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Proposals hot_score

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kikito
2015-09-14 20:37:32 +02:00
parent 47c95078f2
commit 8f8afdfd62
3 changed files with 107 additions and 7 deletions
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12
lib/score_calculator.rb
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@@ -4,16 +4,16 @@ module ScoreCalculator
COMMENT_WEIGHT = 1.0/20 # 1 positive vote / x comments
TIME_UNIT = 12.hours.to_f
def self.hot_score(date, votes_total, votes_up, comments_count)
total = votes_total + COMMENT_WEIGHT * comments_count
ups = votes_up + COMMENT_WEIGHT * comments_count
def self.hot_score(date, votes_total, votes_up, comments_count)
total = (votes_total + COMMENT_WEIGHT * comments_count).to_f
ups = (votes_up + COMMENT_WEIGHT * comments_count).to_f
downs = total - ups
score = ups - downs
order = Math.log([score.abs, 1].max, 10)
sign = (score <=> 0).to_f
offset = Math.log([score.abs, 1].max, 10) * (ups / [total, 1].max)
sign = score <=> 0
seconds = ((date || Time.now) - EPOC).to_f
(((order * sign) + (seconds/TIME_UNIT)) * 10000000).round
(((offset * sign) + (seconds/TIME_UNIT)) * 10000000).round
end
def self.confidence_score(votes_total, votes_up)