Extract rendering to helper method. Shift filename sanitization to controller.

lib/tracks/utils.rb

@@ -1,58 +0,0 @@
-require 'redcloth'
-
-module Tracks
-
-  class Utils
-    AUTO_LINK_MESSAGE_RE = %r{message://<[^>]+>} unless const_defined?(:AUTO_LINK_MESSAGE_RE)
-
-    # Converts message:// links to href. This URL scheme is used on Mac OS X
-    # to link to a mail message in Mail.app.
-    def self.auto_link_message(text)
-      text.gsub(AUTO_LINK_MESSAGE_RE) do
-        href = $&
-        left = $`
-        right = $'
-        # detect already linked URLs and URLs in the middle of a tag
-        if left =~ /<[^>]+$/ && right =~ /^[^>]*>/
-          # do not change string; URL is alreay linked
-          href
-        else
-          content = helpers.content_tag(:a, h(href), :href => h(href))
-        end
-      end
-    end
-
-    def self.render_text(text)
-      rendered = auto_link_message(text)
-      rendered = textile(rendered)
-      rendered = helpers.auto_link(rendered, :link => :urls, :html => {:target => '_blank'})
-
-      relaxed_config = Sanitize::Config::RELAXED
-      config = relaxed_config
-
-      # add onenote and message protocols, allow a target
-      a_href_config = relaxed_config[:protocols]['a']['href'] + %w(onenote message)
-      a_attributes = relaxed_config[:attributes]['a'] + ['target']
-      config = Sanitize::Config.merge(config, :protocols => {'a' => {'href' => a_href_config}}, :attributes => {'a' => a_attributes})
-
-      rendered = Sanitize.fragment(rendered, config)
-      return rendered.html_safe
-    end
-
-    def self.textile(text)
-      RedCloth.new(text).to_html
-    end
-
-    def self.sanitize_filename(filename)
-      filename.gsub(/[^0-9A-z.\-]/, '_')
-    end
-
-    private
-
-    def self.helpers
-      ActionController::Base.helpers
-    end
-
-  end
-
-end