dotnet minimal api extension method for logic validation

 app.MapPost(
            "create-income-register",
            [Authorize]
            async (
                CancellationToken token,
                [FromBody]
                CreateIncomeRegisterRequest request,
                [FromServices]
                IRegisterService registerService
            ) => 
            {
                if (!RegisterType.CheckIfIsValidType(request.Type, out bool isTransfer))
                {
                    throw new InvalidRegisterTypeException();
                }

                if(!RegisterRepetitionType.CheckIfIsValidType(request.RepetitionType))
                {
                    throw new InvalidRegisterRepetitionTypeException();
                }
                
                if(!Periodicities.CheckIfIsValidType(request.Periodicity))
                {
                    throw new InvalidPeriodicityException();
                }

                await registerService.CreateIncomeRegister(request, token);
                return Results.Ok();
            }
        );

        app.MapPost(
            "create-income-register",
            [Authorize]
            async (
                CancellationToken token,
                [FromBody]
                CreateIncomeRegisterRequest request,
                [FromServices]
                IRegisterService registerService
            ) => 
            {
                await registerService.CreateIncomeRegister(request, token);
                return Results.Ok();
            }
        ).WithRegisterValidation();