classlib/ExpenseTracker.Application/Accounts/Commands/Update/UpdateAccountCommandValidator.cs

using FluentValidation;

namespace ExpenseTracker.Application.Accounts.Commands.Update;

public class UpdateAccountCommandValidator : AbstractValidator<UpdateAccountCommand>
{
    public UpdateAccountCommandValidator()
    {
        RuleFor(e => e.Id)
            .NotEmpty();

        RuleFor(e => e.Name);

        RuleFor(e => e.UserId)
            .NotEmpty();
    }
}