ProjectLib/ProjectLibrary/Forms/FTicket_Extension.cs

using ProjectLibrary.Entites;
using ProjectLibrary.Repositores;

namespace ProjectLibrary.Forms
{
    public partial class FTicket_Extension : Form
    {
        private readonly ITicketExtensionsRepository _ticketExtensionsRepository;
        private int? _extensionId;

        public int Id
        {
            set
            {
                try
                {
                    var ticket = _ticketExtensionsRepository.ReadTicketExtensionById(value);
                    if (ticket == null)
                    {
                        throw new InvalidOperationException("Заказ не найден.");
                    }
                    comboBoxId.SelectedItem = ticket.ReaderID;
                    dtpLastUpdateDate.Text = ticket.LastUpdateDate.ToString();
                    dtpNextUpdateDate.Text = ticket.NextUpdateDate.ToString();
                    _extensionId = value;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при загрузке данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        public FTicket_Extension(ITicketExtensionsRepository ticketRepository)
        {
            InitializeComponent();
            _ticketExtensionsRepository = ticketRepository ?? throw new ArgumentNullException(nameof(ticketRepository));
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(dtpLastUpdateDate.Text) || string.IsNullOrWhiteSpace(dtpNextUpdateDate.Text) || comboBoxId.SelectedItem == null)
                {
                    throw new Exception("Не все поля заполнены.");
                }

                var ticket = TicketExtensions.CreateEntity(
                    _extensionId ?? 0,
                    DateTime.Parse(dtpLastUpdateDate.Text),
                    DateTime.Parse(dtpNextUpdateDate.Text)
                );

                if (_extensionId.HasValue)
                {
                    _ticketExtensionsRepository.UpdateTicketExtension(ticket);
                }
                else
                {
                    _ticketExtensionsRepository.CreateTicketExtension(ticket);
                }
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}