public override Task <BindResult> BindModel(ModelBindingContext bindingContext)
=> Task.FromResult(
BindResult.Create(
GetValue(bindingContext)
.Match(
s => GetData().WithValue(s.Match(_ => _, () => (int?)null)),
() => GetData().WithErrors(new[] { MappingError.Create("Not an Int", typeof(string), typeof(int)) })
)
)
);
public override Task <BindResult> BindModel(ModelBindingContext bindingContext)
=> Task.FromResult(
BindResult.Create(
GetValue(bindingContext)
.Match(
s => s.Match(i => GetData().WithUncheckedValue(i), () => GetData().WithNull()),
() => GetData().WithErrors(new[] { MappingError.Create("Not an Int", typeof(string), typeof(int)) })
)
)
);
private Result <Guid, ValidationError[]> GetGuidValue(ModelBindingContext bindingContext)
=> Guid.TryParse(GetValue(bindingContext), out var guid)
? Result.Success <Guid, ValidationError[]>(guid)
: Result.Failure <Guid, ValidationError[]>(new[] { MappingError.Create("Error mapping input to Guid.", typeof(string), typeof(Guid)) });
private Result <Option <Guid>, ValidationError[]> GetOptionGuidValue(ModelBindingContext bindingContext)
=> GetValue(bindingContext).Match(
some: value =>
Guid.TryParse(value, out var guid)
? Result.Success <Option <Guid>, ValidationError[]>(Option.Some(guid))
: Result.Failure <Option <Guid>, ValidationError[]>(new[] { MappingError.Create("Error mapping input to Guid.", typeof(string), typeof(Guid)) }),
none: () => Result.Success <Option <Guid>, ValidationError[]>(Option.None <Guid>()));
