ComputerHardwareStore_YouAreProgrammer/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Component.cs

using ComputerHardwareStoreContracts.BindingModels;
using ComputerHardwareStoreContracts.ViewModels;
using ComputerHardwareStoreDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace ComputerHardwareStoreDatabaseImplement.Models
{
    public class Component : IComponentModel
    {
        public int Id { get; private set; }
        [Required]
        public string Name { get; private set; } = string.Empty;
        [Required]
        public double Cost { get; set; }
        [Required]
        public int StoreKeeperId { get; private set; }
        public virtual StoreKeeper? StoreKeeper { get; set; }

        [ForeignKey("ComponentId")]
        public virtual List<ProductComponent> ProductComponents { get; set; } = new();
        public static Component? Create(ComputerHardwareStoreDBContext context, ComponentBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Component()
            {
                Id = model.Id,
                Name = model.Name,
                Cost = model.Cost,
                StoreKeeper = context.StoreKeepers.First(x => x.Id == model.StoreKeeperId)
            };
        }
        public void Update (ComponentBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
            Cost = model.Cost;
        }

        public ComponentViewModel GetViewModel => new()
        {
            Id = Id,
            Name = Name,
            Cost = Cost
        };
    }
}