ISEbd-21.Fedotov.I.A.Diner/Diner/DinerView/FormCreateOrder.cs

using DinerContracts.BindingModels;
using DinerContracts.BusinessLogicsContacts;
using DinerContracts.BusinessLogicsContracts;
using DinerContracts.SearchModels;
using DinerDataModels.Enums;
using Microsoft.Extensions.Logging;
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 DinerView
{
    public partial class FormCreateOrder : Form
    {
        private readonly ILogger _logger;
        private readonly ISnackLogic _logicSnack;
        private readonly IOrderLogic _logicOrder;
        private readonly IClientLogic _clientLogic;

        public FormCreateOrder(ILogger<FormCreateOrder> logger, ISnackLogic logicSnack, IOrderLogic logicOrder, IClientLogic clientLogic)
        {
            InitializeComponent();
            _logger = logger;
            _logicSnack = logicSnack;
            _logicOrder = logicOrder;
            _clientLogic = clientLogic;
        }

        private void CalcSum()
        {
            if (comboBoxProduct.SelectedValue != null && !string.IsNullOrEmpty(textBoxCount.Text))
            {
                try
                {
                    int id = Convert.ToInt32(comboBoxProduct.SelectedValue);
                    var product = _logicSnack.ReadElement(new SnackSearchModel { ID = id });
                    int count = Convert.ToInt32(textBoxCount.Text);
                    textBoxSum.Text = Math.Round(count * (product?.Price ?? 0), 2).ToString();
                    _logger.LogInformation("Расчет суммы заказа");
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Ошибка расчета суммы заказа");
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }

        }

        private void textBoxCount_TextChanged(object sender, EventArgs e)
        {
            CalcSum();
        }

        private void comboBoxProduct_SelectedIndexChanged(object sender, EventArgs e)
        {
            CalcSum();
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxCount.Text))
            {
                MessageBox.Show("Заполните поле количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxProduct.SelectedValue == null)
            {
                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
			if (comboBoxClient.SelectedValue == null) {
				MessageBox.Show("Выбирите клиента", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}
			_logger.LogInformation("Создание заказа");
            try
            {
                var operationResult = _logicOrder.CreateOrder(new OrderBindingModel
                {
                    SnackID = Convert.ToInt32(comboBoxProduct.SelectedValue),
                    Count = Convert.ToInt32(textBoxCount.Text),
					ProductName = comboBoxProduct.SelectedValue.ToString(),
					Sum = Convert.ToDouble(textBoxSum.Text),
                    ClientID = Convert.ToInt32(comboBoxClient.SelectedValue)
                    
                });
                if (!operationResult) throw new Exception("Ошибка при создании заказа. Дополнительная информация в логах.");
                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка создания заказа");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void buttonCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }

        private void FormCreateOrder_Load(object sender, EventArgs e)
        {
            _logger.LogInformation("Загрузка Снэков");
            try
            {
                var list = _logicSnack.ReadList(null);
                if (list != null)
                {
                    comboBoxProduct.DisplayMember = "ProductName";
                    comboBoxProduct.ValueMember = "ID";
                    comboBoxProduct.DataSource = list;
                    comboBoxProduct.SelectedItem = null;
                }

                var listClient = _clientLogic.ReadList(null);
                if (listClient != null) {
                    comboBoxClient.DisplayMember = "ClientFIO";
                    comboBoxClient.ValueMember = "ID";
                    comboBoxClient.DataSource = listClient;
                    comboBoxClient.SelectedItem = null;
                }
            }
            catch (Exception ex) {
                _logger.LogError(ex, "Ошибка загрузки списка снэков или клиентов");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}