Refactor roles

db/migrate/20150120140346_refactor_roles.rb

@@ -0,0 +1,16 @@
+class RefactorRoles < ActiveRecord::Migration
+  def change
+    add_column :users, :roles, :string, array: true
+
+    User.all.each do |x|
+      x.roles = [x.role.code]
+      x.save
+    end
+
+    remove_column :users, :role_id
+
+    drop_table :roles
+    drop_table :rights
+    drop_table :rights_roles
+  end
+end