/// <summary>
/// "Create" - button clicked.
/// Validates and creates new user.
/// Redirect to Home page if successfull.
/// </summary>
public async void CreateButtonClicked()
{
using (UserDialogs.Instance.Loading("Creating user..."))
{
// Run validation on input fields.
string[] emailErrors = await DefaultValidator.ValidEmailCreateNewAsync(this.Email);
string[] passwordErrors = DefaultValidator.ValidPassword(this.Password);
string[] usernameErrors = DefaultValidator.ValidUsername(this.Username);
// Check for errors
if (emailErrors.Length == 0 && passwordErrors.Length == 0 && usernameErrors.Length == 0)
{
// No errors
// Create user in database
try
{
await this._userService.CreateNewUserAsync(Email, Password, Username);
// Redirect to login page
await Application.Current.MainPage.Navigation.PushModalAsync(new AboutPage(), true);
}
catch (Exception e)
{
// An unexpected error occured, so user could not be created.
// Show generic error message to user.
ShowAlert("An error occured. User could not be created.");
}
}
else
{
// Errors in user input.
// Display errors.
string errorMessage = "Invalid user data:" + System.Environment.NewLine;
foreach (var error in emailErrors)
{
errorMessage += System.Environment.NewLine + error;
}
foreach (var error in passwordErrors)
{
errorMessage += System.Environment.NewLine + error;
}
foreach (var error in usernameErrors)
{
errorMessage += System.Environment.NewLine + error;
}
ShowAlert(errorMessage);
// Color fields with errors.
}
}
}
public void ValidPassword_ValidValues_ShouldReturnEmptyErrorList(string validateString)
{
// Arrange
string testString = validateString;
// Act
var errorList = DefaultValidator.ValidPassword(validateString);
// Assert
Assert.IsEmpty(errorList);
}
/// <summary>
/// Login button click event.
/// </summary>
public async void LoginButtonClicked()
{
using (UserDialogs.Instance.Loading("Validating..."))
{
string[] emailErrors = DefaultValidator.ValidEmailLogin(this.Email);
string[] passwordErrors = DefaultValidator.ValidPassword(this.Password);
if (emailErrors.Length == 0 && passwordErrors.Length == 0)
{
using (UserDialogs.Instance.Loading("Logging in..."))
{
try
{
// Login values are valid
// Proceed to login validation
bool loginSucceed = await this._userService.LoginUserAsync(this.Email, this.Password);
if (loginSucceed)
{
// User login was successfull
// Save user data to local DB, for login after app shutdown.
await App.LocalUserDatabase.SaveLocalUserDataAsync(new Models.UserLocal(Email, Password));
// Redirect to main page
this.RedirectToMainPage();
}
else
{
// User login was not successfull
// Empty input fields and display error
this.Email = "";
this.Password = "";
ShowAlert("Wrong email or password.");
}
}
catch
{
ShowAlert("An unkown error occured. Please try again.");
}
}
}
else
{
// Login values are not valid
// Display error message
string errorMessage = "An error occured during login" + System.Environment.NewLine;
foreach (var error in emailErrors)
{
errorMessage += System.Environment.NewLine + error;
}
foreach (var error in passwordErrors)
{
errorMessage += System.Environment.NewLine + error;
}
ShowAlert(errorMessage);
}
}
}