1

src/main/java/com/example/scbaby/Bean/BabyBean/GetParentsBean.java

@@ -0,0 +1,25 @@
+package com.example.scbaby.Bean.BabyBean;
+
+import com.example.scbaby.Model.DAO.BabyDAO;
+import com.example.scbaby.Model.DAO.UserDAO;
+import com.example.scbaby.Model.DTO.User.Res.UserGetRes;
+import com.example.scbaby.Repository.BabyRepository;
+import com.example.scbaby.Repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Component
+@RequiredArgsConstructor
+public class GetParentsBean {
+    private final BabyRepository babyRepository;
+    private final UserRepository userRepository;
+
+    public List<UserGetRes> exec(Long babyId) {
+        BabyDAO babyDAO = babyRepository.findById(babyId).get();
+        List<UserDAO> userDAOList = userRepository.findByBaby(babyDAO);
+        return userDAOList.stream().map(UserGetRes::of).collect(Collectors.toList());
+    }
+}

src/main/java/com/example/scbaby/Controller/BabyController.java

@@ -4,13 +4,15 @@
 import com.example.scbaby.Model.DTO.Baby.Req.BabyUpdateReq;
 import com.example.scbaby.Model.DTO.Baby.Res.BabyGetRes;
 import com.example.scbaby.Model.DTO.StateRes;
+import com.example.scbaby.Model.DTO.User.Res.UserGetRes;
 import com.example.scbaby.Service.BabyService;
 import io.swagger.v3.oas.annotations.Operation;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
+import java.util.List;
 
 @RestController
 @RequiredArgsConstructor
@@ -35,4 +37,10 @@ public BabyGetRes getBaby(@PathVariable Long babyId) {
     public StateRes updateBaby(@PathVariable Long babyId, @RequestBody BabyUpdateReq babyUpdateReq) throws IOException {
         return babyService.updateBaby(babyId, babyUpdateReq);
     }
+
+    @Operation(summary = "BabyId로 공동양육자 조회")
+    @GetMapping("/baby/{babyId}/parents")
+    public List<UserGetRes> getParents(@PathVariable Long babyId) {
+        return babyService.getParents(babyId);
+    }
 }

src/main/java/com/example/scbaby/Repository/UserRepository.java

@@ -1,10 +1,14 @@
 package com.example.scbaby.Repository;
 
+import com.example.scbaby.Model.DAO.BabyDAO;
 import com.example.scbaby.Model.DAO.UserDAO;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface UserRepository extends JpaRepository<UserDAO, String>{
 
+    List<UserDAO> findByBaby(BabyDAO babyDAO);
 }

src/main/java/com/example/scbaby/Service/BabyService.java

@@ -3,23 +3,27 @@
 import com.example.scbaby.Bean.BabyBean.BabyGetBean;
 import com.example.scbaby.Bean.BabyBean.BabyRegistBean;
 import com.example.scbaby.Bean.BabyBean.BabyUpdateBean;
+import com.example.scbaby.Bean.BabyBean.GetParentsBean;
 import com.example.scbaby.Model.DTO.Baby.Req.BabyRegistReq;
 import com.example.scbaby.Model.DTO.Baby.Req.BabyUpdateReq;
 import com.example.scbaby.Model.DTO.Baby.Res.BabyGetRes;
 import com.example.scbaby.Model.DTO.StateRes;
+import com.example.scbaby.Model.DTO.User.Res.UserGetRes;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
+import java.util.List;
 
 @Service
 @RequiredArgsConstructor
 public class BabyService {
     private final BabyRegistBean babyRegistBean;
     private final BabyGetBean babyGetBean;
     private final BabyUpdateBean babyUpdateBean;
+    private final GetParentsBean getParentsBean;
 
     @Transactional
     public StateRes registerBaby(BabyRegistReq babyRegistReq) throws IOException {
@@ -35,4 +39,9 @@ public BabyGetRes getBaby(Long babyId) {
     public StateRes updateBaby(Long babyId, BabyUpdateReq babyUpdateReq) throws IOException {
         return babyUpdateBean.exec(babyId, babyUpdateReq);
     }
+
+    @Transactional(readOnly = true)
+    public List<UserGetRes> getParents(Long babyId) {
+        return getParentsBean.exec(babyId);
+    }
 }