/// <summary>
/// Change the password of the user.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void ButtonChangePassword_Clicked(object sender, EventArgs e)
{
if (this.SetupFrameBegin(this.FrameChangePassword, this.StackLayoutChangePasswordContent))
{
string oldPassword = this.EntryCurrentPasswordChangePassword.Text.Trim();
string newPassword = this.EntryNewPasswordChangePassword.Text.Trim();
string newPasswordReenter = this.EntryReenterNewPasswordChangePassword.Text.Trim();
if (newPassword == newPasswordReenter)
{
if (!(newPassword.Length < 8 || newPassword.Length > 16))
{
if (!(newPassword.Contains(" ") || newPassword.Contains(".") || newPassword.Contains("/") || newPassword.Contains("`")))
{
OperationReturnMessage message = await Task.Run(() => this.ChangePassword(oldPassword, newPassword));
if (message == OperationReturnMessage.True)
{
this.LabelChangePasswordMessage.Text = "Password changed successfully.";
await CredentialManager.SaveCredentialAsync(CredentialManager.Username, newPassword, CredentialManager.EmailConfirmed);
}
else if (message == OperationReturnMessage.FalseInvalidCredentials)
{
this.LabelChangePasswordMessage.Text = "Incorrect current password.";
}
else if (message == OperationReturnMessage.FalseNoConnection)
{
this.LabelDeleteAccountMessage.Text = "Failed to connect to server. Please try again.";
}
else
{
this.LabelChangePasswordMessage.Text = "Password change failed - Please try again.";
}
}
else
{
this.LabelChangePasswordMessage.Text =
"New password must not contain empty space, \'.\', \'/\', or \'`\'";
}
}
else
{
this.LabelChangePasswordMessage.Text =
"New password must be greater than 8 characters and less than 16 characters long.";
}
}
else
{
this.LabelChangePasswordMessage.Text = "New passwords do not match.";
}
}
this.SetupFrameEnd(this.StackLayoutChangePasswordContent);
}
/// <summary>
/// when the login button is clicked, attempt to login
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void ButtonLogin_Clicked(object sender, EventArgs e)
{
this.LabelMessage.Text = "";
this.ButtonLogin.IsEnabled = false;
this.ButtonToCreateAccountPage.IsEnabled = false;
string username = this.EntryUsername.Text.Trim();
string password = this.EntryPassword.Text;
this.ActivityIndicator.IsVisible = true;
this.ActivityIndicator.IsRunning = true;
OperationReturnMessage response = await Task.Run(() => ServerOperations.LoginAccount(username, password));
if (response != OperationReturnMessage.FalseFailedConnection)
{
if (response == OperationReturnMessage.True)
{
await CredentialManager.SaveCredentialAsync(username, password, true);
this.OnLoggedIn();
}
else if (response == OperationReturnMessage.TrueConfirmEmail)
{
var confirmationPage = new EmailConfirmationPage(username, password);
confirmationPage.EmailConfirmed += this.OnEmailConfirmed;
await this.Navigation.PushModalAsync(confirmationPage);
await CredentialManager.SaveCredentialAsync(username, password, false);
this.OnLoggedIn();
}
else if (response == OperationReturnMessage.FalseInvalidCredentials)
{
this.LabelMessage.Text = "Login Failed - Username and/or Password are Incorrect.";
}
else
{
this.LabelMessage.Text = "Login Failed.";
}
}
else
{
this.LabelMessage.Text = "Connection failed: Please try again.";
}
this.ButtonToCreateAccountPage.IsEnabled = true;
this.ActivityIndicator.IsRunning = false;
this.ActivityIndicator.IsVisible = false;
this.EntryPassword.Text = "";
this.ButtonLogin.IsEnabled = true;
}
/// <summary>
/// Update local data through synchronzing data with server.
/// Runs on a timed background task and repeats a synchronization every two minutes.
/// </summary>
/// <returns></returns>
public static async Task RunServerChecksAsync()
{
await CredentialManager.CheckLoginStatusAsync();
await Task.Run(async() => await QuizRosterDatabase.UpdateLocalDatabaseAsync());
var minutes = TimeSpan.FromMinutes(2);
Device.StartTimer(minutes, () =>
{
Task task = Task.Run(async() =>
{
if (CredentialManager.IsLoggedIn)
{
await CredentialManager.CheckLoginStatusAsync();
}
await QuizRosterDatabase.UpdateLocalDatabaseAsync();
BugReportHandler.SubmitSavedReports();
});
// Return true to continue the timer
return(true);
});
}
