paulfioravanti / resume

    class FontDownloader

      extend Forwardable

      attr_reader :fonts

      def self.local_files_present?(files)

        files.all? { |file| File.file?(FileSystem.tmpfile_path(file)) }

      end

      private_class_method :local_files_present?

      def initialize(fonts)

        @fonts = fonts

      end

      def audit_font_dependencies

        fonts.each do |font|

          if self.class.__send__(:local_files_present?, font[:files].values)

            fonts.delete(font)

          end

        end

      end

      def output_font_dependencies

        return if fonts.none?

        Output.warning(:custom_fonts)

      end

      def fonts_successfully_downloaded?

        return true if fonts.none?

        fonts.all? do |font|

          download_and_extract_font(font)

          true

        end

      rescue NetworkConnectionError

        false

      end

      private

      def download_and_extract_font(font)

        Output.plain(:downloading_font)

        FileFetcher.fetch(

          ContentParser.decode_content(font[:location])

        )

        require "zip"

        FontExtractor.extract(font)

      end

    end