mirror of
https://github.com/moodle/moodle.git
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125 lines
4.9 KiB
PHP
125 lines
4.9 KiB
PHP
<?php // $Id$
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$nomoodlecookie = true; // Session not needed!
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require('../../../config.php');
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require('../lib.php');
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$chat_sid = required_param('chat_sid', PARAM_ALPHANUM);
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$chat_lasttime = optional_param('chat_lasttime', 0, PARAM_INT);
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if (!$chatuser = get_record('chat_users', 'sid', $chat_sid)) {
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error('Not logged in!');
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}
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chat_force_language($chatuser->lang);
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// force deleting of timed out users if there is a silence in room or just entering
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if ((time() - $chat_lasttime) > $CFG->chat_old_ping) {
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// must be done before chat_get_latest_message!!!
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chat_delete_old_users();
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}
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if ($message = chat_get_latest_message($chatuser->chatid, $chatuser->groupid)) {
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$chat_newlasttime = $message->timestamp;
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} else {
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$chat_newlasttime = 0;
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}
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if ($chat_lasttime == 0) { //display some previous messages
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$chat_lasttime = time() - $CFG->chat_old_ping; //TO DO - any better value??
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}
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$refreshurl = "jsupdate.php?chat_sid=$chat_sid&chat_lasttime=$chat_newlasttime"; // no & in url, does not work in header!
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$timenow = time();
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$groupselect = $chatuser->groupid ? " AND (groupid='".$chatuser->groupid."' OR groupid='0') " : "";
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header('Expires: Sun, 28 Dec 1997 09:32:45 GMT');
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header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
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header('Cache-Control: no-cache, must-revalidate');
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header('Pragma: no-cache');
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header('Content-Type: text/html');
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header("Refresh: $CFG->chat_refresh_room; url=$refreshurl");
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/// required stylesheets
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$stylesheetshtml = '';
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foreach ($CFG->stylesheets as $stylesheet) {
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$stylesheetshtml .= '<link rel=\\"stylesheet\\" type=\\"text/css\\" href=\\"'.$stylesheet.'\\" />';
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}
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=<?php echo get_string('thischarset'); ?>" />
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<script type="text/javascript">
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<!--
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if (parent.msg.document.getElementById("msgStarted") == null) {
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parent.msg.document.close();
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parent.msg.document.open("text/html","replace");
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parent.msg.document.write("<html><head>");
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parent.msg.document.write("<meta http-equiv=\"content-type\" content=\"text/html; charset=<?php echo get_string('thischarset'); ?>\" />");
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parent.msg.document.write("<base target=\"_blank\" />");
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parent.msg.document.write("<?php echo $stylesheetshtml ?>");
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parent.msg.document.write("</head><body><div style=\"display: none\" id=\"msgStarted\"> </div>");
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}
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<?php
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$beep = false;
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$refreshusers = false;
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$us = array ();
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if (($chat_lasttime != $chat_newlasttime)
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and $messages = get_records_select("chat_messages",
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"chatid = '$chatuser->chatid' AND timestamp > '$chat_lasttime' $groupselect",
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"timestamp ASC")) {
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if (!$currentuser = get_record('user', 'id', $chatuser->userid)) {
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error('User does not exist!');
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}
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$currentuser->description = '';
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foreach ($messages as $message) {
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$formatmessage = chat_format_message($message, $chatuser->course, $currentuser);
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if ($formatmessage->beep) {
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$beep = true;
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}
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if ($formatmessage->refreshusers) {
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$refreshusers = true;
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}
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$us[$message->userid] = $timenow - $message->timestamp;
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echo "parent.msg.document.write('".addslashes($formatmessage->html)."\\n');\n";
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}
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}
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$chatuser->lastping = time();
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update_record('chat_users', $chatuser);
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if ($refreshusers) {
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echo "if (parent.users.document.anchors[0] != null) {" .
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"parent.users.location.href = parent.users.document.anchors[0].href;}\n";
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} else {
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foreach($us as $uid=>$lastping) {
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$min = (int) ($lastping/60);
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$sec = $lastping - ($min*60);
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$min = $min < 10 ? '0'.$min : $min;
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$sec = $sec < 10 ? '0'.$sec : $sec;
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$idle = $min.':'.$sec;
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echo "if (parent.users.document.getElementById('uidle{$uid}') != null) {".
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"parent.users.document.getElementById('uidle{$uid}').innerHTML = '$idle';}\n";
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}
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}
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?>
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parent.msg.scroll(1,5000000);
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// -->
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</script>
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</head>
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<body>
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<?php
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if ($beep) {
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echo '<embed src="../beep.wav" autostart="true" hidden="true" name="beep" />';
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}
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?>
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<a href="<? echo $refreshurl ?>" name="refreshLink">Refresh link</a>
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</body>
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</html>
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