public void Handle(AlterProduct message)
{
var product = repository.GetById<Products.Domain.Product>(message.Id);
int committedVersion = message.OriginalVersion;
if (!String.Equals(product.Name, message.NewTitle, StringComparison.OrdinalIgnoreCase))
{
product.ChangeName(message.NewTitle, committedVersion++);
}
if (!String.Equals(product.Description, message.NewDescription, StringComparison.OrdinalIgnoreCase))
{
product.ChangeDescription(message.NewDescription, committedVersion++);
}
if (message.NewPrice != product.Price)
{
product.ChangePrice(message.NewPrice, committedVersion);
}
repository.Save(product);
}
public IHttpActionResult Put(Guid id, AlterProductCommand cmd)
{
// TODO: is this to be handled here or in the Aggregate?
if (string.IsNullOrWhiteSpace(cmd.Name))
{
var response = new HttpResponseMessage(HttpStatusCode.Forbidden)
{
Content = new StringContent("code must be supplied in the body"),
ReasonPhrase = "Missing product code"
};
throw new HttpResponseException(response);
}
try
{
var command = new AlterProduct(id, cmd.Version, cmd.Name, cmd.Description, cmd.Price);
handler.Handle(command);
return Ok(command);
}
catch (AggregateNotFoundException)
{
return NotFound();
}
catch (AggregateDeletedException)
{
return Conflict();
}
}