Pete Matsyburka
54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module Templates
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module BuildPdfiumAnnotations
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URI_PREFIXES = %w[https:// http://].freeze
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LINKS_LIMIT = 250
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module_function
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def call(doc)
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annotations = []
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doc.page_count.times do |page_index|
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break if annotations.size >= LINKS_LIMIT
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next if doc.annot_count(page_index).zero?
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page = doc.get_page(page_index)
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geometry = { box: page.box, rotation: page.rotation }
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page.annotations.each do |annotation|
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next unless annotation.link? && annotation.rect?
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url = annotation.link.url
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next if url.blank? || URI_PREFIXES.none? { |prefix| url.start_with?(prefix) }
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annotations << build_external_link_hash(url, annotation, geometry).merge('page' => page_index)
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end
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end
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annotations
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rescue StandardError => e
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Rollbar.error(e) if defined?(Rollbar)
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raise if Rails.env.development?
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[]
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end
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def build_external_link_hash(url, area, geometry)
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x, y, w, h, page_width, page_height = Pdfium.transform_rect(area.bounds, **geometry)
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{
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'type' => 'external_link',
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'value' => url,
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'x' => x / page_width,
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'y' => y / page_height,
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'w' => w / page_width,
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'h' => h / page_height
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}
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end
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end
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end
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