internal void SaveFile(CommandMessage commandFromServer)
{
try
{
var file = Convert.FromBase64String(commandFromServer.Args["File"].ToString());
var extension = commandFromServer.Args["Extension"];
var message = commandFromServer.Args["Message"];
var path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\Messanger\\Files\\";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
var guid = Guid.NewGuid().ToString();
File.WriteAllBytes($"{path}{guid}.{extension}", file);
var display = new DisplayMessageService();
if (!string.IsNullOrEmpty(Convert.ToString(message)))
{
display.Display(Convert.ToString(message), DisplayMessageType.Message);
}
else
{
display.Display($"You received file.", DisplayMessageType.Success);
}
} catch (Exception exception)
{
var logger = new Logger();
logger.SaveLog(exception);
var displayService = new DisplayMessageService();
displayService.Display(exception.Message);
}
}
internal void Launch()
{
try
{
connection = new ServerConnection();
}catch (Exception exception)
{
var logger = new Logger();
logger.SaveLog(exception);
var displayService = new DisplayMessageService();
displayService.Display(exception.Message, DisplayMessageType.Error);
}
if (connection == null)
{
Disconnect();
}
chatCore = new ChatCore(this, connection.stream);
var displayMessage = new DisplayMessageService();
displayMessage.Display("Connected.", DisplayMessageType.Success);
var receiver = new Receiver(connection.stream, this, chatCore);
receiveThread = new Thread(() => receiver.ReceiveMessage());
receiveThread.Start();
var commandHandler = new InputHandler(connection.stream, this, chatCore);
commandHandler.ConsoleReading();
receiveThread.Join();
}
internal object SelectedFilePath(string recipient, string message)
{
var sendingData = new CommandMessage();
var ofd = new OpenFileDialog {
Multiselect = false
};
var display = new DisplayMessageService();
if ((new Invoker(ofd).Invoke()) == DialogResult.OK)
{
ofd.AddExtension = true;
var byteData = new byte[2097152];
byteData = File.ReadAllBytes(ofd.FileName);
var stringData = Convert.ToBase64String(byteData);
var jobject = new JObject();
if (!string.IsNullOrEmpty(recipient))
{
jobject["Recipient"] = recipient;
}
jobject["Message"] = message;
jobject["Extension"] = GetExtension(ofd.FileName);
jobject["File"] = stringData;
display.Display(ofd.FileName, DisplayMessageType.System);
sendingData.Args = jobject;
sendingData.CommandType = CommandType.SendFile;
}
else
{
display.Display("File chosing canceled", DisplayMessageType.System);
}
return(sendingData);
}
private void NotificationHandler(string message)
{
var notification = JsonConvert.DeserializeObject <ServerNotification>(message);
var display = new DisplayMessageService();
display.Display(notification.Message, DisplayMessageType.ServerNotification);
}
private string ReadIp()
{
var display = new DisplayMessageService();
display.Display("Write ip to start connecting to it.", DisplayMessageType.System);
var result = string.Empty;
while (true)
{
result = Console.ReadLine().Trim();
IPAddress ipAddress;
if (IPAddress.TryParse(result, out ipAddress) || result == "localhost")
{
break;
}
if (string.IsNullOrEmpty(result))
{
result = null;
break;
}
display.Display("Please, write correct ip.", DisplayMessageType.Error);
}
return(result);
}
private void ServerCommandHandler(string message)
{
var commandFromServer = JsonConvert.DeserializeObject <CommandMessage>(message);
switch (commandFromServer.CommandType)
{
case CommandType.Start:
StartCallback(commandFromServer);
break;
case CommandType.SetUsername:
break;
case CommandType.Here:
HereCallback(commandFromServer);
break;
case CommandType.Pong:
PongCallback();
break;
case CommandType.Ping:
PingCallback(commandFromServer);
break;
case CommandType.SendFile:
SendFileCallback(commandFromServer);
break;
default:
var display = new DisplayMessageService();
display.Display("Incorrect command from server.", DisplayMessageType.Error);
break;
}
}
internal ServerConnection()
{
var display = new DisplayMessageService();
ip = ReadIp();
ip = ip ?? "192.168.1.135";
client = new TcpClient();
display.Display($"Connecting to {ip}:{port}", DisplayMessageType.System);
client.Connect(ip, port);
stream = client.GetStream();
}
public void Disconnect()
{
connection?.CloseConnection();
receiveThread?.Abort();
var display = new DisplayMessageService();
display.Display("You were disconnected.", DisplayMessageType.Error);
var chatStart = new ChatLauncher();
chatStart.Launch();
}
private void AutoPingFunc()
{
if (autoPingFlag)
{
SendPing();
Start();
}
else if (autoPingTimer.Enabled)
{
autoPingTimer.Stop();
var display = new DisplayMessageService();
display.Display("Server does not responde.", DisplayMessageType.Error);
disconnector.Disconnect();
}
}
internal void CommandHandler(string message)
{
var splitedMessage = SplitCommand(message);
var obj = new object();
switch (splitedMessage[0])
{
case Commands.Start:
obj = StartHandler();
break;
case Commands.SetUserName:
obj = SetUsernameHandler(splitedMessage);
break;
case Commands.Logout:
LogoutHandler();
obj = null;
break;
case Commands.Here:
obj = HereHandler();
break;
case Commands.Help:
HelpHandler();
obj = null;
break;
case Commands.Disconnect:
disconnector.Disconnect();
obj = null;
break;
case Commands.SendFile:
obj = SendFileHandler(splitedMessage);
break;
default:
var displayService = new DisplayMessageService();
displayService.Display("Sended as message", DisplayMessageType.System);
displayService.Display("Incorrect command: unknown command. Try \"/help\" for help.", DisplayMessageType.Error);
obj = null;
SendMessage(message);
break;
}
SendObject(obj);
}
private void Disconnect(ChatLauncher connection)
{
connection.Disconnect();
var display = new DisplayMessageService();
display.Display("Disconnected. Try to connect?", DisplayMessageType.System);
var answer = Console.ReadLine().Trim().ToLower();
if (answer == "n")
{
return;
}
LaunchChat();
}
private void HelpHandler()
{
var display = new DisplayMessageService();
display.Display();
display.Display($"{Commands.SetUserName} <name> | change your name to <name>", DisplayMessageType.System);
display.Display($"{Commands.Here} | show all online users", DisplayMessageType.System);
display.Display($"{Commands.Logout} | log out from account", DisplayMessageType.System);
display.Display($"{Commands.Help} | show help", DisplayMessageType.System);
display.Display($"{Commands.Disconnect} | disconnect from server", DisplayMessageType.System);
display.Display($"{Commands.SendFile} <recipient> | send chosen file to <recipient>. If <recipient> is empty, send to all users>", DisplayMessageType.System);
display.Display($"To make spaces in your nickname, write </setusername \"example name\">. ", DisplayMessageType.System);
display.Display($"To send message to user with spaces in nickname, write <@\"example name\" your_message>", DisplayMessageType.System);
display.Display($"Blue messages can be seen only by you.", DisplayMessageType.System);
display.Display();
}
private void HereCallback(CommandMessage commandFromServer)
{
var usersString = commandFromServer.Args["Users"].ToString();
var display = new DisplayMessageService();
if (!string.IsNullOrEmpty(usersString))
{
display.Display("People in the chat:", DisplayMessageType.ServerNotification);
var users = usersString.Split(',');
for (int i = 0; i < users.Length; i++)
{
display.Display(users[i], DisplayMessageType.ServerNotification);
}
}
else
{
display.Display("You are alone in the void.", DisplayMessageType.Error);
}
}
private void MessageFromServerHandler(string message)
{
var chatMessageFromServer = JsonConvert.DeserializeObject <ChatMessageFromServer>(message);
if (!string.IsNullOrEmpty(chatMessageFromServer.Message))
{
var sendedString = chatMessageFromServer.Name;
var display = new DisplayMessageService();
if (sendedString[0] == '[' && sendedString[1] == '@' && sendedString[2] == ']')
{
chatMessageFromServer.Name = chatMessageFromServer.Name.Remove(0, 3);
display.Display($"{chatMessageFromServer.Name}: {chatMessageFromServer.Message}", DisplayMessageType.PrivateMessage);
}
else
{
display.Display($"{chatMessageFromServer.Name}: {chatMessageFromServer.Message}", DisplayMessageType.Message);
}
}
}
private object SetUsernameHandler(string[] splitedMessage)
{
if (splitedMessage.Length < 2)
{
var display = new DisplayMessageService();
display.Display("Incorrect command: few arguments.", DisplayMessageType.Error);
return(null);
}
var message = string.Join(" ", splitedMessage);
var NameAndMessage = GetNameAndMessage(message.Remove(0, Commands.SetUserName.Length + 1));
var commandMessage = new CommandMessage();
var jobject = new JObject();
jobject["Name"] = NameAndMessage[0];
commandMessage.CommandType = CommandType.SetUsername;
commandMessage.Args = jobject;
return(commandMessage);
}
