private async Task <List <ListingCard> > Ebay()
        {
            List <ListingCard> listingCards = new List <ListingCard>();
            List <EbayItem>    listings     = await manager.GetEbay();

            if (listings != null)
            {
                foreach (EbayItem item in listings)
                {
                    listingCards.Add(new ListingCard()
                    {
                        id            = item.ItemID,
                        title         = item.Title,
                        description   = item.Description.Length > 50 ? item.Description.Substring(0, 50) : item.Description,
                        condition     = item.ConditionDisplayName,
                        price         = item.ConvertedCurrentPrice.Value.ToString() ?? "UNKOWN",
                        published_at  = DateTime.Now,
                        photo         = item.PictureURL.ToList().FirstOrDefault(),
                        listingLink   = item.ViewItemURLForNaturalSearch,
                        resourcePhoto = "ebay.png"
                    });;
                }
            }
            return(listingCards);
        }