require 'rss'

module Crys
  module CommonFunctions
    def project_root
      "#{File.dirname(File.dirname(File.dirname(File.dirname(File.dirname(File.expand_path(__FILE__))))))}"
    end

    def process_image(file:, width: :auto)
      full_path = image_dir + "/" +  file

      image = ::Crys::ImageProcessor.new(path: full_path, filename: file, width: width)
      assets << image

      image
    end

    def fetch_rss(url: nil, name: nil)
      if name
        path = case name
               when :main
                 "/public/index.xml"
               end

        rss = File.read(project_root + path)
      end

      RSS::Parser.parse(rss)
    end
  end
end