PIbd-23_Firsov_KA_SUBD/Hotel/HotelView/FormRoom.cs

using HotelAbstractions.Logic;
using HotelAbstractions.Models;
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 HotelView
{
    public partial class FormRoom : Form
    {
        private readonly IRoomLogic _roomLogic;
        private readonly IHotelLogic _hotelLogic;
        public FormRoom(IRoomLogic roomLogic, IHotelLogic hotelLogic)
        {
            InitializeComponent();
            _roomLogic = roomLogic;
            _hotelLogic = hotelLogic;
        }

        private void FormRoom_Load(object sender, EventArgs e)
        {
            LoadData();
        }

        private void ButtonCreate_Click(object sender, EventArgs e)
        {
            Room newRoom = new()
            {
                HotelId = ((Hotel?)comboBoxHotel.SelectedItem)?.Id ?? 0,
                Category = textBoxCategory.Text,
                CountPlace = (int)numericUpDownCountPlace.Value,
                Flor = (int)numericUpFlor.Value,
                Number = textBoxNumber.Text,
                Price = (int)numericUpDownPrice.Value,
            };

            _roomLogic.Create(newRoom);

            LoadData();
        }

        private void LoadData()
        {
            var rooms = _roomLogic.GetAll();

            dataGridView.Rows.Clear();

            if (dataGridView.ColumnCount == 0)
            {
                dataGridView.Columns.Add("Id", "ID");
                dataGridView.Columns.Add("HotelId", "HotelId");
                dataGridView.Columns["HotelId"].Visible = false;
                dataGridView.Columns.Add("Hotel", "Гостиница");
                dataGridView.Columns.Add("Category", "Категория");
                dataGridView.Columns.Add("CountPlace", "Количество мест");
                dataGridView.Columns.Add("Flor", "Этаж");
                dataGridView.Columns.Add("Number", "Номер");
                dataGridView.Columns.Add("Price", "Цена");

            }

            dataGridView.Columns["Id"].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView.Columns["Hotel"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Category"].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView.Columns["CountPlace"].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView.Columns["Flor"].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView.Columns["Number"].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView.Columns["Price"].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;

            comboBoxHotel.DataSource = _hotelLogic.GetAll();
            comboBoxHotel.DisplayMember = "Hotel";
            comboBoxHotel.ValueMember = "HotelName";

            foreach (var room in rooms)
            {
                dataGridView.Rows.Add(room.Id, room.HotelId, _hotelLogic.Get(room.HotelId)?.HotelName, room.Category, room.CountPlace,
                    room.Flor, room.Number, room.Price);
            }
        }

        private void ButtonUpdate_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count > 0)
            {
                DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
                int roomId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

                Room updatedRoom = new()
                {
                    Id = roomId,
                    HotelId = ((Hotel?)comboBoxHotel.SelectedItem)?.Id ?? 0,
                    Category = textBoxCategory.Text,
                    CountPlace = (int)numericUpDownCountPlace.Value,
                    Flor = (int)numericUpFlor.Value,
                    Number = textBoxNumber.Text,
                    Price = (int)numericUpDownPrice.Value,
                };

                _roomLogic.Update(updatedRoom);

                LoadData();
            }
            else
            {
                MessageBox.Show("Пожалуйста, выберите статью, информацию о которой необходимо обновить");
            }
        }

        private void ButtonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count > 0)
            {
                DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
                int roomId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

                _roomLogic.Delete(roomId);

                LoadData();
            }
            else
            {
                MessageBox.Show("Пожалуйста, выберите статью, информацию о которой необходимо удалить");
            }
        }

        private void DataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex >= 0)
            {
                DataGridViewRow row = dataGridView.Rows[e.RowIndex];
                comboBoxHotel.SelectedValue = row.Cells["Hotel"].Value ?? new Hotel { HotelName = "Неизвестнo" };
                textBoxCategory.Text = row.Cells["Category"].Value.ToString();
                numericUpDownCountPlace.Text = row.Cells["CountPlace"].Value.ToString();
                numericUpFlor.Text = row.Cells["Flor"].Value.ToString();
                textBoxNumber.Text = row.Cells["Number"].Value.ToString();
                numericUpDownPrice.Text = row.Cells["Price"].Value.ToString();
            }
        }
    }
}