private void Call()
{
string targetLogin = connection[0];
if (String.IsNullOrEmpty(targetLogin))
{
connection.SendMessage(CommandSet.Error, ErrorMessageID.UnknownError);
return;
}
bool isFriend;
lock (ThreadSync.Lock)
{
isFriend = IsFriend(targetLogin);
}
if (!isFriend)
{
connection.SendMessage(CommandSet.Error, ErrorMessageID.NotInContacts);
return;
}
bool isOnline;
lock (ThreadSync.Lock)
{
isOnline = UserCollection.IsOnline(targetLogin);
}
if (!isOnline)
{
connection.SendMessage(CommandSet.Call, ErrorMessageID.UserOffline);
return;
}
User targetUser;
try
{
targetUser = UserCollection.GetUserByLogin(targetLogin);
}
catch
{
connection.SendMessage(CommandSet.Error, ErrorMessageID.UnknownError);
return;
}
if (targetUser.IsBusy)
{
connection.SendMessage(CommandSet.Call, ErrorMessageID.UserBusy);
return;
}
connection.SendMessage(CommandSet.Call, targetUser.GetIPString(), targetUser.Firstport, targetUser.SecondPort);
}
private void Invite()
{
string targetLogin = connection[0];
if (String.IsNullOrEmpty(targetLogin) || targetLogin == Login)
{
connection.SendMessage(CommandSet.Error, ErrorMessageID.UnknownError);
return;
}
string message = connection[1];
if (message.Trim().Length == 0) // pozbywamy się pustych wiadomości
{
message = String.Empty;
}
string result;
lock (ThreadSync.Lock)
{
result = Database.AddInvitation(this, targetLogin, message);
}
if (result != ErrorMessageID.OK)
{
connection.SendMessage(CommandSet.Error, result);
return;
}
try
{
User targetUser = UserCollection.GetUserByLogin(targetLogin);
targetUser.NewInvitation(this, message);
}
catch
{
Debug.WriteLine("Użytkownik " + targetLogin + " nie jest online");
}
connection.SendMessage(CommandSet.OK);
}
private void AcceptInvite()
{
string inviterLogin = connection[0];
lock (ThreadSync.Lock)
{
if (!Database.RemoveInvitation(inviterLogin, Login))
{
return;
}
Database.AddContact(inviterLogin, Login);
Database.AddContact(Login, inviterLogin);
}
try
{
User targetUser = UserCollection.GetUserByLogin(inviterLogin);
targetUser.InvitationAccepted(this);
}
catch
{
// jeśli użytkownik nie jest online to nie robimy nic
}
SendContacts();
}