58 lines
1.5 KiB
Crystal
58 lines
1.5 KiB
Crystal
struct HeaderData
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getter title : String
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getter subtitle : String?
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def initialize(@title : String, @subtitle : String?)
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end
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def first_content_paragraph_index : Int32
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if title.blank?
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0
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elsif subtitle.nil? || subtitle.blank?
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1
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else
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2
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end
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end
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end
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class PageConverter
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def convert(data : PostResponse::Data) : Page
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paragraphs = data.post.content.bodyModel.paragraphs
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author = data.post.creator.name
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created_at = Time.unix_ms(data.post.createdAt)
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header = header_data(paragraphs)
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if header.first_content_paragraph_index.zero?
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content = [] of PostResponse::Paragraph
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else
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content = paragraphs[header.first_content_paragraph_index..]
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end
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Page.new(
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title: header.title,
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subtitle: header.subtitle,
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author: author,
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created_at: Time.unix_ms(data.post.createdAt),
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nodes: ParagraphConverter.new.convert(content)
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)
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end
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def header_data(paragraphs : Array(PostResponse::Paragraph)) : HeaderData
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if paragraphs.empty?
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return HeaderData.new("", nil)
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end
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first_two_paragraphs = paragraphs.first(2)
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first_two_types = first_two_paragraphs.map(&.type)
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if first_two_types == [PostResponse::ParagraphType::H3, PostResponse::ParagraphType::H4]
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HeaderData.new(
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title: first_two_paragraphs[0].text,
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subtitle: first_two_paragraphs[1].text,
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)
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else
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HeaderData.new(
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title: first_two_paragraphs[0].text,
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subtitle: nil,
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)
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end
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end
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end
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