private async void SignInButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (string.IsNullOrWhiteSpace(SignInUsername) || string.IsNullOrWhiteSpace(SignInPassword))
{
throw new InvalidOperationException("Please enter your username and password");
}
var user = IMService.GetUser(SignInUsername);
if (user == null)
{
throw new InvalidOperationException("Invalid username, please try again");
}
if (user.Password != SignInPassword)
{
throw new InvalidOperationException("Wrong password, please try again");
}
await IMService.SetUsernameInDb(SignInUsername);
RaiseSignInEvent(this, new SignInEventArgs(SignInUsername));
Close();
}
catch (InvalidOperationException exception)
{
MessageBox.Show(exception.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private User GetSelectedUser()
{
if (SelectedContact == null)
{
return(null);
}
return(IMService.GetUser(SelectedContact.Username));
}
public void AddContactButton_RaiseContactAddedEvent(object sender, ContactAddedEventArgs e)
{
var contact = IMService.GetUser(e.Username);
if (contact != null)
{
IMService.AddContact(LoggedInUser, contact);
ContactsCollection.Add(contact);
ContactsDetails.Add(new ContactDetails {
Username = contact.Username, FirstName = contact.FirstName, LastName = contact.LastName
});
}
}
private void AddButton_Click(object sender, RoutedEventArgs e)
{
var user = IMService.GetUser(ContactUsername);
if (user == null)
{
MessageBox.Show("Invalid username. Please try again.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
RaiseContactAddedEvent(this, new ContactAddedEventArgs(user.Username));
Close();
return;
}
}
//Constructor
public MainWindow()
{
var username = IMService.GetUsernameFromDb();
if (username != null && IMService.GetUser(username) != null)
{
LoggedInUser = IMService.GetUser(username);
InitProgram();
var timer = new System.Threading.Timer(state => CheckForNewMessagesAndContacts(), null, DefaultMessageRefreshTime, Timeout.Infinite);
}
else
{
Hide();
Login();
}
}
public void SignInButton_RaiseSignInEvent(object sender, SignInEventArgs e)
{
LoggedInUser = IMService.GetUser(e.Username);
InitProgram();
}
