Added extension capabilities to has_many and has_and_belongs_to_many proxies [DHH] Added find_or_create_by_X as a second type of dynamic finder that'll create the record if it doesn't already exist [DHH] Added constrain scoping for creates using a hash of attributes bound to the :creation key [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2872 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 14 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb
index f5f27dc410..b04cb81a5c 100644
--- a/activerecord/lib/active_record/associations/has_many_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_association.rb
@@ -85,6 +85,20 @@ module ActiveRecord
       end
       
       protected
+        def method_missing(method, *args, &block)
+          if @target.respond_to?(method) || (!@association_class.respond_to?(method) && Class.respond_to?(method))
+            super
+          else
+            @association_class.constrain(
+                :conditions => @finder_sql, 
+                :joins      => @join_sql, 
+                :readonly   => false,
+                :creation   => { @association_class_primary_key_name => @owner.id }) do
+              @association_class.send(method, *args, &block)
+            end
+          end
+        end
+            
         def find_target
           find_all
         end