PIbd-24_Galtsova_E.I_ShoeStore/ShoeStore/Entities/Sale.cs

using DocumentFormat.OpenXml.Office2010.Excel;
using ShoeStore.Entities.Enums;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Unity;
using static System.Runtime.InteropServices.JavaScript.JSType;

namespace ShoeStore.Entities;

public class Sale
{
    public int Id { get; private set; }
    [DisplayName("Дата продажи")]
    public DateTime DateOfSale { get; private set; }

    [Browsable(false)]
    public IEnumerable<ProductSale> Product
    {
        get;
        private set;
    } = [];

    [DisplayName("Продукты")]
    public string Products => Product != null ?
    string.Join(", ", Product.Select(x => $"{x.ProductName}, {x.SalesNumber}")) : string.Empty;

    public static Sale CreateOperation(int id, DateTime date, IEnumerable<ProductSale> product)
    {
        return new Sale
        {
            Id = id,
            DateOfSale = date,
            Product = product
        };
    }

    public void SetProductSales (IEnumerable<ProductSale> products)
    {
        if (products != null && products.Any())
        {
            Product = products;
        }
    }

}