first attempt

src/main/java/mate/academy/Main.java

@@ -2,16 +2,29 @@
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.util.List;
+import mate.academy.exception.RegistrationException;
+import mate.academy.lib.Injector;
 import mate.academy.model.CinemaHall;
 import mate.academy.model.Movie;
 import mate.academy.model.MovieSession;
+import mate.academy.model.Order;
+import mate.academy.model.ShoppingCart;
+import mate.academy.model.User;
+import mate.academy.security.AuthenticationService;
 import mate.academy.service.CinemaHallService;
 import mate.academy.service.MovieService;
 import mate.academy.service.MovieSessionService;
+import mate.academy.service.OrderService;
+import mate.academy.service.ShoppingCartService;
 
 public class Main {
+    private static final Injector injector = Injector.getInstance("mate.academy");
+
     public static void main(String[] args) {
-        MovieService movieService = null;
+
+        final MovieService movieService =
+                (MovieService) injector.getInstance(MovieService.class);
 
         Movie fastAndFurious = new Movie("Fast and Furious");
         fastAndFurious.setDescription("An action film about street racing, heists, and spies.");
@@ -27,7 +40,8 @@ public static void main(String[] args) {
         secondCinemaHall.setCapacity(200);
         secondCinemaHall.setDescription("second hall with capacity 200");
 
-        CinemaHallService cinemaHallService = null;
+        final CinemaHallService cinemaHallService =
+                (CinemaHallService) injector.getInstance(CinemaHallService.class);
         cinemaHallService.add(firstCinemaHall);
         cinemaHallService.add(secondCinemaHall);
 
@@ -44,12 +58,40 @@ public static void main(String[] args) {
         yesterdayMovieSession.setMovie(fastAndFurious);
         yesterdayMovieSession.setShowTime(LocalDateTime.now().minusDays(1L));
 
-        MovieSessionService movieSessionService = null;
+        final MovieSessionService movieSessionService =
+                (MovieSessionService) injector.getInstance(MovieSessionService.class);
         movieSessionService.add(tomorrowMovieSession);
         movieSessionService.add(yesterdayMovieSession);
 
         System.out.println(movieSessionService.get(yesterdayMovieSession.getId()));
         System.out.println(movieSessionService.findAvailableSessions(
                         fastAndFurious.getId(), LocalDate.now()));
+
+        final AuthenticationService authenticationService =
+                (AuthenticationService) injector.getInstance(AuthenticationService.class);
+
+        User mateUser = null;
+        try {
+            mateUser = authenticationService.register("mate.academy@gmail.com", "mate");
+        } catch (RegistrationException e) {
+            throw new RuntimeException("Registration failed", e);
+        }
+        System.out.println(mateUser);
+
+        final ShoppingCartService shoppingCartService =
+                (ShoppingCartService) injector.getInstance(ShoppingCartService.class);
+
+        shoppingCartService.addSession(tomorrowMovieSession, mateUser);
+        ShoppingCart usersShoppingCart = shoppingCartService.getByUser(mateUser);
+        System.out.println(usersShoppingCart);
+
+        final OrderService orderService =
+                (OrderService) injector.getInstance(OrderService.class);
+
+        Order order = orderService.completeOrder(usersShoppingCart);
+        System.out.println(order);
+
+        List<Order> ordersHistory = orderService.getOrdersHistory(mateUser);
+        System.out.println(ordersHistory);
     }
 }

src/main/java/mate/academy/dao/OrderDao.java

@@ -0,0 +1,11 @@
+package mate.academy.dao;
+
+import java.util.List;
+import mate.academy.model.Order;
+import mate.academy.model.User;
+
+public interface OrderDao {
+    Order add(Order order);
+
+    List<Order> getByUser(User user);
+}

src/main/java/mate/academy/dao/impl/OrderDaoImpl.java

@@ -0,0 +1,54 @@
+package mate.academy.dao.impl;
+
+import java.util.List;
+import mate.academy.dao.OrderDao;
+import mate.academy.exception.DataProcessingException;
+import mate.academy.lib.Dao;
+import mate.academy.model.Order;
+import mate.academy.model.User;
+import mate.academy.util.HibernateUtil;
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.hibernate.query.Query;
+
+@Dao
+public class OrderDaoImpl implements OrderDao {
+    @Override
+    public Order add(Order order) {
+        Transaction transaction = null;
+        Session session = null;
+        try {
+            session = HibernateUtil.getSessionFactory().openSession();
+            transaction = session.beginTransaction();
+            session.persist(order);
+            transaction.commit();
+            return order;
+        } catch (Exception e) {
+            if (transaction != null) {
+                transaction.rollback();
+            }
+            throw new DataProcessingException("Error adding order: " + order, e);
+        } finally {
+            if (session != null) {
+                session.close();
+            }
+        }
+    }
+
+    @Override
+    public List<Order> getByUser(User user) {
+        try (Session session = HibernateUtil.getSessionFactory().openSession()) {
+            Query<Order> query = session.createQuery("FROM Order o "
+                    + "LEFT JOIN FETCH o.tickets t "
+                    + "LEFT JOIN FETCH t.movieSession ms "
+                    + "LEFT JOIN FETCH ms.movie "
+                    + "LEFT JOIN FETCH ms.cinemaHall "
+                    + "WHERE o.user =:user", Order.class);
+            query.setParameter("user", user);
+            return query.getResultList();
+        } catch (Exception e) {
+            throw new DataProcessingException("Error retrieving orders from"
+                    + "database for user: " + user, e);
+        }
+    }
+}

src/main/java/mate/academy/dao/impl/ShoppingCartDaoImpl.java

@@ -44,8 +44,10 @@ public ShoppingCart getByUser(User user) {
                     + "LEFT JOIN FETCH t.movieSession ms "
                     + "LEFT JOIN FETCH ms.movie "
                     + "LEFT JOIN FETCH ms.cinemaHall "
-                    + "WHERE sc.user =:user", ShoppingCart.class);
-            query.setParameter("user", user);
+                    + "LEFT JOIN FETCH t.user "
+                    + "LEFT JOIN FETCH sc.user u "
+                    + "WHERE u.id =:userID", ShoppingCart.class);
+            query.setParameter("userID", user.getId());
             return query.uniqueResult();
         } catch (Exception e) {
             throw new DataProcessingException("Can't find a shopping cart by user: " + user, e);

src/main/java/mate/academy/model/Order.java

@@ -0,0 +1,74 @@
+package mate.academy.model;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.JoinTable;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Entity
+@Table (name = "orders")
+public class Order {
+    @Id
+    @GeneratedValue (strategy = GenerationType.IDENTITY)
+    private Long id;
+    @OneToMany
+    @JoinTable(name = "order_tickets",
+            joinColumns = @JoinColumn(name = "order_id"),
+            inverseJoinColumns = @JoinColumn(name = "ticket_id"))
+    private List<Ticket> tickets;
+    @Column (name = "order_date")
+    private LocalDateTime orderDate;
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public List<Ticket> getTickets() {
+        return tickets;
+    }
+
+    public void setTickets(List<Ticket> tickets) {
+        this.tickets = tickets;
+    }
+
+    public LocalDateTime getOrderDate() {
+        return orderDate;
+    }
+
+    public void setOrderDate(LocalDateTime orderDate) {
+        this.orderDate = orderDate;
+    }
+
+    public User getUser() {
+        return user;
+    }
+
+    public void setUser(User user) {
+        this.user = user;
+    }
+
+    @Override
+    public String toString() {
+        return "Order{"
+                + "id=" + id
+                + ", tickets=" + tickets
+                + ", orderDate=" + orderDate
+                + ", user=" + user
+                + '}';
+    }
+}

src/main/java/mate/academy/model/ShoppingCart.java

@@ -1,6 +1,7 @@
 package mate.academy.model;
 
 import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
 import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.JoinTable;
@@ -20,9 +21,9 @@ public class ShoppingCart {
             joinColumns = @JoinColumn(name = "shopping_cart_id"),
             inverseJoinColumns = @JoinColumn(name = "ticket_id"))
     private List<Ticket> tickets;
-    @OneToOne
+    @OneToOne (fetch = FetchType.LAZY)
     @MapsId
-    @JoinColumn(name = "id")
+    @JoinColumn(name = "user_id")
     private User user;
 
     public Long getId() {

src/main/java/mate/academy/service/OrderService.java

@@ -0,0 +1,12 @@
+package mate.academy.service;
+
+import java.util.List;
+import mate.academy.model.Order;
+import mate.academy.model.ShoppingCart;
+import mate.academy.model.User;
+
+public interface OrderService {
+    Order completeOrder(ShoppingCart shoppingCart);
+
+    List<Order> getOrdersHistory(User user);
+}

src/main/java/mate/academy/service/impl/OrderServiceImpl.java

@@ -0,0 +1,36 @@
+package mate.academy.service.impl;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import mate.academy.dao.OrderDao;
+import mate.academy.lib.Inject;
+import mate.academy.lib.Service;
+import mate.academy.model.Order;
+import mate.academy.model.ShoppingCart;
+import mate.academy.model.User;
+import mate.academy.service.OrderService;
+
+@Service
+public class OrderServiceImpl implements OrderService {
+    @Inject
+    private OrderDao orderDao;
+
+    @Override
+    public Order completeOrder(ShoppingCart shoppingCart) {
+        Order order = createOrder(shoppingCart);
+        return orderDao.add(order);
+    }
+
+    @Override
+    public List<Order> getOrdersHistory(User user) {
+        return orderDao.getByUser(user);
+    }
+
+    private Order createOrder(ShoppingCart shoppingCart) {
+        Order order = new Order();
+        order.setUser(shoppingCart.getUser());
+        order.setTickets(shoppingCart.getTickets());
+        order.setOrderDate(LocalDateTime.now());
+        return order;
+    }
+}

src/main/resources/hibernate.cfg.xml

@@ -0,0 +1,19 @@
+<hibernate-configuration>
+    <session-factory>
+        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
+        <property name="connection.url">jdbc:mysql://localhost:3306/cinema?serverTimezone=UTC</property>
+        <property name="connection.driver_class">com.mysql.cj.jdbc.Driver</property>
+        <property name="connection.username">root</property>
+        <property name="connection.password">Styczen10!</property>
+        <property name="show_sql">true</property>
+        <property name="hbm2ddl.auto">create-drop</property>
+
+        <mapping class="mate.academy.model.Movie"/>
+        <mapping class="mate.academy.model.MovieSession"/>
+        <mapping class="mate.academy.model.CinemaHall"/>
+        <mapping class="mate.academy.model.User"/>
+        <mapping class="mate.academy.model.ShoppingCart"/>
+        <mapping class="mate.academy.model.Ticket"/>
+        <mapping class="mate.academy.model.Order"/>
+    </session-factory>
+</hibernate-configuration>