287 lines
13 KiB
C#
287 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using MySql.Data.MySqlClient;
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namespace demMalyhin
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{
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public partial class AdmEditProduct : Form
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{
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private string productId;
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private byte[] imageData = null;
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public AdmEditProduct(string productId)
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{
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InitializeComponent();
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LoadSuppliers();
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LoadCategories();
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LoadManufacturers();
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LoadProductData(productId);
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}
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private void LoadProductData(string productId)
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{
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try
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{
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DB db = new DB();
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using (MySqlConnection connection = db.getConnection())
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{
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connection.Open();
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string query = "SELECT product_name, category_id, supplier_id, manufacturer_id, price, quantity_in_stock, description, unit_type, sale_percent, photo FROM products WHERE article_product = @id";
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using (MySqlCommand command = new MySqlCommand(query, connection))
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{
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command.Parameters.AddWithValue("@id", productId);
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using (MySqlDataReader reader = command.ExecuteReader())
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{
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if (reader.Read())
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{
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textBoxArticle.Text = productId;
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textBoxName.Text = reader["product_name"].ToString();
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comboBoxCategory.Text = reader["category_id"].ToString();
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comboBoxSupplier.Text = reader["supplier_id"].ToString();
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comboBoxManufacturer.Text = reader["manufacturer_id"].ToString();
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textBoxPrice.Text = reader["price"].ToString();
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textBoxQuantity.Text = reader["quantity_in_stock"].ToString();
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textBoxDesc.Text = reader["description"].ToString();
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textBoxUnit.Text = reader["unit_type"].ToString();
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textBoxSale.Text = reader["sale_percent"].ToString();
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}
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else
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{
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MessageBox.Show("Продукт с указанным ID не найден.");
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this.DialogResult = DialogResult.Cancel;
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this.Close();
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}
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if (reader["photo"] != DBNull.Value)
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{
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// Загружаем данные изображения из базы данных в класс-уровневую переменную imageData
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this.imageData = (byte[])reader["photo"];
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using (MemoryStream ms = new MemoryStream(this.imageData))
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{
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pictureBoxEditProduct.Image = Image.FromStream(ms);
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pictureBoxEditProduct.SizeMode = PictureBoxSizeMode.Zoom;
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}
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}
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else
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{
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this.imageData = null; // Убеждаемся, что imageData обнуляется, если фото нет
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pictureBoxEditProduct.Image = null; // Или устанавливаем стандартную заглушку
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// pictureBoxEditProduct.Image = Properties.Resources.picture;
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}
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}
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}
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}
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}
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catch (MySqlException ex)
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{
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MessageBox.Show("Ошибка при загрузке данных продукта: " + ex.Message);
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}
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}
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private void btnEditChooseImage_Click(object sender, EventArgs e)
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{
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openFileDialogImage.Filter = "Image Files (*.png;*.jpg;*.jpeg)|*.png;*.jpg;*.jpeg";
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openFileDialogImage.Title = "Выберите новое изображение товара";
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if (openFileDialogImage.ShowDialog() == DialogResult.OK)
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{
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try
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{
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string filePath = openFileDialogImage.FileName;
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pictureBoxEditProduct.Image = Image.FromFile(filePath);
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pictureBoxEditProduct.SizeMode = PictureBoxSizeMode.Zoom;
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using (var ms = new MemoryStream())
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{
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using (Image originalImage = Image.FromFile(filePath))
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{
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originalImage.Save(ms, originalImage.RawFormat);
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imageData = ms.ToArray();
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}
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show("Ошибка при загрузке изображения: " + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
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pictureBoxEditProduct.Image = null;
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imageData = null;
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}
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}
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}
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private void btnEditRemoveImage_Click(object sender, EventArgs e)
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{
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pictureBoxEditProduct.Image = null;
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imageData = null;
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}
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private void btnSave_Click(object sender, EventArgs e)
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{
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try
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{
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object supplierId = comboBoxSupplier.SelectedValue;
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object manufacturerId = comboBoxManufacturer.SelectedValue;
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object categoryId = comboBoxCategory.SelectedValue;
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DB db = new DB();
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using (MySqlConnection connection = db.getConnection())
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{
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connection.Open();
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string query = "UPDATE products SET product_name = @pr_name, category_id = @category_id, manufacturer_id = @manufacturer_id, unit_type = @unit, quantity_in_stock = @quantity, price = @price, supplier_id = @supplier_id, description = @desc, photo = @product_photo, sale_percent = @sale WHERE article_product = @id";
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using (MySqlCommand command = new MySqlCommand(query, connection))
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{
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command.Parameters.AddWithValue("@id", textBoxArticle.Text);
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command.Parameters.AddWithValue("@pr_name", textBoxName.Text);
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command.Parameters.AddWithValue("@desc", textBoxDesc.Text);
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command.Parameters.AddWithValue("@sale", textBoxSale.Text);
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command.Parameters.AddWithValue("@unit", textBoxUnit.Text);
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command.Parameters.AddWithValue("@quantity", textBoxQuantity.Text);
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command.Parameters.AddWithValue("@price", Convert.ToDecimal(textBoxPrice.Text));
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command.Parameters.AddWithValue("@supplier_id", supplierId);
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command.Parameters.AddWithValue("@manufacturer_id", manufacturerId);
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command.Parameters.AddWithValue("@category_id", categoryId);
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if (imageData != null)
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{
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// Если изображение было выбрано или изменено
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command.Parameters.Add(new MySqlParameter("@product_photo", MySqlDbType.MediumBlob) { Value = imageData });
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}
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else
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{
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// Если изображение удалено или не было выбрано
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command.Parameters.Add(new MySqlParameter("@product_photo", MySqlDbType.MediumBlob) { Value = imageData });
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}
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int rowsAffected = command.ExecuteNonQuery();
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if (rowsAffected > 0)
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{
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MessageBox.Show("Данные продукта успешно обновлены.");
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this.DialogResult = DialogResult.OK;
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this.Close();
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}
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else
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{
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MessageBox.Show("Не удалось обновить данные продукта.");
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}
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}
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}
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}
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catch (MySqlException ex)
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{
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MessageBox.Show("Ошибка при сохранении данных продукта: " + ex.Message);
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}
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}
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private void LoadCategories()
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{
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try
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{
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DB db = new DB();
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using (MySqlConnection connection = db.getConnection())
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{
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connection.Open();
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string query = "SELECT id_Category, Category_name FROM Category";
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using (MySqlCommand command = new MySqlCommand(query, connection))
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{
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using (MySqlDataReader reader = command.ExecuteReader())
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{
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DataTable categoryTable = new DataTable();
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categoryTable.Load(reader);
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comboBoxCategory.DataSource = categoryTable;
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comboBoxCategory.DisplayMember = "Category_name";
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comboBoxCategory.ValueMember = "id_Category";
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}
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}
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}
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}
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catch (MySqlException ex)
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{
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MessageBox.Show("Ошибка при загрузке категорий: " + ex.Message);
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}
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}
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private void LoadSuppliers()
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{
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try
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{
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DB db = new DB();
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using (MySqlConnection connection = db.getConnection())
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{
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connection.Open();
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string query = "SELECT id_Supplier, supplier_name FROM Supplier";
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using (MySqlCommand command = new MySqlCommand(query, connection))
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{
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using (MySqlDataReader reader = command.ExecuteReader())
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{
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DataTable suppTable = new DataTable();
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suppTable.Load(reader);
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comboBoxSupplier.DataSource = suppTable;
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comboBoxSupplier.DisplayMember = "supplier_name";
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comboBoxSupplier.ValueMember = "id_Supplier";
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}
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}
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}
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}
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catch (MySqlException ex)
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{
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MessageBox.Show("Ошибка при загрузке категорий: " + ex.Message);
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}
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}
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private void LoadManufacturers()
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{
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try
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{
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DB db = new DB();
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using (MySqlConnection connection = db.getConnection())
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{
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connection.Open();
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string query = "SELECT id_Manufacturer, Manufacturer_name FROM Manufacturer";
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using (MySqlCommand command = new MySqlCommand(query, connection))
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{
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using (MySqlDataReader reader = command.ExecuteReader())
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{
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DataTable manuTable = new DataTable();
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manuTable.Load(reader);
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comboBoxManufacturer.DataSource = manuTable;
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comboBoxManufacturer.DisplayMember = "Manufacturer_name";
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comboBoxManufacturer.ValueMember = "id_Manufacturer";
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}
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}
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}
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}
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catch (MySqlException ex)
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{
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MessageBox.Show("Ошибка при загрузке категорий: " + ex.Message);
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}
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}
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private void AdmEditProduct_Load(object sender, EventArgs e)
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{
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}
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private void btnBack_Click(object sender, EventArgs e)
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{
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this.Close();
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AdmMainForm amf = new AdmMainForm();
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amf.Show();
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}
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}
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}
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