ISEbd-22_CourseWork_School/School/SchoolDataBaseImplement/Models/Account.cs

using SchoolContracts.BindingModels;
using SchoolContracts.Extensions;
using SchoolContracts.ViewModels;
using SchoolDataModels;
using System.ComponentModel.DataAnnotations;

namespace SchoolDatabaseImplement.Models
{
    public class Account : IAccountModel
    {
        [Required]
        public int StudentByDisciplineId { get; private set; }

        [Required]
        public DateOnly DateOfAccount { get; private set; }

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

        public int Id { get; private set; }

        [Required]
        public StudentByDisciplineId? StudentByDisciplineId { get; private set; }

        public static Account Create(AccountBindingModel model) => model.CastWithCommonProperties<Account, AccountBindingModel>();

        public static implicit operator AccountViewModel(Account? model)
        {
            if (model == null)
            {
                throw new ArgumentNullException("Возникла ошибка при попытки получить View-модель из null-объекта", nameof(model));
            }
            var res = model.CastWithCommonProperties<AccountViewModel, Account>();
            res.StudentByDisciplineId = model.StudentByDisciplineId;
            res.Student = model.StudentByDisciplineId?.Student;
            res.Discipline = model.StudentByDisciplineId?.Discipline;
            return res;
        }
    }
}