public async Task HandleAsync(DeleteParcel command)
{
var parcel = await _parcelRepository.GetAsync(command.ParcelId);
if (parcel is null)
{
throw new ParcelNotFoundException(command.ParcelId);
}
var identity = _appContext.Identity;
if (identity.IsAuthenticated && identity.Id != parcel.CustomerId && !identity.IsAdmin)
{
throw new UnauthorizedParcelAccessException(parcel.Id, identity.Id);
}
if (parcel.AddedToOrder)
{
throw new CannotDeleteParcelException(command.ParcelId);
}
await _parcelRepository.DeleteAsync(command.ParcelId);
await _messageBroker.PublishAsync(new ParcelDeleted(command.ParcelId));
}
public async Task HandleAsync(ParcelAddedToOrder @event)
{
var parcel = await _parcelRepository.GetAsync(@event.ParcelId);
if (parcel is null)
{
return;
}
parcel.AddToOrder(@event.OrderId);
await _parcelRepository.UpdateAsync(parcel);
}
public async Task HandleAsync(ParcelDeletedFromOrder @event)
{
var parcel = await _parcelRepository.GetAsync(@event.ParcelId);
if (parcel is null)
{
return;
}
parcel.DeleteFromOrder();
await _parcelRepository.UpdateAsync(parcel);
}
public async Task HandleAsync(DeleteParcel command)
{
var parcel = await _parcelRepository.GetAsync(command.Id);
if (parcel is null)
{
throw new ParcelNotFoundException(command.Id);
}
if (parcel.AddedToOrder)
{
throw new CannotDeleteParcelException(command.Id);
}
await _parcelRepository.DeleteAsync(command.Id);
_logger.LogInformation($"Deleted a parcel with id: {command.Id}");
await _messageBroker.PublishAsync(new ParcelDeleted(command.Id));
}
