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@@ -1,13 +1,17 @@
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 Association Attributes
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 =======
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-Introduction goes here.
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+creates an attribute method that allows to you to set associations with a param hash of that object.  Made for use with fields_for.
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 Example
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 =======
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-Example goes here.
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+has_one :address, :as => :addressable, :dependent => :destroy
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+has_one_attr :address
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+
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+has_many :phone_numbers, :as => :phoneable, :dependent => :destroy, :order => 'name'
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+has_many_attr :phone_numbers
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 Copyright (c) 2008 CommonThread, released under the MIT license

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@@ -9,6 +9,12 @@ module CommonThread
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       def has_many_attr(association_name, options = {})
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         eval "after_create :update_#{association_name}_attributes"
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+        unless_condition = 'false'
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+        if options[:check_blank]
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+          blank_fields = options[:check_blank].is_a?(Array) ? options[:check_blank] : [options[:check_blank]]
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+          unless_condition = blank_fields.map{|field| "(assoc_attr['#{field}'].blank? and assoc_attr[:#{field}].blank?)"}.join ' or '
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+        end
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+        
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         class_eval %{
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           def update_#{association_name}_attributes
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             self.#{association_name}_attributes = @#{association_name}_attributes if @#{association_name}_attributes
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@@ -20,7 +26,7 @@ module CommonThread
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             else
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               for assoc_attr in attributes
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                 #{association_name} = assoc_attr['id'].blank? ? self.#{association_name}.new : self.#{association_name}.find(assoc_attr['id'])
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-                #{association_name}.update_attributes(assoc_attr) unless #{build_unless_condition options[:check_blank]}
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+                #{association_name}.update_attributes(assoc_attr) unless #{unless_condition}
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               end
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             end
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           end
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@@ -28,20 +34,18 @@ module CommonThread
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       end
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       def has_one_attr(association_name, options = {})
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-        eval "after_create :update_#{association_name}_attributes"
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+        # eval "after_create :update_#{association_name}_attributes"
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+        
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+        unless_condition = 'false'
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+        if options[:check_blank]
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+          blank_fields = options[:check_blank].is_a?(Array) ? options[:check_blank] : [options[:check_blank]]
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+          unless_condition = blank_fields.map{|field| "(assoc_attr['#{field}'].blank? and assoc_attr[:#{field}].blank?)"}.join ' or '
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+        end
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         class_eval %{
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-          def update_#{association_name}_attributes
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-            self.#{association_name}_attributes = @#{association_name}_attributes if @#{association_name}_attributes
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-          end
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-
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           def #{association_name}_attributes=(attributes)
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-            if self.new_record?
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-              @#{association_name}_attributes = attributes
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-            else
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-              #{association_name} = self.#{association_name} || self.build_#{association_name}
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-              #{association_name}.update_attributes(assoc_attr) unless #{build_unless_condition options[:check_blank]}
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-            end
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+            #{association_name} = self.#{association_name} || self.build_#{association_name}
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+            #{association_name}.update_attributes(attributes) unless #{unless_condition}
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           end
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         }
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       end
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@@ -49,15 +53,5 @@ module CommonThread
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     module HelperMethods
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     end
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-    
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-    private
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-    def build_unless_condition(blank_fields)
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-      if blank_fields
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-        blank_fields = [blank_fields] unless blank_fields.is_a?(Array)
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-        blank_fields.map{|field| "(assoc_attr['#{field}'].blank? and assoc_attr[:#{field}].blank?)"}.join ' or '
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-      else
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-        "false"
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-      end
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-    end
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   end
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 end