CourseWork_Bank/Bank/BankDatabaseImplement/Models/Operation.cs

using BankContracts.BindingModels;
using BankContracts.SearchModels;
using BankContracts.ViewModels;
using BankDatabaseImplement.Implements;
using BankDataModels;
using BankDataModels.ProxyModels;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace BankDatabaseImplement.Models
{
    public class Operation : IOperationModel
    {
        [Required]
        public int EmployeeId { get; private set; }
        [Required]
        public string Model { get; private set; } = string.Empty;
        [Required]
        public double Price { get; private set; }
        [Required]
        public string Mark { get; private set; } = string.Empty;

        public int Id { get; private set; }
        [Required]
        public Employee? Employee { get; private set; }

        [Required]
        public List<OperationByPurchase> Purchases { get; private set; } = new();

        public static Operation Create(OperationBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Operation()
            {
                EmployeeId = model.EmployeeId,
                Model = model.Model,
                Price = model.Price,
                Mark = model.Mark,
                Id = model.Id,
            };
        }

        public OperationViewModel GetViewModel => new()
        {
            EmployeePhoneNumber = Employee?.PhoneNumber ?? string.Empty,
            EmployeeId = EmployeeId,
            Model = Model,
            Price = Price,
            Mark = Mark,
            Id = Id,
            Purchases = Purchases.Select(x => x.Purchase?.GetViewModel2).ToList(),
        };

        public void Update(OperationBindingModel model)
        {
            Price = model.Price;
        }
    }
}