chamilo-lms/whoisonlinesession.php

<?php
/* For licensing terms, see /license.txt */

/**
 * Shows who is online in a specific session.
 *
 * @package chamilo.main
 */
require_once './main/inc/global.inc.php';

api_block_anonymous_users();

$userId = api_get_user_id();
if (empty($userId)) {
    api_not_allowed(true);
}

$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);

/**
 * Header
 * include the HTTP, HTML headers plus the top banner.
 */
Display::display_header(get_lang('UserOnlineListSession'));
?>
<br />
<table class="data_table">
    <tr class="tableName">
        <td colspan="4">
            <strong><?php echo get_lang('UserOnlineListSession'); ?></strong>
        </td>
    </tr>
    <tr>
        <th>
            <?php echo get_lang('Name'); ?>
        </th>
        <th>
            <?php echo get_lang('InCourse'); ?>
        </th>
        <th>
            <?php echo get_lang('Email'); ?>
        </th>
        <th>
            <?php echo get_lang('Chat'); ?>
        </th>
    </tr>
<?php
$session_is_coach = [];
$sql = "SELECT DISTINCT session.id,
            name,
            access_start_date,
            access_end_date
        FROM $tbl_session as session
        INNER JOIN $tbl_session_course_user as srcru
        ON 
            srcru.user_id = ".$userId." AND 
            srcru.status=2 AND 
            session.id = srcru.session_id
        ORDER BY access_start_date, access_end_date, name";
$result = Database::query($sql);

while ($session = Database:: fetch_array($result)) {
    $session_is_coach[$session['id']] = $session;
}

$sql = "SELECT DISTINCT session.id,
            name,
            access_start_date,
            access_end_date
        FROM $tbl_session as session
        WHERE session.id_coach = ".$userId."
        ORDER BY access_start_date, access_end_date, name";
$result = Database::query($sql);
while ($session = Database:: fetch_array($result)) {
    $session_is_coach[$session['id']] = $session;
}

if (empty($time_limit)) {
    $time_limit = api_get_setting('time_limit_whosonline');
} else {
    $time_limit = 60;
}


$urlCondition = '';
$urlJoin = '';
if (api_is_multiple_url_enabled()) {
    $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
    $urlId = api_get_current_access_url_id();
    $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = user.id) ";
    $urlCondition = " AND a.access_url_id = $urlId ";
}

$online_time = time() - $time_limit * 60;
$current_date = api_get_utc_datetime($online_time);
$students_online = [];
foreach ($session_is_coach as $session) {
    $sql = "SELECT DISTINCT last_access.login_user_id,
                last_access.login_date,
                last_access.c_id,
                last_access.session_id,
                ".(api_is_western_name_order() ? "CONCAT(user.firstname,' ',user.lastname)" : "CONCAT(user.lastname,' ',user.firstname)")." as name,
                user.email
            FROM ".Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE)." AS last_access
            INNER JOIN ".Database::get_main_table(TABLE_MAIN_USER)." AS user
            ON user.id = last_access.login_user_id
            $urlJoin
            WHERE 
                session_id ='".$session['id']."' AND 
                login_date >= '$current_date'
                $urlCondition            
            GROUP BY login_user_id";

    $result = Database::query($sql);
    while ($user_list = Database::fetch_array($result)) {
        $students_online[$user_list['login_user_id']] = $user_list;
    }
}

if (count($students_online) > 0) {
    foreach ($students_online as $student_online) {
        echo "<tr>
                <td>
            ";
        echo $student_online['name'];
        echo "	</td>
                <td>
             ";
        $courseInfo = api_get_course_info_by_id($student_online['c_id']);
        echo $courseInfo['title'];
        echo "	</td>
                <td>
             ";
        if (!empty($student_online['email'])) {
            echo $student_online['email'];
        } else {
            echo get_lang('NoEmail');
        }
        echo "	</td>
                <td>
             ";
        echo '<a 
                target="_blank" 
                href="main/chat/chat.php?cidReq='.$courseInfo['code'].'&id_session='.$student_online['session_id'].'"> -> </a>';
        echo "	</td>
            </tr>
             ";
    }
} else {
    echo '	<tr>
                <td colspan="4">
                    '.get_lang('NoOnlineStudents').'
                </td>
            </tr>
         ';
}

?>
</table>
<?php

Display::display_footer();