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Add language match as possible feed lever (#20211)

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Ben Halpern 2023-10-03 09:51:57 +07:00 • committed by GitHub
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app/models/articles/feeds.rb
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@ -355,6 +355,18 @@ module Articles
user_required: false,
select_fragment: "articles.score",
group_by_fragment: "articles.score")
relevancy_lever(:language_match,
label: "Weight to give based on whether the language matches any of the user's languages",
range: "[0..1]", # 0 for no match, 1 for match
user_required: true,
select_fragment: "CASE
WHEN COUNT(user_languages.language) = 0 THEN 0
WHEN articles.language = ANY(array_agg(user_languages.language)) THEN 1
ELSE 0
END",
joins_fragments: ["LEFT OUTER JOIN user_languages
ON user_languages.user_id = :user_id"],
group_by_fragment: "articles.language")
end
private_constant :LEVER_CATALOG
# rubocop:enable Metrics/BlockLength