From 0afd5850f5bba4bd3f1218e27a4a1488c9fdb83e Mon Sep 17 00:00:00 2001
From: Jon Leighton <j@jonathanleighton.com>
Date: Thu, 19 May 2011 23:28:44 +0100
Subject: Implement proxy_owner, proxy_target and proxy_reflection methods on
 CollectionProxy with deprecations. Fixes #1148.

---
 activerecord/lib/active_record/associations.rb     | 11 +++++-----
 .../active_record/associations/collection_proxy.rb | 24 ++++++++++++++++++++++
 2 files changed, 30 insertions(+), 5 deletions(-)

(limited to 'activerecord/lib/active_record')

diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 9bc44e5163..a017c1aa1e 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -457,12 +457,13 @@ module ActiveRecord
     #     has_many :people, :extend => [FindOrCreateByNameExtension, FindRecentExtension]
     #   end
     #
-    # Some extensions can only be made to work with knowledge of the association proxy's internals.
-    # Extensions can access relevant state using accessors on the association proxy:
+    # Some extensions can only be made to work with knowledge of the association's internals.
+    # Extensions can access relevant state using the following methods (where 'items' is the
+    # name of the association):
     #
-    # * +proxy_owner+ - Returns the object the association is part of.
-    # * +proxy_reflection+ - Returns the reflection object that describes the association.
-    # * +proxy_target+ - Returns the associated object for +belongs_to+ and +has_one+, or
+    # * +record.association(:items).owner+ - Returns the object the association is part of.
+    # * +record.association(:items).reflection+ - Returns the reflection object that describes the association.
+    # * +record.association(:items).target+ - Returns the associated object for +belongs_to+ and +has_one+, or
     #   the collection of associated objects for +has_many+ and +has_and_belongs_to_many+.
     #
     # === Association Join Models
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb
index adfc71d435..8415942a1a 100644
--- a/activerecord/lib/active_record/associations/collection_proxy.rb
+++ b/activerecord/lib/active_record/associations/collection_proxy.rb
@@ -123,6 +123,30 @@ module ActiveRecord
           method_missing(:new, *args, &block)
         end
       end
+
+      def proxy_owner
+        ActiveSupport::Deprecation.warn(
+          "Calling record.#{@association.reflection.name}.proxy_owner is deprecated. Please use " \
+          "record.association(:#{@association.reflection.name}).owner instead."
+        )
+        @association.owner
+      end
+
+      def proxy_target
+        ActiveSupport::Deprecation.warn(
+          "Calling record.#{@association.reflection.name}.proxy_target is deprecated. Please use " \
+          "record.association(:#{@association.reflection.name}).target instead."
+        )
+        @association.target
+      end
+
+      def proxy_reflection
+        ActiveSupport::Deprecation.warn(
+          "Calling record.#{@association.reflection.name}.proxy_reflection is deprecated. Please use " \
+          "record.association(:#{@association.reflection.name}).reflection instead."
+        )
+        @association.reflection
+      end
     end
   end
 end
-- 
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