinfo['idCourse']][$cinfo['edition_id']] = $cinfo;
        }
    }
    // searching courses ---------------------------------------------------------------
    $select_course = "" . " SELECT c.idCourse, c.course_type, c.idCategory, c.code, c.name, c.description, c.lang_code, c.difficult, " . "\tc.subscribe_method, c.date_begin, c.date_end, c.max_num_subscribe, " . "\tc.selling, c.prize, c.create_date, c.status AS course_status, c.course_edition, " . "\tc.classrooms, c.img_othermaterial, c.course_demo, c.course_vote, " . "\tc.can_subscribe, c.sub_start_date, c.sub_end_date, c.valid_time, c.userStatusOp, c.show_result, u.status AS user_status, u.level " . ", c.use_logo_in_courselist, c.img_course, c.direct_play ";
    $from_course = " FROM " . $GLOBALS['prefix_lms'] . "_course AS c " . "\t JOIN " . $GLOBALS['prefix_lms'] . "_courseuser AS u ";
    $where_course = " c.idCourse = u.idCourse " . " AND u.idUser = '******' " . " AND ( c.status <> '" . CST_PREPARATION . "' OR u.level > 3 )" . " AND c.course_type <> 'assessment' ";
    $selected_year = 0;
    $selected_search = '';
    if (isset($_POST['apply_filter'])) {
        if ($_POST['year']) {
            $where_course .= " AND c.create_date BETWEEN '" . $_POST['year'] . "-01-01 00:00:00' AND '" . $_POST['year'] . "-12-31 23:59:59'";
            $selected_year = $_POST['year'];
        }
        if ($_POST['search'] !== '') {
            $where_course .= " AND c.name LIKE '%" . $_POST['search'] . "%'";
            $selected_search = $_POST['search'];
        }
    }
    $group_by_course = " GROUP BY c.idCourse ";
    $order_course = " ORDER BY ";
    $tablist = Get::sett('tablist_mycourses', '');
    if ($tablist != '') {
        $arr_order_course = explode(',', $tablist);
        $arr_temp = array();
        foreach ($arr_order_course as $key => $value) {
            switch ($value) {
                case 'status':
                    $arr_temp[] = ' u.status ';
                    break;
                case 'code':
                    $arr_temp[] = ' c.code ';
                    break;
                case 'name':
                    $arr_temp[] = ' c.name ';
                    break;
            }
        }
        $order_course = $order_course . implode(', ', $arr_temp);
    }
    if ($order_course == " ORDER BY ") {
        //default without parameter
        $order_course .= " u.status, c.name ";
    }
    // apply search filter --------------------------------------------------------------
    $all_lang = Docebo::langManager()->getAllLangCode();
    $re_course = sql_query($select_course . $from_course . " WHERE " . $where_course . $group_by_course . $order_course);
    // retrive editions ----------------------------------------------------------------
    $select_edition = " SELECT e.* ";
    $from_edition = " FROM " . $GLOBALS["prefix_lms"] . "_course_editions AS e " . " JOIN " . $GLOBALS["prefix_lms"] . "_courseuser AS u ";
    $where_edition = " WHERE e.status <> '" . CST_PREPARATION . "' AND e.id_edition = u.edition_id ";
    $re_edition = sql_query($select_edition . $from_edition . $where_edition);
    // --------------------------------------------------------------------------------
    $editions = array();
    if ($re_edition) {
        while ($edition_elem = mysql_fetch_assoc($re_edition)) {
            $edition_elem['classrooms'] = isset($classrooms[$edition_elem['classrooms']]) ? $classrooms[$edition_elem['classrooms']] : '';
            $editions[$edition_elem["id_course"]][$edition_elem["id_course"]] = $edition_elem;
        }
    }
    $man_courseuser = new Man_CourseUser();
    $ax_comm = new AjaxComment('course', 'lms');
    $comment_count = $ax_comm->getResourceCommentCount();
    $user_score = $man_courseuser->getUserCourseScored(getLogUserId());
    // -----------------------------------------------------------------------------
    $needed_info_for = array();
    if (!empty($subscription['course'])) {
        $id_course_list = array_keys($subscription['course']);
        // find last access to the courses ---------------------------------------------------------------------
        require_once $GLOBALS['where_lms'] . '/lib/lib.track_user.php';
        $last_access_courses = TrackUser::getLastAccessToCourse(getLogUserId());
        // retrive unreaded advice -----------------------------------------------------------------------------
        require_once $GLOBALS['where_lms'] . '/lib/lib.advice.php';
        $advices = Man_Advice::getCountUnreaded(getLogUserId(), $id_course_list, $last_access_courses);
        // retrive unreaded forum messages ---------------------------------------------------------------------
        require_once $GLOBALS['where_lms'] . '/lib/lib.forum.php';
        $forums = Man_Forum::getCountUnreaded(getLogUserId(), $id_course_list, $last_access_courses);
        // retrive new lesson ----------------------------------------------------------------------------------
        require_once $GLOBALS['where_lms'] . '/lib/lib.orgchart.php';
        $org_chart = OrganizationManagement::getCountUnreaded(getLogUserId(), $id_course_list, $last_access_courses);
        if (!empty($path_courses['all_items'])) {
            $needed_info_for = array_diff($path_courses['all_items'], $id_course_list);
        }
        $first_is_scorm = OrganizationManagement::objectFilter($id_course_list, 'scormorg');
        $enroll_list = sql_query("" . " SELECT u.idCourse, u.edition_id, COUNT(*) as number " . " FROM " . $GLOBALS['prefix_lms'] . "_courseuser AS u" . " WHERE u.idCourse IN (" . implode($id_course_list, ',') . ") " . " AND u.level = '3'" . " AND u.status IN ('" . _CUS_CONFIRMED . "', '" . _CUS_SUBSCRIBED . "', '" . _CUS_BEGIN . "', '" . _CUS_END . "', '" . _CUS_SUSPEND . "', '" . _CUS_WAITING_LIST . "')" . " AND u.absent = '0'" . " GROUP BY u.idCourse, u.edition_id ");
        $enrolled = array();
        while ($cinfo = mysql_fetch_assoc($enroll_list)) {
            $enrolled[$cinfo['idCourse']][$cinfo['edition_id']] = $cinfo['number'];
        }
    }
    // search pre-assessment -----------------------------------------------------------
    $select_assess = "" . " SELECT c.idCourse, c.course_type, c.idCategory, c.code, c.name, c.description, c.lang_code, c.difficult, " . "\tc.subscribe_method, c.date_begin, c.date_end, c.max_num_subscribe, " . "\tc.selling, c.prize, c.create_date, c.status AS course_status, c.course_edition, " . "\tc.classrooms, c.img_othermaterial, c.course_demo, c.course_vote, " . "\tc.can_subscribe, c.sub_start_date, c.sub_end_date, c.valid_time, c.userStatusOp, " . "\tu.level, u.date_inscr, u.date_first_access, u.date_complete, u.status AS user_status, u.waiting, c.advance, u.waiting ";
    $from_assess = " FROM " . $GLOBALS['prefix_lms'] . "_course AS c " . "\t JOIN " . $GLOBALS['prefix_lms'] . "_courseuser AS u ";
    $where_assess = " c.idCourse = u.idCourse " . " AND u.idUser = '******' " . " AND c.course_type = 'assessment' " . " AND  ( c.status <> '" . CST_PREPARATION . "' OR u.level > 3 ) " . ($filter == 'level' ? " AND level = '" . $filter_level . "'" : "");
    //." AND ( u.status <> '"._CUS_END."' OR u.level > 3 ) ";
    $preass_list = sql_query($select_assess . $from_assess . " WHERE " . $where_assess . " ORDER BY c.name ");
    // pre assessment list ---------------------------------------------------------------------------------------
    $i = 0;
    if (mysql_num_rows($preass_list) && $current_tab == 'lo_plan') {
        if ($page_add) {
            $GLOBALS['page']->add('<div id="mycourse_asses">' . '<h1>' . $lang_c->def('_ASSESSMENT_LIST') . '</h1>', 'content');
        }
        while ($cinfo = mysql_fetch_assoc($preass_list)) {
            $cinfo['user_score'] = isset($user_score[$cinfo['idCourse']]) ? $user_score[$cinfo['idCourse']] : NULL;
            if (isset($comment_count[$cinfo['idCourse']])) {
                $cinfo['comment_count'] = $comment_count[$cinfo['idCourse']];
            }
            if ($page_add) {
                $GLOBALS['page']->add(dashmyassess($url, $lang_c, $cinfo, $i++), 'content');
            }
        }
        if ($page_add) {
            $GLOBALS['page']->add('</div>', 'content');
        }
    }
    // page intest ------------------------------------------------------------
    require_once $GLOBALS['where_lms'] . '/lib/lib.levels.php';
    $lvl = CourseLevel::getLevels();
    $title = $lang->def('_COURSE_LIST');
    switch ($filter) {
        case "access":
            $title = $lang->def('_COURSE_YOU_CAN_ACCESS');
            break;
        case "expiring":
            $title = $lang->def('_COURSE_EXPIRING');
            break;
        case "subscribed":
            $title = $lang->def('_COURSE_SUBSCRIBED');
            break;
        case "begin":
            $title = $lang->def('_COURSE_BEGIN');
            break;
        case "end":
            $title = $lang->def('_COURSE_END');
            break;
        case "level":
            $title = str_replace('[level]', $lvl[$_GET['filter_on']], $lang->def('_COURSE_AS'));
            break;
    }
    if ($page_add) {
        $GLOBALS['page']->add('<div id="mycourse_list">' . '<h1>' . $title . '</h1>', 'content');
    }
    $i = 0;
    $direct_play = false;
    while ($cinfo = mysql_fetch_assoc($re_course)) {
        $access = Man_Course::canEnterCourse($cinfo);
        if ($cinfo['direct_play'] == 1) {
            $direct_play = true;
        }
        $course_stats['total']++;
        if ($cinfo['user_status'] == _CUS_RESERVED || $cinfo['user_status'] == _CUS_WAITING_LIST) {
            $course_stats['with_wstatus'][$cinfo['user_status']]++;
        } elseif ($access['can']) {
            $course_stats['u_can_enter']++;
        }
        if (isset($course_stats['with_ustatus'][$cinfo['user_status']])) {
            $course_stats['with_ustatus'][$cinfo['user_status']]++;
        } else {
            $course_stats['with_ustatus'][$cinfo['user_status']] = 1;
        }
        if (!isset($course_stats['with_ulevel'][$cinfo['level']])) {
            $course_stats['with_ulevel'][$cinfo['level']] = 1;
        } else {
            $course_stats['with_ulevel'][$cinfo['level']]++;
        }
        if (isset($available_cert[$cinfo['idCourse']])) {
            while (list($id_cert, $certificate) = each($available_cert[$cinfo['idCourse']])) {
                if (!isset($released[$id_cert]) && $cert->canRelease($certificate[CERT_AV_STATUS], $cinfo['user_status'])) {
                    $course_stats['cert_relesable']++;
                }
            }
        }
    }
    if (mysql_num_rows($re_course)) {
        mysql_data_seek($re_course, 0);
    }
    while ($cinfo = mysql_fetch_assoc($re_course)) {
        $cinfo['edition_list'] = isset($editions[$cinfo['idCourse']]) ? $editions[$cinfo['idCourse']] : array();
        $cinfo['user_score'] = isset($user_score[$cinfo['idCourse']]) ? $user_score[$cinfo['idCourse']] : NULL;
        $cinfo['enrolled'] = isset($enrolled[$cinfo['idCourse']]) ? $enrolled[$cinfo['idCourse']] : false;
        if (isset($comment_count[$cinfo['idCourse']])) {
            $cinfo['comment_count'] = $comment_count[$cinfo['idCourse']];
        }
        $cinfo['classrooms'] = isset($classrooms[$cinfo['classrooms']]) ? $classrooms[$cinfo['classrooms']] : '';
        // advertising --------------------------------------------------------------------------------------------
        $cinfo['to_read']['advice'] = isset($advices[$cinfo['idCourse']]) ? $advices[$cinfo['idCourse']] : 0;
        $cinfo['to_read']['forum'] = isset($forums[$cinfo['idCourse']]) ? $forums[$cinfo['idCourse']] : 0;
        $cinfo['to_read']['lobj'] = isset($org_chart[$cinfo['idCourse']]) ? $org_chart[$cinfo['idCourse']] : 0;
        // 10 days in the future
        $range = time() + 10 * 24 * 60 * 60;
        $expiring = false;
        if ($cinfo['date_end'] != '0000-00-00') {
            $time_end = fromDatetimeToTimestamp($cinfo['date_end']);
            if ($range > $time_end) {
                $expiring = true;
                $course_stats['expiring']++;
            }
        }
        if ($cinfo['valid_time'] != '0' && $cinfo['valid_time'] != '' && $cinfo['date_first_access'] != '') {
            $time_first_access = fromDatetimeToTimestamp($cinfo['date_first_access']);
            if ($range > $time_first_access + $cinfo['valid_time'] * 24 * 3600) {
                $expiring = true;
                $course_stats['expiring']++;
            }
        }
        if (isset($first_is_scorm[$cinfo['idCourse']])) {
            $cinfo['first_is_scorm'] = $first_is_scorm[$cinfo['idCourse']];
        } else {
            $cinfo['first_is_scorm'] = false;
        }
        $access = Man_Course::canEnterCourse($cinfo);
        // --------------------------------------------------------------------
        if (!isset($path_courses['all_items'][$cinfo['idCourse']])) {
            // the course is not related with a coursepath, so i can print it --------------
            if ($filter == 'level') {
                if ($subscription['course'][$cinfo['idCourse']]['level'] == $filter_level) {
                    $dash = dashmycourse($url, $lang_c, $subscription, $cinfo, $i++);
                } else {
                    $dash = '';
                }
            } else {
                $dash = dashmycourse($url, $lang_c, $subscription, $cinfo, $i++);
            }
            if ($use_tab == true) {
                if ($course_stats['with_ustatus'][_CUS_END] == $course_stats['total']) {
                    $current_tab = 'lo_history';
                }
                if ($current_tab == 'lo_history') {
                    if ($cinfo['user_status'] == _CUS_END && $page_add) {
                        $GLOBALS['page']->add($dash, 'content');
                    }
                } else {
                    if (($cinfo['user_status'] != _CUS_END || $cinfo['level'] >= 4) && $page_add) {
                        $GLOBALS['page']->add($dash, 'content');
                    }
                }
            } else {
                switch ($filter) {
                    case "access":
                        if ($access['can'] && $page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                        break;
                    case "expiring":
                        if ($expiring && $page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                        break;
                    case "subscribed":
                        if ($cinfo['user_status'] == _CUS_SUBSCRIBED && $page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                        break;
                    case "begin":
                        if ($cinfo['user_status'] == _CUS_BEGIN && $page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                        break;
                    case "end":
                        if ($cinfo['user_status'] == _CUS_END && $page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                        break;
                    case "level":
                        if ($_GET['filter_on'] == $cinfo['level'] && $page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                        break;
                    default:
                        if ($page_add) {
                            $GLOBALS['page']->add($dash, 'content');
                        }
                }
            }
        } else {
            // the course is related with a coursepath, so i must wait to print it ----------
            //$cinfo['prerequisites'] = $path_courses['all_items'][$cinfo['idCourse']]; // <- useless?
            //$courses =array($cinfo['idCourse']=>$cinfo);
            $prere = $cp_info[$cinfo['idCourse']]["prerequisites"];
            if ($path_man->checkPrerequisites($prere, $subscription)) {
                $cinfo['prerequisites_satisfied'] = true;
            } else {
                $cinfo['prerequisites_satisfied'] = false;
            }
            if ($filter == 'level') {
                if ($subscription['course'][$cinfo['idCourse']]['level'] == $filter_level) {
                    $course_cache[$cinfo['idCourse']] = dashmycourse($url, $lang_c, $subscription, $cinfo, 1, true, 4);
                } else {
                    $course_cache[$cinfo['idCourse']] = '';
                }
            } else {
                $course_cache[$cinfo['idCourse']] = dashmycourse($url, $lang_c, $subscription, $cinfo, 1, true, 4);
            }
        }
        // end else-if -------------------------------------------------------
    }
    //  end while ------------------------------------------------------------
    if ($direct_play && $page_add) {
        $GLOBALS['page']->add('' . '	<link href="' . getPathTemplate() . '/style/shadowbox.css" rel="stylesheet" type="text/css" />' . '<script type="text/javascript" src="' . $GLOBALS['where_framework_relative'] . '/addons/shadowbox/shadowbox-yui.js"></script>' . "\n" . '<script type="text/javascript" src="' . $GLOBALS['where_framework_relative'] . '/addons/shadowbox/shadowbox.js"></script>' . "\n", 'page_head');
        $GLOBALS['page']->add('<script type="text/javascript">
	
		YAHOO.util.Event.onDOMReady(function() {
			var options = { listenOverlay:false, overlayOpacity:"0.8", 
				loadingImage:"' . getPathImage('lms') . 'standard/loading.gif", overlayBgImage:"' . getPathImage('lms') . 'standard/overlay-85.png", 
				text: {close: "' . Lang::t('_CLOSE') . '", cancel: "' . Lang::t('_UNDO') . '", loading:"' . Lang::t('_LOADING') . '" },
				onOpen: function (gallery) { window.onbeforeunload = function() { return "' . Lang::t('_CONFIRM_EXIT', 'organization', 'lms') . '"; } }
		    }; 
			Shadowbox.init(options); 
			Shadowbox.close = function() { 
				window.frames[\'shadowbox_content\'].uiPlayer.closePlayer(true, window);
			}
		});
		</script>');
    }
    if ($course_stats['total'] == 0 && $page_add) {
        $GLOBALS['page']->add('' . '<b>' . $lang->def('_NO_COURSE') . '</b> ' . '<br />', 'content');
    }
    if ($page_add) {
        $GLOBALS['page']->add('</div>', 'content');
    }
    // Coursepath --------------------------------------------------------------
    if (!empty($coursepath)) {
        // find structures of the course path ----------------------------------
        $path_slot = $path_man->getPathSlot(array_keys($coursepath));
        // coursepath list -----------------------------------------------------
        if ($page_add) {
            $GLOBALS['page']->add('<div id="mycoursepath_list">' . '<h1>' . $lang->def('_COURSEPATH_LIST') . '</h1>', 'content');
        }
        $i = 0;
        // find course basilar information -------------------------------------
        if (!empty($needed_info_for)) {
            $course_info = $man_course->getAllCourses(false, false, $needed_info_for);
        } else {
            $course_info = array();
        }
        while (list($id_path, $path) = each($coursepath)) {
            $html = '<div class="coursepath_container coursepath_container_simple">';
            $html .= '<h2>' . ($path[COURSEPATH_CODE] != '' ? '[' . $path[COURSEPATH_CODE] . '] ' : '') . $path[COURSEPATH_NAME] . '</h2>';
            if (!isset($path_courses[$id_path]) || empty($path_courses[$id_path])) {
                $html .= $lang->def('_NO_COURSE_ASSIGNED_TO_COURSEPATH') . '<br />';
            } else {
                // display the slots
                foreach ($path_slot[$id_path] as $id_slot => $slot_info) {
                    if ($id_slot == 0) {
                        $html .= '<h3>' . $lang->def('_MANDATORY') . '</h3>';
                        if (!empty($path_courses[$id_path][$id_slot])) {
                            $html .= '<ul class="coursepath_mainslot">';
                        }
                    } else {
                        if ($slot_info['min_selection'] > 0 && $slot_info['max_selection'] > 0) {
                            $title = str_replace(array('[min_selection]', '[max_selection]'), array($slot_info['min_selection'], $slot_info['max_selection']), $lang->def('_COURSE_PATH_SLOT_MIN_MAX'));
                        } elseif ($slot_info['max_selection'] > 0) {
                            $title = str_replace('[max_selection]', $slot_info['max_selection'], $lang->def('_COURSE_PATH_SLOT_MAX'));
                        } else {
                            $title = $lang->def('_COURSE_PATH_SLOT');
                        }
                        $html .= '<h3>' . $title . '</h3>';
                        if (!empty($path_courses[$id_path][$id_slot])) {
                            $html .= '<ul class="coursepath_otherslot">';
                        }
                    }
                    while (list($id) = each($path_courses[$id_path][$id_slot])) {
                        if (isset($course_cache[$id])) {
                            $html .= '<li>' . $course_cache[$id] . '</li>';
                        } else {
                            $html .= '<li>' . dashAcourse($id, 4) . '</li>';
                        }
                    }
                    if (!empty($path_courses[$id_path][$id_slot])) {
                        $html .= '</ul>';
                    }
                }
            }
            $html .= '</div>';
            if ($page_add) {
                $GLOBALS['page']->add($html, 'content');
            }
        }
        if ($page_add) {
            $GLOBALS['page']->add('</div>', 'content');
        }
    }
    if ($course_stats['cert_relesable'] < 0) {
        $course_stats['cert_relesable'] = 0;
    }
    return $course_stats;
}