feat: 添加了列出点赞视频的功能

backend/internal/video/like_handler.go

@@ -89,3 +89,18 @@ func (lh *LikeHandler) IsLiked(c *gin.Context) {
 	}
 	c.JSON(200, gin.H{"is_liked": isLiked})
 }
+
+func (lh *LikeHandler) ListMyLikedVideos(c *gin.Context) {
+	accountID, err := middleware.GetAccountID(c)
+	if err != nil {
+		c.JSON(400, gin.H{"error": err.Error()})
+		return
+	}
+
+	videos, err := lh.service.ListLikedVideos(c.Request.Context(), accountID)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(200, videos)
+}

backend/internal/video/like_repo.go

@@ -54,3 +54,20 @@ func (r *LikeRepository) BatchGetLiked(ctx context.Context, videoIDs []uint, acc
 	}
 	return likeMap, nil
 }
+
+func (r *LikeRepository) ListLikedVideos(ctx context.Context, accountID uint) ([]Video, error) {
+	var videos []Video
+	if accountID == 0 {
+		return videos, nil
+	}
+	err := r.db.WithContext(ctx).
+		Model(&Video{}).
+		Joins("JOIN likes ON likes.video_id = videos.id").
+		Where("likes.account_id = ?", accountID).
+		Order("likes.created_at desc").
+		Find(&videos).Error
+	if err != nil {
+		return nil, err
+	}
+	return videos, nil
+}

backend/internal/video/like_service.go

@@ -64,3 +64,7 @@ func (s *LikeService) Unlike(ctx context.Context, like *Like) error {
 func (s *LikeService) IsLiked(ctx context.Context, videoID, accountID uint) (bool, error) {
 	return s.repo.IsLiked(ctx, videoID, accountID)
 }
+
+func (s *LikeService) ListLikedVideos(ctx context.Context, accountID uint) ([]Video, error) {
+	return s.repo.ListLikedVideos(ctx, accountID)
+}