2018-05-27 19:45:30 +00:00
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# frozen_string_literal: true
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class TrendingTags
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EXPIRE_HISTORY_AFTER = 7.days.seconds
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class << self
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def record_use!(tag, account, at_time = Time.now.utc)
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2018-06-01 17:19:44 +00:00
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return if disallowed_hashtags.include?(tag.name) || account.silenced? || account.bot?
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2018-05-27 19:45:30 +00:00
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increment_historical_use!(tag.id, at_time)
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increment_unique_use!(tag.id, account.id, at_time)
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end
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private
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def increment_historical_use!(tag_id, at_time)
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key = "activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}"
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redis.incrby(key, 1)
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redis.expire(key, EXPIRE_HISTORY_AFTER)
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end
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def increment_unique_use!(tag_id, account_id, at_time)
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key = "activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}:accounts"
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redis.pfadd(key, account_id)
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redis.expire(key, EXPIRE_HISTORY_AFTER)
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end
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def disallowed_hashtags
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return @disallowed_hashtags if defined?(@disallowed_hashtags)
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@disallowed_hashtags = Setting.disallowed_hashtags.nil? ? [] : Setting.disallowed_hashtags
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@disallowed_hashtags = @disallowed_hashtags.split(' ') if @disallowed_hashtags.is_a? String
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@disallowed_hashtags = @disallowed_hashtags.map(&:downcase)
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end
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def redis
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Redis.current
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end
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end
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end
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