private async Task ReadLinesBackground(CancellationToken cancellationToken)
{
Task cancellationTask = Task.Delay(Timeout.Infinite, cancellationToken);
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
// This allows us to cancel quickly without blocking on network
Task <string> streamReadTask = _streamReader.ReadLineAsync();
Task completedTask = await Task.WhenAny(streamReadTask, cancellationTask);
if (completedTask == cancellationTask)
{
cancellationToken.ThrowIfCancellationRequested();
}
var message = await HandleLine(streamReadTask.Result);
if (message.HasValue)
{
if (message.Value.Command == "PRIVMSG")
{
TwitchChatMessage chatMessage = ParseMessage(message.Value);
lock (_outgoingChatMessages)
{
_outgoingChatMessages.Enqueue(chatMessage);
}
}
else
{
ServiceEventSource.Current.Message("Unkown IRC command type {0}", message.Value.Command);
}
}
}
}
private TwitchChatMessage ParseMessage(IrcMessage message)
{
if (message.Command != "PRIVMSG")
{
//Console.WriteLine($"Unknown command type {message.Command}", Color.Orange);
return(null);
}
var chatMessage = new TwitchChatMessage();
// Get the nickname from the prefix
string nickname = message.Prefix.Split('!')[0];
chatMessage.Nickname = nickname;
chatMessage.Message = message.Parameters[1];
chatMessage.IrcChannel = message.Parameters[0];
//Console.Write($"{message.Parameters[0]}: ", Color.MediumSpringGreen);
//Console.Write($"<{nickname}> ", Color.Aqua);
//Console.WriteLine(message.Parameters[1], Color.LightSkyBlue);
if (!string.IsNullOrEmpty(message.TwitchPart))
{
string twitchPart = message.TwitchPart.TrimStart('@');
string[] parameters = twitchPart.Split(';');
foreach (string parameter in parameters)
{
(string name, string value) = ParseParameter(parameter);
switch (name)
{
case "color":
chatMessage.DisplayColor = value;
break;
case "display-name":
chatMessage.DisplayName = value;
break;
case "user-id":
chatMessage.UserId = int.Parse(value);
break;
case "room-id":
chatMessage.RoomId = int.Parse(value);
break;
case "user-type":
chatMessage.UserType = value;
break;
case "id":
chatMessage.MessageId = Guid.Parse(value);
break;
case "badges":
chatMessage.Badges = value.Split(',');
break;
case "mod":
chatMessage.IsMod = value == "1";
break;
case "subscriber":
chatMessage.IsSubsrciber = value == "1";
break;
case "turbo":
chatMessage.IsTurbo = value == "1";
break;
case "emotes":
chatMessage.Emotes = ParseEmotes(value);
break;
case "tmi-sent-ts":
var epoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
DateTime ts = epoch.AddMilliseconds(double.Parse(value));
chatMessage.Timestamp = ts;
break;
default:
//Console.WriteLine($"Unkown parameter: {name}={value}", Color.GreenYellow);
break;
}
//Console.WriteLine($"\t{parameter}", Color.Navy);
}
}
// Fallback to using nickname
if (chatMessage.DisplayName == null)
{
chatMessage.DisplayName = chatMessage.Nickname;
}
return(chatMessage);
//_logWriter.AddMessage(chatMessage);
//Console.WriteLine(JsonConvert.SerializeObject(chatMessage), Color.HotPink);
}