🔀 :: (#114) 게시글 좋아요 api

src/main/java/com/example/moizaspringserver/domain/feed/entity/PublicFeed.java

@@ -49,4 +49,8 @@ public PublicFeed(String title, String content, Integer likeCount, Feed feed) {
         this.likeCount = likeCount;
         this.feed = feed;
     }
+
+    public void like() {
+        likeCount++;
+    }
 }

src/main/java/com/example/moizaspringserver/domain/feed/presenstation/FeedController.java

@@ -1,5 +1,6 @@
 package com.example.moizaspringserver.domain.feed.presenstation;
 
+import com.example.moizaspringserver.domain.feed.service.AddLikeService;
 import com.example.moizaspringserver.domain.feed.service.DeleteFeedService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
@@ -11,11 +12,18 @@
 public class FeedController {
 
     private final DeleteFeedService deleteFeedService;
+    private final AddLikeService addLikeService;
 
     @ResponseStatus(HttpStatus.NO_CONTENT)
     @DeleteMapping("/{feed-id}")
     public void deleteFeed(@PathVariable("feed-id") Integer feedId) {
         deleteFeedService.execute(feedId);
     }
 
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    @PostMapping("/{feed-id}/like")
+    public void like(@PathVariable("feed-id") Integer feedId) {
+        addLikeService.execute(feedId);
+    }
+
 }

src/main/java/com/example/moizaspringserver/domain/feed/service/AddLikeService.java

@@ -0,0 +1,42 @@
+package com.example.moizaspringserver.domain.feed.service;
+
+import com.example.moizaspringserver.domain.feed.entity.PublicFeed;
+import com.example.moizaspringserver.domain.feed.exception.FeedNotFoundException;
+import com.example.moizaspringserver.domain.feed.respository.PublicFeedRepository;
+import com.example.moizaspringserver.domain.like.entity.FeedLike;
+import com.example.moizaspringserver.domain.like.entity.FeedLikeId;
+import com.example.moizaspringserver.domain.like.repository.FeedLikeRepository;
+import com.example.moizaspringserver.domain.user.facade.UserFacade;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Service
+public class AddLikeService {
+
+	private final PublicFeedRepository publicFeedRepository;
+	private final UserFacade userFacade;
+	private final FeedLikeRepository feedLikeRepository;
+
+	@Transactional
+	public void execute(Integer feedId) {
+
+		PublicFeed feed = publicFeedRepository.findById(feedId)
+			.orElseThrow(() -> FeedNotFoundException.EXCEPTION);
+
+		feed.like();
+
+		FeedLike feedLike = FeedLike.builder()
+			.id(FeedLikeId.builder()
+				.user(
+					userFacade.queryCurrentUser()
+						.getId()
+				)
+				.feed(feed.getFeedId())
+				.build())
+			.build();
+
+		feedLikeRepository.save(feedLike);
+	}
+}

src/main/java/com/example/moizaspringserver/domain/like/entity/FeedLike.java

@@ -35,10 +35,7 @@ public class FeedLike extends BaseTimeEntity {
 	private Feed feed;
 
 	@Builder
-	public FeedLike(FeedLikeId id, User user,
-		Feed feed) {
+	public FeedLike(FeedLikeId id) {
 		this.id = id;
-		this.user = user;
-		this.feed = feed;
 	}
 }

src/main/java/com/example/moizaspringserver/global/security/SecurityConfig.java

@@ -63,6 +63,8 @@ protected void configure(HttpSecurity http) throws Exception {
 
                 // feeds
                 .antMatchers(HttpMethod.DELETE, "/feeds/{feed-id}").authenticated()
+                .antMatchers(HttpMethod.POST, "/feeds/{feed-id}/like").hasAnyAuthority(UserType.ROLE_STUDENT.name(), UserType.ROLE_GRADUATE
+            .name())
 
                 // notice
                 .antMatchers(HttpMethod.GET, "/notices/{notice-id}").authenticated()