//The user press the sign in button
private async Task SignIn()
{
ProfileInfo user = JsonUtil.GetJsonUser();
//Check if user has an account
if (user == null)
{
SetErrorMessage(2);
OnPropertyChanged(nameof(ErrorLabelMessage));
}
//If the user didn't enter anything in username or password
else if (String.IsNullOrWhiteSpace(username) || String.IsNullOrWhiteSpace(password))
{
//Empty username or password entry
SetErrorMessage(0);
OnPropertyChanged(nameof(ErrorLabelMessage));
}
else if (!user.username.Equals(username) || !user.password.Equals(Security.Hash(password)))
{
//Invalid username or password
SetErrorMessage(1);
OnPropertyChanged(nameof(ErrorLabelMessage));
}
else
{
SystemCache systemCache = JsonUtil.GetJsonSystemCache();
systemCache.isLoggedIn = SystemCache.LOGGED_IN;
string json = JsonUtil.Stringify(systemCache);
JsonUtil.SaveJsonToFile(json, JsonUtil.SYSTEM_CACHE_FILE);
await MyNavigation.PushModalAsync(new MainPage());
}
}
//The user press the forgot password button
private async Task ForgetPassword()
{
ProfileInfo user = JsonUtil.GetJsonUser();
if (user != null)
{
await MyNavigation.PushModalAsync(new ForgetPassword());
}
}
//The user presses the verify
private async Task ResetPassword()
{
//Hash the security answers
String hashPassword1 = Security.Hash(securityAnswer1);
String hashPassword2 = Security.Hash(securityAnswer2);
//Get the security answers from the user profile
//Compare it to the hash and if it matches, and allow the user to verify
if (!user.securityAnswer1.Equals(hashPassword1) || !user.securityAnswer2.Equals(hashPassword2))
{
//Display the passwords do not match error
currErrorMessage = wrongPasswordError;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(currErrorMessage));
}
else
{
//send the user to the reset password page
await MyNavigation.PushModalAsync(new ResetPassword());
}
}
//The user press the sign up button
public async Task CreateAccount()
{
await MyNavigation.PushModalAsync(new CreateAccount());
}