lib/para/ext/paperclip.rb in para-0.5.3 vs lib/para/ext/paperclip.rb in para-0.5.4

@@ -26,11 +26,12 @@
             if value == '1'
               removed_attachments << attachment_name
 
               # Notify ActiveRecord that the model has changed so nested models
               # get to run validation hooks and attachments are cleared
-              send(:"#{ attachment_name }_file_name_will_change!")
+              column_name = attribute_container_column_for(attachment_name)
+              send(:"#{ column_name }_will_change!")
             end
           end
 
           @klass.send :define_method, :"remove_#{ attachment_name }" do |value|
             removed_attachments.include?(attachment_name) ? '1' : nil
@@ -57,9 +58,21 @@
 
               removed_attachments.clear
             end
 
             @klass.send(:before_validation, :clear_removed_attachments)
+          end
+
+          @klass.send(:define_method, :attribute_container_column_for) do |attachment_name|
+            attribute_name = "#{ attachment_name }_file_name"
+
+            if self.class.columns.any? { |column| column.name == attribute_name }
+              return attribute_name
+            end
+
+            stored_attribute = self.class.stored_attributes.each do |key, fields|
+              return key if fields.include?(attribute_name.to_sym)
+            end
           end
         end
       end
     end
   end