public IObservable <Unit> Login(string username, string password)
{
var credentials = Observable.Return(new Credentials(username, password));
var dbCheck = credentials.SelectMany(cred =>
{
if (String.IsNullOrEmpty(cred.Username) || String.IsNullOrEmpty(cred.Password))
{
return(Observable.Throw <User>(new ArgumentException(FileLanguage.Error_EmptyUsernameOrPassword)));
}
foreach (var user in from u in UserDatabase.Users where u.Username == cred.Username select u)
{
if (user.Password == cred.Password)
{
return(Observable.Return <User>(user));
}
else
{
return(Observable.Throw <User>(new ArgumentException(FileLanguage.BAD_LOGIN)));
}
}
return(Transport.CheckUser(cred.Username, cred.Password)
.ObserveOnDispatcher()
.Select(_ => CreateUser(username, password)));
});
return(dbCheck.ObserveOnDispatcher()
.Do(user =>
{
LoggedUser = user;
App.Engine.StatisticsManager.LogUserLogin(_loggedUser);
})
.Select(_ => new Unit()));
}
