Feat : 레시피 좋아요 싫어요

refrigerator/src/main/java/moja/refrigerator/aggregate/recipe/RecipeLikeDislike.java

@@ -0,0 +1,27 @@
+package moja.refrigerator.aggregate.recipe;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import moja.refrigerator.aggregate.user.User;
+
+@Entity
+@Table(name = "tbl_recipe_like_dislike")
+@Data
+public class RecipeLikeDislike {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "like_dislike_pk")
+    private Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "recipe_pk")
+    private Recipe recipe;
+
+    @ManyToOne
+    @JoinColumn(name = "user_pk")
+    private User user;
+
+    @Column(name = "like_status")
+    private Boolean likeStatus;
+}
+

refrigerator/src/main/java/moja/refrigerator/controller/recipe/RecipeController.java

@@ -2,8 +2,10 @@
 
 import moja.refrigerator.aggregate.recipe.Recipe;
 import moja.refrigerator.dto.recipe.request.RecipeCreateRequest;
+import moja.refrigerator.dto.recipe.request.RecipeLikeRequest;
 import moja.refrigerator.dto.recipe.request.RecipeUpdateRequest;
 import moja.refrigerator.dto.recipe.response.RecipeDetailResponse;
+import moja.refrigerator.dto.recipe.response.RecipeLikeResponse;
 import moja.refrigerator.dto.recipe.response.RecipeRecommendResponse;
 import moja.refrigerator.dto.recipe.response.RecipeResponse;
 import moja.refrigerator.service.recipe.RecipeService;
@@ -69,4 +71,12 @@ public ResponseEntity<RecipeRecommendResponse> getRandomRecipe() {
             return ResponseEntity.notFound().build();
         }
     }
+
+    @PostMapping("/reaction")
+    public ResponseEntity<RecipeLikeResponse> toggleLikeDislike(
+            @RequestBody RecipeLikeRequest request
+    ) {
+        return ResponseEntity.ok(recipeService.toggleLikeDislike(request));
+    }
+
 }

refrigerator/src/main/java/moja/refrigerator/dto/recipe/request/RecipeLikeRequest.java

@@ -0,0 +1,10 @@
+package moja.refrigerator.dto.recipe.request;
+
+import lombok.Data;
+
+@Data
+public class RecipeLikeRequest {
+    private Long recipePk;
+    private Long userPk;
+    private Boolean likeStatus;
+}

refrigerator/src/main/java/moja/refrigerator/dto/recipe/response/RecipeLikeResponse.java

@@ -0,0 +1,12 @@
+package moja.refrigerator.dto.recipe.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class RecipeLikeResponse {
+    private long likesCount;
+    private long dislikesCount;
+    private Boolean userReaction;
+}

refrigerator/src/main/java/moja/refrigerator/repository/recipe/RecipeLikeDislikeRepository.java

@@ -0,0 +1,14 @@
+package moja.refrigerator.repository.recipe;
+
+import moja.refrigerator.aggregate.recipe.Recipe;
+import moja.refrigerator.aggregate.recipe.RecipeLikeDislike;
+import moja.refrigerator.aggregate.user.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import java.util.Optional;
+
+@Repository
+public interface RecipeLikeDislikeRepository extends JpaRepository<RecipeLikeDislike, Long> {
+    Optional<RecipeLikeDislike> findByRecipeAndUser(Recipe recipe, User user);
+    long countByRecipeAndLikeStatus(Recipe recipe, Boolean likeStatus);
+}

refrigerator/src/main/java/moja/refrigerator/service/recipe/RecipeService.java

@@ -2,8 +2,10 @@
 
 import moja.refrigerator.aggregate.recipe.Recipe;
 import moja.refrigerator.dto.recipe.request.RecipeCreateRequest;
+import moja.refrigerator.dto.recipe.request.RecipeLikeRequest;
 import moja.refrigerator.dto.recipe.request.RecipeUpdateRequest;
 import moja.refrigerator.dto.recipe.response.RecipeDetailResponse;
+import moja.refrigerator.dto.recipe.response.RecipeLikeResponse;
 import moja.refrigerator.dto.recipe.response.RecipeRecommendResponse;
 import moja.refrigerator.dto.recipe.response.RecipeResponse;
 import moja.refrigerator.repository.recipe.RecipeRepository;
@@ -25,4 +27,5 @@ void updateRecipe(
     );
     List<RecipeRecommendResponse> getRecommendedRecipes(Long userPk);
     RecipeRecommendResponse getRandomRecipe();
+    RecipeLikeResponse toggleLikeDislike(RecipeLikeRequest request);
 }

refrigerator/src/main/java/moja/refrigerator/service/recipe/RecipeServiceImpl.java

@@ -8,11 +8,9 @@
 import moja.refrigerator.aggregate.user.User;
 import moja.refrigerator.dto.recipe.RecipeMatchResult;
 import moja.refrigerator.dto.recipe.request.RecipeCreateRequest;
+import moja.refrigerator.dto.recipe.request.RecipeLikeRequest;
 import moja.refrigerator.dto.recipe.request.RecipeUpdateRequest;
-import moja.refrigerator.dto.recipe.response.RecipeDetailResponse;
-import moja.refrigerator.dto.recipe.response.RecipeIngredientInfo;
-import moja.refrigerator.dto.recipe.response.RecipeRecommendResponse;
-import moja.refrigerator.dto.recipe.response.RecipeResponse;
+import moja.refrigerator.dto.recipe.response.*;
 import moja.refrigerator.repository.ingredient.IngredientMyRefrigeratorRepository;
 import moja.refrigerator.repository.recipe.*;
 import moja.refrigerator.repository.user.UserRepository;
@@ -43,6 +41,7 @@ public class RecipeServiceImpl implements RecipeService {
     private final IngredientMyRefrigeratorRepository ingredientMyRefrigeratorRepository;
     private final RecipeIngredientRepository recipeIngredientRepository;
     private final ReplacableIngredientRepository replacableIngredientRepository;
+    private final RecipeLikeDislikeRepository recipeLikeDislikeRepository;
 
     @Value("${cloud.aws.s3.bucket}")
     private String bucket;
@@ -58,7 +57,8 @@ public RecipeServiceImpl(
             AmazonS3Client amazonS3Client,
             IngredientMyRefrigeratorRepository ingredientMyRefrigeratorRepository,
             RecipeIngredientRepository recipeIngredientRepository,
-            ReplacableIngredientRepository replacableIngredientRepository
+            ReplacableIngredientRepository replacableIngredientRepository,
+            RecipeLikeDislikeRepository recipeLikeDislikeRepository
     ) {
         this.recipeRepository = recipeRepository;
         this.userRepository = userRepository;
@@ -70,8 +70,8 @@ public RecipeServiceImpl(
         this.ingredientMyRefrigeratorRepository = ingredientMyRefrigeratorRepository;
         this.recipeIngredientRepository = recipeIngredientRepository;
         this.replacableIngredientRepository = replacableIngredientRepository;
+        this.recipeLikeDislikeRepository = recipeLikeDislikeRepository;
     }
-
     private boolean isImageFile(String fileName) {
         String extension = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
         return List.of("jpg", "jpeg", "png", "gif").contains(extension);
@@ -348,4 +348,37 @@ public RecipeRecommendResponse getRandomRecipe() {
         return response;
     }
 
+    @Override
+    @Transactional
+    public RecipeLikeResponse toggleLikeDislike(RecipeLikeRequest request) {
+        Recipe recipe = recipeRepository.findById(request.getRecipePk())
+                .orElseThrow(() -> new IllegalArgumentException("레시피를 찾을 수 없습니다."));
+
+        User user = userRepository.findById(request.getUserPk())
+                .orElseThrow(() -> new IllegalArgumentException("사용자를 찾을 수 없습니다."));
+
+        Optional<RecipeLikeDislike> existing =
+                recipeLikeDislikeRepository.findByRecipeAndUser(recipe, user);
+
+        if (existing.isPresent()) {
+            if (existing.get().getLikeStatus() == request.getLikeStatus()) {
+                recipeLikeDislikeRepository.delete(existing.get());
+            } else {
+                existing.get().setLikeStatus(request.getLikeStatus());
+            }
+        } else {
+            RecipeLikeDislike newReaction = new RecipeLikeDislike();
+            newReaction.setRecipe(recipe);
+            newReaction.setUser(user);
+            newReaction.setLikeStatus(request.getLikeStatus());
+            recipeLikeDislikeRepository.save(newReaction);
+        }
+
+        // 현재 좋아요/싫어요 수 계산
+        long likes = recipeLikeDislikeRepository.countByRecipeAndLikeStatus(recipe, true);
+        long dislikes = recipeLikeDislikeRepository.countByRecipeAndLikeStatus(recipe, false);
+
+        return new RecipeLikeResponse(likes, dislikes, request.getLikeStatus());
+    }
+
 }