compass.rb for theme_support

# config/initializers/compass.rb
require 'compass'
location_hash = {
  "#{RAILS_ROOT}/app/stylesheets" => "#{RAILS_ROOT}/public/stylesheets"
}

Theme.find_all.map(&:name).each do |theme|
  location_hash["#{RAILS_ROOT}/themes/#{theme}/stylesheets"] = "#{RAILS_ROOT}/themes/#{theme}/stylesheets"
end

Sass::Plugin.options[:template_location] = location_hash

Compass::Frameworks::ALL.each do |framework|
  Sass::Plugin.options[:template_location][framework.stylesheets_directory] = "#{RAILS_ROOT}/public/stylesheets"
end