ComputerHardwareStore_YouAreProgrammer/ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Vendor.cs

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

namespace ComputerHardwareStoreDatabaseImplement.Models
{
    public class Vendor : IVendorModel
    {
        public int Id { get; private set; }
        [Required]
        public string Name { get; private set; } = string.Empty;
        [Required]

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

        public string Password { get; private set; } = string.Empty;
        [ForeignKey("VendorId")]
        public virtual List<Purchase> Purchases { get; set; } = new();
        [ForeignKey("VendorId")]
        public virtual List<Build> Builds { get; set; } = new();

        public static Vendor? Create(ComputerHardwareStoreDBContext context, VendorBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Vendor()
            {
                Id = model.Id,
                Name = model.Name,
                Login = model.Login,
                Password = model.Password,
            };
        }
        public void Update(VendorBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
            Password = string.IsNullOrEmpty(model.Password) ? Password : model.Password;
        }

        public VendorViewModel GetViewModel => new()
        {
            Id = Id,
            Name = Name,
            Login = Login,
            Password = Password
        };
    }
}