test

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package servlets;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.List;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import com.bittercode.constant.BookStoreConstants;
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import com.bittercode.model.Book;
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import com.bittercode.model.Cart;
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import com.bittercode.model.UserRole;
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import com.bittercode.service.BookService;
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import com.bittercode.service.impl.BookServiceImpl;
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import com.bittercode.util.StoreUtil;
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public class ProcessPaymentServlet extends HttpServlet {
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    BookService bookService = new BookServiceImpl();
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    @SuppressWarnings("unchecked")
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    public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
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        PrintWriter pw = res.getWriter();
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        res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
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        if (!StoreUtil.isLoggedIn(UserRole.CUSTOMER, req.getSession())) {
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            RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
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            rd.include(req, res);
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            pw.println("<table class=\"tab\"><tr><td>Please Login First to Continue!!</td></tr></table>");
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            return;
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        }
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        try {
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            RequestDispatcher rd = req.getRequestDispatcher("CustomerHome.html");
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            rd.include(req, res);
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            StoreUtil.setActiveTab(pw, "cart");
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            pw.println("<div id='topmid' style='background-color:grey'>Your Orders</div>");
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            pw.println("<div class=\"container\">\r\n"
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                    + "        <div class=\"card-columns\">");
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            HttpSession session = req.getSession();
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            List<Cart> cartItems = null;
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            if (session.getAttribute("cartItems") != null)
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                cartItems = (List<Cart>) session.getAttribute("cartItems");
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            for (Cart cart : cartItems) {
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                Book book = cart.getBook();
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                double bPrice = book.getPrice();
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                String bCode = book.getBarcode();
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                String bName = book.getName();
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                String bAuthor = book.getAuthor();
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                int availableQty = book.getQuantity();
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                int qtToBuy = cart.getQuantity();
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                availableQty = availableQty - qtToBuy;
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                bookService.updateBookQtyById(bCode, availableQty);
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                pw.println(this.addBookToCard(bCode, bName, bAuthor, bPrice, availableQty));
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                session.removeAttribute("qty_" + bCode);
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            }
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            session.removeAttribute("amountToPay");
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            session.removeAttribute("cartItems");
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            session.removeAttribute("items");
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            session.removeAttribute("selectedBookId");
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            pw.println("</div>\r\n"
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                    + "    </div>");
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        } catch (Exception e) {
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            e.printStackTrace();
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        }
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    }
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    public String addBookToCard(String bCode, String bName, String bAuthor, double bPrice, int bQty) {
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        String button = "<a href=\"#\" class=\"btn btn-info\">Order Placed</a>\r\n";
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        return "<div class=\"card\">\r\n"
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                + "                <div class=\"row card-body\">\r\n"
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                + "                    <img class=\"col-sm-6\" src=\"logo.png\" alt=\"Card image cap\">\r\n"
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                + "                    <div class=\"col-sm-6\">\r\n"
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                + "                        <h5 class=\"card-title text-success\">" + bName + "</h5>\r\n"
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                + "                        <p class=\"card-text\">\r\n"
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                + "                        Author: <span class=\"text-primary\" style=\"font-weight:bold;\"> " + bAuthor
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                + "</span><br>\r\n"
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                + "                        </p>\r\n"
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                + "                        \r\n"
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                + "                    </div>\r\n"
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                + "                </div>\r\n"
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                + "                <div class=\"row card-body\">\r\n"
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                + "                    <div class=\"col-sm-6\">\r\n"
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                + "                        <p class=\"card-text\">\r\n"
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                + "                        <span style='color:blue;'>Order Id: ORD" + bCode + "TM </span>\r\n"
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                + "                        <br><span class=\"text-danger\">Item Yet to be Delivered</span>\r\n"
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                + "                        </p>\r\n"
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                + "                    </div>\r\n"
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                + "                    <div class=\"col-sm-6\">\r\n"
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                + "                        <p class=\"card-text\">\r\n"
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                + "                        Amout Paid: <span style=\"font-weight:bold; color:green\"> &#8377; " + bPrice
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                + " </span>\r\n"
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                + "                        </p>\r\n"
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                + button
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                + "                    </div>\r\n"
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                + "                </div>\r\n"
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                + "            </div>";
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    }
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}
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