gistfile1.rb

# encoding: UTF-8
module ApplicationHelper
  def sharing_on_social_networks(subject)
    social_networks = {}
    social_networks[:twitter] = "http://twitter.com/share?text=Estou vendo #{truncate(subject, :length => 60)} na página da Soulfitness. Veja também em&url=http://www.soulfitness.com.br"
    String.new.html_safe.tap do |output|
      social_networks.each_pair do |key, value|
        output << link_to(image_tag(key.to_s + ".png", :width => 21, :height => 21), value, :class => key, :target => "_blank")
      end
    end
  end
end