47 lines
2 KiB
Ruby
47 lines
2 KiB
Ruby
class BlackBox
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class << self
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def article_hotness_score(article, function_caller = FunctionCaller)
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usable_date = article.crossposted_at || article.published_at
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reaction_points = article.score
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super_super_recent_bonus = usable_date > 1.hour.ago ? 28 : 0
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super_recent_bonus = usable_date > 8.hours.ago ? 81 : 0
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recency_bonus = usable_date > 12.hours.ago ? 280 : 0
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today_bonus = usable_date > 26.hours.ago ? 795 : 0
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two_day_bonus = usable_date > 48.hours.ago ? 830 : 0
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four_day_bonus = usable_date > 96.hours.ago ? 930 : 0
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if usable_date < 4.days.ago
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reaction_points /= 2 # Older posts should fade
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end
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if article.decorate.cached_tag_list_array.include?("watercooler")
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reaction_points = (reaction_points * 0.8).to_i # watercooler posts shouldn't get as much love in feed
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end
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function_caller.call("blackbox-production-articleHotness",
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{ article: article, user: article.user }.to_json).to_i +
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reaction_points + recency_bonus + super_recent_bonus + super_super_recent_bonus + today_bonus + two_day_bonus + four_day_bonus
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end
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def comment_quality_score(comment)
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descendants_points = (comment.descendants.size / 2)
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rep_points = comment.reactions.sum(:points)
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bonus_points = calculate_bonus_score(comment.body_markdown)
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spaminess_rating = calculate_spaminess(comment)
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(rep_points + descendants_points + bonus_points - spaminess_rating).to_i
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end
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def calculate_spaminess(story, function_caller = FunctionCaller)
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# accepts comment or article as story
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return 100 unless story.user
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function_caller.call("blackbox-production-spamScore",
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{ story: story, user: story.user }.to_json).to_i
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end
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private
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def calculate_bonus_score(body_markdown)
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size_bonus = body_markdown.size > 200 ? 2 : 0
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code_bonus = body_markdown.include?("`") ? 1 : 0
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size_bonus + code_bonus
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end
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end
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end
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