diff options
Diffstat (limited to 'app/models')
| -rw-r--r-- | app/models/trending_tags.rb | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/app/models/trending_tags.rb b/app/models/trending_tags.rb index 287de2a8a..c3641d7fd 100644 --- a/app/models/trending_tags.rb +++ b/app/models/trending_tags.rb @@ -1,9 +1,7 @@ # frozen_string_literal: true class TrendingTags - KEY = 'trending_tags' EXPIRE_HISTORY_AFTER = 7.days.seconds - THRESHOLD = 5 class << self def record_use!(tag, account, at_time = Time.now.utc) @@ -11,30 +9,10 @@ class TrendingTags increment_historical_use!(tag.id, at_time) increment_unique_use!(tag.id, account.id, at_time) - increment_vote!(tag.id, at_time) - end - - def get(limit) - tag_ids = redis.zrevrange(KEY, 0, limit).map(&:to_i) - tags = Tag.where(id: tag_ids).to_a.map { |tag| [tag.id, tag] }.to_h - tag_ids.map { |tag_id| tags[tag_id] }.compact end private - def increment_vote!(tag_id, at_time) - expected = redis.pfcount("activity:tags:#{tag_id}:#{(at_time - 1.day).beginning_of_day.to_i}:accounts").to_f - expected = 1.0 if expected.zero? - observed = redis.pfcount("activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}:accounts").to_f - - if expected > observed || observed < THRESHOLD - redis.zrem(KEY, tag_id.to_s) - else - score = ((observed - expected)**2) / expected - redis.zadd(KEY, score, tag_id.to_s) - end - end - def increment_historical_use!(tag_id, at_time) key = "activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}" redis.incrby(key, 1) |