feat(Delivery): add getDelviery

src/main/java/com/junhyeong/heroglass/controller/DeliveryController.java

@@ -0,0 +1,23 @@
+package com.junhyeong.heroglass.controller;
+
+import com.junhyeong.heroglass.domain.dto.response.DeliveryResponse;
+import com.junhyeong.heroglass.service.DeliveryService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/v1")
+@RequiredArgsConstructor
+public class DeliveryController {
+
+    private final DeliveryService deliveryService;
+
+    @GetMapping("/delivery/{id}")
+    public ResponseEntity<DeliveryResponse> getDelivery(@PathVariable("id") Long id) {
+        return ResponseEntity.ok(deliveryService.getDelivery(id));
+    }
+}

src/main/java/com/junhyeong/heroglass/domain/Address.java

@@ -1,7 +1,10 @@
 package com.junhyeong.heroglass.domain;
 
+import jakarta.annotation.Nullable;
 import jakarta.persistence.Embeddable;
 import lombok.Getter;
+import org.hibernate.annotations.ColumnDefault;
+import org.springframework.boot.context.properties.bind.DefaultValue;
 
 @Embeddable
 @Getter

src/main/java/com/junhyeong/heroglass/domain/Delivery.java

@@ -3,6 +3,7 @@
 import static jakarta.persistence.FetchType.LAZY;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.annotation.Nullable;
 import jakarta.persistence.Column;
 import jakarta.persistence.Embedded;
 import jakarta.persistence.Entity;
@@ -28,9 +29,13 @@ public class Delivery {
     @OneToOne(mappedBy = "delivery", fetch = LAZY)
     private Order order;
 
-    @Embedded
+    @Embeddedz
     private Address address;
 
+    public Address getAddress() {
+        return this.address == null ? new Address() : this.address;
+    }
+
     @Enumerated(EnumType.STRING)
     private DeliveryStatus status;
 

src/main/java/com/junhyeong/heroglass/domain/dto/response/DeliveryResponse.java

@@ -0,0 +1,7 @@
+package com.junhyeong.heroglass.domain.dto.response;
+
+import com.junhyeong.heroglass.domain.DeliveryStatus;
+import jakarta.annotation.Nullable;
+
+public record DeliveryResponse(String address, String detail, DeliveryStatus status) {
+}

src/main/java/com/junhyeong/heroglass/domain/dto/response/OrderResponse.java

@@ -1,5 +1,6 @@
 package com.junhyeong.heroglass.domain.dto.response;
 
+import com.junhyeong.heroglass.domain.Delivery;
 import java.util.List;
 
 public record OrderResponse(String orderUUID, List<OrderItemResponse> orderItems, int count, int price) {

src/main/java/com/junhyeong/heroglass/repository/DeliveryRepository.java

@@ -0,0 +1,8 @@
+package com.junhyeong.heroglass.repository;
+
+import com.junhyeong.heroglass.domain.Delivery;
+import com.junhyeong.heroglass.repository.querydsl.DeliveryRepositoryCustom;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface DeliveryRepository extends JpaRepository<Delivery, Long>, DeliveryRepositoryCustom {
+}

src/main/java/com/junhyeong/heroglass/repository/querydsl/DeliveryRepositoryCustom.java

@@ -0,0 +1,7 @@
+package com.junhyeong.heroglass.repository.querydsl;
+
+import com.junhyeong.heroglass.domain.Delivery;
+
+public interface DeliveryRepositoryCustom {
+    Delivery findDeliveryByOrderId(Long orderId);
+}

src/main/java/com/junhyeong/heroglass/repository/querydsl/impl/DeliveryRepositoryImpl.java

@@ -0,0 +1,25 @@
+package com.junhyeong.heroglass.repository.querydsl.impl;
+
+import com.junhyeong.heroglass.domain.Delivery;
+import com.junhyeong.heroglass.domain.QOrder;
+import com.junhyeong.heroglass.repository.querydsl.DeliveryRepositoryCustom;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class DeliveryRepositoryImpl implements DeliveryRepositoryCustom {
+    private final JPAQueryFactory queryFactory;
+
+    @Override
+    public Delivery findDeliveryByOrderId(Long orderId) {
+
+        return queryFactory.select(QOrder.order.delivery)
+                .from(QOrder.order)
+                .where(QOrder.order.id.eq(orderId))
+                .fetchOne();
+
+    }
+
+}

src/main/java/com/junhyeong/heroglass/service/DeliveryService.java

@@ -0,0 +1,25 @@
+package com.junhyeong.heroglass.service;
+
+import com.junhyeong.heroglass.domain.Delivery;
+import com.junhyeong.heroglass.domain.dto.response.DeliveryResponse;
+import com.junhyeong.heroglass.repository.DeliveryRepository;
+import com.junhyeong.heroglass.repository.OrderRepository;
+import jakarta.annotation.Nullable;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class DeliveryService {
+
+    private final DeliveryRepository deliveryRepository;
+
+    public DeliveryResponse getDelivery(Long id) {
+
+        Delivery delivery = deliveryRepository.findDeliveryByOrderId(id);
+        return new DeliveryResponse(
+                delivery.getAddress().getAddress(),
+                delivery.getAddress().getDetail(),
+                delivery.getStatus());
+    }
+}