PIAPS_CW/WinFormsApp/FormProducts.cs

using BusinessLogic.BusinessLogic;
using Contracts.BindingModels;
using Contracts.BusinessLogicContracts;
using Contracts.SearchModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinFormsApp
{
    public partial class FormProducts : Form
    {
        private Guid? _id;
        private readonly ILogger _logger;
        private readonly IProductLogic _productLogic;
        public FormProducts(ILogger<FormMain> logger, IProductLogic productLogic)
        {
            InitializeComponent();
            _productLogic = productLogic;
            _logger = logger;
        }

        private void FormProducts_Load(object sender, EventArgs e)
        {
            LoadData();
            groupBoxCreateProduct.Hide();
            //groupBoxCreateProduct.Enabled = false;
        }

        private void LoadData()
        {
            _logger.LogInformation("Загрузка товаров");
            try
            {
                var list = _productLogic.ReadList(null);
                if (list != null)
                {
                    dataGridView.DataSource = list;
                }
                _logger.LogInformation("Загрузка товаров");
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки товаров");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void buttonCreateProduct_Click(object sender, EventArgs e)
        {
            //надо сделать че нибудь с фронтом а то всё грустно
            groupBoxControls.Hide();
            //groupBoxControls.Enabled = false;
            groupBoxCreateProduct.Show();
            //groupBoxCreateProduct.Enabled = true;
        }

        private void buttonSaveProduct_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxName.Text))
            {
                MessageBox.Show("Заполните название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(numericUpDownPrice.Value.ToString()))
            {
                MessageBox.Show("Укажите цену", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(numericUpDownAmount.Value.ToString()))
            {
                MessageBox.Show("Укажите кол-во", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _logger.LogInformation("Сохранение товара");
            try
            {
                var model = new ProductBindingModel
                {
                    Name = textBoxName.Text,
                    Price = Convert.ToDouble(numericUpDownPrice.Value),
                    Amount = Convert.ToInt16(numericUpDownAmount.Value),
                    Rate = 0.0,
                    IsBeingSold = checkBoxIsSold.Checked,
                };
                var operationResult = _productLogic.Create(model);
                if (!operationResult)
                {
                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
                }
                MessageBox.Show("Сохранение прошло успешно", "Сообщение",
                MessageBoxButtons.OK, MessageBoxIcon.Information);
                groupBoxControls.Enabled = true;
                groupBoxControls.Show();
                groupBoxCreateProduct.Enabled = false;
                groupBoxCreateProduct.Hide();
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка сохранения товара");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
               MessageBoxIcon.Error);
            }
            finally
            {
                LoadData();
            }
        }

        private void buttonUpdateProduct_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count <= 0) return;
            _id = (Guid)dataGridView.SelectedRows[0].Cells["Id"].Value;
            groupBoxControls.Hide();
            groupBoxCreateProduct.Show();
            _logger.LogInformation("Получение товара");
            var view = _productLogic.ReadElement(new ProductSearchModel
            {
                Id = _id.Value
            });
            textBoxName.Text = view.Name;
            numericUpDownPrice.Value = Convert.ToDecimal(view.Price);
            numericUpDownAmount.Value = view.Amount;
            checkBoxIsSold.Checked = view.IsBeingSold;
        }
    }
}