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Merge pull request 'Develop' (#1) from develop into main

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Reviewed-on: #1
This commit was merged in pull request #1.
This commit is contained in:
Meraj
2026-07-31 23:59:05 +00:00
parent 00f990c653 34f2ff0289
commit d4a5eadbb7
21 changed files with 844 additions and 80 deletions
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.idea/.gitignore
Generated
+10
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@@ -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/
.idea/compiler.xml
Generated
+13
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@@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<annotationProcessing>
<profile name="Maven default annotation processors profile" enabled="true">
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
<module name="WS-10-Database" />
</profile>
</annotationProcessing>
</component>
</project>
.idea/encodings.xml
Generated
+7
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@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
</component>
</project>
.idea/inspectionProfiles/Project_Default.xml
Generated
+6
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@@ -0,0 +1,6 @@
<component name="InspectionProjectProfileManager">
<profile version="1.0">
<option name="myName" value="Project Default" />
<inspection_tool class="SqlNoDataSourceInspection" enabled="false" level="WARNING" enabled_by_default="false" />
</profile>
</component>
.idea/jarRepositories.xml
Generated
+20
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@@ -0,0 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Central Repository" />
<option name="url" value="https://maven.myket.ir/" />
</remote-repository>
</component>
</project>
.idea/misc.xml
Generated
+12
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@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/pom.xml" />
</list>
</option>
</component>
<component name="ProjectRootManager" version="2" project-jdk-name="23" project-jdk-type="JavaSDK" />
</project>
.idea/vcs.xml
Generated
+7
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@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>
database.sql
+52 -12
View File
@@ -8,7 +8,10 @@
-- 5. Insert at least 3 menu items.
-- 6. The script should be executable from start to finish without errors.
DROP TABLE IF EXISTS order_details CASCADE;
DROP TABLE IF EXISTS orders CASCADE;
DROP TABLE IF EXISTS menu_items CASCADE;
DROP TABLE IF EXISTS users CASCADE;
-- =======================================================
-- USER TABLE
@@ -28,9 +31,12 @@
-- - Username and password are required.
-- - Passwords should not be stored in plain text.
--
-- CREATE TABLE ...
CREATE TABLE users (
id SERIAL PRIMARY KEY,
username VARCHAR(50) UNIQUE NOT NULL,
password VARCHAR(250) NOT NULL,
email VARCHAR(100)
);
-- =======================================================
-- MENU ITEM TABLE
@@ -50,9 +56,12 @@
-- - Name is required.
-- - Price must always be positive.
--
-- CREATE TABLE ...
CREATE TABLE menu_items (
id SERIAL PRIMARY KEY,
name VARCHAR(100),
price DECIMAL(10,2) NOT NULL CHECK (price > 0),
category VARCHAR(50)
);
-- =======================================================
-- ORDER TABLE
@@ -75,9 +84,15 @@
-- Avoid using reserved SQL keywords as table names.
-- Consider using a name such as "orders" or "customer_orders".
--
-- CREATE TABLE ...
CREATE TABLE orders (
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL,
orderDate TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
total_price DECIMAL(10,2) NOT NULL,
CONSTRAINT fk_orders
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);
-- =======================================================
-- ORDER DETAIL TABLE
@@ -98,7 +113,21 @@
-- - Quantity must always be greater than zero.
-- - Store the item's price at the moment of purchase.
--
-- CREATE TABLE ...
CREATE TABLE order_details (
id SERIAL PRIMARY KEY,
order_id INTEGER NOT NULL,
menu_items_id INTEGER NOT NULL,
quantity INTEGER NOT NULL CHECK (quantity>0),
price_at_purchase DECIMAL(10,2) NOT NULL,
CONSTRAINT fk_order_detail_order
FOREIGN KEY (order_id) REFERENCES orders(id)
ON DELETE CASCADE,
CONSTRAINT fk_menu_items_id
FOREIGN KEY (menu_items_id) REFERENCES menu_items(id)
ON DELETE RESTRICT
);
@@ -114,7 +143,11 @@
-- - Pasta
-- - Drink
--
-- INSERT INTO ...
INSERT INTO menu_items (name, price, category) VALUES
('Margherita', 9.99, 'Pizza'),
('Cheeseburger', 8.50, 'Burger'),
('Alfredo pasta', 12.00, 'Pasta'),
('Coca Cola', 2.50, 'Drink');
@@ -125,9 +158,16 @@
-- You may insert sample users and orders for testing.
-- This section is optional.
--
-- INSERT INTO ...
INSERT INTO users (username, password, email) VALUES
('aga armin', MD5('123456'), 'ar@example.com'),
('mewsoume', MD5('mypass'), 'm@example.com');
INSERT INTO orders (user_id, total_price) VALUES
(1, 22.49);
INSERT INTO order_details (order_id, menu_items_id, quantity, price_at_purchase) VALUES
(1, 1, 2, 9.99),
(1, 3, 1, 12.00);
-- =======================================================
-- VERIFICATION QUERIES
src/main/java/dev/dao/MenuItemDao.java
+47 -5
View File
@@ -1,23 +1,65 @@
package dev.dao;
import dev.database.DatabaseConnection;
import dev.model.MenuItem;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
public class MenuItemDao {
public List<MenuItem> findAll() {
// TODO:
// Retrieve all menu items
String sql = "SELECT id, name, price, category FROM menu_items";
List<MenuItem> items = new ArrayList<>();
return null;
try(Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql);
ResultSet rs = stmt.executeQuery())
{
while (rs.next())
{
MenuItem item = new MenuItem();
item.setId(rs.getInt("id"));
item.setName(rs.getString("name"));
item.setPrice(rs.getDouble("price"));
item.setCategory(rs.getString("category"));
items.add(item);
}
} catch (SQLException e)
{
e.printStackTrace();
}
return items;
}
public MenuItem findById(int id) {
// TODO:
// Find menu item by id
String sql = "SELECT id, name, price, category 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())
{
MenuItem item = new MenuItem();
item.setId(rs.getInt("id"));
item.setName(rs.getString("name"));
item.setPrice(rs.getDouble("price"));
item.setCategory(rs.getString("category"));
return item;
}
}
} catch (SQLException e)
{
e.printStackTrace();
}
return null;
}
src/main/java/dev/dao/OrderDao.java
+56 -5
View File
@@ -1,25 +1,76 @@
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());
int affectedRows = stmt.executeUpdate();
if (affectedRows == 0)
{
throw new SQLException("unsuccessful");
}
try (ResultSet generatedKeys = stmt.getGeneratedKeys())
{
if (generatedKeys.next())
{
return generatedKeys.getInt(1);
} else
{
throw new SQLException("unsuccessful");
}
}
} catch (SQLException e)
{
e.printStackTrace();
}
return -1;
}
public List<Order> findByUserId(int userId) {
// TODO:
// Retrieve all orders of a user
String sql = "SELECT id, user_id, orderDate, total_price FROM orders WHERE user_id = ? ORDER BY orderDate DESC";
List<Order> orders = new ArrayList<>();
return null;
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql))
{
stmt.setInt(1, userId);
try (ResultSet rs = stmt.executeQuery())
{
while (rs.next())
{
Order order = new Order();
order.setId(rs.getInt("id"));
order.setUserId(rs.getInt("user_id"));
order.setCreatedAt(rs.getTimestamp("orderDate").toLocalDateTime());
order.setTotalPrice(rs.getDouble("total_price"));
orders.add(order);
}
}
} catch (SQLException e)
{
e.printStackTrace();
}
return orders;
}
}
src/main/java/dev/dao/OrderDetailDao.java
+50 -5
View File
@@ -1,24 +1,69 @@
package dev.dao;
import dev.database.DatabaseConnection;
import dev.model.OrderDetail;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
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_items_id, quantity, price_at_purchase) 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)
{
e.printStackTrace();
}
}
public List<OrderDetail> findByOrderId(int orderId) {
// TODO:
// Retrieve order details
String sql = "SELECT id, order_id, menu_items_id, quantity, price_at_purchase FROM order_details WHERE order_id = ?";
return null;
List<OrderDetail> orderDetails = new ArrayList<>();
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql))
{
stmt.setInt(1, orderId);
try (ResultSet rs = stmt.executeQuery())
{
while (rs.next())
{
OrderDetail orderDetail = new OrderDetail();
orderDetail.setId(rs.getInt("id"));
orderDetail.setOrderId(rs.getInt("order_id"));
orderDetail.setMenuItemId(rs.getInt("menu_items_id"));
orderDetail.setQuantity(rs.getInt("quantity"));
orderDetail.setPrice(rs.getDouble("price_at_purchase"));
orderDetails.add(orderDetail);
}
}
} catch (SQLException e)
{
e.printStackTrace();
}
return orderDetails;
}
}
src/main/java/dev/dao/UserDao.java
+41 -5
View File
@@ -1,23 +1,59 @@
package dev.dao;
import dev.database.DatabaseConnection;
import dev.model.User;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class UserDao {
public boolean save(User user) {
// TODO:
// Insert user into database
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());
int affectedRows = stmt.executeUpdate();
return affectedRows > 0;
} catch (SQLException e)
{
e.printStackTrace();
return false;
}
}
public User findByUsername(String username) {
// TODO:
// Find a user by username
String sql = "SELECT id, username, password, email 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())
{
User user = new User();
user.setId(rs.getInt("id"));
user.setUsername(rs.getString("username"));
user.setPassword(rs.getString("password"));
user.setEmail(rs.getString("email"));
return user;
}
}
} catch (SQLException e)
{
e.printStackTrace();
}
return null;
}
}
src/main/java/dev/database/DatabaseConnection.java
+4 -5
View File
@@ -1,15 +1,16 @@
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 URL = "jdbc:postgresql://localhost:5432/restaurant"; // DB Server
private static final String USER = "postgres"; // Your Username
private static final String PASSWORD = "password"; // Your Password
private static final String PASSWORD = "11"; // Your Password
private DatabaseConnection() {
@@ -17,11 +18,9 @@ public class DatabaseConnection {
public static Connection getConnection()
throws SQLException {
// TODO:
// Return a valid PostgreSQL connection
return DriverManager.getConnection(URL, USER, PASSWORD);
return null;
}
}
src/main/java/dev/model/MenuItem.java
+39
View File
@@ -12,4 +12,43 @@ public class MenuItem {
private String 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;
}
}
src/main/java/dev/model/Order.java
+31
View File
@@ -12,4 +12,35 @@ public class Order {
private double totalPrice;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public double getTotalPrice() {
return totalPrice;
}
public void setTotalPrice(double totalPrice) {
this.totalPrice = totalPrice;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
}
src/main/java/dev/model/OrderDetail.java
+39
View File
@@ -12,4 +12,43 @@ public class OrderDetail {
private double price;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public int getQuantity() {
return quantity;
}
public void setQuantity(int quantity) {
this.quantity = quantity;
}
public int getMenuItemId() {
return menuItemId;
}
public void setMenuItemId(int menuItemId) {
this.menuItemId = menuItemId;
}
public int getOrderId() {
return orderId;
}
public void setOrderId(int orderId) {
this.orderId = orderId;
}
}
src/main/java/dev/model/User.java
+31
View File
@@ -10,4 +10,35 @@ public class User {
private String 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;
}
}
src/main/java/dev/service/AuthService.java
+89 -6
View File
@@ -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;
}
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;
}
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;
}
}
}
src/main/java/dev/service/MenuService.java
+26 -2
View File
@@ -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<MenuItem> 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());
}
}
src/main/java/dev/service/OrderService.java
+101 -8
View File
@@ -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<OrderDetail> 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<OrderDetail> 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<Order> 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("--------------------------------------------------");
}
}
src/main/java/dev/ui/ConsoleMenu.java
+152 -16
View File
@@ -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) {
if (loggedInUser == null) {
showMainMenu();
} else {
showUserMenu();
}
}
}
private void showMainMenu()
{
System.out.println();
System.out.println("===== JAVA PIZZERIA =====");
System.out.println("=======================================");
System.out.println(" 🍕 WELCOME TO JAVA PIZZERIA 🍕");
System.out.println("=======================================");
System.out.println("1. Login");
System.out.println("2. Register");
System.out.println("2. Register New Account");
System.out.println("3. Exit");
System.out.println("=======================================");
System.out.print("Choose an option: ");
int choice = scanner.nextInt();
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.");
}
}
switch (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: ");
case 1:
// TODO
break;
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.");
}
}
case 2:
// TODO
break;
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();
case 3:
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<OrderDetail> 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;
default:
System.out.println("Invalid choice");
}
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: ");
}
}
}
}