using FluentValidation; namespace ContactService.WebApi.Controllers { public class FriendRequestAddRequest { public Guid TargetId { get; set; } public string? Description { get; set; } public string? RemarkName { get; set; } } public class FriendRequestAddRequestValidator : AbstractValidator { public FriendRequestAddRequestValidator() { RuleFor(r => r.TargetId) .NotEmpty() .NotNull() ; } } }