mahdi_Goudarzi/WS-10-Database
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order & report

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mahdi_Goudarzi
2026-06-30 15:09:04 +03:30
parent 735940a4e0
commit 1f4e9eff3a
10 changed files with 340 additions and 37 deletions
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.idea/dataSources.xml
Generated
+12
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@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="DataSourceManagerImpl" format="xml" multifile-model="true">
<data-source source="LOCAL" name="postgres@localhost" uuid="cefa0168-48c2-4c70-8fa7-1ab9ac6efe72">
<driver-ref>postgresql</driver-ref>
<synchronize>true</synchronize>
<jdbc-driver>org.postgresql.Driver</jdbc-driver>
<jdbc-url>jdbc:postgresql://localhost:5432/postgres</jdbc-url>
<working-dir>$ProjectFileDir$</working-dir>
</data-source>
</component>
</project>
.idea/sqldialects.xml
Generated
+6
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@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="SqlDialectMappings">
<file url="file://$PROJECT_DIR$/database.sql" dialect="GenericSQL" />
</component>
</project>
src/main/java/dev/dao/MenuItemDao.java
+1 -1
View File
@@ -52,7 +52,7 @@ public class MenuItemDao {
if(rst.next()){
MenuItem item = new MenuItem(rst.getInt("id"),
rst.getString("name"),
rst.getString("descrition"),
rst.getString("description"),
rst.getDouble("price"),
rst.getString("category"));
src/main/java/dev/dao/OrderDao.java
+66 -5
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@@ -1,25 +1,86 @@
package dev.dao;
import dev.database.DatabaseConnection;
import dev.model.Order;
import java.sql.*;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
public class OrderDao {
public int save(Order order) {
// TODO:
// Insert order and return generated id
LocalDateTime now = LocalDateTime.now();
String query = "INSERT INTO customer_orders (user_id, time, total_price) VALUES (?, ?, ?)";
try(Connection c = DatabaseConnection.getConnection();
PreparedStatement pst = c.prepareStatement(query , Statement.RETURN_GENERATED_KEYS)){
pst.setInt(1 , order.getUserId());
pst.setTimestamp(2 , Timestamp.valueOf(now));
pst.setDouble(3 , order.getTotalPrice());
int i = pst.executeUpdate();
if(i==1) System.out.println("Order saved");
try (ResultSet generatedKeys = pst.getGeneratedKeys()) {
if (generatedKeys.next()) {
int generatedId = generatedKeys.getInt(1);
System.out.println("Order saved with ID: " + generatedId);
return generatedId;
} else {
System.out.println("Creating order failed, no ID obtained.");
return -1;
}
}
} catch (SQLException e) {
System.out.println(e.getMessage());
}
return -1;
}
public List<Order> findByUserId(int userId) {
// TODO:
// Retrieve all orders of a user
String quary = "SELECT * FROM customer_orders WHERE user_id = ?";
List<Order> result = new ArrayList<>();
try (Connection c = DatabaseConnection.getConnection();
PreparedStatement pst = c.prepareStatement(quary)){
pst.setInt(1 , userId);
try (ResultSet rst = pst.executeQuery()){
while (rst.next()){
Order order = new Order(rst.getInt("id"),
rst.getInt("user_id") ,
rst.getTimestamp("time").toLocalDateTime(),
rst.getDouble("total_price"));
result.add(order);
}
}
} catch (SQLException e) {
System.out.println(e.getMessage());
}
return result;
return null;
}
}
src/main/java/dev/dao/OrderDetailDao.java
+53 -4
View File
@@ -1,22 +1,71 @@
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 quary = "INSERT INTO order_details (order_id, menu_item_id ,quantity , unit_price) VALUES (?, ?, ? ,?)";
try (Connection c = DatabaseConnection.getConnection();
PreparedStatement prst = c.prepareStatement(quary)){
prst.setInt(1, detail.getOrderId());
prst.setInt(2, detail.getMenuItemId());
prst.setInt(3, detail.getQuantity());
prst.setDouble(4 , detail.getPrice());
int i = prst.executeUpdate();
} catch (SQLException e) {
System.out.println(e.getMessage());
}
}
public List<OrderDetail> findByOrderId(int orderId) {
// TODO:
// Retrieve order details
List<OrderDetail> result = new ArrayList<>();
String query = "Select * From order_details WHERE order_id = ?";
try(Connection c = DatabaseConnection.getConnection();
PreparedStatement pst = c.prepareStatement(query)) {
pst.setInt(1 , orderId);
try(ResultSet rst = pst.executeQuery()){
while (rst.next()){
OrderDetail orderDetail = new OrderDetail(rst.getInt("id"),
rst.getInt("order_id"),
rst.getInt("menu_item_id"),
rst.getInt("quantity"),
rst.getDouble("unit_price"));
result.add(orderDetail);
}
}
return result;
}catch (SQLException e){
System.out.println(e.getMessage());
}
return null;
}
src/main/java/dev/model/Order.java
+30 -3
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@@ -5,11 +5,38 @@ import java.time.LocalDateTime;
public class Order {
private int id;
private int userId;
private LocalDateTime createdAt;
private double totalPrice;
public Order(int userId , LocalDateTime createdAt , double totalPrice){
this.userId = userId;
this.createdAt= createdAt;
this.totalPrice =totalPrice;
}
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 double getTotalPrice() {
return totalPrice;
}
public String getCreatedAt() {
return createdAt.toString();
}
public int getUserId() {
return userId;
}
}
src/main/java/dev/model/OrderDetail.java
+35 -4
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@@ -3,13 +3,44 @@ package dev.model;
public class OrderDetail {
private int id;
private int orderId;
private int menuItemId;
private int quantity;
private double price;
public OrderDetail(int orderId , int menuItemId , int quantity , double price){
this.orderId=orderId;
this.menuItemId=menuItemId;
this.quantity=quantity;
this.price = price;
}
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 int getOrderId() {
return orderId;
}
public int getMenuItemId() {
return menuItemId;
}
public int getQuantity() {
return quantity;
}
public double getPrice() {
return price;
}
}
src/main/java/dev/model/Resipt.java
+20
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@@ -0,0 +1,20 @@
package dev.model;
public class Resipt {
private MenuItem menuItem;
private int quantity;
public Resipt(MenuItem menuItem , int quantity){
this.menuItem=menuItem;
this.quantity=quantity;
}
public int getQuantity() {
return quantity;
}
public MenuItem getMenuItem() {
return menuItem;
}
}
src/main/java/dev/service/OrderService.java
+97 -6
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@@ -1,25 +1,116 @@
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 dev.model.Resipt;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class OrderService {
private final Scanner scanner = new Scanner(System.in);
private final MenuItemDao menuItemDao = new MenuItemDao();
private final OrderDao orderDao = new OrderDao();
private final OrderDetailDao orderDetailDao = new OrderDetailDao();
public void placeOrder(int userId) {
// TODO:
// Create order
List<Resipt> resipts = new ArrayList<>();
double totalPrice= 0.0;
while (true){
System.out.println("Enter the ID of the item to add (or 0 to finish):");
int chooseId = scanner.nextInt();
if (chooseId == 0) {
break;
}
MenuItem chosen = menuItemDao.findById(chooseId);
if (chosen == null) {
System.out.println("❌ Invalid food! Please try again.");
continue;
}
System.out.println("Enter quantity:");
int quantity = scanner.nextInt();
if (quantity <= 0) {
System.out.println("❌ Quantity must be greater than 0.");
continue;
}
resipts.add(new Resipt(chosen , quantity));
totalPrice += chosen.getPrice() * quantity;
System.out.println("ADD " + quantity + " " + chosen.getName());
}
LocalDateTime now = LocalDateTime.now();
Order order = new Order(userId , now , totalPrice);
int orderId = orderDao.save(order);
System.out.println("orderId: "+ orderId);
for (int i = 0; i < resipts.size() ; i++){
OrderDetail orderDetail = new OrderDetail(orderId ,
resipts.get(i).getMenuItem().getId()
,resipts.get(i).getQuantity()
,resipts.get(i).getMenuItem().getPrice());
orderDetailDao.save(orderDetail);
}
printReceipt(orderId);
}
public void printReceipt(int orderId) {
// TODO:
// Print order receipt
System.out.println("[Order Summary / Receipt]");
System.out.println("--------------------------------------------------");
System.out.println(" Item | Quantity | Unit | Total");
System.out.println("--------------------------------------------------");
double totalprice = 0.0;
List<OrderDetail> resipt = orderDetailDao.findByOrderId(orderId);
for(int i = 0 ; i< resipt.size() ; i++){
MenuItem menuItem = menuItemDao.findById(resipt.get(i).getMenuItemId());
System.out.printf("%-20s | %-10d | %-10.2f | %-10.2f" ,menuItem.getName()
,resipt.get(i).getQuantity() , menuItem.getPrice() , resipt.get(i).getQuantity()* menuItem.getPrice());
System.out.println();
totalprice += resipt.get(i).getQuantity()* menuItem.getPrice();
System.out.println("--------------------------------------------------");
}
System.out.println("Final price: " + totalprice );
}
public void showOrderHistory(int userId) {
// TODO:
// Display user's order history
List<Order> orders = orderDao.findByUserId(userId);
System.out.printf("%-10s | %-30s | %-10s%n", "Order Id", "Date & Time", "Total Price");
System.out.println("------------------------------------------------------------");
for (Order o : orders){
System.out.printf("%-10d | %-30s | $%-9.2f%n",
o.getId(),
o.getCreatedAt().toString(),
o.getTotalPrice());
}
}
src/main/java/dev/ui/ConsoleMenu.java
+20 -14
View File
@@ -3,6 +3,7 @@ package dev.ui;
import dev.model.User;
import dev.service.AuthService;
import dev.service.MenuService;
import dev.service.OrderService;
import java.util.Scanner;
@@ -11,6 +12,7 @@ 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 user;
@@ -93,22 +95,26 @@ public class ConsoleMenu {
case 1:
{
menuService.showMenu();
break;
}
case 2:
{
orderService.placeOrder(user.getId());
break;
}
case 3:
{
orderService.showOrderHistory(user.getId());
break;
}
case 4:
{
return;
}
default:{
break;
}
}