ProjectLib/ProjectLibrary/Forms/FTicket_Extension.cs

using System;
using System.Windows.Forms;
using ProjectLibrary.Entites;
using ProjectLibrary.Entities;
using ProjectLibrary.Repositories;

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

        public int ID
        {
            set
            {
                try
                {
                    var ticketExtension = _ticketExtensionsRepository.GetTicketExtensionById(value);

                    if (ticketExtension == null)
                    {
                        throw new InvalidOperationException($"Ticket extension with ID {value} not found.");
                    }

                    txtReaderID.Text = ticketExtension.ReaderID.ToString();
                    dtpLastUpdateDate.Value = ticketExtension.LastUpdateDate;
                    dtpNextUpdateDate.Value = ticketExtension.NextUpdateDate;

                    _extensionId = value;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "[ Error : wrong data ]", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        public FTicket_Extension(ITicketExtensionsRepository ticketExtensionsRepository)
        {
            InitializeComponent();
            _ticketExtensionsRepository = ticketExtensionsRepository ?? throw new ArgumentNullException(nameof(ticketExtensionsRepository));
        }

        private void SaveBtn_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(txtReaderID.Text))
                {
                    throw new Exception("[ Error : blank spaces were left, not enough information ]");
                }

                var ticketExtension = CreateTicketExtension();

                if (_extensionId.HasValue)
                {
                    _ticketExtensionsRepository.UpdateTicketExtension(ticketExtension);
                }
                else
                {
                    _ticketExtensionsRepository.AddTicketExtension(ticketExtension);
                }

                MessageBox.Show("Данные успешно сохранены!", "[ Success ]", MessageBoxButtons.OK, MessageBoxIcon.Information);
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "[ Error : while saving ]", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private TicketExtensions CreateTicketExtension()
        {
            return TicketExtensions.CreateEntity(
                int.Parse(txtReaderID.Text),
                dtpLastUpdateDate.Value,
                dtpNextUpdateDate.Value
            );
        }
    }
}