// model is basically not correct, so don't validate kz83 value
static Lst <KzFieldError> ValidateKz83(KzFieldSet fieldSet, int fieldNumber) =>
fieldSet.GetValue(fieldNumber).Map(x => x.GetDecimalValue())
.Map(fieldValue => CalculateKz83(fieldSet)
.Apply(
estimatedValue => Math.Abs(fieldValue - estimatedValue.Value) > 0.01m
? List(KzFieldError.MustBeCloseToValue(estimatedValue.Value, 0.01m))
: Lst <KzFieldError> .Empty))
.IfNone(Lst <KzFieldError> .Empty);
public Kz83Calculator(KzFieldSet fieldSet)
{
this.fieldSet = fieldSet ?? throw new ArgumentNullException(nameof(fieldSet));
}
static Money CalculateKz83(KzFieldSet fieldSet) =>
new Kz83Calculator(fieldSet)
.Calculate().IfFail(_ => throw new InvalidOperationException("Can't happen"));
UstvaKzFields(KzFieldSet fieldSet)
{
this.FieldSet = fieldSet;
}