dotnet-cqrs/Svrnty.CQRS.Grpc.Sample/AddUserCommand.cs

using FluentValidation;
using Svrnty.CQRS.Abstractions;

namespace Svrnty.CQRS.Grpc.Sample;

public record AddUserCommand
{
    public string Name { get; set; } = string.Empty;
    public string Email { get; set; } = string.Empty;
    public int Age { get; set; }
}

public class AddUserCommandValidator : AbstractValidator<AddUserCommand>
{
    public AddUserCommandValidator()
    {
        RuleFor(x => x.Email)
            .NotEmpty()
            .WithMessage("Email is required")
            .EmailAddress()
            .WithMessage("Email must be a valid email address");

        RuleFor(x => x.Name)
            .NotEmpty()
            .WithMessage("Name is required");

        RuleFor(x => x.Age)
            .GreaterThan(0)
            .WithMessage("Age must be greater than 0");
    }
}

public class AddUserCommandHandler : ICommandHandler<AddUserCommand, int>
{
    public Task<int> HandleAsync(AddUserCommand command, CancellationToken cancellationToken = default)
    {
        // Simulate adding a user and returning ID
        return Task.FromResult(123);
    }
}