public async Task Handle(object command)
{
switch (command)
{
case Commands.V1.Create cmd:
if (await _repository.Exists(cmd.Id.ToString()))
{
throw new InvalidOperationException($"Entity with id {cmd.Id} already exists");
}
var classifiedAd = new Domain.ClassifiedAd.ClassifiedAd(
new ClassifiedAdId(cmd.Id),
new UserId(cmd.OwnerId));
await _repository.Add(classifiedAd);
await _unitOfWork.Commit();
break;
case Commands.V1.SetTitle cmd:
await HandleUpdate(cmd.Id,
c => c.SetTitle(ClassifiedAdTitle.FromString(cmd.Title)));
break;
case Commands.V1.UpdateText cmd:
await HandleUpdate(cmd.Id,
c => c.UpdateText(ClassifiedAdText.FromString(cmd.Text)));
break;
case Commands.V1.UpdatePrice cmd:
await HandleUpdate(cmd.Id,
c => c.UpdatePrice(Price.FromDecimal(cmd.Price, cmd.Currency, _currencyLookup)));
break;
case Commands.V1.RequestToPublish cmd:
await HandleUpdate(cmd.Id,
c => c.RequestToPublish());
break;
case Commands.V1.Publish cmd:
await HandleUpdate(cmd.Id, c => c.Publish(new UserId(cmd.ApprovedBy)));
break;
default:
throw new InvalidOperationException(
$"Command type {command.GetType().FullName} is unknown");
}
}
private async Task HandleCreate(Contracts.V1.Create cmd)
{
if (await _repository.Exists(new ClassifiedAdId(cmd.Id)))
{
throw new InvalidOperationException($"Entity with id {cmd.Id} already exists");
}
var classifiedAd = new Domain.ClassifiedAd.ClassifiedAd(new ClassifiedAdId(cmd.Id), new UserId(cmd.OwnerId));
await _repository.Add(classifiedAd);
await _unitOfWork.Commit();
}