feature[#332]: 좋아요 알림 기능 구현

src/main/java/com/sillim/recordit/feed/service/FeedLikeService.java

@@ -6,6 +6,9 @@
 import com.sillim.recordit.feed.repository.FeedRepository;
 import com.sillim.recordit.global.exception.ErrorCode;
 import com.sillim.recordit.global.exception.common.RecordNotFoundException;
+import com.sillim.recordit.member.service.MemberQueryService;
+import com.sillim.recordit.pushalarm.dto.PushMessage;
+import com.sillim.recordit.pushalarm.service.AlarmService;
 import jakarta.persistence.OptimisticLockException;
 import lombok.RequiredArgsConstructor;
 import org.hibernate.StaleObjectStateException;
@@ -22,6 +25,8 @@ public class FeedLikeService {
 
 	private final FeedLikeRepository feedLikeRepository;
 	private final FeedRepository feedRepository;
+	private final AlarmService alarmService;
+	private final MemberQueryService memberQueryService;
 
 	@Retryable(
 			retryFor = {
@@ -38,6 +43,16 @@ public void feedLike(Long feedId, Long memberId) {
 						.orElseThrow(() -> new RecordNotFoundException(ErrorCode.FEED_NOT_FOUND));
 		feed.like();
 		feedLikeRepository.save(new FeedLike(feed, memberId));
+
+		if (!feed.isOwner(memberId)) {
+			alarmService.pushAlarm(
+					memberId,
+					feed.getMemberId(),
+					PushMessage.fromFeedLike(
+							feed.getId(),
+							memberQueryService.findByMemberId(memberId).getPersonalId(),
+							feed.getTitle()));
+		}
 	}
 
 	@Retryable(

src/main/java/com/sillim/recordit/pushalarm/dto/AlarmType.java

@@ -4,4 +4,5 @@ public enum AlarmType {
 	SCHEDULE,
 	INVITE,
 	FOLLOWING,
+	FEED_LIKE,
 }

src/main/java/com/sillim/recordit/pushalarm/dto/PushMessage.java

@@ -36,4 +36,14 @@ public static PushMessage fromAlarmLog(AlarmLog alarmLog) {
 				alarmLog.getTitle(),
 				alarmLog.getBody());
 	}
+
+	public static PushMessage fromFeedLike(
+			Long feedLikeId, String likerPersonalId, String feedTitle) {
+		return new PushMessage(
+				null,
+				AlarmType.FEED_LIKE,
+				feedLikeId,
+				likerPersonalId + "님이 " + feedTitle + " 피드에 좋아요를 눌렀습니다.",
+				"");
+	}
 }

src/test/java/com/sillim/recordit/feed/service/FeedLikeServiceTest.java

@@ -14,6 +14,7 @@
 import com.sillim.recordit.member.domain.Member;
 import com.sillim.recordit.member.fixture.MemberFixture;
 import com.sillim.recordit.member.service.MemberQueryService;
+import com.sillim.recordit.pushalarm.service.AlarmService;
 import java.util.Optional;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -28,6 +29,7 @@ class FeedLikeServiceTest {
 	@Mock FeedLikeRepository feedLikeRepository;
 	@Mock FeedRepository feedRepository;
 	@Mock MemberQueryService memberQueryService;
+	@Mock AlarmService alarmService;
 	@InjectMocks FeedLikeService feedLikeService;
 
 	@Test
@@ -37,7 +39,9 @@ void feedLike() {
 		long memberId = 1L;
 		Member member = MemberFixture.DEFAULT.getMember();
 		Feed feed = spy(FeedFixture.DEFAULT.getFeed(memberId));
+		FeedLike feedLike = mock(FeedLike.class);
 		given(feedRepository.findById(eq(feedId))).willReturn(Optional.of(feed));
+		given(feedLikeRepository.save(any())).willReturn(feedLike);
 
 		feedLikeService.feedLike(feedId, memberId);