public ValidationResultOr <TResult> Try <TResult>(Func <TRight, ValidationResultOr <TResult> > func)
{
if (either.IsLeft)
{
return(new ValidationResultOr <TResult>(either.GetLeftUnsafe(), IsNull));
}
if (func == null)
{
return(new ValidationResultOr <TResult>(new ValidationResult(ValidationMessage.Fehler("Hier darf kein null stehen"))));
}
try
{
ValidationResultOr <TResult> result = func.Invoke(either.GetRightUnsafe());
if (result.either.IsLeft || result.either.GetRightUnsafe() != null)
{
return(result);
}
var validationMessage = new ValidationMessage($"{typeof(TResult)} darf nicht null sein.", ValidationLevel.Error);
return(new ValidationResultOr <TResult>(new ValidationResult(validationMessage), true));
}
catch (Exception e)
{
var result = new ValidationMessage(e);
return(new ValidationResultOr <TResult>(new ValidationResult(result)));
}
}
public ValidationResultOr <TResult> Try <TResult>(Func <TRight, TResult> func)
{
if (either.IsLeft)
{
return(new ValidationResultOr <TResult>(ValidationResult, IsNull));
}
if (func == null)
{
return(new ValidationResultOr <TResult>(new ValidationResult(ValidationMessage.Fehler("Hier darf kein null stehen"))));
}
try
{
TResult resultFromFunction = func.Invoke(either.GetRightUnsafe());
if (resultFromFunction == null)
{
return(new ValidationResultOr <TResult>(new ValidationResult(new ValidationMessage($"Die Funktion {func.Method} hat null zurückgegeben", ValidationLevel.Error)), true));
}
return(resultFromFunction);
}
catch (Exception e)
{
return(new ValidationResult(new ValidationMessage(e)));
}
}
