d227e1d285
* Try suppressing all negative-follow tags * userData isn't always available * Bolster test coverage for tag filter scenarios * Antitags for the non-basic 'strategy' * Rename antitags -> hidden_tags * Rename 'anti_tags' -> 'hidden_tags' as well * Use userData.followed_tags to derive hidden_tags
52 lines
2 KiB
Ruby
52 lines
2 KiB
Ruby
module Articles
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module Feeds
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class Basic
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def initialize(user: nil, number_of_articles: Article::DEFAULT_FEED_PAGINATION_WINDOW_SIZE, page: 1, tag: nil)
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@user = user
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@number_of_articles = number_of_articles
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@page = page
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@tag = tag
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@article_score_applicator = Articles::Feeds::ArticleScoreCalculatorForUser.new(user: @user)
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end
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def default_home_feed(**_kwargs)
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articles = Article.published
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.order(hotness_score: :desc)
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.with_at_least_home_feed_minimum_score
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.limit(@number_of_articles)
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.limited_column_select.includes(top_comments: :user)
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.includes(:distinct_reaction_categories)
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return articles unless @user
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articles = articles.where.not(user_id: UserBlock.cached_blocked_ids_for_blocker(@user.id))
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if (hidden_tags = @user.cached_antifollowed_tag_names).any?
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articles = articles.not_cached_tagged_with_any(hidden_tags)
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end
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articles.sort_by.with_index do |article, index|
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tag_score = score_followed_tags(article)
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user_score = score_followed_user(article)
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org_score = score_followed_organization(article)
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# NOTE: Not quite understanding the purpose of the `-
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# index`. My guess is that it helps reduce the impact of the
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# hotness score on the sort order.
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tag_score + org_score + user_score - index
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end.reverse!
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end
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# Alias :feed to preserve past implementations, but favoring a
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# convergence of interface implementations.
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alias feed default_home_feed
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# Creating :more_comments_minimal_weight_randomized to conform
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# to the public interface of
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# Articles::Feeds::LargeForemExperimental
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alias more_comments_minimal_weight_randomized default_home_feed
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delegate(:score_followed_tags,
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:score_followed_user,
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:score_followed_organization,
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to: :@article_score_applicator)
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end
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end
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end
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