public async Task ShowWishesAsync(IDialogContext context, IAwaitable <IMessageActivity> activity)
{
List <string> wishes = StateHelper.GetWishlistItems(context);
//Retrive wishes information
var to_retrieve = wishes;
//options
List <ButtonType> buttons = new List <ButtonType>();
//fetch only a limited number of wishes
if (wishes.Count() > Constants.N_ITEMS_CARROUSSEL)
{
to_retrieve = wishes.Skip(this.skip)
.Take(Constants.N_ITEMS_CARROUSSEL)
.ToList();
}
var products = new List <Product>();
foreach (string i in to_retrieve)
{
products.Add(ProductController.getProduct(i));
}
//Prepare answer
var reply = context.MakeMessage();
var text = "";
var button_text = "";
// No products on wishlsit
if (products.Count == 0)
{
text = Interactions.getWishList(Interactions.State.FAIL, 0);
await context.PostAsync(text);
}
// Has Products
else
{
text = Interactions.getWishList(Interactions.State.SUCCESS, skip / Constants.N_ITEMS_CARROUSSEL + 1);
await Interactions.SendMessage(context, text, 0, 2500);
//display products
reply = context.MakeMessage();
reply.AttachmentLayout = AttachmentLayoutTypes.Carousel;
List <Attachment> cards = new List <Attachment>();
//limit
for (var i = 0; i < products.Count && i < Constants.N_ITEMS_CARROUSSEL; i++)
{
cards.Add(ProductCard.GetProductCard(products[i], ProductCard.CardType.WISHLIST).ToAttachment());
}
reply.Attachments = cards;
await context.PostAsync(reply);
//Check if pagination is needed and display wishes
if (wishes.Count() > this.skip + Constants.N_ITEMS_CARROUSSEL)
{
buttons.Add(ButtonType.PAGINATION);
skip += skip + Constants.N_ITEMS_CARROUSSEL;
button_text += "Não consegui exibir todos os seus produtos favoritos. Se desejar ver mais clique no botão abaixo.";
}
}
//add option add more products
buttons.Add(ButtonType.ADD_PRODUCT);
button_text += "\nSe desejar adicionar mais produtos aos seus favoritos faça uma pesquisa no nosso catálogo. Para isso, clique no botão abaixo.";
await Interactions.SendMessage(context, button_text, 2000, 2000);
//show options
reply = context.MakeMessage();
reply.Attachments.Add(getCardButtonsAttachment(buttons, DialogType.WISHLIST));
await context.PostAsync(reply);
context.Wait(this.InputHandler);
}
