SUBD_TransportCompany/TransportCompany/TransportCompanyDatabaseImplement/Models/Transport.cs

using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using TransportCompanyContracts.BindingModels;
using TransportCompanyContracts.ViewModels;
using TransportCompanyDataModels.Models;

namespace TransportCompanyDatabaseImplement.Models
{
    public class Transport : ITransportModel
    {
        public int Id { get; private set; }
        [Required]
        public string Model { get; private set; } = string.Empty;
        [Required]
        public int LoadCapacity { get; private set; }
        [Required]
        public string StateNumber { get; private set; } = string.Empty;

        [ForeignKey("TransportId")]
        public virtual List<Transportation> Transportations { get; set; } = new();

        public static Transport? Create(TransportBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Transport()
            {
                Id = model.Id,
                Model = model.Model,
                LoadCapacity = model.LoadCapacity,
                StateNumber = model.StateNumber
            };
        }

        public static Transport Create(TransportViewModel model)
        {
            return new Transport()
            {
                Id = model.Id,
                Model = model.Model,
                LoadCapacity = model.LoadCapacity,
                StateNumber = model.StateNumber
            };
        }

        public void Update(TransportBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Model = model.Model;
            LoadCapacity = model.LoadCapacity;
            StateNumber = model.StateNumber;
        }

        public TransportViewModel GetViewModel => new()
        {
            Id = Id,
            Model = Model,
            LoadCapacity = LoadCapacity,
            StateNumber = StateNumber
        };
    }
}