ModFlig.rb

class ModFlig

  class << self
    def download(links, link_numbers, download_directory)
      combined_links = links.zip(link_numbers)
      combined_links.each do |link, link_number|
        file_link = ModFlig.convert_link(link)
        download_file = ModFlig.mechanize_download(file_link, link_number)
        Dir.chdir(download_directory)
        download_file.save
      end
    end

    def convert_link(link)
      #Some regex magic
      link_parts = link.split(/(\/+)|(-)/)
      file_link = "http://" + link_parts[2] + "/file.php?id=" + link_parts[8]
      return file_link
    end

    def mechanize_download(file_link, link_number)
      agent = Mechanize.new
      download_file = agent.get(file_link)
      download_file.filename = link_number.to_s + "_" + download_file.filename
      return download_file
    end
  end
end