CourseWorkElectronicsShop/ElectronicsShop/ElectronicsShopDataBaseImplement/Models/CostItem.cs

using ElectronicsShopContracts.BindingModels;
using ElectronicsShopContracts.ViewModels;
using ElectronicsShopDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ElectronicsShopDataBaseImplement.Models
{
    public class CostItem : ICostItemModel
    {
        public int ID { get; set; }

        [ForeignKey("EmployeeID")]
        public int EmployeeID { get; set; }

        [Required]
        public string Name { get; set; }= string.Empty;

        [Required]
        public double Price { get; set; }

        [Required]
		public int CostNum { get; set; }

        public virtual Employee Employee { get; set; } 

		public static CostItem? Create(CostItemBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new CostItem()
            {
                ID = model.ID,
                EmployeeID = model.EmployeeID,
                Name = model.Name,
                Price = model.Price,
                CostNum = model.CostNum,
            };
        }
        public void Update(CostItemBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            EmployeeID = model.EmployeeID;
            Name = model.Name;
            Price = model.Price;
            CostNum = model.CostNum;
        }

        public CostItemViewModel GetViewModel => new()
        {
            ID = ID,
            EmployeeID = EmployeeID,
            Name = Name,
            Price = Price,
            CostNum = CostNum,
            EmployeeFIO = Employee.EmployeeFIO
        };
	}
}