feat: 좋아요 연관 관계 매핑 및 좋아요한 메뉴 조회

src/main/java/com/wap/cano_be/controller/LikeController.java

@@ -0,0 +1,41 @@
+package com.wap.cano_be.controller;
+
+import com.wap.cano_be.domain.PrincipalDetail;
+import com.wap.cano_be.service.impl.LikeService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api")
+public class LikeController {
+    private final LikeService likeService;
+
+    public LikeController(LikeService likeService) {
+        this.likeService = likeService;
+    }
+
+    // 좋아요 등록
+    @PostMapping("/{menu_id}/like")
+    public ResponseEntity<?> like(
+            @PathVariable("menu_id") long menuId,
+            @AuthenticationPrincipal PrincipalDetail principalDetail){
+        return likeService.insert(principalDetail.getMember().getId(), menuId);
+    }
+
+    // [TEST] 좋아요 한 메뉴 조회
+    @GetMapping("/likes/me")
+    public ResponseEntity<?> getLikes(
+            @AuthenticationPrincipal PrincipalDetail principalDetail
+    ) {
+        return likeService.getLikedMenus(principalDetail.getMember().getId());
+    }
+
+    // 좋아요 취소
+    @DeleteMapping("/{menu_id}/like")
+    public ResponseEntity<?> unlike(
+            @PathVariable("menu_id") long menuId,
+            @AuthenticationPrincipal PrincipalDetail principalDetail){
+        return likeService.delete(principalDetail.getMember().getId(), menuId);
+    }
+}

src/main/java/com/wap/cano_be/controller/MenuController.java

@@ -128,20 +128,4 @@ public ResponseEntity<?> reportMenu(@RequestBody MenuReportDto menuReportDto){
         log.info("menuReportDto: {}", menuReportDto);
         return getSuccessResponse();
     }
-
-    // 좋아요 등록
-    @PostMapping("/{menu_id}/like")
-    public ResponseEntity<?> like(
-            @PathVariable("menu_id") long menuId,
-            @AuthenticationPrincipal PrincipalDetail principalDetail){
-        return likeService.insert(principalDetail.getMember().getId(), menuId);
-    }
-
-    // 좋아요 취소
-    @DeleteMapping("/{menu_id}/like")
-    public ResponseEntity<?> unlike(
-            @PathVariable("menu_id") long menuId,
-            @AuthenticationPrincipal PrincipalDetail principalDetail){
-        return likeService.delete(principalDetail.getMember().getId(), menuId);
-    }
 }

src/main/java/com/wap/cano_be/domain/Like.java

@@ -2,8 +2,10 @@
 
 import jakarta.persistence.*;
 import lombok.Builder;
+import lombok.Getter;
 
 @Entity
+@Getter
 @Table(name = "menu_like")
 public class Like {
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/com/wap/cano_be/domain/Member.java

@@ -6,6 +6,9 @@
 import jakarta.persistence.*;
 import lombok.*;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Entity
 @Getter
 @Setter
@@ -32,4 +35,6 @@ public class Member {
     private MemberRole role;
     @Enumerated(EnumType.STRING)
     private Gender gender;
+    @OneToMany(mappedBy = "member", cascade = CascadeType.REMOVE, orphanRemoval = true)
+    private List<Like> likes = new ArrayList<>();
 }

src/main/java/com/wap/cano_be/service/impl/LikeService.java

@@ -12,6 +12,9 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+import java.util.stream.Collectors;
+
 @Service
 @Transactional
 public class LikeService {
@@ -58,4 +61,13 @@ public ResponseEntity<?> delete(long memberId, long menuId){
         return ResponseEntity.status(HttpStatus.CONFLICT).build();
     }
 
+    // [TEST] 좋아요한 메뉴 찾기
+    public ResponseEntity<List<Menu>> getLikedMenus(long memberId){
+        Member member = memberRepository.findById(memberId).orElseThrow(()->new IllegalArgumentException("Member not found"));
+        return ResponseEntity.ok().body(
+                member.getLikes().stream()
+                .map(Like::getMenu)
+                .collect(Collectors.toList()));
+    }
+
 }