lib/embedded_associations.rb in embedded_associations-4.0.0 vs lib/embedded_associations.rb in embedded_associations-4.1.0

@@ -85,12 +85,17 @@
       unless definition.is_a? Hash
         definition = {definition => nil}
       end
 
       definition.each do |name, child_definition|
+        if !parent_params || !parent_params.has_key?(name.to_s)
+          next
+        end
+        
         reflection = parent.class.reflect_on_association(name)
-        attrs = parent_params && parent_params.delete(name.to_s)
+        
+        attrs = parent_params.delete(name.to_s)
 
         if reflection.collection?
           attrs ||= []
           handle_plural_resource parent, name, attrs, child_definition
         else
@@ -129,20 +134,20 @@
 
     def handle_singular_resource(parent, name, attrs, child_definition)
       current_assoc = parent.send(name)
 
       if r = current_assoc
-        if attrs
+        if attrs && attrs != ''
           attrs = controller.send(:filter_attributes, r.class.name, attrs, :update)
           handle_resource(child_definition, r, attrs) if child_definition
           r.assign_attributes(attrs)
           run_before_update_callbacks(r)
         else
           handle_resource(child_definition, r, attrs) if child_definition
           run_before_destroy_callbacks(r)
           r.mark_for_destruction
         end
-      elsif attrs
+      elsif attrs && attrs != ''
         r = parent.send("build_#{name}")
         attrs = controller.send(:filter_attributes, r.class.name, attrs, :create)
         handle_resource(child_definition, r, attrs) if child_definition
         r.assign_attributes(attrs)
         run_before_create_callbacks(r)