116 lines
3.5 KiB
C#
116 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using ProjectAirline.Repositories;
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using Unity;
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namespace ProjectAirline.Forms
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{
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public partial class FormPassengers : Form
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{
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private readonly IUnityContainer _container;
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private readonly IPassengerRepository _passengerRepository;
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public FormPassengers(IUnityContainer container, IPassengerRepository
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passengerRepository)
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{
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InitializeComponent();
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_container = container ??
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throw new ArgumentNullException(nameof(container));
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_passengerRepository = passengerRepository ??
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throw new ArgumentNullException(nameof(passengerRepository));
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}
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private void FormPassengers_Load(object sender, EventArgs e)
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{
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try
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{
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при загрузке",
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MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void ButtonAdd_Click(object sender, EventArgs e)
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{
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try
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{
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_container.Resolve<FormPassenger>().ShowDialog();
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при добавлении",
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MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void ButtonRemove_Click(object sender, EventArgs e)
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{
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if (!TryGetIdentifierFromSelectedRow(out var findId))
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{
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return;
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}
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if (MessageBox.Show("Удалить запись?", "Удаление",
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MessageBoxButtons.YesNo) != DialogResult.Yes)
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{
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return;
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}
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try
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{
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_passengerRepository.DeletePassenger(findId);
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при удалении",
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MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void ButtonUpdate_Click(object sender, EventArgs e)
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{
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if (!TryGetIdentifierFromSelectedRow(out var findId))
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{
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return;
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}
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try
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{
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var form = _container.Resolve<FormPassenger>();
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form.Id = findId;
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form.ShowDialog();
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при изменении",
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MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void LoadList() => dataGridView.DataSource =
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_passengerRepository.ReadPassengers();
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private bool TryGetIdentifierFromSelectedRow(out int id)
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{
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id = 0;
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if (dataGridView.SelectedRows.Count < 1)
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{
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MessageBox.Show("Нет выбранной записи", "Ошибка",
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MessageBoxButtons.OK, MessageBoxIcon.Error);
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return false;
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}
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id =
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Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
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return true;
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}
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}
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}
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