Class: Pocketbook::BookRenderer::Pdf

Inherits:
Object
  • Object
show all
Defined in:
lib/pocketbook/book_renderer/pdf.rb

Instance Method Summary collapse

Instance Method Details

#toc_page_numbers(pdf_path:, toc_targets:) ⇒ Object 



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# File 'lib/pocketbook/book_renderer/pdf.rb', line 27

def toc_page_numbers(pdf_path:, toc_targets:)
  return {} if toc_targets.empty?

  pdf_document_for(pdf_path).toc_page_numbers(toc_targets)
rescue StandardError
  {}
end

#write(html:, output_path:) ⇒ Object 



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# File 'lib/pocketbook/book_renderer/pdf.rb', line 8

def write(html:, output_path:)
  Dir.mktmpdir("pocketbook") do |dir|
    html_path = File.join(dir, "book.html")
    File.write(html_path, html)

    browser = Ferrum::Browser.new(timeout: 30)
    page = browser.create_page
    page.go_to("file://#{html_path}")
    page.network.wait_for_idle
    page.pdf(
      path: output_path,
      print_background: true,
      prefer_css_page_size: true
    )
  ensure
    browser&.quit
  end
end