Class: Riven::Wkhtmltopdf

Inherits:
Object
  • Object
show all
Defined in:
lib/riven/wkhtmltopdf.rb

Instance Method Summary collapse

Instance Method Details

#check_installation ⇒ Object 



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# File 'lib/riven/wkhtmltopdf.rb', line 4

public def check_installation
  `wkhtmltopdf -V > /dev/null 2>&1`

  unless $?.exitstatus == 0
    puts "Seems like wkhtmltopdf is not correctly installed or set up"
    exit
  end
end

#generate_pdf(html_file, cover_html_file, output_file, options) ⇒ Object 



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# File 'lib/riven/wkhtmltopdf.rb', line 13

public def generate_pdf(html_file, cover_html_file, output_file, options)
  params = [
    '--page-size A4',
    '--margin-bottom 20mm',
    '--margin-top 20mm',
    '--margin-left 30mm',
    '--margin-right 30mm',
    '--footer-left "[section]"',
    '--footer-right "[page] / [toPage]"',
    '--footer-font-size 7',
    '--footer-spacing 10'
  ]

  unless options[:cover_file] === ''
    params << "cover \"#{cover_html_file.file_name}\""
  end

  if options[:toc]
    xsl = File.read(File.expand_path(File.dirname(__FILE__)) + '/../../toc.xsl')
    xsl.gsub! '[[toc_headline]]', options[:toc_headline]
    xsl_file_name = '_tmp_toc.xsl'
    File.open(xsl_file_name, 'w') { |file| file.write(xsl) }

    params << 'toc'
    params << "--xsl-style-sheet \"#{xsl_file_name}\""
  end

  output = `wkhtmltopdf #{params.join(' ')} "#{html_file.file_name}" "#{output_file}" 2>&1`

  File.delete xsl_file_name

  return output
end