diff options
Diffstat (limited to 'app/models/trends/links.rb')
-rw-r--r-- | app/models/trends/links.rb | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/app/models/trends/links.rb b/app/models/trends/links.rb index a0d65138b..62308e706 100644 --- a/app/models/trends/links.rb +++ b/app/models/trends/links.rb @@ -4,8 +4,8 @@ class Trends::Links < Trends::Base PREFIX = 'trending_links' self.default_options = { - threshold: 15, - review_threshold: 10, + threshold: 5, + review_threshold: 3, max_score_cooldown: 2.days.freeze, max_score_halflife: 8.hours.freeze, } @@ -27,12 +27,6 @@ class Trends::Links < Trends::Base record_used_id(preview_card.id, at_time) end - def get(allowed, limit) - preview_card_ids = currently_trending_ids(allowed, limit) - preview_cards = PreviewCard.where(id: preview_card_ids).index_by(&:id) - preview_card_ids.map { |id| preview_cards[id] }.compact - end - def refresh(at_time = Time.now.utc) preview_cards = PreviewCard.where(id: (recently_used_ids(at_time) + currently_trending_ids(false, -1)).uniq) calculate_scores(preview_cards, at_time) @@ -42,7 +36,7 @@ class Trends::Links < Trends::Base def request_review preview_cards = PreviewCard.where(id: currently_trending_ids(false, -1)) - preview_cards_requiring_review = preview_cards.filter_map do |preview_card| + preview_cards.filter_map do |preview_card| next unless would_be_trending?(preview_card.id) && !preview_card.trendable? && preview_card.requires_review_notification? if preview_card.provider.nil? @@ -53,12 +47,6 @@ class Trends::Links < Trends::Base preview_card end - - return if preview_cards_requiring_review.empty? - - User.staff.includes(:account).find_each do |user| - AdminMailer.new_trending_links(user.account, preview_cards_requiring_review).deliver_later! if user.allows_trending_tag_emails? - end end protected @@ -67,6 +55,10 @@ class Trends::Links < Trends::Base PREFIX end + def klass + PreviewCard + end + private def calculate_scores(preview_cards, at_time) @@ -96,17 +88,27 @@ class Trends::Links < Trends::Base decaying_score = max_score * (0.5**((at_time.to_f - max_time.to_f) / options[:max_score_halflife].to_f)) - if decaying_score.zero? - redis.zrem("#{PREFIX}:all", preview_card.id) - redis.zrem("#{PREFIX}:allowed", preview_card.id) - else - redis.zadd("#{PREFIX}:all", decaying_score, preview_card.id) + add_to_and_remove_from_subsets(preview_card.id, decaying_score, { + all: true, + allowed: preview_card.trendable?, + }) - if preview_card.trendable? - redis.zadd("#{PREFIX}:allowed", decaying_score, preview_card.id) - else - redis.zrem("#{PREFIX}:allowed", preview_card.id) - end + next unless valid_locale?(preview_card.language) + + add_to_and_remove_from_subsets(preview_card.id, decaying_score, { + "all:#{preview_card.language}" => true, + "allowed:#{preview_card.language}" => preview_card.trendable?, + }) + end + + # Clean up localized sets by calculating the intersection with the main + # set. We do this instead of just deleting the localized sets to avoid + # having moments where the API returns empty results + + redis.pipelined do + Trends.available_locales.each do |locale| + redis.zinterstore("#{key_prefix}:all:#{locale}", ["#{key_prefix}:all:#{locale}", "#{key_prefix}:all"], aggregate: 'max') + redis.zinterstore("#{key_prefix}:allowed:#{locale}", ["#{key_prefix}:allowed:#{locale}", "#{key_prefix}:all"], aggregate: 'max') end end end |