Feat: 주문 정보 전체 조회(#15)

close: #15

src/main/java/com/hanaro/starbucks/controller/OrderController.java

@@ -0,0 +1,24 @@
+package com.hanaro.starbucks.controller;
+
+import com.hanaro.starbucks.dto.orders.OrderResDto;
+import com.hanaro.starbucks.service.OrderService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/orders")
+public class OrderController {
+    private final OrderService orderService;
+
+    @GetMapping("")
+    public List<OrderResDto> getOrders() {
+        return orderService.getOrders();
+    }
+
+
+}

src/main/java/com/hanaro/starbucks/dto/orders/OrderResDto.java

@@ -0,0 +1,22 @@
+package com.hanaro.starbucks.dto.orders;
+
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.time.LocalDate;
+
+
+@Builder
+@Getter
+public class OrderResDto {
+    private int orderIdx;
+
+    private String orderId;
+    private Integer totalPrice;
+
+    private String orderStatus;
+
+    private LocalDate orderDate;
+
+}

src/main/java/com/hanaro/starbucks/entity/OrderDetail.java

@@ -1,9 +1,11 @@
 package com.hanaro.starbucks.entity;
 
 import jakarta.persistence.*;
+import lombok.Getter;
 import org.hibernate.annotations.ColumnDefault;
 
 @Entity
+@Getter
 @Table(name = "order_detail")
 public class OrderDetail {
 

src/main/java/com/hanaro/starbucks/entity/Orders.java

@@ -1,11 +1,13 @@
 package com.hanaro.starbucks.entity;
 
 import jakarta.persistence.*;
+import lombok.Getter;
 
-import java.time.LocalDateTime;
+import java.time.LocalDate;
 import java.util.List;
 
 @Entity
+@Getter
 @Table(name = "orders")
 public class Orders {
 
@@ -21,7 +23,7 @@ public class Orders {
     private String orderStatus;
 
     @Column(name = "order_date")
-    private LocalDateTime orderDate;
+    private LocalDate orderDate;
 
     @ManyToOne
     @JoinColumn(name = "user_idx")

src/main/java/com/hanaro/starbucks/repository/OrderDetailRepository.java

@@ -0,0 +1,13 @@
+package com.hanaro.starbucks.repository;
+
+import com.hanaro.starbucks.entity.OrderDetail;
+import com.hanaro.starbucks.entity.Orders;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface OrderDetailRepository extends JpaRepository<OrderDetail, Integer> {
+    List<OrderDetail> findAllByOrders(Orders orders);
+}

src/main/java/com/hanaro/starbucks/repository/OrderRepository.java

@@ -0,0 +1,9 @@
+package com.hanaro.starbucks.repository;
+
+import com.hanaro.starbucks.entity.Orders;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface OrderRepository extends JpaRepository<Orders, Integer> {
+}

src/main/java/com/hanaro/starbucks/service/OrderService.java

@@ -0,0 +1,53 @@
+package com.hanaro.starbucks.service;
+
+import com.hanaro.starbucks.dto.orders.OrderResDto;
+import com.hanaro.starbucks.entity.OrderDetail;
+import com.hanaro.starbucks.entity.Orders;
+import com.hanaro.starbucks.repository.OrderDetailRepository;
+import com.hanaro.starbucks.repository.OrderRepository;
+import com.hanaro.starbucks.util.Constant;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class OrderService {
+    private final OrderRepository orderRepository;
+    private final OrderDetailRepository orderDetailRepository;
+
+    public List<OrderResDto> getOrders() {
+        List<Orders> orders = orderRepository.findAll();
+        List<OrderResDto> orderResDtos = orders.stream()
+                .map(order -> {
+                    List<OrderDetail> orderDetails = orderDetailRepository.findAllByOrders(order);
+                    int totalPrice = calculateTotalPrice(orderDetails);
+                    return OrderResDto.builder()
+                            .orderIdx(order.getOrderIdx())
+                            .orderId(order.getOrderId())
+                            .totalPrice(totalPrice)
+                            .orderStatus(order.getOrderStatus())
+                            .orderDate(order.getOrderDate())
+                            .build();
+                })
+                .collect(Collectors.toList());
+        return orderResDtos;
+    }
+
+    private int calculateTotalPrice(List<OrderDetail> orderDetails) {
+        int totalPrice = 0;
+        for (OrderDetail orderDetail : orderDetails) {
+            int menuPrice = orderDetail.getMenu().getMenuPrice();
+            if (orderDetail.getMenuSize().equals(Constant.GRANDE_SIZE)) {
+                menuPrice += Constant.GRANDE;
+            } else if (orderDetail.getMenuSize().equals(Constant.VENTI_SIZE)) {
+                menuPrice += Constant.VENTI;
+            }
+            totalPrice += menuPrice * orderDetail.getOrderDetailCount();
+        }
+        return totalPrice;
+    }
+}

src/main/java/com/hanaro/starbucks/util/Constant.java

@@ -0,0 +1,9 @@
+package com.hanaro.starbucks.util;
+
+public class Constant {
+    public static final String GRANDE_SIZE="grande";
+    public static final String VENTI_SIZE="venti";
+    public static final int GRANDE = 500;
+    public static final int VENTI = 1000;
+
+}