/// <summary>
/// that function is register the new client to the DB.
/// </summary>
public bool Register(string userName, string hashedPassword, string emojiIcon)
{
try
{
using (var ctx = new FourInRowDB_Context())
{
var user = (from u in ctx.Users
where u.UserName == userName
select u).FirstOrDefault();
if (user == null)
{
ctx.Users.Add(new User
{
UserName = userName,
HashedPassword = hashedPassword,
EmojiIcon = emojiIcon
});
ctx.SaveChanges();
}
else
{
var userExists = new UserExistsFault
{
Details = "User name: " + userName + " already Exits On DB, Try something else!"
};
throw new FaultException <UserExistsFault>(userExists);
}
return(true);
}
}
catch (FaultException <UserExistsFault> fault)
{
throw;
}
catch (DbUpdateException ex)
{
var dFault = new DbFault()
{
Details = ex.Message
};
throw new FaultException <DbFault>(dFault);
}
catch (DbException ex)
{
var dFault = new DbFault()
{
Details = ex.Message
};
throw new FaultException <DbFault>(dFault);
}
catch (Exception ex)
{
var exceptionFault = new ExceptionFault()
{
Details = ex.Message + "\n" + "Type: " + ex.GetType()
};
throw new FaultException <ExceptionFault>(exceptionFault);
}
}
/// <summary>
/// that function is connect the registered client to the Server.
/// </summary>
public void Connect(string userName, string hashedPassword)
{
lock (syncObj)
{
if (_clients.ContainsKey(userName))
{
var userExists = new UserExistsFault
{
Details = "User name: " + userName + " already Connected, Try something else!"
};
throw new FaultException <UserExistsFault>(userExists);
}
using (var ctx = new FourInRowDB_Context())
{
var user = (from u in ctx.Users
where u.UserName == userName
select u).FirstOrDefault();
if (user == null)
{
var userNotExists = new UserNotExistsFault
{
Details = "User name: " + userName + " Not Exits On DB, Please Register First!"
};
throw new FaultException <UserNotExistsFault>(userNotExists);
}
else if (user.HashedPassword != hashedPassword)
{
var fault = new WrongPasswordFault
{
Details = "Wrong Password, Please Try Again!"
};
throw new FaultException <WrongPasswordFault>(fault);
}
else
{
_clients.Add(userName, OperationContext.Current.GetCallbackChannel <IFourRowCallback>());
_liveClients.Add(userName, true);
}
}
}
}
