private static bool CheckUser(string login, string passwd, out string name)
{
var controller = new PlumbusDbController();
var list = controller.GetUsers();
var users = list.Where(x => x.Login == login && x.Pwd == passwd);
if (users.Count() != 0)
{
name = users.First().Name;
return(true);
}
name = null;
return(false);
}
private static void MyCallback(IAsyncResult ar)
{
string clientAdrr = "";
try
{
TcpListener listener = ar.AsyncState as TcpListener;
TcpClient client = listener.EndAcceptTcpClient(ar);
listener.BeginAcceptTcpClient(MyCallback, listener);
StreamReader reader = new StreamReader(client.GetStream(), Encoding.GetEncoding(866));
StreamWriter writer = new StreamWriter(client.GetStream(), Encoding.GetEncoding(866));
IPAddress remoteAddr = (client.Client.RemoteEndPoint as IPEndPoint).Address;
clientAdrr = remoteAddr.ToString();
Console.WriteLine($"User connect from IP: {remoteAddr}");
writer.WriteLine($"Welcome to Plumbus! =^_^=");
bool isLogin = false;
string currName = null;
var controller = new PlumbusDbController();
while (true)
{
if (isLogin)
{
writer.Write($"<{currName}> Enter command => ");
}
else
{
writer.Write("Enter command => ");
}
writer.Flush();
string command = reader.ReadLine().Trim().ToUpper();
switch (command)
{
case "HELP":
writer.WriteLine("CHECK IN - регистрация нового пользователя(Имя, Логин, Пароль)");
writer.WriteLine("LOGIN - вход под своим логином и паролем");
writer.WriteLine("LOG OUT - выход с текущего пользователя");
writer.WriteLine("LIST USERS - получить список Имен зарегистрированых пользователей");
writer.WriteLine("SEND MESSAGE - отправить сообщение(указать само сообщение и Имя получателя)");
writer.WriteLine("MESSAGES - перейти в меню просмотра сообщений");
writer.WriteLine("QUIT - выход");
break;
case "CHECK IN":
if (isLogin)
{
break;
}
writer.Write("Enter your name =>");
writer.Flush();
string regName = reader.ReadLine();
writer.Write("Enter login =>");
writer.Flush();
string regLogin = reader.ReadLine();
writer.Write("Enter password =>");
writer.Flush();
string regPwd = reader.ReadLine();
var list = controller.GetUsers();
if (list.Count(x => x.Name == regName) > 0)
{
writer.WriteLine("This name is already taken!");
}
else if (list.Count(x => x.Login == regLogin) > 0)
{
writer.WriteLine("This login is already taken!");
}
else
{
controller.AddUser(regName, regLogin, regPwd);
writer.WriteLine("User added! Now you can Login");
}
writer.Flush();
break;
case "LIST USERS":
writer.WriteLine("Users:\n");
foreach (var user in controller.GetUsers())
{
writer.WriteLine(user.Name);
}
writer.WriteLine();
writer.Flush();
break;
case "SEND MESSAGE":
if (!isLogin)
{
break;
}
writer.Write("Enter name Recipient =>");
writer.Flush();
string nameRcpt = reader.ReadLine();
if (!controller.GetUsers().Exists(x => x.Name == nameRcpt))
{
writer.Write("Incorrect name Recipient");
break;
}
writer.Write("Enter message =>");
writer.Flush();
string messg = reader.ReadLine();
writer.Flush();
var dateIn = DateTime.Now.ToString("d");
controller.AddMessage(messg, dateIn,
controller.GetUsers().First(x => x.Name == currName).Id,
controller.GetUsers().First(x => x.Name == nameRcpt).Id);
writer.WriteLine("Message was sent!");
break;
case "MESSAGES":
if (!isLogin)
{
break;
}
var messages = controller.GetMessages();
var users = controller.GetUsers();
writer.WriteLine();
while (true)
{
writer.WriteLine("Commands: UNREAD - Show new messages; ALL - show all messages; BACK - to main menu");
writer.Write("Enter command => ");
writer.Flush();
command = reader.ReadLine().Trim().ToUpper();
switch (command)
{
case "UNREAD":
foreach (var mess in messages)
{
if (mess.RcptId == users.Find(x => x.Name == currName).Id&&
mess.DateOut == "--:--:--")
{
writer.WriteLine(
$"From <{users.Find(x => x.Id == mess.SenderId).Name}> at {mess.DateIn}: {mess.Messg}");
controller.UpdateMessage(mess.Id, DateTime.Now.ToString("d"));
}
}
writer.WriteLine();
writer.Flush();
break;
case "ALL":
foreach (var mess in messages)
{
if (mess.RcptId == users.Find(x => x.Name == currName).Id)
{
writer.WriteLine(
$"From <{users.Find(x => x.Id == mess.SenderId).Name}> at {mess.DateIn}: {mess.Messg}");
writer.WriteLine();
}
}
writer.WriteLine();
writer.Flush();
break;
case "BACK":
goto MESS;
}
}
MESS :;
break;
case "LOGIN":
writer.Write("Enter login =>");
writer.Flush();
string login = reader.ReadLine();
writer.Write("Enter password =>");
writer.Flush();
string passwd = reader.ReadLine();
if (isLogin = CheckUser(login, passwd, out string name))
{
writer.WriteLine();
writer.WriteLine($"Login successed! Hello {name}");
currName = name;
}
else
{
writer.WriteLine("Login failed");
}
writer.Flush();
break;
case "LOG OUT":
if (isLogin)
{
writer.WriteLine($"\nYou are log out");
isLogin = false;
currName = null;
}
else
{
writer.WriteLine("Login failed");
}
writer.Flush();
break;
case "QUIT":
writer.WriteLine("Good buy!!!");
writer.Flush();
goto END;
}
}
END :;
Console.WriteLine($"Disonnect from IP: {remoteAddr}");
client.Close();
}
catch (Exception ex)
{
Console.WriteLine($"Disonnect from IP: {clientAdrr}");
}
}
