Fixed relations to not interfere with defined writer methods.

History.txt

@@ -21,6 +21,8 @@
   * Fixed anchor in zazen url "":22#foo should link to anchor #foo in node '22'.
   * Prop eval returning nil for title properly replaces title with class name.
   * Type ctrl+return to enter a newline inside a grid.
+  * Checking for defined accessors on links before passing to relation proxy (this enables custom code
+    on relation modification without passing through RelationProxy).
 
 == 1.2.6, 1.2.7 2013-08-16
 

lib/zena/use/relations.rb

@@ -94,6 +94,7 @@ def relation_base_class
 
         # Return an array of accessor methods for the matched relation alias.
         def relation_alias(match)
+          return nil if respond_to?("#{match[0]}=") # native method
           return nil if match[0] == 'parent_id'
           role     = match[1]
           field    = match[2]

test/unit/relation_proxy_test.rb

@@ -601,4 +601,24 @@ def test_attr_public
       end
     end
   end # With many links
+
+  context 'with a native writer' do
+    subject do
+      node = secure(Node) { nodes(:cleanWater)}
+      class << node
+        def reference_zips=(list)
+          @list=list
+        end
+      end
+      node
+    end
+
+    should 'update with string list of ids' do
+      login(:lion)
+      assert_difference('Link.count', 0) do
+        subject.update_attributes_with_transformation('reference_ids' => [:art, :menu, :bird_jpg].map {|s| nodes_zip(s)}.join(', '))
+        assert_equal '30,33,35', subject.instance_variable_get(:@list).sort.join(',')
+      end
+    end
+  end
 end