demo_trade/UI/Presenters/ProductPresenter.cs

using Avalonia.Media;
using Avalonia.Media.Imaging;
using demo_trade.Models;
using System.Threading.Tasks;


namespace demo_trade.UI.Presenters
{
    public class ProductPresenter
    {
        public string ArticleNumber { get; set; }
        public string Name { get; set; }

        public string Description { get; set; }
        public decimal Cost { get; set; }

        public short? DiscountAmount { get; set; }

        public int? QuantityInStock { get; set; }

        public string Image { get; set; }
        public int? ProductMaxDiscount { get; set; }


        public decimal? CostWithDiscount { get => Cost - (Cost * DiscountAmount / 100); }

        public Manufacturer Manufacturer { get; set; }

        public SolidColorBrush ColorBackgroundItem { get => DiscountAmount < 15 ?
                new SolidColorBrush(Color.FromRgb(255, 255, 255))
                :
                new SolidColorBrush(Color.FromRgb(255, 245, 0));
                }

    }
}