private async Task ShowRecommendations(IDialogContext context, IAwaitable <object> result)
{
await Interactions.SendMessage(context, "Tenho tantos produtos que sei que poderiam ser do seu interesse. Espere só um momento, vou analisar o nosso catálogo.", 0, 4000);
List <Product> products = new List <Product>();
List <Filter> popular = RecommendationsLogic.GetPopularFilters(StateHelper.GetFiltersCount(context));
while (true)
{
FilterDefinition <Product> joinedFilters = FilterLogic.GetJoinedFilter(popular);
//fetch +1 product to see if pagination is needed
products = ProductController.getProductsFilter(
joinedFilters,
Constants.N_ITEMS_CARROUSSEL + 1,
this.lastFetchId);
//filters didn't retrieved any products at the first try
if (products.Count == 0 && lastFetchId == null)
{
popular.RemoveAt(popular.Count - 1);
}
else
{
break;
}
}
List <string> currentWishlist = StateHelper.GetWishlistItems(context);
foreach (string str in currentWishlist)
{
ObjectId obj = new ObjectId(str);
List <Product> l = Logic.RecommendationsLogic.GetSimilarProducts(obj);
products.InsertRange(0, l);
}
if (products.Count > Constants.N_ITEMS_CARROUSSEL)
{
lastFetchId = products[products.Count - 2].Id;
}
var reply = context.MakeMessage();
reply.AttachmentLayout = AttachmentLayoutTypes.Carousel;
List <Attachment> cards = new List <Attachment>();
for (int i = 0; i < products.Count && i < Constants.N_ITEMS_CARROUSSEL; i++)
{
cards.Add(ProductCard.GetProductCard(products[i], ProductCard.CardType.RECOMMENDATION).ToAttachment());
}
await Interactions.SendMessage(context, "Estas são as minhas recomendações:", 0, 2000);
reply.Attachments = cards;
await context.PostAsync(reply);
//Check if pagination is needed
if (products.Count <= Constants.N_ITEMS_CARROUSSEL)
{
context.Done(new CODE(DIALOG_CODE.DONE));
}
else
{
await Interactions.SendMessage(context, "Ainda tenho mais recomendações para si. Se for do seu interesse não hesite, carregue no botão abaixo.", 2000, 2000);
reply = context.MakeMessage();
reply.Attachments.Add(
getCardButtonsAttachment(new List <ButtonType> {
ButtonType.PAGINATION
}, DialogType.RECOMMENDATION));
await context.PostAsync(reply);
context.Wait(this.InputHandler);
}
}
