stable version with fixed checkstyle

fedorovychh · Jan 3, 2024 · 1ac826f · 1ac826f
1 parent 52067ee
commit 1ac826f
Show file tree

Hide file tree

Showing 3 changed files with 57 additions and 6 deletions.
diff --git a/src/main/java/com/app/bookstore/controller/OrderController.java b/src/main/java/com/app/bookstore/controller/OrderController.java
@@ -32,8 +32,12 @@ public class OrderController {
     @PreAuthorize("hasRole('ROLE_USER')")
     @PostMapping
     @Operation(summary = "Place order", description = "Place order")
-    public OrderResponseDto placeOrder(@RequestBody OrderRequestDto requestDto) {
-        return orderService.placeOrder(requestDto);
+    public OrderResponseDto placeOrder(
+            Authentication authentication,
+            @RequestBody OrderRequestDto requestDto
+    ) {
+        User user = (User) authentication.getPrincipal();
+        return orderService.placeOrder(user, requestDto);
     }
 
     @PreAuthorize("hasRole('ROLE_USER')")

diff --git a/src/main/java/com/app/bookstore/service/order/OrderService.java b/src/main/java/com/app/bookstore/service/order/OrderService.java
@@ -3,10 +3,11 @@
 import com.app.bookstore.dto.order.OrderRequestDto;
 import com.app.bookstore.dto.order.OrderResponseDto;
 import com.app.bookstore.dto.order.UpdateOrderRequestDto;
+import com.app.bookstore.model.User;
 import java.util.List;
 
 public interface OrderService {
-    OrderResponseDto placeOrder(OrderRequestDto requestDto);
+    OrderResponseDto placeOrder(User user, OrderRequestDto requestDto);
 
     List<OrderResponseDto> getAll(Long id);
 

diff --git a/src/main/java/com/app/bookstore/service/order/OrderServiceImpl.java b/src/main/java/com/app/bookstore/service/order/OrderServiceImpl.java
@@ -5,9 +5,18 @@
 import com.app.bookstore.dto.order.UpdateOrderRequestDto;
 import com.app.bookstore.exception.EntityNotFoundException;
 import com.app.bookstore.mapper.OrderMapper;
+import com.app.bookstore.model.CartItem;
 import com.app.bookstore.model.Order;
+import com.app.bookstore.model.OrderItem;
+import com.app.bookstore.model.ShoppingCart;
+import com.app.bookstore.model.User;
 import com.app.bookstore.repository.order.OrderRepository;
+import com.app.bookstore.repository.shopping.cart.ShoppingCartRepository;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -16,11 +25,13 @@
 public class OrderServiceImpl implements OrderService {
     private final OrderRepository orderRepository;
     private final OrderMapper orderMapper;
+    private final ShoppingCartRepository shoppingCartRepository;
 
     @Override
-    public OrderResponseDto placeOrder(OrderRequestDto requestDto) {
-        Order order = orderMapper.toOrder(requestDto);
-        return orderMapper.toDto(orderRepository.save(order));
+    public OrderResponseDto placeOrder(User user, OrderRequestDto requestDto) {
+        Order order = createOrder(user, requestDto);
+        Order savedOrder = orderRepository.save(order);
+        return orderMapper.toDto(savedOrder);
     }
 
     @Override
@@ -39,4 +50,39 @@ public OrderResponseDto updateStatus(Long id, UpdateOrderRequestDto requestDto)
         order.setStatus(requestDto.getStatus());
         return orderMapper.toDto(orderRepository.save(order));
     }
+
+    private Order createOrder(User user, OrderRequestDto requestDto) {
+        Order order = new Order();
+        order.setUser(user);
+        order.setStatus(Order.Status.PROCESSING);
+        order.setShippingAddress(requestDto.getShippingAddress());
+        Set<OrderItem> orderItems = getOrderItems(user);
+        order.setOrderItemSet(orderItems);
+        order.setTotal(
+                orderItems.stream()
+                .map(oi -> oi.getPrice().multiply(BigDecimal.valueOf(oi.getQuantity())))
+                .reduce(BigDecimal.ZERO, BigDecimal::add)
+        );
+        order.setOrderDate(LocalDateTime.now());
+        return order;
+    }
+
+    private Set<OrderItem> getOrderItems(User user) {
+        ShoppingCart shoppingCart = shoppingCartRepository.findByUserId(user.getId()).orElseThrow(
+                () -> new EntityNotFoundException("Can't find cart by user id: " + user.getId())
+        );
+        Set<CartItem> cartItems = shoppingCart.getCartItems();
+        return cartItems.stream()
+                .map(this::convertToOrderItem)
+                .collect(Collectors.toSet());
+
+    }
+
+    private OrderItem convertToOrderItem(CartItem cartItem) {
+        OrderItem orderItem = new OrderItem();
+        orderItem.setBook(cartItem.getBook());
+        orderItem.setQuantity(cartItem.getQuantity());
+        orderItem.setPrice(cartItem.getBook().getPrice());
+        return orderItem;
+    }
 }