ProjectLib/ProjectLibrary/Forms/FOrder.cs

using ProjectLibrary.Repositories;
using Unity;
using ProjectLibrary.Entites;

namespace ProjectLibrary.Forms
{
    public partial class FOrder : Form
    {
        private readonly IUnityContainer _container;
        private readonly IOrderRepository _orderRepository;
        

        private int? _orderId;

        public FOrder(IUnityContainer container, IOrderRepository orderRepository, IBookOrderRepository bookOrderRepository)
        {
            InitializeComponent();
            _container = container ?? throw new ArgumentNullException(nameof(container));
            _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
           
        }

        private void FOrder_Load(object sender, EventArgs e)
        {
            try
            {
                if (_orderId.HasValue)
                {
                    LoadOrderData(_orderId.Value);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при загрузке данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public int OrderID
        {
            set
            {
                _orderId = value;
            }
        }

        private void LoadOrderData(int orderId)
        {
            var order = _orderRepository.ReadOrderById(orderId);
            //var bookOrders = _bookOrderRepository.GetBookOrderByOrderId(orderId);

            if (order == null)
            {
                throw new InvalidOperationException("Данные заказа не найдены.");
            }

            txtOrderDate.Text = order.OrderDate.ToString("yyyy-MM-dd");
            txtReturnDate.Text = order.ReturnDate.ToString("yyyy-MM-dd");
            comboBox1.SelectedItem = order.ReaderID.ToString();

            dataGridViewIDBook.Rows.Clear();
            //foreach (var bookOrder in bookOrders)
            //{
            //    dataGridViewIDBook.Rows.Add(bookOrder.BookID);
            //}
        }

        private List<Book_Orders> CreateListMaterialFromDataGrid()
        {
            var list = new List<Book_Orders>();
            foreach (DataGridViewRow row in dataGridViewIDBook.Rows)
            {
                if (row.Cells["ColumnMaterials"].Value == null || row.Cells["ColumnCount"].Value == null)
                {
                    continue;
                }
                list.Add(Book_Orders.CreateEntity(0, Convert.ToInt32(row.Cells["ColumnMaterials"].Value)));
            }
            return list;
        }
        private void ButtonSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(txtOrderDate.Text) || string.IsNullOrWhiteSpace(txtReturnDate.Text))
                {
                    throw new Exception("Не все поля заполнены.");
                }


                var updatedOrder = Orders.CreateEntity(
                    _orderId ?? 0,
                    DateTime.Parse(txtOrderDate.Text),
                    DateTime.Parse(txtReturnDate.Text),
                    int.Parse(comboBox1.SelectedItem.ToString()),
                    CreateListMaterialFromDataGrid()
                    
                );

                if (_orderId.HasValue)
                {
                    _orderRepository.UpdateOrder(updatedOrder);
                }
                else
                {
                    _orderRepository.CreateOrder(updatedOrder);
                }

                MessageBox.Show("Данные успешно сохранены.", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void ButtonCancel_Click(object sender, EventArgs e)
        {
            Close();
        }
    }
}