public async Task SendInitialMessages(CustomWebSocket userWebSocket, ICustomWebSocketFactory wsFactory)
{
WebSocket webSocket = userWebSocket.WebSocket;
var msg = new CustomWebSocketMessage
{
MessagDateTime = DateTime.Now,
Text = $"T{userWebSocket.Id} joined the chat",
Username = userWebSocket.Id,
Id = Guid.NewGuid(),
IsInitialMessage = true,
Status = 0
};
wsFactory.AddMessage(msg);
var websocketData = new CustomWebSocketData
{
Messages = wsFactory.GetMessages(),
UserNames = wsFactory.GetUserNames()
};
var jsonStr = JsonSerializer.Serialize <CustomWebSocketData>(websocketData);
byte[] bytes = Encoding.ASCII.GetBytes(jsonStr);
await BroadcastToAll(bytes, userWebSocket, wsFactory);
}
public void DeleteMessage(CustomWebSocketMessage msg)
{
var foundIndex = Messages.FindIndex(ind => ind.Id == msg.Id);
if (foundIndex > -1)
{
Messages[foundIndex].Text = "This message was deleted.";
Messages[foundIndex].Status = 2;
}
}
public void ModifyMessage(CustomWebSocketMessage msg)
{
var foundIndex = Messages.FindIndex(ind => ind.Id == msg.Id);
if (foundIndex > -1)
{
msg.Text = msg.Text + "( edited )";
msg.Status = 1;
Messages[foundIndex] = msg;
}
}
public void AddMessage(CustomWebSocketMessage msg)
{
Messages.Add(msg);
}
public async Task HandleMessage(string msg, byte[] buffer, CustomWebSocket userWebSocket, ICustomWebSocketFactory wsFactory)
{
try
{
var message = JsonSerializer.Deserialize <CustomWebSocketMainMessage>(msg);
if (message.WSType == WebSocketMessageType.Text)
{
if (message.Type == "U")
{
if (wsFactory.AddUser(message.UserName))
{
var userMsg = new CustomWebSocketMessage
{
MessagDateTime = DateTime.Now,
Text = $"{message.UserName} joined the chat",
Username = message.UserName,
Id = Guid.NewGuid(),
IsInitialMessage = true,
Status = 0
};
wsFactory.AddMessage(userMsg);
}
else
{
return;
}
}
else
{
if (message.Message.Status == 2)
{
// delete message
wsFactory.DeleteMessage(message.Message);
}
else if (message.Message.Status == 1)
{
wsFactory.ModifyMessage(message.Message);
}
else
{
var newMessage = new CustomWebSocketMessage
{
Id = Guid.NewGuid(),
MessagDateTime = DateTime.Now,
Text = message.Message.Text,
Username = message.Message.Username,
IsInitialMessage = false,
Status = 0
};
wsFactory.AddMessage(newMessage);
}
}
var websocketData = new CustomWebSocketData
{
Messages = wsFactory.GetMessages(),
UserNames = wsFactory.GetUserNames()
};
var jsonStr = JsonSerializer.Serialize <CustomWebSocketData>(websocketData);
byte[] bytes = Encoding.ASCII.GetBytes(jsonStr);
await BroadcastToAll(bytes, userWebSocket, wsFactory);
}
}
catch (Exception e)
{
await userWebSocket.WebSocket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
}
}
