using FluentValidation; public class OpenEncounterRequestValidator : AbstractValidator { public OpenEncounterRequestValidator() { RuleFor(x => x.EncounterType).IsInEnum(); RuleFor(x => x.Department).IsInEnum(); RuleFor(x => x.AttendingPhysician).NotEmpty().MaximumLength(200); RuleFor(x => x.RoomBed).MaximumLength(20) .When(x => x.RoomBed is not null); RuleFor(x => x.AdmissionReason).MaximumLength(500) .When(x => x.AdmissionReason is not null); } }