Add charged method to classes

@@ -116,6 +116,11 @@ module ActsAsChargeable
       end
     end
 
+    def charged?(service)
+      charge = find_charge(service)
+      charge.any? && !charge.include?(:error_message)
+    end
+
     def find_conekta_charge
       ref_id = self.sync(:conekta, 'reference_id')
       Conekta::Charge.where({'status.ne'=>'paid', 'reference_id'=> ref_id})

 module Var
-  VERSION = "0.2.1"
+  VERSION = "0.2.2"
 end