67 行
1.6 KiB
Ruby
67 行
1.6 KiB
Ruby
# frozen_string_literal: true
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module PostRepr
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BASE_FIELDS = [
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:id,
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:version_no,
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:url,
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:title,
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:thumbnail_base,
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:original_created_from,
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:original_created_before,
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:created_at,
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:updated_at
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].freeze
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module_function
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def base post, current_user = nil
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json = common(post)
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json['tags'] = tag_json(post.tags)
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json['uploaded_user'] = post.uploaded_user && UserRepr.base(post.uploaded_user)
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json['viewed'] = current_user ? current_user.viewed?(post) : false
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json
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end
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def detail post, current_user = nil, parent_posts: [], child_posts: [],
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sibling_posts: { }, related: []
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base(post, current_user).merge(
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'parent_posts' => cards(parent_posts),
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'child_posts' => cards(child_posts),
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'sibling_posts' => sibling_posts.transform_keys(&:to_s).transform_values { |posts|
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cards(posts)
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},
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'related' => cards(related))
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end
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def card post
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common(post).merge('parent_posts' => [], 'child_posts' => [])
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end
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def cards posts
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posts.map { |post| card(post) }
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end
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def many posts, current_user = nil
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posts.map { |p| base(p, current_user) }
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end
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def common post
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BASE_FIELDS.to_h { |field| [field.to_s, post.public_send(field)] }
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.merge('thumbnail' => thumbnail_url(post))
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end
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def tag_json tags
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tags.map { |tag| TagRepr.inline(tag) }
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end
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def thumbnail_url post
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return nil unless post.thumbnail.attached?
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Rails.application.routes.url_helpers.rails_blob_url(post.thumbnail, only_path: false)
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rescue
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nil
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end
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end
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