private async Task <bool> loginClick()
{
if (usernameText.Text.Length > 0 && passwordHash.Text.Length > 0)
{
string userName = usernameText.Text;
string enteredPassHash = passwordHash.Text;
var user = await userDataService.QueryByUserName(userName);
if (user == null)
{
ShowAlert();
}
else
{
var passed = retrivePasswordHash(enteredPassHash, user.PasswordHash);
if (passed)
{
userItem = user;
PerformSegue("loginSuccesfulSegue", this);
return(true);
}
else
{
ShowAlert();
}
}
}
else
{
ShowAlert();
}
return(false);
}
private async Task <Users> gerUserAsync(string userName)
{
var user = await userDataService.QueryByUserName(userName);
return(user);
}