PIbd-21_Markov_D.P._LawFirm/LawFirm/LawFirmView/FormCreateOrder.cs

using LawFirmBusinessLogic.BusinessLogics;
using LawFirmContracts.BindingModels;
using LawFirmContracts.BusinessLogicsContracts;
using LawFirmContracts.SearchModels;
using LawFirmContracts.ViewModels;
using Microsoft.Extensions.Logging;

namespace LawFirmView
{
    public partial class FormCreateOrder : Form
    {
        private readonly ILogger _logger;
        private readonly IDocumentLogic _logicD;
        private readonly IOrderLogic _logicO;
        private readonly IClientLogic _clientLogic;
        private readonly List<DocumentViewModel>? _list;
        public FormCreateOrder(ILogger<FormCreateOrder> logger, 
            IDocumentLogic logicD, 
            IOrderLogic logicO,
            IClientLogic clientLogic)
        {
            InitializeComponent();
            _logger = logger;
            _logicD = logicD;
            _logicO = logicO;
            _clientLogic = clientLogic;
            _list = logicD.ReadList(null);
			if (_list != null)
			{
				comboBoxDocument.DisplayMember = "PastryName";
				comboBoxDocument.ValueMember = "Id";
				comboBoxDocument.DataSource = _list;
				comboBoxDocument.SelectedItem = null;
			}
			var clients = _clientLogic.ReadList(null);
			if (clients != null)
			{
				comboBoxClient.DisplayMember = "clientFIO";
				comboBoxClient.ValueMember = "Id";
				comboBoxClient.DataSource = clients;
				comboBoxClient.SelectedItem = null;
			}
		}
        private void FormCreateOrder_Load(object sender, EventArgs e)
        {
            _logger.LogInformation("Загрузка документов для заказа");
            try
            {
                var list = _logicD.ReadList(null);
                if (list != null)
                {
                    comboBoxDocument.DisplayMember = "DocumentName";
                    comboBoxDocument.ValueMember = "Id";
                    comboBoxDocument.DataSource = list;
                    comboBoxDocument.SelectedItem = null;
                }   
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки документов");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void CalcSum()
        {
            if (comboBoxDocument.SelectedValue != null &&
           !string.IsNullOrEmpty(textBoxCount.Text))
            {
                try
                {
                    int id = Convert.ToInt32(comboBoxDocument.SelectedValue);
                    var document = _logicD.ReadElement(new DocumentSearchModel
                    {
                        Id = id
                    });
                    int count = Convert.ToInt32(textBoxCount.Text);
                    textBoxSum.Text = Math.Round(count * (document?.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 ComboBoxDocument_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 (comboBoxDocument.SelectedValue == null)
            {
                MessageBox.Show("Выберите документ", "Ошибка",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxClient.SelectedValue == null)
            {
                MessageBox.Show("Выберите клиента", "Ошибка",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _logger.LogInformation("Создание заказа");
            try
            {
                var operationResult = _logicO.CreateOrder(new OrderBindingModel
                {
                    ClientId = Convert.ToInt32(comboBoxClient.SelectedValue),
                    DocumentId = Convert.ToInt32(comboBoxDocument.SelectedValue),
                    Count = Convert.ToInt32(textBoxCount.Text),
                    Sum = Convert.ToDouble(textBoxSum.Text)
                });
                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();
        }
    }
}