(Superseded) How can a topic be considered `Top`?

trandatnh · April 22, 2015, 6:05am

Topic Superseded by: How are "Top" Topics Calculated?

I can see from our Top menu:

the topic “Less Frequent…” is 1st
the topic “Should be…” is 3rd

While 3rd topic has more replies and views and same last activity.

The only different I can find is the creation day of 3rd topic is much older than 1st topic. Could anyone explain me how do we calculate the “hot” or “top” score of a topic?

The source code that determines top scores for topics starts here:

github.com

discourse/discourse/blob/ee36382640560191a8a43e87b607ef00051e019b/app/models/top_topic.rb#L143


      
                     FROM posts
                     WHERE created_at >= :from
                       AND post_number = 1
                       AND deleted_at IS NULL
                       AND NOT hidden
                       AND post_type = #{Post.types[:regular]}"
          
            update_top_topics(period, "op_likes", sql)
          end
          
          def self.compute_top_score_for(period)
          
            log_views_multiplier = SiteSetting.top_topics_formula_log_views_multiplier.to_f
            log_views_multiplier = 2 if log_views_multiplier == 0
          
            first_post_likes_multiplier = SiteSetting.top_topics_formula_first_post_likes_multiplier.to_f
            first_post_likes_multiplier = 0.5 if first_post_likes_multiplier == 0
          
            least_likes_per_post_multiplier = SiteSetting.top_topics_formula_least_likes_per_post_multiplier.to_f
            least_likes_per_post_multiplier = 3 if least_likes_per_post_multiplier == 0

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(Superseded) How can a topic be considered `Top`?

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