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							1027 lines
						
					
					
						
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							1027 lines
						
					
					
						
							40 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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use Chamilo\CoreBundle\Component\Utils\ChamiloApi;
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use ChamiloSession as Session;
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/**
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 * Code.
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 *
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 * @todo use globals or parameters or add this file in the template
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 *
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 * @package chamilo.include
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 */
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/**
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 * Determines the possible tabs (=sections) that are available.
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 * This function is used when creating the tabs in the third header line and
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 * all the sections that do not appear there (as determined by the
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 * platform admin on the Dokeos configuration settings page)
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 * will appear in the right hand menu that appears on several other pages.
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 *
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 * @return array containing all the possible tabs
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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 get_tabs($courseId = null)
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{
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    $courseInfo = api_get_course_info($courseId);
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    $navigation = [];
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    // Campus Homepage
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    $navigation[SECTION_CAMPUS]['url'] = api_get_path(WEB_PATH).'index.php';
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    $navigation[SECTION_CAMPUS]['title'] = get_lang('CampusHomepage');
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    $navigation[SECTION_CAMPUS]['key'] = 'homepage';
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    $navigation[SECTION_CAMPUS]['icon'] = 'homepage.png';
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    $navigation[SECTION_CATALOG]['url'] = api_get_path(WEB_PATH).'main/auth/courses.php';
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    $navigation[SECTION_CATALOG]['title'] = get_lang('Courses');
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    $navigation[SECTION_CATALOG]['key'] = 'catalog';
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    $navigation[SECTION_CATALOG]['icon'] = 'catalog.png';
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    // My Courses
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    if (api_is_allowed_to_create_course()) {
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        // Link to my courses for teachers
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        $navigation['mycourses']['url'] = api_get_path(WEB_PATH).'user_portal.php?nosession=true';
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    } else {
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        // Link to my courses for students
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        $navigation['mycourses']['url'] = api_get_path(WEB_PATH).'user_portal.php';
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    }
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    $navigation['mycourses']['title'] = get_lang('MyCourses');
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    $navigation['mycourses']['key'] = 'my-course';
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    $navigation['mycourses']['icon'] = 'my-course.png';
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    // My Profile
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    $navigation['myprofile']['url'] = api_get_path(WEB_CODE_PATH).'auth/profile.php'
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        .(!empty($courseInfo['path']) ? '?coursePath='.$courseInfo['path'].'&courseCode='.$courseInfo['official_code'] : '');
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    $navigation['myprofile']['title'] = get_lang('ModifyProfile');
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    $navigation['myprofile']['key'] = 'profile';
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    $navigation['myprofile']['icon'] = 'profile.png';
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    // Link to my agenda
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    $navigation['myagenda']['url'] = api_get_path(WEB_CODE_PATH).'calendar/agenda_js.php?type=personal';
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    $navigation['myagenda']['title'] = get_lang('MyAgenda');
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    $navigation['myagenda']['key'] = 'agenda';
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    $navigation['myagenda']['icon'] = 'agenda.png';
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    // Gradebook
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    if (api_get_setting('gradebook_enable') == 'true') {
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        $navigation['mygradebook']['url'] = api_get_path(WEB_CODE_PATH)
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            .'gradebook/gradebook.php'
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            .(!empty($courseInfo['path']) ? '?coursePath='.$courseInfo['path'].'&courseCode='.$courseInfo['official_code'] : '');
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        $navigation['mygradebook']['title'] = get_lang('MyGradebook');
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        $navigation['mygradebook']['key'] = 'gradebook';
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        $navigation['mygradebook']['icon'] = 'gradebook.png';
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    }
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    // Reporting
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    if (api_is_teacher() || api_is_drh() || api_is_session_admin()) {
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        // Link to my space
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        $navigation['session_my_space']['url'] = api_get_path(WEB_CODE_PATH).'mySpace/'
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            .(api_is_drh() ? 'session.php' : '');
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        $navigation['session_my_space']['title'] = get_lang('MySpace');
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        $navigation['session_my_space']['key'] = 'my-space';
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        $navigation['session_my_space']['icon'] = 'my-space.png';
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    } else {
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        if (api_is_student_boss()) {
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            $navigation['session_my_space']['url'] = api_get_path(WEB_CODE_PATH).'mySpace/student.php';
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            $navigation['session_my_space']['title'] = get_lang('MySpace');
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            $navigation['session_my_space']['key'] = 'my-space';
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            $navigation['session_my_space']['icon'] = 'my-space.png';
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        } else {
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            $navigation['session_my_progress']['url'] = api_get_path(WEB_CODE_PATH);
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            // Link to my progress
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            switch (api_get_setting('gamification_mode')) {
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                case 1:
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                    $navigation['session_my_progress']['url'] .= 'gamification/my_progress.php';
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                    break;
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                default:
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                    $navigation['session_my_progress']['url'] .= 'auth/my_progress.php';
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            }
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            $navigation['session_my_progress']['title'] = get_lang('MyProgress');
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            $navigation['session_my_progress']['key'] = 'my-progress';
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            $navigation['session_my_progress']['icon'] = 'my-progress.png';
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        }
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    }
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    // Social
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    if (api_get_setting('allow_social_tool') == 'true') {
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        $navigation['social']['url'] = api_get_path(WEB_CODE_PATH).'social/home.php';
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        $navigation['social']['title'] = get_lang('SocialNetwork');
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        $navigation['social']['key'] = 'social-network';
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        $navigation['social']['icon'] = 'social-network.png';
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    }
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    // Dashboard
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    if (api_is_platform_admin() || api_is_drh() || api_is_session_admin()) {
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        $navigation['dashboard']['url'] = api_get_path(WEB_CODE_PATH).'dashboard/index.php';
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        $navigation['dashboard']['title'] = get_lang('Dashboard');
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        $navigation['dashboard']['key'] = 'dashboard';
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        $navigation['dashboard']['icon'] = 'dashboard.png';
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    }
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    // Custom Tabs See BT#7180
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    $customTabs = getCustomTabs();
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    if (!empty($customTabs)) {
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        foreach ($customTabs as $tab) {
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            if (api_get_setting($tab['variable'], $tab['subkey']) == 'true') {
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                if (!empty($tab['comment']) && $tab['comment'] !== 'ShowTabsComment') {
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                    $navigation[$tab['subkey']]['url'] = $tab['comment'];
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                    // $tab['title'] value must be included in trad4all.inc.php
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                    $navigation[$tab['subkey']]['title'] = get_lang($tab['title']);
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                    $navigation[$tab['subkey']]['key'] = $tab['subkey'];
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                }
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            }
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        }
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    }
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    // End Custom Tabs
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    // Platform administration
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    if (api_is_platform_admin(true)) {
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        $navigation['platform_admin']['url'] = api_get_path(WEB_CODE_PATH).'admin/';
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        $navigation['platform_admin']['title'] = get_lang('PlatformAdmin');
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        $navigation['platform_admin']['key'] = 'admin';
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        $navigation['platform_admin']['icon'] = 'admin.png';
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    }
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    return $navigation;
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}
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/**
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 * This function returns the custom tabs.
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 *
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 * @return array
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 */
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function getCustomTabs()
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{
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    static $customTabs = null;
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    if ($customTabs !== null) {
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        return $customTabs;
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    }
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    $urlId = api_get_current_access_url_id();
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    $isStudent = api_is_student();
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    $cacheAvailable = api_get_configuration_value('apc');
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    if ($cacheAvailable === true) {
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        $apcVar = api_get_configuration_value('apc_prefix').'custom_tabs_url_student_'.($isStudent ? '1' : '0');
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        if (apcu_exists($apcVar)) {
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            return apcu_fetch($apcVar);
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        }
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    }
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    $tableSettingsCurrent = Database::get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
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    $sql = "SELECT * FROM $tableSettingsCurrent
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            WHERE
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                variable = 'show_tabs' AND
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                subkey LIKE 'custom_tab_%' AND access_url = $urlId ";
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    $result = Database::query($sql);
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    $customTabs = [];
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    while ($row = Database::fetch_assoc($result)) {
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        $shouldAdd = true;
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        if (strpos($row['subkey'], Plugin::TAB_FILTER_NO_STUDENT) !== false && $isStudent) {
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            $shouldAdd = false;
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        } elseif (strpos($row['subkey'], Plugin::TAB_FILTER_ONLY_STUDENT) !== false && !$isStudent) {
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            $shouldAdd = false;
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        }
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        if ($shouldAdd) {
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            $customTabs[] = $row;
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        }
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    }
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    if ($cacheAvailable === true) {
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        $apcVar = api_get_configuration_value('apc_prefix').'custom_tabs_url_'.$urlId.'_student_'.($isStudent ? '1' : '0');
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        apcu_store($apcVar, $customTabs, 15);
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    }
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    return $customTabs;
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}
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/**
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 * Return the active logo of the portal, based on a series of settings.
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 *
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 * @param string $theme      The name of the theme folder from web/css/themes/
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						|
 * @param bool   $responsive add class img-responsive
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 *
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 * @return string HTML string with logo as an HTML element
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 */
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function return_logo($theme = '', $responsive = true)
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{
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    $siteName = api_get_setting('siteName');
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    $class = 'img-responsive';
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    if (!$responsive) {
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        $class = '';
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    }
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    if (api_get_configuration_value('mail_header_from_custom_course_logo') == true) {
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        // check if current page is a course page
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        $courseCode = api_get_course_id();
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        if (!empty($courseCode)) {
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            $course = api_get_course_info($courseCode);
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            if (!empty($course) && !empty($course['course_email_image_large'])) {
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                $image = \Display::img(
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                    $course['course_email_image_large'],
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                    $course['name'],
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                    [
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                        'title' => $course['name'],
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                        'class' => $class,
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                        'id' => 'header-logo',
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                    ]
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                );
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                return \Display::url($image, $course['course_public_url']);
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            }
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        }
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    }
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    return ChamiloApi::getPlatformLogo(
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        $theme,
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        [
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            'title' => $siteName,
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            'class' => $class,
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            'id' => 'header-logo',
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        ]
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    );
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}
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 | 
						|
/**
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 * Check if user have access to "who is online" page.
 | 
						|
 *
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 * @param int $userId   The user for whom we want to check
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						|
 * @param int $courseId The course ID for if we want the number of users in the course. Set to 0 for "out of a course context". Leave empty if you want the PHP session info to be used.
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 *
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 * @return bool
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 */
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function accessToWhoIsOnline($userId = null, $courseId = null)
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{
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						|
    if (empty($userId)) {
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        $userId = api_get_user_id();
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						|
    }
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						|
    // If we received 0, treat it as "no course" instead of searching again
 | 
						|
    if ($courseId === null) {
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        $courseId = api_get_course_int_id();
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						|
    }
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    $access = false;
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						|
    if (true === api_get_configuration_value('whoisonline_only_for_admin') && !api_is_platform_admin()) {
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        return false;
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						|
    }
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						|
    if ((api_get_setting('showonline', 'world') == 'true' && !$userId) ||
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        (api_get_setting('showonline', 'users') == 'true' && $userId) ||
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        (api_get_setting('showonline', 'course') == 'true' && $userId && $courseId)
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						|
    ) {
 | 
						|
        $access = true;
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						|
        $profileList = api_get_configuration_value('allow_online_users_by_status');
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						|
        if (!empty($profileList) && isset($profileList['status'])) {
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						|
            $userInfo = api_get_user_info($userId);
 | 
						|
            if ($userInfo['is_admin']) {
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                $userInfo['status'] = PLATFORM_ADMIN;
 | 
						|
            }
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						|
            $profileList = $profileList['status'];
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            $access = false;
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						|
            if (in_array($userInfo['status'], $profileList)) {
 | 
						|
                $access = true;
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						|
            }
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						|
        }
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    }
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    return $access;
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}
 | 
						|
 | 
						|
/**
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						|
 * Return HTML string of a list as <li> items.
 | 
						|
 *
 | 
						|
 * @return string
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 */
 | 
						|
function returnNotificationMenu()
 | 
						|
{
 | 
						|
    $html = '';
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						|
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    $user_id = api_get_user_id();
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    $courseInfo = api_get_course_info();
 | 
						|
    if (accessToWhoIsOnline($user_id, (!empty($courseInfo['real_id']) ?: 0))) {
 | 
						|
        // Display the who's online of the platform
 | 
						|
        if ((api_get_setting('showonline', 'world') == 'true' && !$user_id) ||
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						|
            (api_get_setting('showonline', 'users') == 'true' && $user_id)
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						|
        ) {
 | 
						|
            $number = getOnlineUsersCount();
 | 
						|
            if ($number) {
 | 
						|
                $html .= '<li class="user-online"><a href="'.api_get_path(WEB_PATH).'whoisonline.php" target="_self" title="'
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						|
                    .get_lang('UsersOnline').'" >'
 | 
						|
                    .Display::return_icon('user.png', get_lang('UsersOnline'), [], ICON_SIZE_TINY)
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						|
                    .' '.$number.'</a></li>';
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						|
            }
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						|
        }
 | 
						|
 | 
						|
        // Display the who's online for the course
 | 
						|
        if (
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						|
            is_array($courseInfo) &&
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						|
            api_get_setting('showonline', 'course') == 'true' && isset($courseInfo['sysCode'])
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						|
        ) {
 | 
						|
            $number_online_in_course = getOnlineUsersInCourseCount($user_id, $courseInfo);
 | 
						|
            if ($number_online_in_course) {
 | 
						|
                $html .= '<li class="user-online-course"><a href="'.api_get_path(WEB_PATH).'whoisonline.php?cidReq='.$courseInfo['sysCode']
 | 
						|
                    .'" target="_self">'
 | 
						|
                    .Display::return_icon('course.png', get_lang('UsersOnline').' '.get_lang('InThisCourse'), [], ICON_SIZE_TINY)
 | 
						|
                    .' '.$number_online_in_course.' </a></li>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $sessionId = api_get_session_id();
 | 
						|
        if (!empty($sessionId)) {
 | 
						|
            $allow = api_is_platform_admin(true) ||
 | 
						|
                api_is_coach($sessionId, null, false) ||
 | 
						|
                SessionManager::isUserSubscribedAsStudent($sessionId, api_get_user_id());
 | 
						|
            if ($allow) {
 | 
						|
                $numberOnlineInSession = getOnlineUsersInSessionCount($sessionId);
 | 
						|
                $html .= '<li class="user-online-session">
 | 
						|
                            <a href="'.api_get_path(WEB_PATH).'whoisonlinesession.php" target="_self">'
 | 
						|
                            .Display::return_icon('session.png', get_lang('UsersConnectedToMySessions'), [], ICON_SIZE_TINY)
 | 
						|
                            .' '.$numberOnlineInSession.'</a></li>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return $html;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Return an array with different navigation mennu elements.
 | 
						|
 *
 | 
						|
 * @return array [menu_navigation[], navigation[], possible_tabs[]]
 | 
						|
 */
 | 
						|
function return_navigation_array()
 | 
						|
{
 | 
						|
    $navigation = [];
 | 
						|
    $menu_navigation = [];
 | 
						|
    $possible_tabs = get_tabs();
 | 
						|
 | 
						|
    // Campus Homepage
 | 
						|
    if (api_get_setting('show_tabs', 'campus_homepage') == 'true') {
 | 
						|
        $navigation[SECTION_CAMPUS] = $possible_tabs[SECTION_CAMPUS];
 | 
						|
    } else {
 | 
						|
        $menu_navigation[SECTION_CAMPUS] = $possible_tabs[SECTION_CAMPUS];
 | 
						|
    }
 | 
						|
 | 
						|
    if (api_get_setting('course_catalog_published') == 'true' && api_is_anonymous()) {
 | 
						|
        if (true !== api_get_configuration_value('catalog_hide_public_link')) {
 | 
						|
            $navigation[SECTION_CATALOG] = $possible_tabs[SECTION_CATALOG];
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (api_get_user_id() && !api_is_anonymous()) {
 | 
						|
        // My Courses
 | 
						|
        if (api_get_setting('show_tabs', 'my_courses') == 'true') {
 | 
						|
            $navigation['mycourses'] = $possible_tabs['mycourses'];
 | 
						|
        } else {
 | 
						|
            $menu_navigation['mycourses'] = $possible_tabs['mycourses'];
 | 
						|
        }
 | 
						|
 | 
						|
        // My Profile
 | 
						|
        if (api_get_setting('show_tabs', 'my_profile') == 'true' &&
 | 
						|
            api_get_setting('allow_social_tool') != 'true'
 | 
						|
        ) {
 | 
						|
            $navigation['myprofile'] = $possible_tabs['myprofile'];
 | 
						|
        } else {
 | 
						|
            $menu_navigation['myprofile'] = $possible_tabs['myprofile'];
 | 
						|
        }
 | 
						|
 | 
						|
        // My Agenda
 | 
						|
        if (api_get_setting('show_tabs', 'my_agenda') == 'true') {
 | 
						|
            $navigation['myagenda'] = $possible_tabs['myagenda'];
 | 
						|
        } else {
 | 
						|
            $menu_navigation['myagenda'] = $possible_tabs['myagenda'];
 | 
						|
        }
 | 
						|
 | 
						|
        // Gradebook
 | 
						|
        if (api_get_setting('gradebook_enable') == 'true') {
 | 
						|
            if (api_get_setting('show_tabs', 'my_gradebook') == 'true') {
 | 
						|
                $navigation['mygradebook'] = $possible_tabs['mygradebook'];
 | 
						|
            } else {
 | 
						|
                $menu_navigation['mygradebook'] = $possible_tabs['mygradebook'];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Reporting
 | 
						|
        if (api_get_setting('show_tabs', 'reporting') == 'true') {
 | 
						|
            if (api_is_teacher() || api_is_drh() || api_is_session_admin() || api_is_student_boss()) {
 | 
						|
                $navigation['session_my_space'] = $possible_tabs['session_my_space'];
 | 
						|
            } else {
 | 
						|
                $navigation['session_my_space'] = $possible_tabs['session_my_progress'];
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            if (api_is_teacher() || api_is_drh() || api_is_session_admin() || api_is_student_boss()) {
 | 
						|
                $menu_navigation['session_my_space'] = $possible_tabs['session_my_space'];
 | 
						|
            } else {
 | 
						|
                $menu_navigation['session_my_space'] = $possible_tabs['session_my_progress'];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Social Networking
 | 
						|
        if (api_get_setting('show_tabs', 'social') == 'true') {
 | 
						|
            if (api_get_setting('allow_social_tool') == 'true') {
 | 
						|
                $navigation['social'] = isset($possible_tabs['social']) ? $possible_tabs['social'] : null;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $menu_navigation['social'] = isset($possible_tabs['social']) ? $possible_tabs['social'] : null;
 | 
						|
        }
 | 
						|
 | 
						|
        // Dashboard
 | 
						|
        if (api_get_setting('show_tabs', 'dashboard') == 'true') {
 | 
						|
            if (api_is_platform_admin() || api_is_drh() || api_is_session_admin()) {
 | 
						|
                $navigation['dashboard'] = isset($possible_tabs['dashboard']) ? $possible_tabs['dashboard'] : null;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $menu_navigation['dashboard'] = isset($possible_tabs['dashboard']) ? $possible_tabs['dashboard'] : null;
 | 
						|
        }
 | 
						|
 | 
						|
        $installed = AppPlugin::getInstance()->isInstalled('studentfollowup');
 | 
						|
        if ($installed) {
 | 
						|
            $plugin = StudentFollowUpPlugin::create();
 | 
						|
            // Students
 | 
						|
            $url = api_get_path(WEB_PLUGIN_PATH).'studentfollowup/posts.php';
 | 
						|
            if (api_is_platform_admin() || api_is_drh() || api_is_teacher()) {
 | 
						|
                $url = api_get_path(WEB_PLUGIN_PATH).'studentfollowup/my_students.php';
 | 
						|
            }
 | 
						|
            $navigation['follow_up']['url'] = $url;
 | 
						|
            $navigation['follow_up']['title'] = $plugin->get_lang('CareDetailView');
 | 
						|
            $navigation['follow_up']['key'] = 'homepage';
 | 
						|
            $navigation['follow_up']['icon'] = 'homepage.png';
 | 
						|
        }
 | 
						|
 | 
						|
        // Administration
 | 
						|
        if (api_is_platform_admin(true)) {
 | 
						|
            if (api_get_setting('show_tabs', 'platform_administration') == 'true') {
 | 
						|
                $navigation['platform_admin'] = $possible_tabs['platform_admin'];
 | 
						|
            } else {
 | 
						|
                $menu_navigation['platform_admin'] = $possible_tabs['platform_admin'];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Custom tabs
 | 
						|
        $customTabs = getCustomTabs();
 | 
						|
        if (!empty($customTabs)) {
 | 
						|
            foreach ($customTabs as $tab) {
 | 
						|
                if (api_get_setting($tab['variable'], $tab['subkey']) == 'true' &&
 | 
						|
                    isset($possible_tabs[$tab['subkey']])
 | 
						|
                ) {
 | 
						|
                    $possible_tabs[$tab['subkey']]['url'] = api_get_path(WEB_PATH).$possible_tabs[$tab['subkey']]['url'];
 | 
						|
                    $navigation[$tab['subkey']] = $possible_tabs[$tab['subkey']];
 | 
						|
                } else {
 | 
						|
                    if (isset($possible_tabs[$tab['subkey']])) {
 | 
						|
                        $possible_tabs[$tab['subkey']]['url'] = api_get_path(WEB_PATH).$possible_tabs[$tab['subkey']]['url'];
 | 
						|
                        $menu_navigation[$tab['subkey']] = $possible_tabs[$tab['subkey']];
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        // Show custom tabs that are specifically marked as public
 | 
						|
        $customTabs = getCustomTabs();
 | 
						|
        if (!empty($customTabs)) {
 | 
						|
            foreach ($customTabs as $tab) {
 | 
						|
                if (api_get_setting($tab['variable'], $tab['subkey']) == 'true' &&
 | 
						|
                    isset($possible_tabs[$tab['subkey']]) &&
 | 
						|
                    api_get_plugin_setting(strtolower(str_replace('Tabs', '', $tab['subkeytext'])), 'public_main_menu_tab') == 'true'
 | 
						|
                ) {
 | 
						|
                    $possible_tabs[$tab['subkey']]['url'] = api_get_path(WEB_PATH).$possible_tabs[$tab['subkey']]['url'];
 | 
						|
                    $navigation[$tab['subkey']] = $possible_tabs[$tab['subkey']];
 | 
						|
                } else {
 | 
						|
                    if (isset($possible_tabs[$tab['subkey']])) {
 | 
						|
                        $possible_tabs[$tab['subkey']]['url'] = api_get_path(WEB_PATH).$possible_tabs[$tab['subkey']]['url'];
 | 
						|
                        $menu_navigation[$tab['subkey']] = $possible_tabs[$tab['subkey']];
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return [
 | 
						|
        'menu_navigation' => $menu_navigation,
 | 
						|
        'navigation' => $navigation,
 | 
						|
        'possible_tabs' => $possible_tabs,
 | 
						|
    ];
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Return the navigation menu elements as a flat array.
 | 
						|
 *
 | 
						|
 * @return array
 | 
						|
 */
 | 
						|
function menuArray()
 | 
						|
{
 | 
						|
    $mainNavigation = return_navigation_array();
 | 
						|
    unset($mainNavigation['possible_tabs']);
 | 
						|
    unset($mainNavigation['menu_navigation']);
 | 
						|
    //$navigation = $navigation['navigation'];
 | 
						|
    // Get active language
 | 
						|
    $lang = api_get_setting('platformLanguage');
 | 
						|
    if (!empty($_SESSION['user_language_choice'])) {
 | 
						|
        $lang = $_SESSION['user_language_choice'];
 | 
						|
    } elseif (!empty($_SESSION['_user']['language'])) {
 | 
						|
        $lang = $_SESSION['_user']['language'];
 | 
						|
    }
 | 
						|
 | 
						|
    // Preparing home folder for multiple urls
 | 
						|
    if (api_get_multiple_access_url()) {
 | 
						|
        $access_url_id = api_get_current_access_url_id();
 | 
						|
        if ($access_url_id != -1) {
 | 
						|
            // If not a dead URL
 | 
						|
            $urlInfo = api_get_access_url($access_url_id);
 | 
						|
            $url = api_remove_trailing_slash(preg_replace('/https?:\/\//i', '', $urlInfo['url']));
 | 
						|
            $cleanUrl = api_replace_dangerous_char($url);
 | 
						|
            $cleanUrl = str_replace('/', '-', $cleanUrl);
 | 
						|
            $cleanUrl .= '/';
 | 
						|
            $homepath = api_get_path(SYS_HOME_PATH).$cleanUrl; //homep for Home Path
 | 
						|
 | 
						|
            //we create the new dir for the new sites
 | 
						|
            if (!is_dir($homepath)) {
 | 
						|
                mkdir($homepath, api_get_permissions_for_new_directories());
 | 
						|
            }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        $homepath = api_get_path(SYS_HOME_PATH);
 | 
						|
    }
 | 
						|
    $ext = '.html';
 | 
						|
    $menuTabs = 'home_tabs';
 | 
						|
    $menuTabsLoggedIn = 'home_tabs_logged_in';
 | 
						|
    $pageContent = '';
 | 
						|
    // Get the extra page content, containing the links to add to the tabs
 | 
						|
    if (is_file($homepath.$menuTabs.'_'.$lang.$ext) && is_readable($homepath.$menuTabs.'_'.$lang.$ext)) {
 | 
						|
        $pageContent = @(string) file_get_contents($homepath.$menuTabs.'_'.$lang.$ext);
 | 
						|
    } elseif (is_file($homepath.$menuTabs.$lang.$ext) && is_readable($homepath.$menuTabs.$lang.$ext)) {
 | 
						|
        $pageContent = @(string) file_get_contents($homepath.$menuTabs.$lang.$ext);
 | 
						|
    }
 | 
						|
    // Sanitize page content
 | 
						|
    $pageContent = api_to_system_encoding($pageContent, api_detect_encoding(strip_tags($pageContent)));
 | 
						|
    $open = str_replace('{rel_path}', api_get_path(REL_PATH), $pageContent);
 | 
						|
    $open = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
 | 
						|
    // Get the extra page content, containing the links to add to the tabs
 | 
						|
    //  that are only for users already logged in
 | 
						|
    $openMenuTabsLoggedIn = '';
 | 
						|
    if (api_get_user_id() && !api_is_anonymous()) {
 | 
						|
        if (is_file($homepath.$menuTabsLoggedIn.'_'.$lang.$ext) && is_readable(
 | 
						|
                $homepath.$menuTabsLoggedIn.'_'.$lang.$ext
 | 
						|
            )
 | 
						|
        ) {
 | 
						|
            $pageContent = @(string) file_get_contents($homepath.$menuTabsLoggedIn.'_'.$lang.$ext);
 | 
						|
            $pageContent = str_replace('::private', '', $pageContent);
 | 
						|
        } elseif (is_file($homepath.$menuTabsLoggedIn.$lang.$ext) && is_readable(
 | 
						|
                $homepath.$menuTabsLoggedIn.$lang.$ext
 | 
						|
            )
 | 
						|
        ) {
 | 
						|
            $pageContent = @(string) file_get_contents($homepath.$menuTabsLoggedIn.$lang.$ext);
 | 
						|
            $pageContent = str_replace('::private', '', $pageContent);
 | 
						|
        }
 | 
						|
 | 
						|
        $pageContent = api_to_system_encoding($pageContent, api_detect_encoding(strip_tags($pageContent)));
 | 
						|
        $openMenuTabsLoggedIn = str_replace('{rel_path}', api_get_path(REL_PATH), $pageContent);
 | 
						|
        $openMenuTabsLoggedIn = api_to_system_encoding(
 | 
						|
            $openMenuTabsLoggedIn,
 | 
						|
            api_detect_encoding(strip_tags($openMenuTabsLoggedIn))
 | 
						|
        );
 | 
						|
    }
 | 
						|
    if (!empty($open) || !empty($openMenuTabsLoggedIn)) {
 | 
						|
        if (strpos($open.$openMenuTabsLoggedIn, 'show_menu') !== false) {
 | 
						|
            $list = explode("\n", api_get_user_id() && !api_is_anonymous() ? $openMenuTabsLoggedIn : $open);
 | 
						|
 | 
						|
            foreach ($list as $link) {
 | 
						|
                if (strpos($link, 'class="hide_menu"') !== false) {
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                $matches = [];
 | 
						|
                $match = preg_match('$href="([^"]*)" target="([^"]*)">([^<]*)</a>$', $link, $matches);
 | 
						|
 | 
						|
                if (!$match) {
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                $mainNavigation['navigation'][$matches[3]] = [
 | 
						|
                    'url' => $matches[1],
 | 
						|
                    'target' => $matches[2],
 | 
						|
                    'title' => $matches[3],
 | 
						|
                    'key' => 'page-'.str_replace(' ', '-', strtolower($matches[3])),
 | 
						|
                ];
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (count($mainNavigation['navigation']) > 0) {
 | 
						|
        //$pre_lis = '';
 | 
						|
        $activeSection = '';
 | 
						|
        foreach ($mainNavigation['navigation'] as $section => $navigation_info) {
 | 
						|
            $key = (!empty($navigation_info['key']) ? 'tab-'.$navigation_info['key'] : '');
 | 
						|
 | 
						|
            if (isset($GLOBALS['this_section'])) {
 | 
						|
                $tempSection = $section;
 | 
						|
                if ($section == 'social') {
 | 
						|
                    $tempSection = 'social-network';
 | 
						|
                }
 | 
						|
                if ($tempSection == $GLOBALS['this_section']) {
 | 
						|
                    $activeSection = $section;
 | 
						|
                }
 | 
						|
                // If we're on the index page and a specific extra link has been
 | 
						|
                // loaded
 | 
						|
                if ($GLOBALS['this_section'] == SECTION_CAMPUS) {
 | 
						|
                    if (!empty($_GET['include'])) {
 | 
						|
                        $name = str_replace(' ', '-', strtolower($navigation_info['title'])).'_'.$lang.$ext;
 | 
						|
                        if (strtolower($_GET['include']) == $name) {
 | 
						|
                            $activeSection = $section;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                $current = '';
 | 
						|
            }
 | 
						|
            $mainNavigation['navigation'][$section]['current'] = '';
 | 
						|
        }
 | 
						|
        if (!empty($activeSection)) {
 | 
						|
            $mainNavigation['navigation'][$activeSection]['current'] = 'active';
 | 
						|
        }
 | 
						|
    }
 | 
						|
    unset($mainNavigation['navigation']['myprofile']);
 | 
						|
 | 
						|
    return $mainNavigation['navigation'];
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Return the breadcrumb menu elements as an array of <li> items.
 | 
						|
 *
 | 
						|
 * @param array  $interbreadcrumb The elements to add to the breadcrumb
 | 
						|
 * @param string $language_file   Deprecated
 | 
						|
 * @param string $nameTools       The name of the current tool (not linked)
 | 
						|
 *
 | 
						|
 * @return string HTML string of <li> items
 | 
						|
 */
 | 
						|
function return_breadcrumb($interbreadcrumb, $language_file, $nameTools)
 | 
						|
{
 | 
						|
    // This configuration option allows you to completely hide the breadcrumb
 | 
						|
    if (api_get_configuration_value('breadcrumb_hide') == true) {
 | 
						|
        return '';
 | 
						|
    }
 | 
						|
    $courseInfo = api_get_course_info();
 | 
						|
    $user_id = api_get_user_id();
 | 
						|
    $additionalBlocks = '';
 | 
						|
 | 
						|
    /*  Plugins for banner section */
 | 
						|
    $web_course_path = api_get_path(WEB_COURSE_PATH);
 | 
						|
 | 
						|
    /* If the user is a coach he can see the users who are logged in its session */
 | 
						|
    $navigation = [];
 | 
						|
 | 
						|
    $sessionId = api_get_session_id();
 | 
						|
    // part 1: Course Homepage. If we are in a course then the first breadcrumb
 | 
						|
    // is a link to the course homepage
 | 
						|
    if (!empty($courseInfo) && !isset($_GET['hide_course_breadcrumb'])) {
 | 
						|
        $sessionName = '';
 | 
						|
        if (!empty($sessionId)) {
 | 
						|
            /** @var \Chamilo\CoreBundle\Entity\Session $session */
 | 
						|
            $session = Database::getManager()->find('ChamiloCoreBundle:Session', $sessionId);
 | 
						|
            $sessionName = $session ? ' ('.cut(Security::remove_XSS($session->getName()), MAX_LENGTH_BREADCRUMB).')' : '';
 | 
						|
        }
 | 
						|
 | 
						|
        $courseInfo['name'] = api_htmlentities($courseInfo['name']);
 | 
						|
        $course_title = cut($courseInfo['name'], MAX_LENGTH_BREADCRUMB);
 | 
						|
 | 
						|
        switch (api_get_setting('breadcrumbs_course_homepage')) {
 | 
						|
            case 'get_lang':
 | 
						|
                $itemTitle = Display::return_icon(
 | 
						|
                    'home.png',
 | 
						|
                    get_lang('CourseHomepageLink'),
 | 
						|
                    [],
 | 
						|
                    ICON_SIZE_TINY
 | 
						|
                );
 | 
						|
                break;
 | 
						|
            case 'course_code':
 | 
						|
                $itemTitle = Display::return_icon(
 | 
						|
                    'home.png',
 | 
						|
                    $courseInfo['official_code'],
 | 
						|
                    [],
 | 
						|
                    ICON_SIZE_TINY
 | 
						|
                )
 | 
						|
                .' '.$courseInfo['official_code'];
 | 
						|
                break;
 | 
						|
            case 'session_name_and_course_title':
 | 
						|
            default:
 | 
						|
                $itemTitle = Display::return_icon(
 | 
						|
                    'home.png',
 | 
						|
                    $courseInfo['name'].$sessionName,
 | 
						|
                    [],
 | 
						|
                    ICON_SIZE_TINY
 | 
						|
                )
 | 
						|
                .' '.$course_title.$sessionName;
 | 
						|
 | 
						|
                if (!empty($sessionId) && ($session->getDuration() && !api_is_allowed_to_edit())) {
 | 
						|
                    $daysLeft = SessionManager::getDayLeftInSession(
 | 
						|
                        ['id' => $session->getId(), 'duration' => $session->getDuration()],
 | 
						|
                        $user_id
 | 
						|
                    );
 | 
						|
 | 
						|
                    if ($daysLeft >= 0) {
 | 
						|
                        $additionalBlocks .= Display::return_message(
 | 
						|
                            sprintf(get_lang('SessionDurationXDaysLeft'), $daysLeft),
 | 
						|
                            'information'
 | 
						|
                        );
 | 
						|
                    } else {
 | 
						|
                        $additionalBlocks .= Display::return_message(
 | 
						|
                            get_lang('YourSessionTimeHasExpired'),
 | 
						|
                            'warning'
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                break;
 | 
						|
        }
 | 
						|
 | 
						|
        /**
 | 
						|
         * @todo could be useful adding the My courses in the breadcrumb
 | 
						|
         * $navigation_item_my_courses['title'] = get_lang('MyCourses');
 | 
						|
         * $navigation_item_my_courses['url'] = api_get_path(WEB_PATH).'user_portal.php';
 | 
						|
         * $navigation[] = $navigation_item_my_courses;
 | 
						|
         */
 | 
						|
        $navigation[] = [
 | 
						|
            'url' => $web_course_path.$courseInfo['path'].'/index.php?id_session='.$sessionId,
 | 
						|
            'title' => $itemTitle,
 | 
						|
        ];
 | 
						|
    }
 | 
						|
 | 
						|
    /* part 2: Interbreadcrumbs. If there is an array $interbreadcrumb
 | 
						|
    defined then these have to appear before the last breadcrumb
 | 
						|
    (which is the tool itself)*/
 | 
						|
    if (isset($interbreadcrumb) && is_array($interbreadcrumb)) {
 | 
						|
        foreach ($interbreadcrumb as $breadcrumb_step) {
 | 
						|
            if (isset($breadcrumb_step['type']) && $breadcrumb_step['type'] == 'right') {
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
            if ($breadcrumb_step['url'] != '#') {
 | 
						|
                $sep = strrchr($breadcrumb_step['url'], '?') ? '&' : '?';
 | 
						|
                $courseParams = strpos($breadcrumb_step['url'], 'cidReq') === false ? api_get_cidreq() : '';
 | 
						|
                $navigation_item['url'] = $breadcrumb_step['url'].$sep.$courseParams;
 | 
						|
            } else {
 | 
						|
                $navigation_item['url'] = '#';
 | 
						|
            }
 | 
						|
            $navigation_item['title'] = $breadcrumb_step['name'];
 | 
						|
            // titles for shared folders
 | 
						|
            if ($breadcrumb_step['name'] == 'shared_folder') {
 | 
						|
                $navigation_item['title'] = get_lang('UserFolders');
 | 
						|
            } elseif (strstr($breadcrumb_step['name'], 'shared_folder_session_')) {
 | 
						|
                $navigation_item['title'] = get_lang('UserFolders');
 | 
						|
            } elseif (strstr($breadcrumb_step['name'], 'sf_user_')) {
 | 
						|
                $userinfo = api_get_user_info(substr($breadcrumb_step['name'], 8));
 | 
						|
                $navigation_item['title'] = $userinfo['complete_name'];
 | 
						|
            } elseif ($breadcrumb_step['name'] == 'chat_files') {
 | 
						|
                $navigation_item['title'] = get_lang('ChatFiles');
 | 
						|
            } elseif ($breadcrumb_step['name'] == 'images') {
 | 
						|
                $navigation_item['title'] = get_lang('Images');
 | 
						|
            } elseif ($breadcrumb_step['name'] == 'video') {
 | 
						|
                $navigation_item['title'] = get_lang('Video');
 | 
						|
            } elseif ($breadcrumb_step['name'] == 'audio') {
 | 
						|
                $navigation_item['title'] = get_lang('Audio');
 | 
						|
            } elseif ($breadcrumb_step['name'] == 'flash') {
 | 
						|
                $navigation_item['title'] = get_lang('Flash');
 | 
						|
            } elseif ($breadcrumb_step['name'] == 'gallery') {
 | 
						|
                $navigation_item['title'] = get_lang('Gallery');
 | 
						|
            }
 | 
						|
            // Fixes breadcrumb title now we applied the Security::remove_XSS and
 | 
						|
            // we cut the string depending of the MAX_LENGTH_BREADCRUMB value
 | 
						|
            $navigation_item['title'] = cut($navigation_item['title'], MAX_LENGTH_BREADCRUMB);
 | 
						|
            $navigation_item['title'] = Security::remove_XSS($navigation_item['title']);
 | 
						|
 | 
						|
            $navigation[] = $navigation_item;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    $navigation_right = [];
 | 
						|
    if (isset($interbreadcrumb) && is_array($interbreadcrumb)) {
 | 
						|
        foreach ($interbreadcrumb as $breadcrumb_step) {
 | 
						|
            if (isset($breadcrumb_step['type']) && $breadcrumb_step['type'] == 'right') {
 | 
						|
                if ($breadcrumb_step['url'] != '#') {
 | 
						|
                    $sep = (strrchr($breadcrumb_step['url'], '?') ? '&' : '?');
 | 
						|
                    $navigation_item['url'] = $breadcrumb_step['url'].$sep.api_get_cidreq();
 | 
						|
                } else {
 | 
						|
                    $navigation_item['url'] = '#';
 | 
						|
                }
 | 
						|
                $breadcrumb_step['title'] = cut($navigation_item['title'], MAX_LENGTH_BREADCRUMB);
 | 
						|
                $breadcrumb_step['title'] = Security::remove_XSS($navigation_item['title']);
 | 
						|
                $navigation_right[] = $breadcrumb_step;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    // part 3: The tool itself. If we are on the course homepage we do not want
 | 
						|
    // to display the title of the course because this
 | 
						|
    // is the same as the first part of the breadcrumbs (see part 1)
 | 
						|
    if (isset($nameTools)) {
 | 
						|
        $navigation_item['url'] = '#';
 | 
						|
        $navigation_item['title'] = $nameTools;
 | 
						|
        $navigation[] = $navigation_item;
 | 
						|
    }
 | 
						|
 | 
						|
    $final_navigation = [];
 | 
						|
    $counter = 0;
 | 
						|
    foreach ($navigation as $index => $navigation_info) {
 | 
						|
        if (!empty($navigation_info['title'])) {
 | 
						|
            if ($navigation_info['url'] == '#') {
 | 
						|
                $final_navigation[$index] = $navigation_info['title'];
 | 
						|
            } else {
 | 
						|
                $final_navigation[$index] = '<a href="'.$navigation_info['url'].'" target="_self">'.$navigation_info['title'].'</a>';
 | 
						|
            }
 | 
						|
            $counter++;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    $html = '';
 | 
						|
 | 
						|
    /* Part 4 . Show the teacher view/student view button at the right of the breadcrumb */
 | 
						|
    $view_as_student_link = null;
 | 
						|
    if ($user_id && !empty($courseInfo)) {
 | 
						|
        if ((
 | 
						|
                api_is_course_admin() ||
 | 
						|
                api_is_platform_admin() ||
 | 
						|
                api_is_coach(null, null, false)
 | 
						|
            ) &&
 | 
						|
            api_get_setting('student_view_enabled') === 'true' && api_get_course_info()
 | 
						|
        ) {
 | 
						|
            $view_as_student_link = api_display_tool_view_option();
 | 
						|
 | 
						|
            // Only show link if LP can be editable
 | 
						|
            /** @var learnpath $learnPath */
 | 
						|
            $learnPath = Session::read('oLP');
 | 
						|
            if (!empty($learnPath) && !empty($view_as_student_link)) {
 | 
						|
                if ((int) $learnPath->get_lp_session_id() != (int) api_get_session_id()) {
 | 
						|
                    $view_as_student_link = '';
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (!empty($final_navigation)) {
 | 
						|
        $lis = '';
 | 
						|
        $i = 0;
 | 
						|
        $final_navigation_count = count($final_navigation);
 | 
						|
        if (!empty($final_navigation)) {
 | 
						|
            if (!empty($home_link)) {
 | 
						|
                $lis .= Display::tag('li', $home_link);
 | 
						|
            }
 | 
						|
 | 
						|
            foreach ($final_navigation as $bread) {
 | 
						|
                $bread_check = trim(strip_tags($bread));
 | 
						|
                if (!empty($bread_check)) {
 | 
						|
                    if ($final_navigation_count - 1 > $i) {
 | 
						|
                        $bread .= '';
 | 
						|
                    }
 | 
						|
                    $lis .= Display::tag('li', $bread, ['class' => 'active']);
 | 
						|
                    $i++;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            if (!empty($home_link)) {
 | 
						|
                $lis .= Display::tag('li', $home_link);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // View as student/teacher link
 | 
						|
        if (!empty($view_as_student_link)) {
 | 
						|
            $html .= Display::tag('div', $view_as_student_link, ['id' => 'view_as_link', 'class' => 'pull-right']);
 | 
						|
        }
 | 
						|
 | 
						|
        if ($sessionId && !empty($courseInfo) &&
 | 
						|
            (
 | 
						|
                api_is_platform_admin()
 | 
						|
                || (CourseManager::is_course_teacher($user_id, $courseInfo['code']))
 | 
						|
            )
 | 
						|
        ) {
 | 
						|
            $url = Display::url(
 | 
						|
                Display::return_icon('course.png', get_lang('Course')),
 | 
						|
                $courseInfo['course_public_url'].'?id_session=0',
 | 
						|
                ['class' => 'btn btn-default btn-sm', 'target' => '_blank']
 | 
						|
            );
 | 
						|
            $button = Display::tag('div', $url, ['class' => 'view-options']);
 | 
						|
            $html .= Display::tag('div', $button, ['id' => 'view_as_link', 'class' => 'pull-right']);
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($navigation_right)) {
 | 
						|
            foreach ($navigation_right as $item) {
 | 
						|
                $extra_class = isset($item['class']) ? $item['class'] : null;
 | 
						|
                $lis .= Display::tag(
 | 
						|
                    'li',
 | 
						|
                    $item['title'],
 | 
						|
                    ['class' => $extra_class.' pull-right']
 | 
						|
                );
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($lis)) {
 | 
						|
            $html .= Display::tag('ul', $lis, ['class' => 'breadcrumb']);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return $html.$additionalBlocks;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Helper function to get the number of users online, using cache if available.
 | 
						|
 *
 | 
						|
 * @param int $minutes Number of minutes (how many users were active in those last X minutes?)
 | 
						|
 *
 | 
						|
 * @return int The number of users currently online
 | 
						|
 */
 | 
						|
function getOnlineUsersCount($minutes = null)
 | 
						|
{
 | 
						|
    $number = 0;
 | 
						|
    $limit = !empty($minutes) ? intval($minutes) : api_get_setting('time_limit_whosonline');
 | 
						|
    $cacheAvailable = api_get_configuration_value('apc');
 | 
						|
    if ($cacheAvailable === true) {
 | 
						|
        $apcVar = api_get_configuration_value('apc_prefix').'my_campus_whoisonline_count_simple_'.$minutes;
 | 
						|
        if (apcu_exists($apcVar)) {
 | 
						|
            $number = apcu_fetch($apcVar);
 | 
						|
        } else {
 | 
						|
            $number = who_is_online_count($limit);
 | 
						|
            apcu_store($apcVar, $number, 15);
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        $number = who_is_online_count($limit);
 | 
						|
    }
 | 
						|
 | 
						|
    return $number;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Helper function to get the number of users online in a course, using cache if available.
 | 
						|
 *
 | 
						|
 * @param int   $userId     The user ID
 | 
						|
 * @param array $courseInfo The course details
 | 
						|
 *
 | 
						|
 * @return int The number of users currently online
 | 
						|
 */
 | 
						|
function getOnlineUsersInCourseCount($userId, $courseInfo)
 | 
						|
{
 | 
						|
    $cacheAvailable = api_get_configuration_value('apc');
 | 
						|
    $numberOnlineInCourse = 0;
 | 
						|
    if (!empty($courseInfo['id'])) {
 | 
						|
        if ($cacheAvailable === true) {
 | 
						|
            $apcVar = api_get_configuration_value('apc_prefix').'my_campus_whoisonline_count_simple_'.$courseInfo['id'];
 | 
						|
            if (apcu_exists($apcVar)) {
 | 
						|
                $numberOnlineInCourse = apcu_fetch($apcVar);
 | 
						|
            } else {
 | 
						|
                $numberOnlineInCourse = who_is_online_in_this_course_count(
 | 
						|
                    $userId,
 | 
						|
                    api_get_setting('time_limit_whosonline'),
 | 
						|
                    $courseInfo['id']
 | 
						|
                );
 | 
						|
                apcu_store(
 | 
						|
                    $apcVar,
 | 
						|
                    $numberOnlineInCourse,
 | 
						|
                    15
 | 
						|
                );
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $numberOnlineInCourse = who_is_online_in_this_course_count(
 | 
						|
                $userId,
 | 
						|
                api_get_setting('time_limit_whosonline'),
 | 
						|
                $courseInfo['id']
 | 
						|
            );
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return $numberOnlineInCourse;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Helper function to get the number of users online in a session, using cache if available.
 | 
						|
 *
 | 
						|
 * @param int $sessionId The session ID
 | 
						|
 *
 | 
						|
 * @return int The number of users currently online
 | 
						|
 */
 | 
						|
function getOnlineUsersInSessionCount($sessionId)
 | 
						|
{
 | 
						|
    $cacheAvailable = api_get_configuration_value('apc');
 | 
						|
 | 
						|
    if (!$sessionId) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
    if ($cacheAvailable === true) {
 | 
						|
        $apcVar = api_get_configuration_value('apc_prefix').'my_campus_whoisonline_session_count_simple_'.$sessionId;
 | 
						|
 | 
						|
        if (apcu_exists($apcVar)) {
 | 
						|
            return apcu_fetch($apcVar);
 | 
						|
        }
 | 
						|
 | 
						|
        $numberOnlineInCourse = whoIsOnlineInThisSessionCount(
 | 
						|
            api_get_setting('time_limit_whosonline'),
 | 
						|
            $sessionId
 | 
						|
        );
 | 
						|
        apcu_store($apcVar, $numberOnlineInCourse, 15);
 | 
						|
 | 
						|
        return $numberOnlineInCourse;
 | 
						|
    }
 | 
						|
 | 
						|
    return whoIsOnlineInThisSessionCount(
 | 
						|
        api_get_setting('time_limit_whosonline'),
 | 
						|
        $sessionId
 | 
						|
    );
 | 
						|
}
 | 
						|
 |