119 lines
3.3 KiB
Java
119 lines
3.3 KiB
Java
package dev.service;
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import dev.dao.MenuItemDao;
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import dev.dao.OrderDao;
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import dev.dao.OrderDetailDao;
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import dev.model.MenuItem;
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import dev.model.Order;
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import dev.model.OrderDetail;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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public class OrderService {
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MenuItemDao menuItemDao = new MenuItemDao();
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OrderDetailDao orderDetailDao = new OrderDetailDao();
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OrderDao orderDao = new OrderDao();
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Scanner in = new Scanner(System.in);
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public void placeOrder(int userId) {
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List<OrderDetail> details = new ArrayList<>();
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int totalPrice = 0;
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// Create order
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while (true) {
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System.out.println("Enter the id of your order (-1 to exit) : ");
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int id = in.nextInt();
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if(id==-1) break;
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MenuItem menuItem = menuItemDao.findById(id);
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if(menuItem != null) {
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System.out.println("Enter quantity: ");
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int quantity = in.nextInt();
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if(quantity<=0) {
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System.out.println("Quantity can't be negative");
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continue;
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}
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OrderDetail orderDetail = new OrderDetail();
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orderDetail.setPrice(menuItem.getPrice());
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orderDetail.setQuantity(quantity);
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orderDetail.setMenuItemId(id);
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details.add(orderDetail);
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totalPrice += menuItem.getPrice()*quantity;
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System.out.println(quantity+ " " + menuItem.getName() + "(s) got added to your order.");
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}
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}
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if (totalPrice<=0) return;
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Order order = new Order();
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order.setTotalPrice(totalPrice);
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order.setUserId(userId);
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int orderId = orderDao.save(order);
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if (orderId == -1) {
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System.out.println("Order could not be saved");
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return;
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}
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for(OrderDetail orderDetail : details) {
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orderDetail.setOrderId(orderId);
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orderDetailDao.save(orderDetail);
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}
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printReceipt(orderId);
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}
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public void printReceipt(int orderId) {
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// Print order receipt
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List<OrderDetail> details = orderDetailDao.findByOrderId(orderId);
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if (details.isEmpty()) return;
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double totalPrice = 0;
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System.out.println("\n===== RECEIPT =====");
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for (OrderDetail detail : details) {
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MenuItem item = menuItemDao.findById(detail.getMenuItemId());
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double subtotal = detail.getPrice() * detail.getQuantity();
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totalPrice += subtotal;
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System.out.println( item.getName() + " | Quantity: " + detail.getQuantity() +
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" | Price: " + detail.getPrice() + "$ | Total: " + subtotal + "$");
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}
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System.out.println("\nFinal Total: $" + totalPrice);
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}
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public void showOrderHistory(int userId) {
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// Display user's order history
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List<Order> orders = orderDao.findByUserId(userId);
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if (orders.isEmpty()) return;
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System.out.println("\n===== ORDER HISTORY =====");
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for (Order order : orders) {
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System.out.println( "Order #" + order.getId() + " | Date: " + order.getCreatedAt() +
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" | Total: " + order.getTotalPrice() + "$");
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}
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}
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} |