using FluentValidation; using MissionService.API.Application.Commands; namespace MissionService.API.Application.Validations; /// /// EN: Validator for PerformCheckInCommand. /// VI: Validator cho PerformCheckInCommand. /// public class PerformCheckInCommandValidator : AbstractValidator { public PerformCheckInCommandValidator() { RuleFor(x => x.UserId) .NotEmpty().WithMessage("User ID is required / ID người dùng là bắt buộc"); } }