Zapisywanie zmian w produktach.

PC26-SklepWeb/src/main/java/sklep/web/EditProduct.java

 package sklep.web;
 
 import java.io.IOException;
+import java.math.BigDecimal;
 
 import javax.servlet.RequestDispatcher;
 import javax.servlet.ServletException;
@@ -13,6 +14,7 @@ import sklep.db.DBConnection;
 import sklep.db.DBException;
 import sklep.db.ProductDAO;
 import sklep.db.RecordNotFound;
+import sklep.db.SklepException;
 import sklep.model.Product;
 
 @WebServlet("/EditProduct")
@@ -46,7 +48,32 @@ public class EditProduct extends HttpServlet {
 	}
 
 	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-		doGet(request, response);
+        request.setCharacterEncoding("UTF-8");
+
+        String parametrId = request.getParameter("productId");
+        Integer productId = (parametrId == null || parametrId.isEmpty()) ? null : Integer.valueOf(parametrId);
+
+        String parametrPrice = request.getParameter("price");
+        BigDecimal price = new BigDecimal(parametrPrice);
+
+        String parametrVat = request.getParameter("vat");
+        BigDecimal vat = (parametrVat == null || parametrVat.isEmpty()) ? null : new BigDecimal(parametrVat);
+
+        String name = request.getParameter("productName");
+        String description = request.getParameter("description");
+
+        Product product = new Product(productId, name, price, vat, description);
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            productDAO.save(product);
+            db.commit();
+        } catch (SklepException e) {
+            e.printStackTrace();
+        }
+        request.setAttribute("product", product);
+
+        RequestDispatcher dispatcher = request.getRequestDispatcher("product_form.jsp");
+        dispatcher.forward(request, response);
 	}
 
 }