From c93d1b89a2ff826838f56358287647d6d7571c2d Mon Sep 17 00:00:00 2001 From: Hesam Ghazi Date: Fri, 17 Jul 2026 10:56:41 +0330 Subject: [PATCH] WS-10 is complete --- .idea/.gitignore | 10 ++ .idea/compiler.xml | 13 ++ .idea/encodings.xml | 7 + .idea/jarRepositories.xml | 20 +++ .idea/misc.xml | 12 ++ .idea/vcs.xml | 6 + database.sql | 157 ++++-------------- src/main/java/dev/dao/MenuItemDao.java | 50 ++++-- src/main/java/dev/dao/OrderDao.java | 45 ++++- src/main/java/dev/dao/OrderDetailDao.java | 45 +++-- src/main/java/dev/dao/UserDao.java | 40 +++-- .../java/dev/database/DatabaseConnection.java | 20 +-- src/main/java/dev/model/MenuItem.java | 25 ++- src/main/java/dev/model/Order.java | 19 ++- src/main/java/dev/model/OrderDetail.java | 25 ++- src/main/java/dev/model/User.java | 21 ++- src/main/java/dev/service/AuthService.java | 44 +++-- src/main/java/dev/service/MenuService.java | 20 ++- src/main/java/dev/service/OrderService.java | 117 ++++++++++++- src/main/java/dev/ui/ConsoleMenu.java | 138 +++++++++++---- 20 files changed, 587 insertions(+), 247 deletions(-) create mode 100644 .idea/.gitignore create mode 100644 .idea/compiler.xml create mode 100644 .idea/encodings.xml create mode 100644 .idea/jarRepositories.xml create mode 100644 .idea/misc.xml create mode 100644 .idea/vcs.xml diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..ab1f416 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,10 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Ignored default folder with query files +/queries/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml +# Editor-based HTTP Client requests +/httpRequests/ diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000..bf2c501 --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 0000000..aa00ffa --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 0000000..712ab9d --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,20 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..eba6e1f --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,12 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/database.sql b/database.sql index 2169346..f52bd71 100644 --- a/database.sql +++ b/database.sql @@ -1,141 +1,54 @@ --- Restaurant Database Management System --- --- Instructions: --- 1. Create all required tables. --- 2. Design appropriate PRIMARY KEY and FOREIGN KEY relationships. --- 3. Add suitable constraints based on the requirements. --- 4. Insert initial mock data. --- 5. Insert at least 3 menu items. --- 6. The script should be executable from start to finish without errors. - - - -- ======================================================= -- USER TABLE -- ======================================================= --- --- Represents customers using the system. --- --- Required information: --- - Unique identifier --- - Username --- - Password --- - Email (optional) --- --- Requirements: --- - Each user must have a unique identifier. --- - Usernames must be unique. --- - Username and password are required. --- - Passwords should not be stored in plain text. --- --- CREATE TABLE ... - - +CREATE TABLE IF NOT EXISTS users ( + id SERIAL PRIMARY KEY, + username VARCHAR(50) NOT NULL UNIQUE, + password VARCHAR(256) NOT NULL, + email VARCHAR(100) +); -- ======================================================= -- MENU ITEM TABLE -- ======================================================= --- --- Represents available food and drink items. --- --- Required information: --- - Unique identifier --- - Name --- - Description (optional) --- - Price --- - Category (optional) --- --- Requirements: --- - Each menu item must have a unique identifier. --- - Name is required. --- - Price must always be positive. --- --- CREATE TABLE ... - - +CREATE TABLE IF NOT EXISTS menu_items ( + id SERIAL PRIMARY KEY, + name VARCHAR(100) NOT NULL, + description TEXT, + price DECIMAL(10, 2) NOT NULL CHECK (price > 0), + category VARCHAR(50) +); -- ======================================================= -- ORDER TABLE -- ======================================================= --- --- Represents orders placed by customers. --- --- Required information: --- - Unique identifier --- - Reference to customer --- - Creation date and time --- - Total price --- --- Requirements: --- - Each order must belong to exactly one user. --- - A user can have multiple orders. --- - The relationship between User and Order must be implemented. --- --- Note: --- Avoid using reserved SQL keywords as table names. --- Consider using a name such as "orders" or "customer_orders". --- --- CREATE TABLE ... - - +CREATE TABLE IF NOT EXISTS orders ( + id SERIAL PRIMARY KEY, + user_id INT NOT NULL, + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, + total_price DECIMAL(10, 2) NOT NULL CHECK (total_price >= 0), + CONSTRAINT fk_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE +); -- ======================================================= -- ORDER DETAIL TABLE -- ======================================================= --- --- Represents items inside an order. --- --- Required information: --- - Unique identifier --- - Reference to an order --- - Reference to a menu item --- - Quantity --- - Item price at purchase time --- --- Requirements: --- - Each detail record must belong to one order. --- - Each detail record must reference one menu item. --- - Quantity must always be greater than zero. --- - Store the item's price at the moment of purchase. --- --- CREATE TABLE ... - - +CREATE TABLE IF NOT EXISTS order_details ( + id SERIAL PRIMARY KEY, + order_id INT NOT NULL, + menu_item_id INT NOT NULL, + quantity INT NOT NULL CHECK (quantity > 0), + price DECIMAL(10, 2) NOT NULL CHECK (price >= 0), + CONSTRAINT fk_order FOREIGN KEY (order_id) REFERENCES orders(id) ON DELETE CASCADE, + CONSTRAINT fk_menu_item FOREIGN KEY (menu_item_id) REFERENCES menu_items(id) ON DELETE RESTRICT +); -- ======================================================= -- INITIAL MENU DATA -- ======================================================= --- --- Insert at least 3 food or drink items. --- --- Example categories: --- - Pizza --- - Burger --- - Pasta --- - Drink --- --- INSERT INTO ... - - - --- ======================================================= --- OPTIONAL TEST DATA --- ======================================================= --- --- You may insert sample users and orders for testing. --- This section is optional. --- --- INSERT INTO ... - - - --- ======================================================= --- VERIFICATION QUERIES --- ======================================================= --- --- Uncomment these queries to verify your database. --- --- SELECT * FROM ...; --- SELECT * FROM ...; --- SELECT * FROM ...; --- SELECT * FROM ...; \ No newline at end of file +INSERT INTO menu_items (name, description, price, category) VALUES +('Margherita Pizza', 'Classic tomato sauce, fresh mozzarella, and basil', 10.00, 'Pizza'), +('Cheeseburger', 'Beef patty, cheddar cheese, lettuce, tomato, and burger sauce', 8.00, 'Burger'), +('Fettuccine Alfredo', 'Rich and creamy parmesan sauce over pasta', 12.00, 'Pasta'), +('Coca Cola', 'Chilled carbonated soft drink', 2.50, 'Drink') +ON CONFLICT DO NOTHING; \ No newline at end of file diff --git a/src/main/java/dev/dao/MenuItemDao.java b/src/main/java/dev/dao/MenuItemDao.java index 3bbebe9..129da0c 100644 --- a/src/main/java/dev/dao/MenuItemDao.java +++ b/src/main/java/dev/dao/MenuItemDao.java @@ -1,25 +1,53 @@ package dev.dao; +import dev.database.DatabaseConnection; import dev.model.MenuItem; - +import java.sql.*; +import java.util.ArrayList; import java.util.List; public class MenuItemDao { public List findAll() { - - // TODO: - // Retrieve all menu items - - return null; + List items = new ArrayList<>(); + String sql = "SELECT * FROM menu_items ORDER BY id"; + try (Connection conn = DatabaseConnection.getConnection(); + Statement stmt = conn.createStatement(); + ResultSet rs = stmt.executeQuery(sql)) { + while (rs.next()) { + items.add(new MenuItem( + rs.getInt("id"), + rs.getString("name"), + rs.getString("description"), + rs.getDouble("price"), + rs.getString("category") + )); + } + } catch (SQLException e) { + System.err.println("Database error while fetching menu items: " + e.getMessage()); + } + return items; } public MenuItem findById(int id) { - - // TODO: - // Find menu item by id - + String sql = "SELECT * FROM menu_items WHERE id = ?"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setInt(1, id); + try (ResultSet rs = stmt.executeQuery()) { + if (rs.next()) { + return new MenuItem( + rs.getInt("id"), + rs.getString("name"), + rs.getString("description"), + rs.getDouble("price"), + rs.getString("category") + ); + } + } + } catch (SQLException e) { + System.err.println("Database error while finding menu item: " + e.getMessage()); + } return null; } - } \ No newline at end of file diff --git a/src/main/java/dev/dao/OrderDao.java b/src/main/java/dev/dao/OrderDao.java index 00999a2..de2fcf3 100644 --- a/src/main/java/dev/dao/OrderDao.java +++ b/src/main/java/dev/dao/OrderDao.java @@ -1,25 +1,52 @@ package dev.dao; +import dev.database.DatabaseConnection; import dev.model.Order; - +import java.sql.*; +import java.util.ArrayList; import java.util.List; public class OrderDao { public int save(Order order) { - // TODO: - // Insert order and return generated id + String sql = "INSERT INTO orders (user_id, total_price) VALUES (?, ?)"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) { + stmt.setInt(1, order.getUserId()); + stmt.setDouble(2, order.getTotalPrice()); + stmt.executeUpdate(); + try (ResultSet generatedKeys = stmt.getGeneratedKeys()) { + if (generatedKeys.next()) { + return generatedKeys.getInt(1); + } + } + } catch (SQLException e) { + System.err.println("Database error while saving order: " + e.getMessage()); + } return -1; } public List findByUserId(int userId) { - - // TODO: - // Retrieve all orders of a user - - return null; + List orders = new ArrayList<>(); + String sql = "SELECT * FROM orders WHERE user_id = ? ORDER BY created_at DESC"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setInt(1, userId); + try (ResultSet rs = stmt.executeQuery()) { + while (rs.next()) { + orders.add(new Order( + rs.getInt("id"), + rs.getInt("user_id"), + rs.getTimestamp("created_at").toLocalDateTime(), + rs.getDouble("total_price") + )); + } + } + } catch (SQLException e) { + System.err.println("Database error while searching history: " + e.getMessage()); + } + return orders; } - } \ No newline at end of file diff --git a/src/main/java/dev/dao/OrderDetailDao.java b/src/main/java/dev/dao/OrderDetailDao.java index ed42f56..6f22596 100644 --- a/src/main/java/dev/dao/OrderDetailDao.java +++ b/src/main/java/dev/dao/OrderDetailDao.java @@ -1,24 +1,47 @@ package dev.dao; +import dev.database.DatabaseConnection; import dev.model.OrderDetail; - +import java.sql.*; +import java.util.ArrayList; import java.util.List; public class OrderDetailDao { public void save(OrderDetail detail) { - - // TODO: - // Insert order detail - + String sql = "INSERT INTO order_details (order_id, menu_item_id, quantity, price) VALUES (?, ?, ?, ?)"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setInt(1, detail.getOrderId()); + stmt.setInt(2, detail.getMenuItemId()); + stmt.setInt(3, detail.getQuantity()); + stmt.setDouble(4, detail.getPrice()); + stmt.executeUpdate(); + } catch (SQLException e) { + System.err.println("Database error while saving order details: " + e.getMessage()); + } } public List findByOrderId(int orderId) { - - // TODO: - // Retrieve order details - - return null; + List details = new ArrayList<>(); + String sql = "SELECT * FROM order_details WHERE order_id = ?"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setInt(1, orderId); + try (ResultSet rs = stmt.executeQuery()) { + while (rs.next()) { + details.add(new OrderDetail( + rs.getInt("id"), + rs.getInt("order_id"), + rs.getInt("menu_item_id"), + rs.getInt("quantity"), // <-- Use rs.getInt("quantity") here + rs.getDouble("price") + )); + } + } + } catch (SQLException e) { + System.err.println("Database error retrieving order details: " + e.getMessage()); + } + return details; } - } \ No newline at end of file diff --git a/src/main/java/dev/dao/UserDao.java b/src/main/java/dev/dao/UserDao.java index af08106..8b08412 100644 --- a/src/main/java/dev/dao/UserDao.java +++ b/src/main/java/dev/dao/UserDao.java @@ -1,23 +1,43 @@ package dev.dao; +import dev.database.DatabaseConnection; import dev.model.User; +import java.sql.*; public class UserDao { public boolean save(User user) { - - // TODO: - // Insert user into database - - return false; + String sql = "INSERT INTO users (username, password, email) VALUES (?, ?, ?)"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setString(1, user.getUsername()); + stmt.setString(2, user.getPassword()); + stmt.setString(3, user.getEmail()); + return stmt.executeUpdate() > 0; + } catch (SQLException e) { + System.err.println("Database error while registering: " + e.getMessage()); + return false; + } } public User findByUsername(String username) { - - // TODO: - // Find a user by username - + String sql = "SELECT * FROM users WHERE username = ?"; + try (Connection conn = DatabaseConnection.getConnection(); + PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setString(1, username); + try (ResultSet rs = stmt.executeQuery()) { + if (rs.next()) { + return new User( + rs.getInt("id"), + rs.getString("username"), + rs.getString("password"), + rs.getString("email") + ); + } + } + } catch (SQLException e) { + System.err.println("Database error while finding user: " + e.getMessage()); + } return null; } - } \ No newline at end of file diff --git a/src/main/java/dev/database/DatabaseConnection.java b/src/main/java/dev/database/DatabaseConnection.java index da45535..9e07457 100644 --- a/src/main/java/dev/database/DatabaseConnection.java +++ b/src/main/java/dev/database/DatabaseConnection.java @@ -1,27 +1,19 @@ package dev.database; import java.sql.Connection; +import java.sql.DriverManager; import java.sql.SQLException; public class DatabaseConnection { - private static final String URL = "jdbc:postgresql://localhost:5432/restaurant_db"; // DB Server - - private static final String USER = "postgres"; // Your Username - - private static final String PASSWORD = "password"; // Your Password + private static final String URL = "jdbc:postgresql://localhost:5432/restaurant_db"; + private static final String USER = "postgres"; + private static final String PASSWORD = "2357"; private DatabaseConnection() { - } - public static Connection getConnection() - throws SQLException { - - // TODO: - // Return a valid PostgreSQL connection - - return null; + public static Connection getConnection() throws SQLException { + return DriverManager.getConnection(URL, USER, PASSWORD); } - } \ No newline at end of file diff --git a/src/main/java/dev/model/MenuItem.java b/src/main/java/dev/model/MenuItem.java index 265ecc1..426a893 100644 --- a/src/main/java/dev/model/MenuItem.java +++ b/src/main/java/dev/model/MenuItem.java @@ -1,15 +1,30 @@ package dev.model; public class MenuItem { - private int id; - private String name; - private String description; - private double price; - private String category; + public MenuItem() {} + + public MenuItem(int id, String name, String description, double price, String category) { + this.id = id; + this.name = name; + this.description = description; + this.price = price; + this.category = category; + } + + public int getId() { return id; } + public void setId(int id) { this.id = id; } + public String getName() { return name; } + public void setName(String name) { this.name = name; } + public String getDescription() { return description; } + public void setDescription(String description) { this.description = description; } + public double getPrice() { return price; } + public void setPrice(double price) { this.price = price; } + public String getCategory() { return category; } + public void setCategory(String category) { this.category = category; } } \ No newline at end of file diff --git a/src/main/java/dev/model/Order.java b/src/main/java/dev/model/Order.java index 32049cb..9d51677 100644 --- a/src/main/java/dev/model/Order.java +++ b/src/main/java/dev/model/Order.java @@ -5,11 +5,24 @@ import java.time.LocalDateTime; public class Order { private int id; - private int userId; - private LocalDateTime createdAt; - private double totalPrice; + public Order() {} + + public Order(int id, int userId, LocalDateTime createdAt, double totalPrice) { + this.id = id; + this.userId = userId; + this.createdAt = createdAt; + this.totalPrice = totalPrice; + } + public int getId() { return id; } + public void setId(int id) { this.id = id; } + public int getUserId() { return userId; } + public void setUserId(int userId) { this.userId = userId; } + public LocalDateTime getCreatedAt() { return createdAt; } + public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; } + public double getTotalPrice() { return totalPrice; } + public void setTotalPrice(double totalPrice) { this.totalPrice = totalPrice; } } \ No newline at end of file diff --git a/src/main/java/dev/model/OrderDetail.java b/src/main/java/dev/model/OrderDetail.java index b5b8bbe..ad366aa 100644 --- a/src/main/java/dev/model/OrderDetail.java +++ b/src/main/java/dev/model/OrderDetail.java @@ -1,15 +1,30 @@ package dev.model; public class OrderDetail { - private int id; - private int orderId; - private int menuItemId; - private int quantity; - private double price; + public OrderDetail() {} + + public OrderDetail(int id, int orderId, int menuItemId, int quantity, double price) { + this.id = id; + this.orderId = orderId; + this.menuItemId = menuItemId; + this.quantity = quantity; + this.price = price; + } + + public int getId() { return id; } + public void setId(int id) { this.id = id; } + public int getOrderId() { return orderId; } + public void setOrderId(int orderId) { this.orderId = orderId; } + public int getMenuItemId() { return menuItemId; } + public void setMenuItemId(int menuItemId) { this.menuItemId = menuItemId; } + public int getQuantity() { return quantity; } + public void setQuantity(int quantity) { this.quantity = quantity; } + public double getPrice() { return price; } + public void setPrice(double price) { this.price = price; } } \ No newline at end of file diff --git a/src/main/java/dev/model/User.java b/src/main/java/dev/model/User.java index 0ab60c6..a5542f0 100644 --- a/src/main/java/dev/model/User.java +++ b/src/main/java/dev/model/User.java @@ -1,13 +1,26 @@ package dev.model; public class User { - private int id; - private String username; - private String password; - private String email; + public User() {} + + public User(int id, String username, String password, String email) { + this.id = id; + this.username = username; + this.password = password; + this.email = email; + } + + public int getId() { return id; } + public void setId(int id) { this.id = id; } + public String getUsername() { return username; } + public void setUsername(String username) { this.username = username; } + public String getPassword() { return password; } + public void setPassword(String password) { this.password = password; } + public String getEmail() { return email; } + public void setEmail(String email) { this.email = email; } } \ No newline at end of file diff --git a/src/main/java/dev/service/AuthService.java b/src/main/java/dev/service/AuthService.java index bee866a..bd63884 100644 --- a/src/main/java/dev/service/AuthService.java +++ b/src/main/java/dev/service/AuthService.java @@ -1,23 +1,47 @@ 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 = new UserDao(); public boolean register(String username, String password, String email) { - - // TODO: - // Validate and register user - - return false; + if (username == null || username.trim().isEmpty() || password == null || password.trim().isEmpty()) { + return false; + } + if (userDao.findByUsername(username) != null) { + System.out.println("Username already exists!"); + return false; + } + String hashedPassword = hashPassword(password); + User user = new User(0, username, hashedPassword, email); + return userDao.save(user); } public User login(String username, String password) { - - // TODO: - // Authenticate user - + User user = userDao.findByUsername(username); + if (user != null && user.getPassword().equals(hashPassword(password))) { + return user; + } return null; } + private String hashPassword(String password) { + try { + MessageDigest digest = MessageDigest.getInstance("SHA-256"); + byte[] encodedhash = digest.digest(password.getBytes()); + StringBuilder hexString = new StringBuilder(); + for (byte b : encodedhash) { + String hex = Integer.toHexString(0xff & b); + if (hex.length() == 1) hexString.append('0'); + hexString.append(hex); + } + return hexString.toString(); + } catch (NoSuchAlgorithmException e) { + throw new RuntimeException("Error securely processing password.", e); + } + } + } \ 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..8162ae1 100644 --- a/src/main/java/dev/service/MenuService.java +++ b/src/main/java/dev/service/MenuService.java @@ -1,12 +1,22 @@ package dev.service; +import dev.dao.MenuItemDao; +import dev.model.MenuItem; +import java.util.List; + public class MenuService { + private final MenuItemDao menuItemDao = new MenuItemDao(); + public void showMenu() { - - // TODO: - // Display menu items - + List items = menuItemDao.findAll(); + System.out.println("\n--- MENU ---"); + System.out.printf("%-4s | %-20s | %-40s | %-8s | %-10s\n", "ID", "Name", "Description", "Price", "Category"); + System.out.println("-".repeat(90)); + for (MenuItem item : items) { + System.out.printf("%-4d | %-20s | %-40s | $%-7.2f | %-10s\n", + item.getId(), item.getName(), item.getDescription(), item.getPrice(), item.getCategory()); + } + System.out.println("-".repeat(90)); } - } \ No newline at end of file diff --git a/src/main/java/dev/service/OrderService.java b/src/main/java/dev/service/OrderService.java index 14708f8..c897fa0 100644 --- a/src/main/java/dev/service/OrderService.java +++ b/src/main/java/dev/service/OrderService.java @@ -1,26 +1,127 @@ 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.util.*; + public class OrderService { + private final MenuItemDao menuItemDao = new MenuItemDao(); + private final OrderDao orderDao = new OrderDao(); + private final OrderDetailDao orderDetailDao = new OrderDetailDao(); + private final Scanner scanner = new Scanner(System.in); + public void placeOrder(int userId) { + Map cart = new HashMap<>(); // MenuItemID -> Quantity - // TODO: - // Create order + while (true) { + System.out.print("Enter the ID of the item to add (or 0 to complete order): "); + int itemId = scanner.nextInt(); + if (itemId == 0) { + break; + } + MenuItem item = menuItemDao.findById(itemId); + if (item == null) { + System.out.println("Invalid Menu Item ID! Try again."); + continue; + } + + System.out.print("Enter quantity: "); + int qty = scanner.nextInt(); + if (qty <= 0) { + System.out.println("Quantity must be greater than zero!"); + continue; + } + + cart.put(itemId, cart.getOrDefault(itemId, 0) + qty); + System.out.println("Added " + qty + "x " + item.getName() + " to cart."); + } + + if (cart.isEmpty()) { + System.out.println("Cart is empty. Order cancelled."); + return; + } + + // Calculate Grand Total + double grandTotal = 0; + List details = new ArrayList<>(); + for (Map.Entry entry : cart.entrySet()) { + MenuItem item = menuItemDao.findById(entry.getKey()); + double subTotal = item.getPrice() * entry.getValue(); + grandTotal += subTotal; + + OrderDetail detail = new OrderDetail(); + detail.setMenuItemId(item.getId()); + detail.setQuantity(entry.getValue()); + detail.setPrice(item.getPrice()); // Secure current purchase price + details.add(detail); + } + + // Persist Order + Order order = new Order(); + order.setUserId(userId); + order.setTotalPrice(grandTotal); + int orderId = orderDao.save(order); + + if (orderId == -1) { + System.out.println("An issue occurred. Order could not be created."); + return; + } + + // Persist Order Details + for (OrderDetail detail : details) { + detail.setOrderId(orderId); + orderDetailDao.save(detail); + } + + System.out.println("\nOrder registered successfully!"); + printReceipt(orderId); } public void printReceipt(int orderId) { + List details = orderDetailDao.findByOrderId(orderId); + if (details == null || details.isEmpty()) { + System.out.println("Receipt not found."); + return; + } - // TODO: - // Print order receipt + System.out.println("\n======================================="); + System.out.println(" 🧾 ORDER RECEIPT "); + System.out.println("======================================="); + System.out.printf("%-20s %-5s %-8s %-8s\n", "Item", "Qty", "Unit", "Total"); + System.out.println("-".repeat(43)); + double total = 0; + for (OrderDetail detail : details) { + MenuItem item = menuItemDao.findById(detail.getMenuItemId()); + double lineTotal = detail.getPrice() * detail.getQuantity(); + total += lineTotal; + System.out.printf("%-20s %-5d $%-7.2f $%-7.2f\n", + item.getName(), detail.getQuantity(), detail.getPrice(), lineTotal); + } + System.out.println("-".repeat(43)); + System.out.printf("Final Total: $%-7.2f\n", total); + System.out.println("=======================================\n"); } public void showOrderHistory(int userId) { + List orders = orderDao.findByUserId(userId); + if (orders == null || orders.isEmpty()) { + System.out.println("No past orders found."); + return; + } - // TODO: - // Display user's order history - + System.out.println("\n=== PAST ORDERS ==="); + for (Order o : orders) { + System.out.printf("Order #%d | Date: %s | Total Spent: $%.2f\n", + o.getId(), o.getCreatedAt().toString(), o.getTotalPrice()); + } + System.out.println("===================\n"); } - } \ 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..01bebf2 100644 --- a/src/main/java/dev/ui/ConsoleMenu.java +++ b/src/main/java/dev/ui/ConsoleMenu.java @@ -1,44 +1,122 @@ package dev.ui; +import dev.model.User; +import dev.service.AuthService; +import dev.service.MenuService; +import dev.service.OrderService; + import java.util.Scanner; public class ConsoleMenu { - private final Scanner scanner = - new Scanner(System.in); + 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 currentUser = 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 (currentUser == null) { + showAuthMenu(); + } else { + showMainMenu(); } - } - } + private void showAuthMenu() { + System.out.println(); + System.out.println("===== JAVA PIZZERIA ====="); + System.out.println("1. Login"); + System.out.println("2. Register"); + System.out.println("3. Exit"); + System.out.print("Choose an option: "); + + int choice = scanner.nextInt(); + scanner.nextLine(); // Clear buffer + + switch (choice) { + case 1: + handleLogin(); + break; + case 2: + handleRegister(); + break; + case 3: + System.out.println("Goodbye!"); + System.exit(0); + default: + System.out.println("Invalid choice"); + } + } + + private void showMainMenu() { + System.out.println(); + System.out.println("===== " + currentUser.getUsername().toUpperCase() + "'S PORTAL ====="); + System.out.println("1. View Menu"); + System.out.println("2. Place New Order"); + System.out.println("3. Order History"); + System.out.println("4. Logout"); + System.out.print("Choose an option: "); + + int choice = scanner.nextInt(); + scanner.nextLine(); // Clear buffer + + switch (choice) { + case 1: + menuService.showMenu(); + break; + case 2: + menuService.showMenu(); + orderService.placeOrder(currentUser.getId()); + break; + case 3: + orderService.showOrderHistory(currentUser.getId()); + break; + case 4: + System.out.println("Logging out..."); + currentUser = null; + break; + default: + System.out.println("Invalid choice"); + } + } + + private void handleLogin() { + System.out.println("\n[Login]"); + System.out.print("Enter username: "); + String username = scanner.nextLine(); + System.out.print("Enter password: "); + String password = scanner.nextLine(); + + User user = authService.login(username, password); + if (user != null) { + currentUser = user; + System.out.println("Login successful! Welcome, " + user.getUsername()); + } else { + System.out.println("Invalid username or password!"); + } + } + + private void handleRegister() { + System.out.println("\n[Registration]"); + System.out.print("Enter a unique username: "); + String username = scanner.nextLine(); + System.out.print("Enter password: "); + String password = scanner.nextLine(); + System.out.print("Enter email (Optional, press Enter to skip): "); + String email = scanner.nextLine(); + if (email.trim().isEmpty()) { + email = null; + } + + boolean success = authService.register(username, password, email); + if (success) { + System.out.println("Registration successful! You can now log in."); + } else { + System.out.println("Registration failed. Try a different username."); + } + } } \ No newline at end of file -- 2.54.0