move website from User to UserProfile

db/migrate/20140607035234_add_website_to_user_profiles.rb

@@ -0,0 +1,17 @@
+class AddWebsiteToUserProfiles < ActiveRecord::Migration
+  def up
+    add_column :user_profiles, :website, :string
+
+    execute "UPDATE user_profiles SET website = (SELECT website FROM users where user_profiles.user_id = users.id)"
+
+    remove_column :users, :website
+  end
+
+  def down
+    add_column :users, :website, :string
+
+    execute "UPDATE users SET website = (SELECT website FROM user_profiles where user_profiles.user_id = users.id)"
+
+    remove_column :user_profiles, :website
+  end
+end