From b79cc396b7512b7342fab64fbcaef4f244b80ca8 Mon Sep 17 00:00:00 2001
From: 5jisoo <56earls@gmail.com>
Date: Thu, 10 Aug 2023 01:48:20 +0900
Subject: [PATCH] #7 feat: like story

---
 .../story/controller/StoryController.java     | 12 ++++++++
 .../com/umc/place/story/entity/StoryLike.java |  3 +-
 .../story/repository/StoryLikeRepository.java |  3 ++
 .../umc/place/story/service/StoryService.java | 30 +++++++++++++++++++
 4 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/place/src/main/java/com/umc/place/story/controller/StoryController.java b/place/src/main/java/com/umc/place/story/controller/StoryController.java
index c01a137..f338edd 100644
--- a/place/src/main/java/com/umc/place/story/controller/StoryController.java
+++ b/place/src/main/java/com/umc/place/story/controller/StoryController.java
@@ -13,6 +13,7 @@
 import org.springframework.web.bind.annotation.*;
 
 import static com.umc.place.common.BaseResponseStatus.NULL_STORY;
+import static com.umc.place.common.BaseResponseStatus.SUCCESS;
 
 @RestController
 @RequiredArgsConstructor
@@ -52,6 +53,17 @@ public BaseResponse<CommentUploadResDto> uploadStoryComment(@PathVariable Long s
         }
     }
 
+    @PostMapping("/{storyIdx}/like")
+    public BaseResponse<Void> likeStory(@PathVariable Long storyIdx,
+                                        @RequestParam Long userIdx) {
+        try {
+            storyService.likeStory(storyIdx, userIdx);
+            return new BaseResponse<>(SUCCESS);
+        } catch (BaseException e) {
+            return new BaseResponse<>(e.getStatus());
+        }
+    }
+
     @GetMapping("/uploadView")
     public BaseResponse<StoryUploadResponseDto> getStoryUploadView(@RequestParam Long userId) {
         try {
diff --git a/place/src/main/java/com/umc/place/story/entity/StoryLike.java b/place/src/main/java/com/umc/place/story/entity/StoryLike.java
index 34722b8..e7ae2d1 100644
--- a/place/src/main/java/com/umc/place/story/entity/StoryLike.java
+++ b/place/src/main/java/com/umc/place/story/entity/StoryLike.java
@@ -30,8 +30,7 @@ public class StoryLike extends BaseEntity {
     private Story story;
 
     @Builder
-    public StoryLike(Long storyLikeIdx, User user, Story story) {
-        this.storyLikeIdx = storyLikeIdx;
+    public StoryLike(User user, Story story) {
         this.user = user;
         this.story = story;
         this.story.getLikes().add(this); // 양방향 연관관계 메서드
diff --git a/place/src/main/java/com/umc/place/story/repository/StoryLikeRepository.java b/place/src/main/java/com/umc/place/story/repository/StoryLikeRepository.java
index 8c52fc3..07e5fb2 100644
--- a/place/src/main/java/com/umc/place/story/repository/StoryLikeRepository.java
+++ b/place/src/main/java/com/umc/place/story/repository/StoryLikeRepository.java
@@ -11,5 +11,8 @@
 @Repository
 public interface StoryLikeRepository extends JpaRepository<StoryLike, Long> {
     Boolean existsByUserAndStory(User user, Story story);
+
+    StoryLike findByUserAndStory(User user, Story story);
+
     List<StoryLike> findByUser(User user);
 }
diff --git a/place/src/main/java/com/umc/place/story/service/StoryService.java b/place/src/main/java/com/umc/place/story/service/StoryService.java
index 112d9eb..57f6972 100644
--- a/place/src/main/java/com/umc/place/story/service/StoryService.java
+++ b/place/src/main/java/com/umc/place/story/service/StoryService.java
@@ -10,6 +10,7 @@
 import com.umc.place.story.dto.StoryUploadResponseDto;
 import com.umc.place.story.entity.Story;
 import com.umc.place.story.entity.StoryHistory;
+import com.umc.place.story.entity.StoryLike;
 import com.umc.place.story.repository.StoryHistoryRepository;
 import com.umc.place.story.repository.StoryLikeRepository;
 import com.umc.place.story.repository.StoryRepository;
@@ -25,6 +26,8 @@
 import java.util.stream.Collectors;
 
 import static com.umc.place.common.BaseResponseStatus.*;
+import static com.umc.place.common.Constant.ACTIVE;
+import static com.umc.place.common.Constant.INACTIVE;
 
 @Service
 @RequiredArgsConstructor
@@ -137,4 +140,31 @@ public StoryUploadResponseDto getStoryView(Long userId) throws BaseException {
             throw new BaseException(DATABASE_ERROR);
         }
     }
+
+    @Transactional
+    public void likeStory(Long storyIdx, Long userIdx) throws BaseException {
+        try {
+            User user = userRepository.findById(userIdx).orElseThrow(() -> new BaseException(INVALID_USER_IDX));
+            Story story = storyRepository.findById(storyIdx).orElseThrow(() -> new BaseException(INVALID_STORY_IDX));
+
+            StoryLike storyLike = storyLikeRepository.findByUserAndStory(user, story);
+            if (storyLike == null) {
+                StoryLike newLike = StoryLike.builder()
+                        .user(user)
+                        .story(story)
+                        .build();
+                storyLikeRepository.save(newLike);
+            } else {
+                if (storyLike.getStatus().equals(ACTIVE)) {
+                    storyLike.setStatus(INACTIVE);
+                } else {
+                    storyLike.getStatus().equals(ACTIVE);
+                }
+            }
+        } catch (BaseException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new BaseException(DATABASE_ERROR);
+        }
+    }
 }