protected override async Task HandleAsync(Guid posId, JObject messagePayload)
{
var cardId = messagePayload[MessageKey].Value <string>();
var offersPage = await _offersService.BrowseOffers(new BrowseOffers { AtPointOfSaleId = posId, ValidAt = DateTime.UtcNow, ResultsPerPage = 1 });
if (offersPage.TotalResults != 1)
{
Logger.LogError("The point of sale {posId} must have exactly one valid offer, else swipes cannot be processed", posId);
return;
}
if (!(offersPage.Items?.SingleOrDefault() is Offer offer))
{
Logger.LogError("A single offer was expected in the offers result set");
return;
}
var command = new ProcessSwipe(AuthenticationMeansType, cardId, posId, offer.Id, 1);
var processResult = await _busPublisher.SendRequest <IProcessSwipe, IIdentifierResult>(command);
if (!processResult.Successful)
{
Logger.LogError(processResult.ToException(), "Could not process swipe");
return;
}
else if (!processResult.Id.HasValue)
{
Logger.LogError("Swipe process was successful but did not yield a sale identifier");
return;
}
var dispenseResult = await _busPublisher.SendRequest(new Commands.DispenseProduct(posId, offer.ProductId));
var confirmResult = await _busPublisher.SendRequest <IConfirmSwipe>(new ConfirmSwipe(posId, processResult.Id.Value));
if (!confirmResult.Successful)
{
Logger.LogError(confirmResult.ToException(), "Could not confirm swipe");
return;
}
Logger.LogInformation($"Successfully handled sale with ID {processResult.Id.Value}");
}
public async Task <ActionResult <IPagedResult <Offer> > > BrowseOffers([FromQuery] BrowseOffers query) => Collection(await _offersService.BrowseOffers(query));
protected override async Task <IEnumerable <Guid> > FindAsync(StockItemIdParameters args)
=> (await _offersService.BrowseOffers(new BrowseOffers()
{
OfStockItemId = args.StockItemId
})).Items.Select(i => i.Id);
protected override async Task <IEnumerable <Guid> > FindAsync(ProductIdParameters args)
=> (await _offersService.BrowseOffers(new BrowseOffers()
{
OfProductId = args.ProductId
})).Items.Select(o => o.Id);
