refactor:修改了过去likecount的方式
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@@ -30,13 +30,19 @@ func (repo *FeedRepository) ListLatest(ctx context.Context, limit int, latestBef
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return videos, nil
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return videos, nil
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}
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}
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func (repo *FeedRepository) ListLikesCount(ctx context.Context, limit int, likesCountBefore int64) ([]video.Video, error) {
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func (repo *FeedRepository) ListLikesCountWithCursor(ctx context.Context, limit int, cursor *LikesCountCursor) ([]video.Video, error) {
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var videos []video.Video
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var videos []video.Video
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query := repo.db.WithContext(ctx).Model(&video.Video{}).
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query := repo.db.WithContext(ctx).Model(&video.Video{}).
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Order("likes_count DESC")
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Order("likes_count DESC, id DESC")
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if likesCountBefore > 0 {
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query = query.Where("likes_count < ?", likesCountBefore)
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if cursor != nil {
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query = query.Where(
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"(likes_count < ?) OR (likes_count = ? AND id < ?)",
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cursor.LikesCount,
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cursor.LikesCount, cursor.ID,
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)
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}
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}
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if err := query.Limit(limit).Find(&videos).Error; err != nil {
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if err := query.Limit(limit).Find(&videos).Error; err != nil {
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return nil, err
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return nil, err
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}
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}
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