mod-choice MDL-19805 Added PAGE->set_url calls and removed deprecated functions

[moodle.git] / mod / chat / gui_header_js / users.php

<?php  // $Id$

    define('NO_MOODLE_COOKIES', true); // session not used here

    require('../../../config.php');
    require('../lib.php');

    $chat_sid   = required_param('chat_sid', PARAM_ALPHANUM);
    $beep       = optional_param('beep', 0, PARAM_INT);  // beep target

    if (!$chatuser = $DB->get_record('chat_users', array('sid'=>$chat_sid))) {
        print_error('notlogged', 'chat');
    }

    //Get the minimal course
    if (!$course = $DB->get_record('course', array('id'=>$chatuser->course))) {
        print_error('invalidcourseid');
    }

    //Get the user theme and enough info to be used in chat_format_message() which passes it along to
    if (!$USER = $DB->get_record('user', array('id'=>$chatuser->userid))) { // no optimisation here, it would break again in future!
        print_error('invaliduser');
    }

    $PAGE->set_generaltype('embedded');

    $USER->description = '';

    //Setup course, lang and theme
    $PAGE->set_course($course);

    $courseid = $chatuser->course;

    if (!$cm = get_coursemodule_from_instance('chat', $chatuser->chatid, $courseid)) {
        print_error('invalidcoursemodule');
    }

    if ($beep) {
        $message->chatid    = $chatuser->chatid;
        $message->userid    = $chatuser->userid;
        $message->groupid   = $chatuser->groupid;
        $message->message   = "beep $beep";
        $message->system    = 0;
        $message->timestamp = time();

        $DB->insert_record('chat_messages', $message);
        $DB->insert_record('chat_messages_current', $message);

        $chatuser->lastmessageping = time();          // A beep is a ping  ;-)
    }

    $chatuser->lastping = time();
    $DB->set_field('chat_users', 'lastping', $chatuser->lastping, array('id'=>$chatuser->id));

    $refreshurl = "users.php?chat_sid=$chat_sid";

    /// Get list of users

    if (!$chatusers = chat_get_users($chatuser->chatid, $chatuser->groupid, $cm->groupingid)) {
        print_error('errornousers', 'chat');
    }

    $uidles = Array();
    $i = 0;
    foreach ($chatusers as $chatuser) {
        $uidles[$i] = 'uidle{$chatuser->id}';
        $i++;
    }
    $PAGE->requires->data_for_js('uidles', $uidles)->in_head();
    $PAGE->requires->js('mod/chat/gui_header_js/chat_gui_header.js')->in_head();
    $PAGE->requires->js_function_call('start')->on_dom_ready();
    ob_start();
    echo $OUTPUT->header();

    /// Print user panel body
    $timenow    = time();
    $stridle    = get_string('idle', 'chat');
    $strbeep    = get_string('beep', 'chat');


    echo '<div style="display: none"><a href="'.$refreshurl.'" id="refreshLink">Refresh link</a></div>';
    echo '<table width="100%">';
    foreach ($chatusers as $chatuser) {
        $lastping = $timenow - $chatuser->lastmessageping;
        $min = (int) ($lastping/60);
        $sec = $lastping - ($min*60);
        $min = $min < 10 ? '0'.$min : $min;
        $sec = $sec < 10 ? '0'.$sec : $sec;
        $idle = $min.':'.$sec;
        echo '<tr><td width="35">';
        echo "<a target=\"_blank\" onClick=\"return openpopup('/user/view.php?id=$chatuser->id&amp;course=$courseid','user$chatuser->id','');\" href=\"$CFG->wwwroot/user/view.php?id=$chatuser->id&amp;course=$courseid\">";
        echo $OUTPUT->user_picture(moodle_user_picture::make($chatuser, $courseid));
        echo '</a></td><td valign="center">';
        echo '<p><font size="1">';
        echo fullname($chatuser).'<br />';
        echo "<span class=\"dimmed_text\">$stridle <span name=\"uidles\" id=\"uidle{$chatuser->id}\">$idle</span></span>";
        echo " <a href=\"users.php?chat_sid=$chat_sid&amp;beep=$chatuser->id\">$strbeep</a>";
        echo '</font></p>';
        echo '</td></tr>';
    }
    // added 2 </div>s, xhtml strict complaints
    echo '</table>';
    echo $OUTPUT->footer();

    //
    // Support HTTP Keep-Alive by printing Content-Length
    //
    // If the user pane is refreshing often, using keepalives
    // is lighter on the server and faster for most clients.
    //
    // Apache is normally configured to have a 15s timeout on
    // keepalives, so let's observe that. Unfortunately, we cannot
    // autodetect the keepalive timeout.
    //
    // Using keepalives when the refresh is longer than the timeout
    // wastes server resources keeping an apache child around on a
    // connection that will timeout. So we don't.
    if ($CFG->chat_refresh_userlist < 15) {
        header("Content-Length: " . ob_get_length() );
        ob_end_flush();
    }

    exit; // no further output


?>