constellation-api/CH.CQRS/Command/Energy/EnableEnergyRateCommand.cs

using CH.CQRS.Service.Energy;
using CH.Dal;
using CH.Dal.DbEntity;
using CH.Dal.Validators;
using FluentValidation;
using OpenHarbor.CQRS.Abstractions;

namespace CH.CQRS.Command.Energy;

public class EnableEnergyRateCommand
{
  public long RateId { get; set; }
}
public class EnableEnergyRateCommandHandler(EnergyService energyService) : ICommandHandler<EnableEnergyRateCommand>
{
  public Task HandleAsync(EnableEnergyRateCommand command, CancellationToken cancellationToken = new CancellationToken())
  {
    return energyService.EnableEnergyRateAsync(new EnableEnergyRateCommandOptions
    {
      RateId = command.RateId
    }, cancellationToken);
  }
}

public class EnableEnergyRateCommandValidator : AbstractValidator<EnableEnergyRateCommand>
{
  public EnableEnergyRateCommandValidator(CHDbContext dbContext)
  {
    RuleFor(command => command.RateId)
      .NotEmpty()
      .SetValidator(new DbEntityExistValidator<EnergyRate,long>(dbContext))
      .WithMessage("The provided Rate Id is invalid.");
  }
}