ISEbd-21_Sharonov_I_A_ProjectAirline/ProjectAirline/Forms/FormFlight.cs

using ProjectAirline.Entities;
using ProjectAirline.Repositories;
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;

namespace ProjectAirline.Forms;


public partial class FormFlight : Form
{
    private readonly IFlightRepository _flightRepository;
    private int? _flightId;

    public int Id
    {
        set
        {
            try
            {
                var flight = _flightRepository.ReadFlightById(value);
                if (flight == null)
                {
                    throw new InvalidDataException(nameof(flight));
                }
                textBoxArrivalLocation.Text = flight.ArrivalLocation;
                numericUpDownTicketPrice.Value = flight.TicketPrice;
                _flightId = value;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
        }
    }

    public FormFlight(IFlightRepository flightRepository)
    {
        InitializeComponent();
        _flightRepository = flightRepository ?? throw new ArgumentNullException(nameof(flightRepository));
    }

    private void ButtonSave_Click(object sender, EventArgs e)
    {
        try
        {
            if (string.IsNullOrWhiteSpace(textBoxArrivalLocation.Text))
            {
                throw new Exception("Имеются незаполненные поля");
            }

            if (_flightId.HasValue)
            {
                _flightRepository.UpdateFlight(CreateFlight(_flightId.Value));
            }
            else
            {
                _flightRepository.CreateFlight(CreateFlight(0));
            }

            Close();
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
    }

    private void ButtonCancel_Click(object sender, EventArgs e) => Close();

    private Flight CreateFlight(int id) => Flight.CreateFlight(id, DateTime.Now, DateTime.Now.AddHours(2), textBoxArrivalLocation.Text, Convert.ToInt32(numericUpDownTicketPrice.Value));
}