private void TaskAwaiter_Error(object sender, Exception args)
{
if (args is InstagramException instagramException)
{
((IInstagramAccounts)Activity).ForceLogoutAsync(instagramException.Account);
((ISnackBarProvider)Activity).ShowSnackBar(Resource.String.msg_logged_out,
instagramException.Account.Data.User.Username);
if (_adapter.ItemCount > 0)
{
((IFragmentContainer)Activity).ShowContentView();
}
else
{
((IFragmentContainer)Activity).ShowEmptyView();
if (!_hasPushedToLoginFragment)
{
((IFragmentContainer)Activity).PushFragment(new LoginFragment());
_hasPushedToLoginFragment = true;
}
}
}
else if (args is HttpRequestException)
{
((ISnackBarProvider)Activity).ShowSnackBar(Resource.String.error_offline);
if (_adapter.ItemCount > 0)
{
((IFragmentContainer)Activity).ShowContentView();
}
else
{
((IFragmentContainer)Activity).ShowEmptyView();
}
}
else if (args is ChallengeException challenge)
{
var challengeFragment = new ChallengeFragment(challenge.Account);
((IFragmentContainer)Activity).PushFragment(challengeFragment);
}
else
{
((IFragmentContainer)Activity).ShowErrorView(args);
}
}
private async void VerifyButton_OnClick(object sender, EventArgs e)
{
_textInput.Enabled = false;
_resendButton.Enabled = false;
_verifyButton.Enabled = false;
try
{
await((IInstagramAccounts)Activity)
.CompleteTwoFactorLoginAsync(_account, _textInput.Text);
#if TGBUILD || DEBUG
((IUpdateChecker)Activity).DidLogin();
#endif
((IFragmentContainer)Activity).PopFragment();
}
catch (ChallengeException ex)
{
var challengeFragment = new ChallengeFragment(ex.Account);
((IFragmentContainer)Activity).PushFragment(challengeFragment);
_didChallenge = true;
}
catch (InvalidTwoFactorCodeException)
{
((ISnackBarProvider)Activity).ShowSnackBar(Resource.String.error_invalid_2fa);
}
catch (TwoFactorCodeExpiredException)
{
((ISnackBarProvider)Activity).ShowSnackBar(Resource.String.error_2fa_expired);
}
catch (Exception ex)
{
((IErrorHandler)Activity).ShowError(ex);
}
finally
{
_textInput.Enabled = true;
_resendButton.Enabled = true;
_verifyButton.Enabled = true;
}
}
private async void LoginButton_Click(object sender, EventArgs e)
{
var usernameIsNull = string.IsNullOrEmpty(_userNameEditText.Text);
var passwordIsNull = string.IsNullOrWhiteSpace(_passwordEditText.Text);
if (usernameIsNull && passwordIsNull)
{
_userNameInputLayout.Error = " ";
_passwordInputLayout.Error = GetString(Resource.String.error_required_field);
_userNameEditText.TextChanged += ErrorEditLayoutChangeHandler;
_passwordEditText.TextChanged += ErrorEditLayoutChangeHandler;
return;
}
if (usernameIsNull)
{
_userNameInputLayout.Error = GetString(Resource.String.error_required_field);
_userNameEditText.TextChanged += ErrorEditLayoutChangeHandler;
return;
}
if (passwordIsNull)
{
_passwordInputLayout.Error = GetString(Resource.String.error_required_field);
_passwordEditText.TextChanged += ErrorEditLayoutChangeHandler;
return;
}
try
{
_userNameEditText.Enabled = false;
_passwordEditText.Enabled = false;
_loginButton.Enabled = false;
await((IInstagramAccounts)Activity).AddAccountAsync(_userNameEditText.Text, _passwordEditText.Text);
#if TGBUILD || DEBUG
((IUpdateChecker)Activity).DidLogin();
#endif
((IFragmentContainer)Activity).PopFragment();
}
catch (TwoFactorAuthException twoFactorAuth)
{
// Navigate to 2FA fragment
var twoFactorAuthFragment = new TwoFactorAuthFragment(twoFactorAuth.Account);
((IFragmentContainer)Activity).PushFragment(twoFactorAuthFragment);
_didTwoFactorAuthentication = true;
}
catch (WrongPasswordException)
{
_passwordEditText.Error = GetString(Resource.String.error_invalid_password);
_passwordEditText.TextChanged += ErrorEditLayoutChangeHandler;
}
catch (InvalidCredentialException)
{
_userNameInputLayout.Error = " ";
_passwordInputLayout.Error = GetString(Resource.String.error_invalid_credential);
_userNameEditText.TextChanged += ErrorEditLayoutChangeHandler;
_passwordEditText.TextChanged += ErrorEditLayoutChangeHandler;
}
catch (DuplicateAccountException)
{
_userNameInputLayout.Error = GetString(Resource.String.error_duplicate_account);
_passwordInputLayout.Error = " ";
_userNameEditText.TextChanged += ErrorEditLayoutChangeHandler;
_passwordEditText.TextChanged += ErrorEditLayoutChangeHandler;
}
catch (ChallengeException ex)
{
var challengeFragment = new ChallengeFragment(ex.Account);
((IFragmentContainer)Activity).PushFragment(challengeFragment);
_didTwoFactorAuthentication = true;
}
catch (Exception ex)
{
((IErrorHandler)Activity).ShowError(ex);
}
finally
{
_userNameEditText.Enabled = true;
_passwordEditText.Enabled = true;
_loginButton.Enabled = true;
}
}
