ISEbd-21_Zinovev_V.V._FurnitureAssembly/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Workpiece.cs

using FurnitureAssemblyContracts.BindingModels;
using FurnitureAssemblyContracts.ViewModels;
using FurnitureAssemblyDataModels.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 FurnitureAssemblyDatabaseImplement.Models
{
    public class Workpiece : IWorkpieceModel
    {
        public int Id { get; private set; }

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

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

        // для реализации связи многие ко многим с изделиями
        [ForeignKey("WorkpieceId")]
        public virtual List<FurnitureWorkpiece> FurnitureWorkpieces { get; set; } = new();

        public static Workpiece? Create(WorkpieceBindingModel model)
        {
            if (model == null)
            {
                return null;
            }

            return new Workpiece()
            {
                Id = model.Id,
                WorkpieceName = model.WorkpieceName,
                Cost = model.Cost
            };
        }

        public static Workpiece Create(WorkpieceViewModel model)
        {
            return new Workpiece
            {
                Id = model.Id,
                WorkpieceName = model.WorkpieceName,
                Cost = model.Cost
            };
        }

        public void Update(WorkpieceBindingModel model)
        {
            if (model == null)
            {
                return;
            }

            WorkpieceName = model.WorkpieceName;
            Cost = model.Cost;
        }

        public WorkpieceViewModel GetViewModel => new()
        {
            Id = Id,
            WorkpieceName = WorkpieceName,
            Cost = Cost
        };
    }
}