ISEbd-21_Sharonov_I_A_Proje.../ProjectAirline/Forms/FormFlights.cs
2024-11-27 00:48:24 +04:00

107 lines
3.1 KiB
C#

using ProjectAirline.Repositories;
using ProjectAirline.Repositories.Implementations;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Linq;
using Unity;
namespace ProjectAirline.Forms;
public partial class FormFlights : Form
{
private readonly IUnityContainer _container;
private readonly IFlightRepository _flightRepository;
public FormFlights(IUnityContainer container, IFlightRepository flightRepository)
{
InitializeComponent();
_container = container ?? throw new ArgumentNullException(nameof(container));
_flightRepository = flightRepository ?? throw new ArgumentNullException(nameof(flightRepository));
}
private void FormFlights_Load(object sender, EventArgs e)
{
try
{
LoadList();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ButtonAdd_Click(object sender, EventArgs e)
{
try
{
_container.Resolve<FormFlight>().ShowDialog();
LoadList();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ButtonUpd_Click(object sender, EventArgs e)
{
if (!TryGetIdentifierFromSelectedRow(out var findId))
{
return;
}
try
{
var form = _container.Resolve<FormFlight>();
form.Id = findId;
form.ShowDialog();
LoadList();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка при изменении", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ButtonDel_Click(object sender, EventArgs e)
{
if (!TryGetIdentifierFromSelectedRow(out var findId))
{
return;
}
if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
return;
}
try
{
_flightRepository.DeleteFlight(findId);
LoadList();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void LoadList() => dataGridViewData.DataSource = _flightRepository.ReadFlights();
private bool TryGetIdentifierFromSelectedRow(out int id)
{
id = 0;
if (dataGridViewData.SelectedRows.Count < 1)
{
MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
id = Convert.ToInt32(dataGridViewData.SelectedRows[0].Cells["Id"].Value);
return true;
}
}