diff --git a/src/main/java/dev/dao/OrderDao.java b/src/main/java/dev/dao/OrderDao.java index 9e7f36d..55c91d4 100644 --- a/src/main/java/dev/dao/OrderDao.java +++ b/src/main/java/dev/dao/OrderDao.java @@ -59,7 +59,7 @@ public class OrderDao { Order order = new Order(); order.setId(rs.getInt("id")); order.setUserId(rs.getInt("user_id")); - order.setCreatedAt(rs.getTimestamp("order_date").toLocalDateTime()); + order.setCreatedAt(rs.getTimestamp("orderDate").toLocalDateTime()); order.setTotalPrice(rs.getDouble("total_price")); orders.add(order); } diff --git a/src/main/java/dev/dao/OrderDetailDao.java b/src/main/java/dev/dao/OrderDetailDao.java index 8d87e41..501803f 100644 --- a/src/main/java/dev/dao/OrderDetailDao.java +++ b/src/main/java/dev/dao/OrderDetailDao.java @@ -14,20 +14,16 @@ public class OrderDetailDao { public void save(OrderDetail detail) { - String sql = "INSERT INTO order_details (order_id, menu_items_id, quantity, price_at_purchase) VALUES (?,?,?,?)"; + String sql = "INSERT INTO order_details (order_id, menu_items_id, quantity, price_at_purchase) VALUES (? ,? ,? ,?)"; try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql)) { - stmt.setInt(2, detail.getOrderId()); - stmt.setInt(3, detail.getMenuItemId()); - stmt.setInt(4, detail.getQuantity()); - stmt.setDouble(5, detail.getPrice()); + stmt.setInt(1, detail.getOrderId()); + stmt.setInt(2, detail.getMenuItemId()); + stmt.setInt(3, detail.getQuantity()); + stmt.setDouble(4, detail.getPrice()); - int affectedRows = stmt.executeUpdate(); - if (affectedRows == 0) - { - throw new SQLException("unsuccessful"); - } + stmt.executeUpdate(); } catch (SQLException e) @@ -54,7 +50,7 @@ public class OrderDetailDao { OrderDetail orderDetail = new OrderDetail(); orderDetail.setId(rs.getInt("id")); orderDetail.setOrderId(rs.getInt("order_id")); - orderDetail.setMenuItemId(rs.getInt("menu_item_id")); + orderDetail.setMenuItemId(rs.getInt("menu_items_id")); orderDetail.setQuantity(rs.getInt("quantity")); orderDetail.setPrice(rs.getDouble("price_at_purchase")); diff --git a/src/main/java/dev/service/AuthService.java b/src/main/java/dev/service/AuthService.java index bee866a..9aea509 100644 --- a/src/main/java/dev/service/AuthService.java +++ b/src/main/java/dev/service/AuthService.java @@ -1,23 +1,106 @@ package dev.service; +import dev.dao.UserDao; import dev.model.User; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; + public class AuthService { + private final UserDao userDao; + + public AuthService() { + this.userDao = new UserDao(); + } + public boolean register(String username, String password, String email) { - // TODO: - // Validate and register user + if (username == null || username.trim().isEmpty()) + { + System.err.println("username cannot be empty."); + return false; + } + if (password == null || password.trim().isEmpty()) + { + System.err.println("password cannot be empty."); + return false; + } + User existingUser = userDao.findByUsername(username); + if (existingUser != null) + { + System.err.println("a user with this username is already registered"); + return false; + } - return false; + String hashedPassword = hashPassword(password); + if (hashedPassword == null) + { + System.err.println("error"); + return false; + } + + User newUser = new User(); + newUser.setUsername(username.trim()); + newUser.setPassword(hashedPassword); + newUser.setEmail(email != null ? email.trim() : null); + + return userDao.save(newUser); } public User login(String username, String password) { - // TODO: - // Authenticate user + if (username == null || username.trim().isEmpty()) + { + System.err.println("username cannot be empty."); + return null; + } + if (password == null || password.trim().isEmpty()) + { + System.err.println("password cannot be empty."); + return null; + } - return null; + User user = userDao.findByUsername(username.trim()); + if (user == null) + { + System.err.println("not found"); + return null; + } + String hashedPassword = hashPassword(password); + if (hashedPassword == null) + { + System.err.println("error"); + return null; + } + + if (hashedPassword.equals(user.getPassword())) + { + System.out.println("welcome " + user.getUsername()); + return user; + } else + { + System.err.println("incorrect password"); + return null; + } + + } + + private String hashPassword(String password) + { + try { + MessageDigest md = MessageDigest.getInstance("MD5"); + byte[] hashBytes = md.digest(password.getBytes()); + + StringBuilder sb = new StringBuilder(); + for (byte b : hashBytes) { + sb.append(String.format("%02x", b)); + } + return sb.toString(); + } catch (NoSuchAlgorithmException e) { + e.printStackTrace(); + return null; + } } } \ No newline at end of file diff --git a/src/main/java/dev/service/MenuService.java b/src/main/java/dev/service/MenuService.java index 6dbf4da..ff0be3a 100644 --- a/src/main/java/dev/service/MenuService.java +++ b/src/main/java/dev/service/MenuService.java @@ -1,11 +1,35 @@ package dev.service; +import dev.dao.MenuItemDao; +import dev.model.MenuItem; + +import java.util.List; + public class MenuService { + private final MenuItemDao menuItemDao; + + public MenuService() { + this.menuItemDao = new MenuItemDao(); + } + public void showMenu() { - // TODO: - // Display menu items + List items = menuItemDao.findAll(); + if (items.isEmpty()) + { + System.out.println("menu is empty"); + return; + } + + System.out.println("\nAvailable Items:"); + for (MenuItem item : items) + { + System.out.printf("%d. %s - $%.2f%n", + item.getId(), + item.getName(), + item.getPrice()); + } } diff --git a/src/main/java/dev/service/OrderService.java b/src/main/java/dev/service/OrderService.java index 14708f8..c763c50 100644 --- a/src/main/java/dev/service/OrderService.java +++ b/src/main/java/dev/service/OrderService.java @@ -1,26 +1,119 @@ package dev.service; +import dev.dao.MenuItemDao; +import dev.dao.OrderDao; +import dev.dao.OrderDetailDao; +import dev.model.MenuItem; +import dev.model.Order; +import dev.model.OrderDetail; + +import java.time.format.DateTimeFormatter; +import java.util.List; + public class OrderService { - public void placeOrder(int userId) { + private final OrderDao orderDao; + private final OrderDetailDao orderDetailDao; + private final MenuItemDao menuItemDao; - // TODO: - // Create order + public OrderService() { + this.orderDao = new OrderDao(); + this.orderDetailDao = new OrderDetailDao(); + this.menuItemDao = new MenuItemDao(); + } + + public int placeOrder(int userId, List cart) { + + if (cart == null || cart.isEmpty()) { + System.out.println("cart is empty"); + return -1; + } + + double totalPrice = 0; + for (OrderDetail o : cart) { + MenuItem item = menuItemDao.findById((o.getMenuItemId())); + if (item == null) { + System.out.println("menu item with id " + o.getMenuItemId() + "not found"); + return -1; + } + o.setPrice(item.getPrice()); + totalPrice += item.getPrice() * o.getQuantity(); + } + + Order order = new Order(); + order.setUserId(userId); + order.setTotalPrice(totalPrice); + + int orderId = orderDao.save(order); + if (orderId == -1) { + System.out.println("failed to save order."); + return -1; + } + + for (OrderDetail detail : cart) { + detail.setOrderId(orderId); + orderDetailDao.save(detail); + } + + System.out.println("Order saved successfully!"); + return orderId; } public void printReceipt(int orderId) { - // TODO: - // Print order receipt + List details = orderDetailDao.findByOrderId(orderId); + if (details.isEmpty()) { + System.out.println("order not found."); + return; + } + double total = 0; + + System.out.println("\n[Order Summary / Receipt]"); + System.out.println("---------------------------------------"); + System.out.printf("%-12s %-6s %-8s %-10s%n", "Item", "Qty", "Unit", "Total"); + System.out.println("---------------------------------------"); + + for (OrderDetail detail : details) { + MenuItem item = menuItemDao.findById(detail.getMenuItemId()); + String itemName = (item != null) ? item.getName() : "Unknown"; + double subtotal = detail.getPrice() * detail.getQuantity(); + total += subtotal; + + System.out.printf("%-12s %-6d $%-7.2f $%-9.2f%n", + itemName, + detail.getQuantity(), + detail.getPrice(), + subtotal); + } + + System.out.println("---------------------------------------"); + System.out.printf("%-12s %-6s %-8s $%-9.2f%n", "", "", "Final Total:", total); + System.out.println("---------------------------------------"); } public void showOrderHistory(int userId) { - // TODO: - // Display user's order history + List orders = orderDao.findByUserId(userId); + if (orders.isEmpty()) + { + System.out.println("you have no orders."); + return; + } + System.out.println("\nYour Order History:"); + System.out.println("--------------------------------------------------"); + System.out.printf("%-10s %-25s %-15s%n", "Order ID", "Date", "Total"); + System.out.println("--------------------------------------------------"); + DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"); + for (Order order : orders) { + System.out.printf("%-10d %-25s $%-14.2f%n", + order.getId(), + order.getCreatedAt().format(formatter), + order.getTotalPrice()); + } + System.out.println("--------------------------------------------------"); } +} -} \ No newline at end of file diff --git a/src/main/java/dev/ui/ConsoleMenu.java b/src/main/java/dev/ui/ConsoleMenu.java index 663dc0c..0b1ba00 100644 --- a/src/main/java/dev/ui/ConsoleMenu.java +++ b/src/main/java/dev/ui/ConsoleMenu.java @@ -1,5 +1,15 @@ package dev.ui; +import dev.dao.MenuItemDao; +import dev.model.MenuItem; +import dev.model.OrderDetail; +import dev.model.User; +import dev.service.AuthService; +import dev.service.MenuService; +import dev.service.OrderService; + +import java.util.ArrayList; +import java.util.List; import java.util.Scanner; public class ConsoleMenu { @@ -7,38 +17,164 @@ public class ConsoleMenu { private final Scanner scanner = new Scanner(System.in); + private final AuthService authService = new AuthService(); + private final MenuService menuService = new MenuService(); + private final OrderService orderService = new OrderService(); + + private User loggedInUser = null; + public void start() { while (true) { - - System.out.println(); - System.out.println("===== JAVA PIZZERIA ====="); - System.out.println("1. Login"); - System.out.println("2. Register"); - System.out.println("3. Exit"); - - int choice = scanner.nextInt(); - - switch (choice) { - - case 1: - // TODO - break; - - case 2: - // TODO - break; - - case 3: - return; - - default: - System.out.println("Invalid choice"); - + if (loggedInUser == null) { + showMainMenu(); + } else { + showUserMenu(); } - } } + private void showMainMenu() + { + System.out.println(); + System.out.println("======================================="); + System.out.println(" 🍕 WELCOME TO JAVA PIZZERIA 🍕"); + System.out.println("======================================="); + System.out.println("1. Login"); + System.out.println("2. Register New Account"); + System.out.println("3. Exit"); + System.out.println("======================================="); + System.out.print("Choose an option: "); + + int choice = getIntInput(); + switch (choice) + { + case 1 -> login(); + case 2 -> register(); + case 3 -> { + System.out.println("goodbye"); + System.exit(0); + } + default -> System.out.println("invalid choice."); + } + } + + private void showUserMenu() + { + System.out.println(); + System.out.println("======================================="); + System.out.println(" 🍽️ MAIN MENU 🍽️"); + System.out.println("======================================="); + System.out.println("1. View Menu"); + System.out.println("2. Place a New Order"); + System.out.println("3. View Order History"); + System.out.println("4. Logout"); + System.out.println("======================================="); + System.out.print("Choose an option: "); + + int choice = getIntInput(); + switch (choice) + { + case 1 -> menuService.showMenu(); + case 2 -> placeOrder(); + case 3 -> orderService.showOrderHistory(loggedInUser.getId()); + case 4 -> { + loggedInUser = null; + System.out.println("logged out."); + } + default -> System.out.println("invalid choice."); + } + } + + private void login() + { + System.out.println("\n[Login]"); + System.out.print("Enter username: "); + String username = scanner.nextLine().trim(); + System.out.print("Enter password: "); + String password = scanner.nextLine().trim(); + + User user = authService.login(username, password); + if (user != null) + { + loggedInUser = user; + } + } + + private void register() + { + System.out.println("\n[Register]"); + System.out.print("Enter username: "); + String username = scanner.nextLine().trim(); + System.out.print("Enter password: "); + String password = scanner.nextLine().trim(); + System.out.print("Enter email (optional, press Enter to skip): "); + String email = scanner.nextLine().trim(); + if (email.isEmpty()) email = null; + + boolean success = authService.register(username, password, email); + if (success) + { + System.out.println("registration successful. Please login."); + } + } + + private void placeOrder() + { + System.out.println("\n[Placing Order]"); + menuService.showMenu(); + + List cart = new ArrayList<>(); + while (true) + { + System.out.print("\nEnter the ID of the item to add (or 0 to finish): "); + int itemId = getIntInput(); + if (itemId == 0) break; + + MenuItem item = new MenuItemDao().findById(itemId); + if (item == null) + { + System.out.println("item not found."); + continue; + } + + System.out.print("Enter quantity: "); + int quantity = getIntInput(); + if (quantity <= 0) + { + System.out.println("quantity must be greater than 0."); + continue; + } + + OrderDetail detail = new OrderDetail(); + detail.setMenuItemId(itemId); + detail.setQuantity(quantity); + cart.add(detail); + + System.out.printf("Added %dx %s to your cart.%n", quantity, item.getName()); + } + + if (cart.isEmpty()) + { + System.out.println("cart is empty. Order cancelled."); + return; + } + + int orderId = orderService.placeOrder(loggedInUser.getId(), cart); + if (orderId != -1) + { + orderService.printReceipt(orderId); + } + } + + private int getIntInput() { + while (true) { + try { + return Integer.parseInt(scanner.nextLine().trim()); + } catch (NumberFormatException e) { + System.out.print("please enter a number: "); + } + } + } } \ No newline at end of file