feat: view liked

sgdevcamp2023 · Feb 22, 2024 · 1f42625 · 1f42625
1 parent 4bdc926
commit 1f42625
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Showing 3 changed files with 59 additions and 12 deletions.
diff --git a/...rvice/src/main/java/org/palette/easeltimelineservice/service/FollowerPaintMapService.java b/...rvice/src/main/java/org/palette/easeltimelineservice/service/FollowerPaintMapService.java
@@ -6,8 +6,10 @@
 import org.springframework.stereotype.Service;
 
 import java.time.Duration;
+import java.util.HashMap;
 import java.util.List;
-import java.util.Optional;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 import static org.palette.easeltimelineservice.service.RedisKeyConstants.FOLLOWER_PAINT_TIMELINE_PREFIX;
 
@@ -20,18 +22,35 @@ public class FollowerPaintMapService {
  public void addPaintToFollowersTimeline(List<Long> followerIds, Long paintId) {
  followerIds.forEach(userId -> {
  final String key = RedisKeyUtil.constructKey(FOLLOWER_PAINT_TIMELINE_PREFIX.getKey(), userId);
- redistemplate.opsForList()
- .leftPush(key, paintId.toString());
+ Map<String, String> paintData = new HashMap<>();
+ paintData.put(String.valueOf(paintId), String.valueOf(false));
+ redistemplate.opsForHash().putAll(key, paintData);
  redistemplate.expire(key, Duration.ofDays(5));
  });
  }
 
  public List<Long> getFollowingTimelinePaintIds(final Long userId) {
  final String key = RedisKeyUtil.constructKey(FOLLOWER_PAINT_TIMELINE_PREFIX.getKey(), userId);
- return Optional.ofNullable(redistemplate.opsForList().range(key, 0, -1))
- .orElse(List.of())
- .stream()
- .map(Long::parseLong)
- .toList();
+ Map<Object, Object> entries = redistemplate.opsForHash().entries(key);
+ return entries.keySet().stream()
+ .map(paintId -> Long.parseLong((String) paintId))
+ .collect(Collectors.toList());
+ }
+
+ public void like(final Long userId, final Long paintId) {
+ final String key = RedisKeyUtil.constructKey(FOLLOWER_PAINT_TIMELINE_PREFIX.getKey(), userId);
+ redistemplate.opsForHash().put(key, paintId.toString(), String.valueOf(true));
+ }
+
+ public void unlike(final Long userId, final Long paintId) {
+ final String key = RedisKeyUtil.constructKey(FOLLOWER_PAINT_TIMELINE_PREFIX.getKey(), userId);
+ redistemplate.opsForHash().put(key, paintId.toString(), String.valueOf(false));
+ }
+
+ public boolean isLiked(final Long userId, final Long paintId) {
+ final String key = RedisKeyUtil.constructKey(FOLLOWER_PAINT_TIMELINE_PREFIX.getKey(), userId);
+ String isLiked = (String) redistemplate.opsForHash().get(key, paintId.toString());
+ System.out.println("isLiked: " + isLiked);
+ return Boolean.parseBoolean(isLiked);
  }
 }
diff --git a/...imeline-service/src/main/java/org/palette/easeltimelineservice/service/PaintResponse.java b/...imeline-service/src/main/java/org/palette/easeltimelineservice/service/PaintResponse.java
@@ -50,7 +50,31 @@ public static PaintResponse from(Paint paint) {
  );
  }
 
- public static PaintResponse of(Paint paint, PaintMetrics metrics) {
+// public static PaintResponse of(Paint paint, PaintMetrics metrics) {
+// return new PaintResponse(
+// paint.getId(),
+// paint.getIsReply(),
+// paint.getAuthorId(),
+// paint.getAuthorUsername(),
+// paint.getAuthorNickname(),
+// paint.getAuthorImagePath(),
+// paint.getAuthorStatus(),
+// Optional.ofNullable(paint.getQuotePaint()).map(PaintResponse::from).orElse(null),
+// paint.getCreatedAt(),
+// paint.getText(),
+// metrics.replyCount(),
+// metrics.repaintCount(),
+// metrics.likeCount(),
+// false,
+// false,
+// false,
+// metrics.viewCount(),
+// new Entities(paint.getHashtagRecords(), paint.getMentionRecords()),
+// new Includes(paint.getMediaRecords(), paint.getMentionRecords(), paint.getLinkRecord())
+// );
+// }
+
+ public static PaintResponse of(Paint paint, PaintMetrics metrics, boolean isLiked) {
  return new PaintResponse(
  paint.getId(),
  paint.getIsReply(),
@@ -65,7 +89,7 @@ public static PaintResponse of(Paint paint, PaintMetrics metrics) {
  metrics.replyCount(),
  metrics.repaintCount(),
  metrics.likeCount(),
- false,
+ isLiked,
  false,
  false,
  metrics.viewCount(),

diff --git a/...eline-service/src/main/java/org/palette/easeltimelineservice/usecase/TimelineUsecase.java b/...eline-service/src/main/java/org/palette/easeltimelineservice/usecase/TimelineUsecase.java
@@ -37,16 +37,19 @@ public List<PaintResponse> getFollowingTimeline(final Long userId) {
  final List<Paint> paints = paintCacheService.getPaints(paintIds);
  return paints.stream().map(paint -> {
  PaintMetrics metrics = paintMetricsService.getPaintMetrics(paint.getId());
- return PaintResponse.of(paint, metrics);
+ final boolean liked = followerPaintMapService.isLiked(userId, paint.getId());
+ return PaintResponse.of(paint, metrics, liked);
  }
  ).toList();
  }
 
  public void handleLikedPaintEvent(final LikedPaintEvent likedPaintEvent) {
+ followerPaintMapService.like(likedPaintEvent.likingUserId(), likedPaintEvent.paintId());
  paintMetricsService.incrementLikeCount(likedPaintEvent.paintId());
  }
 
  public void handleUnlikedPaintEvent(final UnlikedPaintEvent unlikedPaintEvent) {
+ followerPaintMapService.unlike(unlikedPaintEvent.unlikingUserId(), unlikedPaintEvent.paintId());
  paintMetricsService.decrementLikeCount(unlikedPaintEvent.paintId());
  }
 
@@ -61,7 +64,8 @@ public List<PaintResponse> getForYouTimeline(final Long userId) {
 
  return filteredPaints.stream().map(paint -> {
  PaintMetrics metrics = paintMetricsService.getPaintMetrics(paint.getId());
- return PaintResponse.of(paint, metrics);
+ final boolean liked = followerPaintMapService.isLiked(userId, paint.getId());
+ return PaintResponse.of(paint, metrics, liked);
  }
  ).toList();
  }