diff --git a/mod/chat/chatd.php b/mod/chat/chatd.php index b90e57b66a1..5c6a43500a6 100755 --- a/mod/chat/chatd.php +++ b/mod/chat/chatd.php @@ -67,6 +67,34 @@ class ChatDaemon { var $message_queue = array(); // Holds messages that we haven't committed to the DB yet + function get_user_window($sessionid) { + ob_start(); + echo "\n\n"; + + // + /* + echo ""; + */ + // + + //echo "\n\n"; + echo "\n\n"; + + // + echo '

User window for session '.$sessionid.'

'; + echo '

The time is '.time().'

'; + // + + echo "\n\n"; + return ob_get_clean(); + + } + function new_ufo_id() { static $id = 0; if($id++ === 0x1000000) { // Cycling very very slowly to prevent overflow @@ -91,7 +119,8 @@ class ChatDaemon { switch($type) { case CHAT_SIDEKICK_USERS: - $x = pusers($this->sets_info[$sessionid]['chat'], $this->sets_info[$sessionid]['groupid']); + /* + //$x = pusers($this->sets_info[$sessionid]['chatid'], $this->sets_info[$sessionid]['groupid']); //$x = "Lalalala! ".time().""; $header = "HTTP/1.1 200 OK\n"; @@ -102,16 +131,38 @@ class ChatDaemon { $header .= "Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT\n"; $header .= "Cache-Control: no-cache, must-revalidate\n"; $header .= "Expires: Wed, 4 Oct 1978 09:32:45 GMT\n"; - $header .= "Refresh: 3; url=http://$CFG->chat_serverhost:$CFG->chat_serverport?win=users&". - "chat_sid=".$sessionid."&groupid=".$this->sets_info[$sessionid]['groupid']."\n"; + //$header .= "Refresh: 3; url=http://$CFG->chat_serverhost:$CFG->chat_serverport?win=users&". + // "chat_sid=".$sessionid."&groupid=".$this->sets_info[$sessionid]['groupid']."\n"; $header .= "\n"; $x = $header.$x; +*/ +/* trace('Outputting user list('.strlen($x).' chars)'); //trace($x); chat_socket_write($handle, $x); +*/ + + $content = $this->get_user_window($sessionid); + + $header = "HTTP/1.1 200 OK\n"; + $header .= "Connection: close\n"; + $header .= "Date: ".date('r')."\n"; + $header .= "Server: Moodle\n"; + $header .= "Content-Type: text/html\n"; + $header .= "Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT\n"; + $header .= "Cache-Control: no-cache, must-revalidate\n"; + $header .= "Expires: Wed, 4 Oct 1978 09:32:45 GMT\n"; + $header .= "Content-Length: ".strlen($content)."\n"; + $header .= "Refresh: 3; url=http://$CFG->chat_serverhost:$CFG->chat_serverport/?win=users&". + "chat_sid=".$sessionid."&groupid=".$this->sets_info[$sessionid]['groupid']."\n"; + $header .= "\n"; + + // That's enough headers for one lousy dummy response + chat_socket_write($handle, $header . $content); + break; case CHAT_SIDEKICK_MESSAGE: // Incoming message @@ -128,21 +179,11 @@ class ChatDaemon { break; } - // Format the message object here - $output = chat_format_message($msg); - - $msg->message = $output->text; // This is for writing into the DB - $msg->text_ = $output->text; - $msg->html_ = $output->html; - $msg->beep_ = $output->beep; + // Commit to DB + insert_record('chat_messages', $msg); // OK, now push it out to all users - $this->message_broadcast($msg); - - // Put it on the uncommitted queue - // TODO: error checking!!! - //$message_queue[] = $msg; - insert_record('chat_messages', $msg); + $this->message_broadcast($msg, $this->sets_info[$sessionid]['user']); // Update that user's lastmessageping // TODO: this can and should be written as a single UPDATE query @@ -152,6 +193,23 @@ class ChatDaemon { update_record('chat_users', $user); } + // We did our work, but before slamming the door on the poor browser + // show the courtesy of responding to the HTTP request. Otherwise, some + // browsers decide to get vengeance by flooding us with repeat requests. + + $header = "HTTP/1.1 200 OK\n"; + $header .= "Connection: close\n"; + $header .= "Date: ".date('r')."\n"; + $header .= "Server: Moodle\n"; + $header .= "Content-Type: text/html\n"; + $header .= "Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT\n"; + $header .= "Cache-Control: no-cache, must-revalidate\n"; + $header .= "Expires: Wed, 4 Oct 1978 09:32:45 GMT\n"; + $header .= "\n"; + + // That's enough headers for one lousy dummy response + chat_socket_write($handle, $header); + // All done break; } @@ -176,11 +234,41 @@ class ChatDaemon { $this->dismiss_half($sessionid); return false; } + $user = get_record('user', 'id', $chatuser->userid); + if($user === false) { + $this->dismiss_half($sessionid); + return false; + } + $course = get_record('course', 'id', $chat->course); { + if($course === false) { + $this->dismiss_half($sessionid); + return false; + } + } - global $CHAT_HTMLHEAD_JS; + global $CHAT_HTMLHEAD_JS, $CFG; + + // A really sad thing, to have to do this by hand.... :-( + $lang = NULL; + if(empty($lang) && !empty($course->lang)) { + $lang = $course->lang; + } + if(empty($lang) && !empty($user->lang)) { + $lang = $user->lang; + } + if(empty($lang)) { + $lang = $CFG->lang; + } $this->conn_sets[$sessionid] = $this->conn_half[$sessionid]; - $this->sets_info[$sessionid] = array('chatid' => $chatuser->chatid, 'userid' => $chatuser->userid, 'groupid' => $groupid, 'lastmessages' => array(), 'lastmsgindex' => 0); + $this->sets_info[$sessionid] = array( + 'chatid' => $chatuser->chatid, + 'user' => $user, + 'userid' => $chatuser->userid, + 'groupid' => $groupid, + 'lang' => $lang + ); + $this->dismiss_half($sessionid, false); chat_socket_write($this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL], $CHAT_HTMLHEAD_JS); trace('Finalized client: sid: '.$sessionid.' uid: '.$chatuser->userid.' gid: '.intval($groupid)); @@ -196,16 +284,7 @@ class ChatDaemon { $msg->timestamp = time(); insert_record('chat_messages', $msg); - - // Format the message object here - $output = chat_format_message($msg); - - $msg->message = $output->text; // This is for writing into the DB - $msg->text_ = $output->text; - $msg->html_ = $output->html; - $msg->beep_ = $output->beep; - - $this->message_broadcast($msg); + $this->message_broadcast($msg, $this->sets_info[$sessionid]['user']); return true; } @@ -293,8 +372,9 @@ class ChatDaemon { return false; } foreach($this->conn_sets[$sessionid] as $handle) { - socket_shutdown($handle); - socket_close($handle); + // Since we want to dismiss this, don't generate any errors if it's dead already + @socket_shutdown($handle); + @socket_close($handle); } unset($this->conn_sets[$sessionid]); unset($this->sets_info[$sessionid]); @@ -355,12 +435,11 @@ class ChatDaemon { return $retval; } - function message_broadcast($message) { + function message_broadcast($message, $sender) { if(empty($this->conn_sets)) { return true; } - //trace('Broadcasting message'); foreach($this->sets_info as $sessionid => $info) { // We need to get handles from users that are in the same chatroom, same group if($info['chatid'] == $message->chatid && @@ -368,8 +447,13 @@ class ChatDaemon { { // Simply give them the message + $output = chat_format_message_manually($message, 0, $sender, $info['userid'], $info['lang']); - if(!chat_socket_write($this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL], $message->html_)) { + if($output->beep) { + chat_socket_write($this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL], ''); + } + + if(!chat_socket_write($this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL], $output->html)) { // Send failed! We must now disconnect/forget about the user FIRST // and THEN broadcast a message to all others... otherwise, infinite recursion. @@ -386,17 +470,14 @@ class ChatDaemon { trace('Client socket write failed, destroying uid '.$info['userid'].' with SID '.$sessionid); insert_record('chat_messages', $msg); - // Format the message object here - $output = chat_format_message($msg); - - $msg->message = $output->text; // This is for writing into the DB - $msg->text_ = $output->text; - $msg->html_ = $output->html; - $msg->beep_ = $output->beep; - - // Kill him before broadcasting!! + // *************************** IMPORTANT + // + // Kill him BEFORE broadcasting, otherwise we 'll get infinite recursion! + // + // ********************************************************************** + $latesender = $this->sets_info[$sessionid]['user']; $this->dismiss_set($sessionid); - $this->message_broadcast($msg); + $this->message_broadcast($msg, $latesender); } //trace('Sent to UID '.$this->sets_info[$sessionid]['userid'].': '.$message->text_); } @@ -426,9 +507,7 @@ $DAEMON->trace_level = E_ALL; $DAEMON->socketserver_refresh = 10; $DAEMON->rememberlast = 10; $DAEMON->can_daemonize = function_exists('pcntl_fork'); - -$logfile = fopen('chatd.log', 'a+'); - +$DAEMON->beepsoundsrc = $CFG->wwwroot.'/mod/chat/beep.wav'; /// Check the parameters ////////////////////////////////////////////////////// @@ -448,6 +527,7 @@ $logfile = fopen('chatd.log', 'a+'); } +$logfile = fopen('chatd.log', 'a+'); /// Try to set up all the sockets //////////////////////////////////////////////// @@ -482,6 +562,13 @@ if(!socket_bind($DAEMON->listen_socket, $CFG->chat_serverip, $CFG->chat_serverpo // Failed to bind socket $DAEMON->last_error = socket_last_error(); echo "Error: socket_bind() failed: ". socket_strerror(socket_last_error($DAEMON->last_error)).' ['.$DAEMON->last_error."]\n"; + + // If $DAEMON->last_error == 98 (Success), maybe we need to try cleaning up a bit before dying + // This is EXPERIMENTAL code! + if($DAEMON->last_error == 98) { + trace('experimental fix kicks in'); + socket_close($DAEMON->listen_socket); + } die(); } if(!socket_listen($DAEMON->listen_socket, $CFG->chat_servermax)) { @@ -653,17 +740,21 @@ function chat_socket_write($connection, $text) { $check_socket = array($connection); $socket_changed = socket_select($read = NULL, $check_socket, $except = NULL, 0, 0); if($socket_changed > 0) { - socket_write($connection, $text, strlen($text)); + $written = socket_write($connection, $text, strlen($text)); + //trace('socket_write wrote '.$written.' of '.strlen($text).' bytes'); return true; } return false; } -function pusers($chat, $groupid) { +function pusers($chatid, $groupid) { /// Delete users who are using text version and are old global $CFG, $str; +static $lastupdate = 0; +static $outputcache = NULL; + //chat_delete_old_users(); @@ -674,61 +765,78 @@ ob_start(); $timenow = time(); -if (empty($str)) { - $str->idle = get_string("idle", "chat"); - $str->beep = get_string("beep", "chat"); - $str->day = get_string("day"); - $str->days = get_string("days"); - $str->hour = get_string("hour"); - $str->hours = get_string("hours"); - $str->min = get_string("min"); - $str->mins = get_string("mins"); - $str->sec = get_string("sec"); - $str->secs = get_string("secs"); + +// WARNING!!!! THESE ARE HERE TO REMOVE NOTICES!!! +// THEY SHOULD BE FIXED! +$chat_sid = 0; +$chat->course = 0; + +// Keep the results cached for 5 seconds +if($timenow - 5 > $lastupdate || empty($outputcache)) { + + if (empty($str)) { + $str->idle = get_string("idle", "chat"); + $str->beep = get_string("beep", "chat"); + $str->day = get_string("day"); + $str->days = get_string("days"); + $str->hour = get_string("hour"); + $str->hours = get_string("hours"); + $str->min = get_string("min"); + $str->mins = get_string("mins"); + $str->sec = get_string("sec"); + $str->secs = get_string("secs"); + } + + /// Get list of users + + if (!$chatusers = chat_get_users($chatid, $groupid)) { + print_string("errornousers", "chat"); + die('no users'); + //return ob_get_clean(); + //exit; + } + + echo "\n"; + echo "\n"; + echo "\n"; + //echo ''."\n\n"; + //for ($i = 0; $i < 100; ++$i) { + // echo "\n"; + //} + + echo "\n\n"; + foreach ($chatusers as $chatuser) { + $lastping = $timenow - $chatuser->lastmessageping; + echo "\n\n"; + } + echo "
"; + echo "id&course=$chat->course','user$chatuser->id','');\" href=\"$CFG->wwwroot/user/view.php?id=$chatuser->id&course=$chat->course\">"; + print_user_picture($chatuser->id, 0, $chatuser->picture, false, false, false); + echo ""; + echo "

"; + echo fullname($chatuser)."
"; + echo "$str->idle: ".format_time($lastping, $str).""; + echo " id&groupid=$groupid\">$str->beep"; + echo "

"; + echo "		\n
\n"; + + //window.setTimeout('reloadme', 1000) + echo "\n\n"; + + $lastupdate = $timenow; + return $outputcache = ob_get_clean(); } - -/// Get list of users - -if (!$chatusers = chat_get_users($chat->id, $groupid)) { - print_string("errornousers", "chat"); - die('no users'); - //return ob_get_clean(); - //exit; +else { + // Return cached output + trace('User window cached return'); + return $outputcache; } -echo "\n"; -echo "\n"; -echo "\n"; -echo ''."\n\n"; -for ($i = 0; $i < 100; ++$i) { - echo "\n"; -} - -echo ""; -foreach ($chatusers as $chatuser) { - $lastping = $timenow - $chatuser->lastmessageping; - echo ""; -} -echo "
"; - echo "id&course=$chat->course','user$chatuser->id','');\" href=\"$CFG->wwwroot/user/view.php?id=$chatuser->id&course=$chat->course\">"; - print_user_picture($chatuser->id, 0, $chatuser->picture, false, false, false); - echo ""; - echo "

"; - echo fullname($chatuser)."
"; - echo "$str->idle: ".format_time($lastping, $str).""; - echo " id&groupid=$groupid\">$str->beep"; - echo "

"; - echo "
"; - -//window.setTimeout('reloadme', 1000) -echo ''; -return ob_get_clean(); - } ?> diff --git a/mod/chat/lib.php b/mod/chat/lib.php index 06751247604..40e158cdfb3 100644 --- a/mod/chat/lib.php +++ b/mod/chat/lib.php @@ -4,28 +4,28 @@ if (!isset($CFG->chat_refresh_room)) { set_config("chat_refresh_room", 5); -} +} if (!isset($CFG->chat_refresh_userlist)) { set_config("chat_refresh_userlist", 10); -} +} if (!isset($CFG->chat_old_ping)) { set_config("chat_old_ping", 30); -} +} if (!isset($CFG->chat_method)) { set_config("chat_method", "header_js"); -} +} if (!isset($CFG->chat_serverhost)) { set_config("chat_serverhost", $_SERVER['HTTP_HOST']); -} +} if (!isset($CFG->chat_serverip)) { set_config("chat_serverip", $_SERVER['SERVER_ADDR']); -} +} if (!isset($CFG->chat_serverport)) { set_config("chat_serverport", 9111); -} +} if (!isset($CFG->chat_servermax)) { set_config("chat_servermax", 100); -} +} define("CHAT_DRAWBOARD", false); // Look into this later @@ -47,16 +47,16 @@ $CHAT_HTMLHEAD_MSGINPUT_JS = "timemodified = time(); - $chat->chattime = make_timestamp($chat->chatyear, $chat->chatmonth, $chat->chatday, + $chat->chattime = make_timestamp($chat->chatyear, $chat->chatmonth, $chat->chatday, $chat->chathour, $chat->chatminute); - + if ($returnid = insert_record("chat", $chat)) { $event = NULL; @@ -79,14 +79,14 @@ function chat_add_instance($chat) { function chat_update_instance($chat) { -/// Given an object containing all the necessary data, -/// (defined by the form in mod.html) this function +/// Given an object containing all the necessary data, +/// (defined by the form in mod.html) this function /// will update an existing instance with new data. $chat->timemodified = time(); $chat->id = $chat->instance; - $chat->chattime = make_timestamp($chat->chatyear, $chat->chatmonth, $chat->chatday, + $chat->chattime = make_timestamp($chat->chatyear, $chat->chatmonth, $chat->chatday, $chat->chathour, $chat->chatminute); if ($returnid = update_record("chat", $chat)) { @@ -108,9 +108,9 @@ function chat_update_instance($chat) { function chat_delete_instance($id) { -/// Given an ID of an instance of this module, -/// this function will permanently delete the instance -/// and any data that depends on it. +/// Given an ID of an instance of this module, +/// this function will permanently delete the instance +/// and any data that depends on it. if (! $chat = get_record("chat", "id", "$id")) { return false; @@ -132,7 +132,7 @@ function chat_delete_instance($id) { } function chat_user_outline($course, $user, $mod, $chat) { -/// Return a small object with summary information about what a +/// Return a small object with summary information about what a /// user has done with a given particular instance of this module /// Used for user activity reports. /// $return->time = the time they did it @@ -142,7 +142,7 @@ function chat_user_outline($course, $user, $mod, $chat) { } function chat_user_complete($course, $user, $mod, $chat) { -/// Print a detailed representation of what a user has done with +/// Print a detailed representation of what a user has done with /// a given particular instance of this module, for user activity reports. return true; @@ -161,7 +161,7 @@ function chat_print_recent_activity($course, $isteacher, $timestart) { FROM {$CFG->prefix}chat_users as cu, {$CFG->prefix}chat as ch, {$CFG->prefix}user as u - WHERE cu.userid = u.id + WHERE cu.userid = u.id AND cu.chatid = ch.id AND cu.lastping > '$timeold' AND ch.course = '$course->id' @@ -200,8 +200,8 @@ function chat_print_recent_activity($course, $isteacher, $timestart) { function chat_cron () { /// Function to be run periodically according to the moodle cron -/// This function searches for things that need to be done, such -/// as sending out mail, toggling flags etc ... +/// This function searches for things that need to be done, such +/// as sending out mail, toggling flags etc ... global $CFG; @@ -281,7 +281,7 @@ function chat_refresh_events($courseid = 0) { $event->eventtype = $chat->schedule; $event->timeduration = 0; $event->visible = get_field('course_modules', 'visible', 'module', $moduleid, 'instance', $chat->id); - + add_event($event); } } @@ -300,7 +300,7 @@ function chat_get_users($chatid, $groupid=0) { } else { $groupselect = ""; } - + return get_records_sql("SELECT DISTINCT u.id, u.firstname, u.lastname, u.picture, c.lastmessageping, c.firstping FROM {$CFG->prefix}chat_users c, {$CFG->prefix}user u @@ -312,7 +312,7 @@ function chat_get_users($chatid, $groupid=0) { function chat_get_latest_message($chatid, $groupid=0) { /// Efficient way to extract just the latest message /// Uses ADOdb directly instead of get_record_sql() -/// because the LIMIT command causes problems with +/// because the LIMIT command causes problems with /// the developer debugging in there. global $db, $CFG; @@ -324,7 +324,7 @@ function chat_get_latest_message($chatid, $groupid=0) { } if (!$rs = $db->Execute("SELECT * - FROM {$CFG->prefix}chat_messages + FROM {$CFG->prefix}chat_messages WHERE chatid = '$chatid' $groupselect ORDER BY timestamp DESC LIMIT 1")) { return false; @@ -373,7 +373,7 @@ function chat_delete_old_users() { $message->message = "exit"; $message->system = 1; $message->timestamp = time(); - + if (!insert_record("chat_messages", $message)) { error("Could not insert a chat message!"); } @@ -532,7 +532,7 @@ function chat_browser_detect($HTTP_USER_AGENT) { { $BPlatform = "Unknown"; } - + $return["name"] = $BName; $return["version"] = $BVersion; $return["platform"] = $BPlatform; @@ -600,92 +600,125 @@ function chat_display_version($version, $browser) } -function chat_format_message($message, $courseid=0) { -/// Given a message object full of information, this function -/// formats it appropriately into text and html, then -/// returns the formatted data. - - global $CFG, $USER; - - $output = new object; - - if (!$user = get_record("user", "id", $message->userid)) { - return "Error finding user id = $message->userid"; - } - - $picture = print_user_picture($user->id, 0, $user->picture, false, true, false); - if ($courseid) { - $picture = "wwwroot/user/view.php?id=$user->id&course=$courseid\">$picture"; - } - - $strtime = userdate($message->timestamp, get_string("strftimemessage", "chat")); +function chat_format_message_manually($message, $courseid, $sender, $currentuserid, $language = NULL) { + global $CFG; + $output = New stdClass; $output->beep = false; // by default - $text = $message->message; + if(empty($language)) { + $language = current_language(); + } - if (!empty($message->system)) { /// It's a system message - $output->text = get_string("message$text", "chat", fullname($user)); - $output->text = "$strtime: $output->text"; - $output->html = "
$picture"; - $output->html .= "$output->text"; - $output->html .= "
"; + // Override the highest-ranking language variable from current_language() here + // And save it so we can restore it again afterwards + + $oldcfglang = empty($CFG->courselang) ? NULL : $CFG->courselang; + $CFG->courselang = $language; + + // Get some additional info now that the language has been correctly set + + // But before that :-) let's override get_user_timezone() for this call... messy stuff... + $tz = ($sender->timezone == 99) ? $CFG->timezone : $sender->timezone; + $message->strtime = userdate($message->timestamp, get_string('strftimemessage', 'chat'), $tz); + + $message->picture = print_user_picture($sender->id, 0, $sender->picture, false, true, false); + if ($courseid) { + $message->picture = "wwwroot/user/view.php?id=$sender->id&course=$courseid\">$picture"; + } + + // Start processing the message + + if(!empty($message->system)) { + // System event + $output->text = $message->strtime.': '.get_string('message'.$message->message, 'chat', fullname($sender)); + $output->html = '
'.$message->picture.''; + $output->html .= ''.$output->text.'
'; + + // Don't forget to reset the language before returning!!! + if(!empty($oldcfglang)) { + $CFG->courselang = $oldcfglang; + } return $output; } + // It's not a system event, so format it nicely + + $text = $message->message; convert_urls_into_links($text); replace_smilies($text); $text = filter_text($text, $courseid); - if (substr($text, 0, 5) == "beep ") { /// It's a beep! + // And now check for special cases + + if (substr($text, 0, 5) == 'beep ') { + /// It's a beep! $beepwho = trim(substr($text, 5)); - if ($beepwho == "all") { // everyone - $outinfo = "$strtime: ". get_string("messagebeepseveryone", "chat", fullname($user)); - $outmain = ""; - $output->beep = true; // (eventually this should be set to + if ($beepwho == 'all') { // everyone + $outinfo = $message->strtime.': '.get_string('messagebeepseveryone', 'chat', fullname($sender)); + $outmain = ''; + $output->beep = true; // (eventually this should be set to // to a filename uploaded by the user) - } else if ($beepwho == $USER->id) { // current user - $outinfo = "$strtime: ". get_string("messagebeepsyou", "chat", fullname($user)); - $outmain = ""; + } else if ($beepwho == $currentuserid) { // current user + $outinfo = $message->strtime.': '.get_string('messagebeepsyou', 'chat', fullname($sender)); + $outmain = ''; $output->beep = true; } else { return false; } + } else if (substr($text, 0, 1) == ':') { /// It's an MOO emote + $outinfo = $message->strtime; + $outmain = $sender->firstname.' '.substr($text, 1); - } else if (substr($text, 0, 1) == ":") { /// It's an MOO emote - $outinfo = $strtime; - $outmain = "$user->firstname ".substr($text, 1); - - } else if (substr($text, 0, 1) == "/") { /// It's a user command + } else if (substr($text, 0, 1) == '/') { /// It's a user command if (substr($text, 0, 4) == "/me ") { - $outinfo = $strtime; - $outmain = "$user->firstname ".substr($text, 4); + $outinfo = $message->strtime; + $outmain = $sender->firstname.' '.substr($text, 4); } else { - $outinfo = $strtime; + $outinfo = $message->strtime; $outmain = $text; } } else { /// It's a normal message - $outinfo = "$strtime $user->firstname"; + $outinfo = $message->strtime.' '.$sender->firstname; $outmain = $text; } /// Format the message as a small table - $output->text = strip_tags("$outinfo: $outmain"); + $output->text = strip_tags($outinfo.': '.$outmain); - $output->html = "
$picture"; + $output->html = "
$message->picture"; $output->html .= "$outinfo"; if ($outmain) { $output->html .= ": $outmain"; } $output->html .= "
"; + // Don't forget to reset the language before returning!!! + if(!empty($oldcfglang)) { + $CFG->courselang = $oldcfglang; + } + return $output; +} + +function chat_format_message($message, $courseid=0) { +/// Given a message object full of information, this function +/// formats it appropriately into text and html, then +/// returns the formatted data. + + global $CFG, $USER; + + if (!$user = get_record("user", "id", $message->userid)) { + return "Error finding user id = $message->userid"; + } + + return chat_format_message_manually($message, $courseid, $user, $USER->id); }