Contents

require 'open3'
require 'fileutils'
require_relative '../html2pdf'

module Html2Pdf
  class << self
    # Batch convert to pdf using `wkhtmltopdf` tool
    #
    # @param [Array<String>] files the input file list
    # @param [String] base_dir the base directory
    def to_pdfs(files)
      files.each_with_index do |file, index|
        puts "Convert file #{index + 1} of #{files.size} : #{file}"
        to_pdf(file)
      end
    end

    # Convert '*.xhtml' or '*.html' to pdf
    #
    # @param filename input filename
    def to_pdf(filename)
      fail "Invalid input file #{filename}" unless File.exist?(filename)
      command = [
        'wkhtmltopdf',
        '--margin-top 4',
        '--margin-bottom 4',
        '--margin-left 4',
        '--margin-right 4',
        '--header-center "[webpage] :: [page]/[topage]"',
        '--header-spacing 1',
        '--header-font-size 8',
        '--header-line',
        '--footer-spacing 1',
        '--footer-font-size 8',
        '--footer-line',
        "#{filename}",
        "#{filename}.pdf",
        '> /dev/null']
      _stdin, _stderr, status = Open3.capture3(command.join(' '))
      fail "Problem processing #{filename}" unless status.success?
    end

    # Check and verify that the proper softwares are available.
    #
    def softwares_installed?
      AgileUtils::Helper.which('wkhtmltopdf')
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
html2pdf-0.1.1	lib/html2pdf/html2pdf.rb
html2pdf-0.1.0	lib/html2pdf/html2pdf.rb
html2pdf-0.0.7	lib/html2pdf/html2pdf.rb