SassImporters.rb

# Used in a Stylesheet model to import other Stylesheet instances. Compile like this.
# The gsub is used to clean out NULL byte characters.
# 
# class Stylesheet < ActiveRecord::Base
#   include SassImporters
# 
#   def compile
#     compressed_styles = SassC::Engine.new(self.sass.gsub("\u0000", ''), { :importer => DatabaseImporter }).render
#   end
# end
module SassImporters
  class DatabaseImporter < SassC::Importer
    def imports(name, parent_path)
      if ss = Stylesheets.find_by_name(name)
        Import.new("#{ss.name}.scss", source: ss.sass)
      elsif ss = Stylesheets.find_by_name("_#{name}")
        Import.new("_#{ss.name}.scss", source: ss.sass)
      else
        nil
      end
    end
  end
end