void HandleChatGroup(JObject message)
{
var username = Convert.ToString(message["from"]);
var user = GetUser(username);
var groupname = Convert.ToString(message["via"]);
Group group;
if (!groups.TryGetValue(groupname, out group))
{
log.Warn("Got a chat message from a group we don't know about.");
return;
}
var args = new GroupChatEventArgs(
group,
user,
ParseFont(message["font"]),
new UTF8Encoding(false, true).GetString(Convert.FromBase64String(Convert.ToString(message["body"]))),
DateTime.Parse(message["timestamp"].ToString(), null, System.Globalization.DateTimeStyles.RoundtripKind)
);
GroupChat.SafeInvoke(this, args);
}