desc "Creating migration for self_rateable"
task :self_rateable do
       system "rails g model ratings rating:integer rateable_type:string rateable_id:integer rater_id:integer:index"
       system "rm -rf app/models/ratings.rb"
       system "rm -rf test/models/ratings_test.rb"
       system "rm -rf test/fixtures/ratings.yml"
       system "rake db:migrate" 
       puts '==  Do not worry I\'ve deleted ratings.rb model and cleaned up test_unit directory =================================================='

end