public async static Task ShowClosestStores(IDialogContext context)
{
//simulate user position
Random r = new Random();
Double[] coords = new Double[] {
r.NextDouble() * 180 - 90,
r.NextDouble() * 180 - 90
};
List <Store> stores = StoreController.getClosesStores(coords);
var reply = context.MakeMessage();
reply.AttachmentLayout = AttachmentLayoutTypes.Carousel;
List <Attachment> attachments = new List <Attachment>();
for (var i = 0; i < stores.Count() && i <= N_STORES_MAX; i++)
{
attachments.Add(StoreCard.GetStoreCard(stores[i]).ToAttachment());
}
reply.Attachments = attachments;
await Interactions.SendMessage(context, Interactions.getClosesStore(), 0, 2000);
await context.PostAsync(reply);
}