From 6297acbd5bc1bc1420eba3fb7d1b1d56b4605bec Mon Sep 17 00:00:00 2001
From: Josh Puetz <hi@joshpuetz.com>
Date: Fri, 19 Aug 2022 11:06:13 -0400
Subject: [PATCH] Added relevancy lever based on comments scores of an article
 (#18352)

---
 app/models/articles/feeds.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/app/models/articles/feeds.rb b/app/models/articles/feeds.rb
index bb6cc793c..722b2439f 100644
--- a/app/models/articles/feeds.rb
+++ b/app/models/articles/feeds.rb
@@ -139,6 +139,20 @@ module Articles
                       select_fragment: "articles.comments_count",
                       group_by_fragment: "articles.comments_count")
 
+      relevancy_lever(:comments_score,
+                      label: "Weight given based on sum of comment scores of an article.",
+                      range: "[0..∞)",
+                      user_required: false,
+                      select_fragment: "SUM(
+                        CASE
+                          WHEN comments.score is null then 0
+                          ELSE comments.score
+                        END)",
+                      joins_fragments: ["LEFT OUTER JOIN comments
+                        ON comments.commentable_id = articles.id
+                          AND comments.commentable_type = 'Article'
+                          AND comments.deleted = false"])
+
       relevancy_lever(:daily_decay,
                       label: "Weight given based on the relative age of the article",
                       range: "[0..∞)",
@@ -311,6 +325,7 @@ module Articles
                         very_positive_reaction_threshold
                         positive_reaction_threshold
                       ])
+
       relevancy_lever(:public_reactions,
                       label: "Weight to give for the number of unicorn, heart, reading list reactions for article.",
                       range: "[0..∞)",