51316c747f
* Move calculating comments score from worker to a service * Display displayed comments count in feed * Recalculating displayed comments counts on article show (if needed) * Rubocop fixes * Fixed lambda
62 lines
2 KiB
Ruby
62 lines
2 KiB
Ruby
module Homepage
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class ArticleSerializer < ApplicationSerializer
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# @param relation [ActiveRecord::Relation<Article>]
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#
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# @return [Hash]
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def self.serialized_collection_from(relation:)
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# Unfortunately the FlareTag class sends one SQL query per each article,
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# as we want to optimize by loading them in one query, we're using a different class
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tag_flares = Homepage::FetchTagFlares.call(relation)
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# including user and organization as the last step as they are not needed
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# by the query that fetches tag flares, they are only needed by the serializer
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relation = relation.includes(:user, :organization)
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new(relation, params: { tag_flares: tag_flares }, is_collection: true)
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.serializable_hash[:data]
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.pluck(:attributes)
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end
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attributes(
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:class_name,
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:cloudinary_video_url,
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:id,
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:path,
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:public_reactions_count,
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:readable_publish_date,
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:reading_time,
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:title,
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:user_id,
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:public_reaction_categories,
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)
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# return displayed_comments_count (excluding low score comments) if it was calculated earlier
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attribute :comments_count, (lambda do |article|
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article.displayed_comments_count? ? article.displayed_comments_count : article.comments_count
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end)
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attribute :video_duration_string, &:video_duration_in_minutes
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attribute :published_at_int, ->(article) { article.published_at.to_i }
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attribute :tag_list, ->(article) { article.cached_tag_list.to_s.split(", ") }
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attribute :flare_tag, ->(article, params) { params.dig(:tag_flares, article.id) }
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attribute :user do |article|
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user = article.user
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{
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name: user.name,
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profile_image_90: user.profile_image_90,
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username: user.username
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}
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end
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attribute :organization, if: proc { |a| a.organization.present? } do |article|
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organization = article.organization
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{
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name: organization.name,
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profile_image_90: article.organization.profile_image_90,
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slug: organization.slug
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}
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end
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end
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end
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