application_helper.rb in carload-0.2.0

- old
+ new

@@ -1,4 +1,15 @@
 module Carload
   module ApplicationHelper
+    def needs_upload? model_name, attribute_name
+      case Carload.upload_solution
+      when :carrierwave
+        model_class = model_name.to_s.classify.constantize
+        not model_class.instance_methods.map(&:to_s).select { |x| x =~ /#{attribute_name}_url/ }.empty?
+      end
+    end
+
+    def image? attribute_name
+      attribute_name.to_s =~ /image|logo|img/
+    end
   end
 end