80 lines
2.7 KiB
Java
80 lines
2.7 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.model.MenuItem;
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import dev.model.Order;
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import dev.model.OrderDetail;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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public class OrderService {
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private final OrderDao orderDao = new OrderDao();
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private final MenuItemDao menuItemDao = new MenuItemDao();
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public void placeOrder(int userId, Map<Integer, Integer> cart) {
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Order order = new Order();
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order.setUserId(userId);
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order.setCreatedAt(LocalDateTime.now());
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double total = 0;
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List<OrderDetail> details = new ArrayList<>();
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for (Map.Entry<Integer, Integer> entry : cart.entrySet()) {
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MenuItem item = menuItemDao.getById(entry.getKey());
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if (item != null) {
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OrderDetail detail = new OrderDetail();
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detail.setMenuItemId(item.getId());
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detail.setQuantity(entry.getValue());
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detail.setPrice(item.getPrice());
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details.add(detail);
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total += item.getPrice() * entry.getValue();
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}
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}
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order.setTotalPrice(total);
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int orderId = orderDao.saveOrder(order, details);
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System.out.println("\nOrder saved successfully!");
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printReceipt(orderId);
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}
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public void printReceipt(int orderId) {
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Order order = orderDao.getOrderById(orderId);
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List<OrderDetail> details = orderDao.getOrderDetails(orderId);
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System.out.println("\n[Order Summary / Receipt]");
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System.out.println("---------------------------------------");
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System.out.printf("%-15s %-5s %-10s %-10s%n", "Item", "Qty", "Unit", "Total");
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System.out.println("---------------------------------------");
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for (OrderDetail detail : details) {
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MenuItem item = menuItemDao.getById(detail.getMenuItemId());
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double subtotal = detail.getQuantity() * detail.getPrice();
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System.out.printf("%-15s %-5d $%-9.2f $%.2f%n", item.getName(), detail.getQuantity(), detail.getPrice(), subtotal);
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}
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System.out.println("---------------------------------------");
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System.out.printf("Final Total: $%.2f%n", order.getTotalPrice());
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}
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public void showOrderHistory(int userId) {
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List<Order> orders = orderDao.getOrdersByUserId(userId);
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System.out.println("\n[Order History]");
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if (orders.isEmpty()) {
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System.out.println("You have no past orders.");
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return;
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}
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for (Order order : orders) {
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System.out.printf("Order ID: %d | Date: %s | Total Spent: $%.2f%n",
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order.getId(), order.getCreatedAt(), order.getTotalPrice());
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}
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}
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} |