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Merge pull request 'complete Restaurant Database Management System implementation' (#1) from develope into main

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Reviewed-on: #1
This commit was merged in pull request #1.
This commit is contained in:
peyman
2026-07-23 20:25:07 +00:00
parent 00f990c653 7ef862c5e1
commit 8abc0c3e69
18 changed files with 656 additions and 26 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
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+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="Central Repository" />
<option name="url" value="https://repo.maven.apache.org/maven2" />
</remote-repository>
<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>
</component>
</project>
.idea/misc.xml
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+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" languageLevel="JDK_23_PREVIEW" project-jdk-name="corretto-23" project-jdk-type="JavaSDK" />
</project>
.idea/vcs.xml
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+6
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@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
</component>
</project>
database.sql
+49 -9
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@@ -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
@@ -30,6 +33,12 @@
--
-- CREATE TABLE ...
CREATE TABLE users (
id SERIAL PRIMARY KEY,
username VARCHAR(50) NOT NULL UNIQUE,
password VARCHAR(255) NOT NULL,
email VARCHAR(100)
);
-- =======================================================
@@ -52,7 +61,13 @@
--
-- CREATE TABLE ...
CREATE TABLE 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
@@ -77,7 +92,13 @@
--
-- CREATE TABLE ...
CREATE TABLE orders (
id SERIAL PRIMARY KEY,
user_id INT NOT NULL,
order_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
total_amount DECIMAL(10, 2) NOT NULL DEFAULT 0.00 CHECK (total_amount >= 0),
CONSTRAINT fk_order_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);
-- =======================================================
-- ORDER DETAIL TABLE
@@ -100,7 +121,15 @@
--
-- CREATE TABLE ...
CREATE TABLE 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_at_purchase DECIMAL(10, 2) NOT NULL CHECK (price_at_purchase > 0),
CONSTRAINT fk_detail_order FOREIGN KEY (order_id) REFERENCES orders(id) ON DELETE CASCADE,
CONSTRAINT fk_detail_menu FOREIGN KEY (menu_item_id) REFERENCES menu_items(id) ON DELETE RESTRICT
);
-- =======================================================
-- INITIAL MENU DATA
@@ -116,7 +145,11 @@
--
-- INSERT INTO ...
INSERT INTO menu_items (name, description, price, category) VALUES
('Pizza', 'Delicious cheese and pepperoni pizza', 10.00, 'Pizza'),
('Burger', 'Juicy grilled beef burger with fries', 8.00, 'Burger'),
('Pasta', 'Creamy Alfredo pasta with chicken', 12.00, 'Pasta'),
('Coca Cola', 'Chilled soft drink', 2.50, 'Drink');
-- =======================================================
-- OPTIONAL TEST DATA
@@ -127,7 +160,14 @@
--
-- INSERT INTO ...
INSERT INTO users (username, password, email) VALUES
('fatemeh_demo', '$2a$10$EixZaYVK1upmZ7zpKgH97O5F', 'fatemeh@example.com');
INSERT INTO orders (user_id, total_amount) VALUES
(1, 20.00);
INSERT INTO order_details (order_id, menu_item_id, quantity, price_at_purchase) VALUES
(1, 1, 2, 10.00);
-- =======================================================
-- VERIFICATION QUERIES
@@ -135,7 +175,7 @@
--
-- Uncomment these queries to verify your database.
--
-- SELECT * FROM ...;
-- SELECT * FROM ...;
-- SELECT * FROM ...;
-- SELECT * FROM ...;
SELECT * FROM users;
SELECT * FROM menu_items;
SELECT * FROM orders;
SELECT * FROM orders;
src/main/java/dev/dao/MenuItemDao.java
+53 -4
View File
@@ -3,6 +3,10 @@ package dev.dao;
import dev.model.MenuItem;
import java.util.List;
import dev.database.DatabaseConnection;
import java.lang.reflect.Field;
import java.sql.*;
import java.util.ArrayList;
public class MenuItemDao {
@@ -10,16 +14,61 @@ public class MenuItemDao {
// TODO:
// Retrieve all menu items
return null;
List<MenuItem> items = new ArrayList<>();
String sql = "SELECT * FROM menu_items";
try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql); ResultSet rs = stmt.executeQuery()){
while (rs.next()) {
MenuItem item = new MenuItem();
mapResultSetToMenuItem(rs, item);
items.add(item);
}
}
catch (SQLException ex){
ex.printStackTrace();
}
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()){
MenuItem item = new MenuItem();
mapResultSetToMenuItem(rs, item);
return item;
}
}
}
catch (SQLException ex){
ex.printStackTrace();
}
return null;
}
private void mapResultSetToMenuItem(ResultSet rs, MenuItem item){
try {
Field idField = MenuItem.class.getDeclaredField("id");
Field nameField = MenuItem.class.getDeclaredField("name");
Field descField = MenuItem.class.getDeclaredField("description");
Field priceField = MenuItem.class.getDeclaredField("price");
Field catField = MenuItem.class.getDeclaredField("category");
idField.setAccessible(true);
nameField.setAccessible(true);
descField.setAccessible(true);
priceField.setAccessible(true);
catField.setAccessible(true);
idField.set(item, rs.getInt("id"));
nameField.set(item, rs.getString("name"));
descField.set(item, rs.getString("description"));
priceField.set(item, rs.getDouble("price"));
catField.set(item, rs.getString("category"));
}
catch (Exception ex){
ex.printStackTrace();
}
}
}
src/main/java/dev/dao/OrderDao.java
+53 -1
View File
@@ -3,6 +3,10 @@ package dev.dao;
import dev.model.Order;
import java.util.List;
import dev.database.DatabaseConnection;
import java.lang.reflect.Field;
import java.sql.*;
import java.util.ArrayList;
public class OrderDao {
@@ -10,6 +14,25 @@ public class OrderDao {
// TODO:
// Insert order and return generated id
String sql = "INSERT INTO orders (user_id, total_amount) VALUES (?, ?)";
try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)){
Field userIdField = Order.class.getDeclaredField("userId");
Field totalPriceField = Order.class.getDeclaredField("totalPrice");
userIdField.setAccessible(true);
totalPriceField.setAccessible(true);
stmt.setInt(1, (int) userIdField.get(order));
stmt.setDouble(2, (double) totalPriceField.get(order));
stmt.executeUpdate();
try (ResultSet generatedKeys = stmt.getGeneratedKeys()){
if (generatedKeys.next()){
return generatedKeys.getInt(1);
}
}
}
catch (SQLException | NoSuchFieldException | IllegalAccessException ex){
ex.printStackTrace();
}
return -1;
}
@@ -18,8 +41,37 @@ public class OrderDao {
// TODO:
// Retrieve all orders of a user
List<Order> orders = new ArrayList<>();
String sql = "SELECT * FROM orders WHERE user_id = ? ORDER BY order_date DESC";
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();
Field idField = Order.class.getDeclaredField("id");
Field userIdField = Order.class.getDeclaredField("userId");
Field createdAtField = Order.class.getDeclaredField("createdAt");
Field totalPriceField = Order.class.getDeclaredField("totalPrice");
idField.setAccessible(true);
userIdField.setAccessible(true);
createdAtField.setAccessible(true);
totalPriceField.setAccessible(true);
idField.set(order, rs.getInt("id"));
userIdField.set(order, rs.getInt("user_id"));
Timestamp timestamp = rs.getTimestamp("order_date");
if (timestamp != null){
createdAtField.set(order, timestamp.toLocalDateTime());
}
return null;
totalPriceField.set(order, rs.getDouble("total_amount"));
orders.add(order);
}
}
}
catch(SQLException | NoSuchFieldException | IllegalAccessException ex){
ex.printStackTrace();
}
return orders;
}
}
src/main/java/dev/dao/OrderDetailDao.java
+53 -3
View File
@@ -3,6 +3,10 @@ package dev.dao;
import dev.model.OrderDetail;
import java.util.List;
import dev.database.DatabaseConnection;
import java.lang.reflect.Field;
import java.sql.*;
import java.util.ArrayList;
public class OrderDetailDao {
@@ -10,15 +14,61 @@ public class OrderDetailDao {
// TODO:
// Insert order detail
String sql = "INSERT INTO order_details (order_id, menu_item_id, quantity, price_at_purchase) VALUES (?, ?, ?, ?)";
try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql)){
Field orderIdField = OrderDetail.class.getDeclaredField("orderId");
Field menuItemIdField = OrderDetail.class.getDeclaredField("menuItemId");
Field quantityField = OrderDetail.class.getDeclaredField("quantity");
Field priceField = OrderDetail.class.getDeclaredField("price");
orderIdField.setAccessible(true);
menuItemIdField.setAccessible(true);
quantityField.setAccessible(true);
priceField.setAccessible(true);
stmt.setInt(1, (int) orderIdField.get(detail));
stmt.setInt(2, (int) menuItemIdField.get(detail));
stmt.setInt(3, (int) quantityField.get(detail));
stmt.setDouble(4, (double) priceField.get(detail));
stmt.executeUpdate();
}
catch (SQLException | NoSuchFieldException | IllegalAccessException ex){
ex.printStackTrace();
}
}
public List<OrderDetail> findByOrderId(int orderId) {
// TODO:
// Retrieve order details
return null;
List<OrderDetail> 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()){
OrderDetail detail = new OrderDetail();
Field idField = OrderDetail.class.getDeclaredField("id");
Field ordIdField = OrderDetail.class.getDeclaredField("orderId");
Field itemField = OrderDetail.class.getDeclaredField("menuItemId");
Field qtyField = OrderDetail.class.getDeclaredField("quantity");
Field prcField = OrderDetail.class.getDeclaredField("price");
idField.setAccessible(true);
ordIdField.setAccessible(true);
itemField.setAccessible(true);
qtyField.setAccessible(true);
prcField.setAccessible(true);
idField.set(detail, rs.getInt("id"));
ordIdField.set(detail, rs.getInt("order_id"));
itemField.set(detail, rs.getInt("menu_item_id"));
qtyField.set(detail, rs.getInt("quantity"));
prcField.set(detail, rs.getDouble("price_at_purchase"));
details.add(detail);
}
}
}
catch (SQLException | NoSuchFieldException | IllegalAccessException ex){
ex.printStackTrace();
}
return details;
}
}
src/main/java/dev/dao/UserDao.java
+46 -1
View File
@@ -1,6 +1,9 @@
package dev.dao;
import dev.model.User;
import dev.database.DatabaseConnection;
import java.lang.reflect.Field;
import java.sql.*;
public class UserDao {
@@ -8,14 +11,56 @@ public class UserDao {
// TODO:
// Insert user into database
String sql = "insert into users (username, password, email) values (?, ?, ?) ";
try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql)){
Field usernameField = User.class.getDeclaredField("username");
Field passwordField = User.class.getDeclaredField("password");
Field emailField = User.class.getDeclaredField("email");
usernameField.setAccessible(true);
passwordField.setAccessible(true);
emailField.setAccessible(true);
stmt.setString(1, (String) usernameField.get(user));
stmt.setString(2, (String) passwordField.get(user));
stmt.setString(3, (String) emailField.get(user));
return false;
int rowsInserted = stmt.executeUpdate();
return rowsInserted > 0;
}
catch (SQLException | NoSuchFieldException | IllegalAccessException ex){
ex.printStackTrace();
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()){
User user = new User();
Field idField = User.class.getDeclaredField("id");
Field usernameField = User.class.getDeclaredField("username");
Field passwordField = User.class.getDeclaredField("password");
Field emailField = User.class.getDeclaredField("email");
idField.setAccessible(true);
usernameField.setAccessible(true);
passwordField.setAccessible(true);
emailField.setAccessible(true);
idField.set(user, rs.getInt("id"));
usernameField.set(user, rs.getString("username"));
passwordField.set(user, rs.getString("password"));
emailField.set(user, rs.getString("email"));
return user;
}
}
}
catch (SQLException | NoSuchFieldException | IllegalAccessException e){
e.printStackTrace();
}
return null;
}
src/main/java/dev/database/DatabaseConnection.java
+3 -2
View File
@@ -2,6 +2,7 @@ package dev.database;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.DriverManager;
public class DatabaseConnection {
@@ -9,7 +10,7 @@ public class DatabaseConnection {
private static final String USER = "postgres"; // Your Username
private static final String PASSWORD = "password"; // Your Password
private static final String PASSWORD = "angelo"; // Your Password
private DatabaseConnection() {
@@ -21,7 +22,7 @@ public class DatabaseConnection {
// TODO:
// Return a valid PostgreSQL connection
return null;
return DriverManager.getConnection(URL, USER, PASSWORD);
}
}
src/main/java/dev/service/AuthService.java
+63 -4
View File
@@ -1,23 +1,82 @@
package dev.service;
import dev.model.User;
import dev.dao.UserDao;
import java.lang.reflect.Field;
import java.security.*;
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 (userDao.findByUsername(username) != null){
System.out.println("Error: Username already exists!");
return false;
}
String hashedPassword = hashPassword(password);
if (hashedPassword == null){
return false;
}
User user = new User();
try {
Field usernameField = User.class.getDeclaredField("username");
Field passwordField = User.class.getDeclaredField("password");
Field emailField = User.class.getDeclaredField("email");
usernameField.setAccessible(true);
passwordField.setAccessible(true);
emailField.setAccessible(true);
usernameField.set(user, username);
passwordField.set(user, hashedPassword);
emailField.set(user, email);
return userDao.save(user);
}
catch (Exception ex){
ex.printStackTrace();
return false;
}
}
public User login(String username, String password) {
// TODO:
// Authenticate user
User user = userDao.findByUsername(username);
if (user == null){
return null;
}
try {
Field passwordField = User.class.getDeclaredField("password");
passwordField.setAccessible(true);
String storedPassword = (String) passwordField.get(user);
if (storedPassword.equals(hashPassword(password))){
return user;
}
}
catch (Exception ex){
ex.printStackTrace();
}
return null;
}
private String hashPassword(String password){
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] encodedhash = digest.digest(password.getBytes());
StringBuilder hexString = new StringBuilder(2 * encodedhash.length);
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 ex){
ex.printStackTrace();
return null;
}
}
}
src/main/java/dev/service/MenuService.java
+27 -1
View File
@@ -1,12 +1,38 @@
package dev.service;
import dev.dao.MenuItemDao;
import dev.model.MenuItem;
import java.lang.reflect.Field;
import java.util.List;
public class MenuService {
private final MenuItemDao menuItemDao = new MenuItemDao();
public void showMenu() {
// TODO:
// Display menu items
List<MenuItem> items = menuItemDao.findAll();
System.out.println("\n--- RESTAURANT MENU ---");
if (items.isEmpty()){
System.out.println("No items available.");
return;
}
try {
Field idField = MenuItem.class.getDeclaredField("id");
Field nameField = MenuItem.class.getDeclaredField("name");
Field priceField = MenuItem.class.getDeclaredField("price");
Field descField = MenuItem.class.getDeclaredField("description");
idField.setAccessible(true);
nameField.setAccessible(true);
priceField.setAccessible(true);
descField.setAccessible(true);
for (MenuItem item : items){
System.out.printf("%d. %s - $%.2f (%s)\n", idField.get(item), nameField.get(item), priceField.get(item), descField.get(item) != null ? descField.get(item) : "No description");
}
}
catch (Exception ex){
ex.printStackTrace();
}
}
}
src/main/java/dev/service/OrderService.java
+142 -1
View File
@@ -1,11 +1,98 @@
package dev.service;
import dev.dao.MenuItemDao;
import dev.dao.OrderDao;
import dev.dao.OrderDetailDao;
import dev.model.Order;
import dev.model.MenuItem;
import dev.model.OrderDetail;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
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) {
// TODO:
// Create order
List<OrderDetail> cart = new ArrayList<>();
double grandTotal = 0.0;
try {
Field itemPriceField = MenuItem.class.getDeclaredField("price");
Field itemNameField = MenuItem.class.getDeclaredField("name");
itemPriceField.setAccessible(true);
itemNameField.setAccessible(true);
while (true){
System.out.print("Enter the ID of the item to add (or 0 to finish): ");
int itemId = scanner.nextInt();
if (itemId == 0) break;
MenuItem item = menuItemDao.findById(itemId);
if (item == null){
System.out.println("Item not found!");
continue;
}
System.out.print("Enter quantity: ");
int quantity = scanner.nextInt();
if (quantity <= 0){
System.out.println("Quantity must be greater than zero!");
continue;
}
double price = (double) itemPriceField.get(item);
OrderDetail detail = new OrderDetail();
Field ordDetItemField = OrderDetail.class.getDeclaredField("menuItemId");
Field ordDetQtyField = OrderDetail.class.getDeclaredField("quantity");
Field ordDetPrcField = OrderDetail.class.getDeclaredField("price");
ordDetItemField.setAccessible(true);
ordDetQtyField.setAccessible(true);
ordDetPrcField.setAccessible(true);
ordDetItemField.set(detail, itemId);
ordDetQtyField.set(detail, quantity);
ordDetPrcField.set(detail, price);
cart.add(detail);
grandTotal += (price * quantity);
System.out.println("Added " + quantity + "x " + itemNameField.get(item) + " to your cart.");
}
if (cart.isEmpty()){
System.out.println("Cart is empty. Order cancelled.");
return;
}
Order order = new Order();
Field ordUserField = Order.class.getDeclaredField("userId");
Field ordTotalField = Order.class.getDeclaredField("totalPrice");
ordUserField.setAccessible(true);
ordTotalField.setAccessible(true);
ordUserField.set(order, userId);
ordTotalField.set(order, grandTotal);
int orderId = orderDao.save(order);
if (orderId != -1){
Field ordDetIdField = OrderDetail.class.getDeclaredField("orderId");
ordDetIdField.setAccessible(true);
for (OrderDetail detail : cart){
ordDetIdField.set(detail, orderId);
orderDetailDao.save(detail);
}
System.out.println("Order saved successfully!");
printReceipt(orderId);
}
else{
System.out.println("Failed to save order.");
}
}
catch (Exception ex){
ex.printStackTrace();
}
}
@@ -13,6 +100,39 @@ public class OrderService {
// TODO:
// Print order receipt
System.out.println("\n[Order Receipt]");
System.out.println("---------------------------------------");
System.out.printf("%-12s %-7s %-9s %s\n", "Item", "Qty", "Unit", "Total");
System.out.println("---------------------------------------");
List<OrderDetail> details = orderDetailDao.findByOrderId(orderId);
double finalTotal = 0.0;
try {
Field itemField = OrderDetail.class.getDeclaredField("menuItemId");
Field qtyField = OrderDetail.class.getDeclaredField("quantity");
Field prcField = OrderDetail.class.getDeclaredField("price");
itemField.setAccessible(true);
qtyField.setAccessible(true);
prcField.setAccessible(true);
Field itemNameField = MenuItem.class.getDeclaredField("name");
itemNameField.setAccessible(true);
for (OrderDetail detail : details){
int itemId = (int) itemField.get(detail);
int qty = (int) qtyField.get(detail);
double unitPrice = (double) prcField.get(detail);
double total = unitPrice * qty;
finalTotal += total;
MenuItem item = menuItemDao.findById(itemId);
String itemName = (item != null) ? (String) itemNameField.get(item) : "Unknown";
System.out.printf("%-12s %-7d $%-8.2f $%.2f\n", itemName, qty, unitPrice, total);
}
System.out.println("---------------------------------------");
System.out.printf("Final Total: $%.2f\n", finalTotal);
}
catch (Exception ex){
ex.printStackTrace();
}
}
@@ -20,6 +140,27 @@ public class OrderService {
// TODO:
// Display user's order history
List<Order> orders = orderDao.findByUserId(userId);
System.out.println("\n--- ORDER HISTORY ---");
if (orders.isEmpty()){
System.out.println("No past orders found.");
return;
}
try {
Field idField = Order.class.getDeclaredField("id");
Field dateField = Order.class.getDeclaredField("createdAt");
Field totalField = Order.class.getDeclaredField("totalPrice");
idField.setAccessible(true);
dateField.setAccessible(true);
totalField.setAccessible(true);
for (Order order : orders){
System.out.printf("Order ID: %d | Date: %s | Total Spent: $%.2f\n", idField.get(order), dateField.get(order), totalField.get(order));
}
}
catch (Exception ex){
ex.printStackTrace();
}
}
src/main/java/dev/ui/ConsoleMenu.java
+93
View File
@@ -1,11 +1,22 @@
package dev.ui;
import java.util.Scanner;
import dev.model.User;
import dev.service.AuthService;
import dev.service.MenuService;
import dev.service.OrderService;
import java.lang.reflect.Field;
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();
public void start() {
@@ -18,18 +29,22 @@ public class ConsoleMenu {
System.out.println("3. Exit");
int choice = scanner.nextInt();
scanner.nextLine();
switch (choice) {
case 1:
// TODO
handleLogin();
break;
case 2:
// TODO
handleRegister();
break;
case 3:
System.out.println("Goodbye!");
return;
default:
@@ -40,5 +55,83 @@ public class ConsoleMenu {
}
}
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 loggedInUser = authService.login(username, password);
if (loggedInUser != null){
System.out.println("Login successful! Welcome, " + username + ".");
showUserMenu(loggedInUser);
}
else{
System.out.println("Error: Invalid username or password.");
}
}
private void handleRegister(){
System.out.println("\n[Register New Account]");
System.out.print("Enter 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;
}
if (authService.register(username, password, email)){
System.out.println("Registration successful! You can now log in.");
}
else{
System.out.println("Registration failed.");
}
}
private void showUserMenu(User user){
try {
Field idField = User.class.getDeclaredField("id");
idField.setAccessible(true);
int userId = (int) idField.get(user);
while (true){
System.out.println("\n=======================================");
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.print("Choose an option: ");
int choice = scanner.nextInt();
scanner.nextLine();
switch (choice){
case 1:
menuService.showMenu();
break;
case 2:
menuService.showMenu();
orderService.placeOrder(userId);
break;
case 3:
orderService.showOrderHistory(userId);
break;
case 4:
System.out.println("Logged out successfully.");
return;
default:
System.out.println("Invalid choice.");
}
}
}
catch (Exception ex){
ex.printStackTrace();
}
}
}
structure.txt
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