From e94caf0788df87b139e575f33cdeea12b06f2609 Mon Sep 17 00:00:00 2001
From: Pratik Naik <pratiknaik@gmail.com>
Date: Fri, 9 Oct 2009 15:37:10 +0100
Subject: Store entire options hash in the class var rather than just the
 reject_if proc for the nested attributes

---
 .../lib/active_record/nested_attributes.rb         | 27 ++++++++++++----------
 activerecord/test/cases/nested_attributes_test.rb  |  8 +++----
 2 files changed, 19 insertions(+), 16 deletions(-)

(limited to 'activerecord')

diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index ec6c02db38..05c7e9713f 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -6,8 +6,8 @@ module ActiveRecord
     extend ActiveSupport::Concern
 
     included do
-      class_inheritable_accessor :reject_new_nested_attributes_procs, :instance_writer => false
-      self.reject_new_nested_attributes_procs = {}
+      class_inheritable_accessor :nested_attributes_options, :instance_writer => false
+      self.nested_attributes_options = {}
     end
 
     # == Nested Attributes
@@ -227,10 +227,10 @@ module ActiveRecord
 
             reflection.options[:autosave] = true
 
-            self.reject_new_nested_attributes_procs[association_name.to_sym] = if options[:reject_if] == :all_blank
-              proc { |attributes| attributes.all? {|k,v| v.blank?} }
-            else
-              options[:reject_if]
+            self.nested_attributes_options[association_name.to_sym] = options
+
+            if options[:reject_if] == :all_blank
+              self.nested_attributes_options[association_name.to_sym][:reject_if] = proc { |attributes| attributes.all? {|k,v| v.blank?} }
             end
 
             # def pirate_attributes=(attributes)
@@ -238,7 +238,7 @@ module ActiveRecord
             # end
             class_eval %{
               def #{association_name}_attributes=(attributes)
-                assign_nested_attributes_for_#{type}_association(:#{association_name}, attributes, #{options[:allow_destroy]})
+                assign_nested_attributes_for_#{type}_association(:#{association_name}, attributes)
               end
             }, __FILE__, __LINE__
           else
@@ -282,7 +282,8 @@ module ActiveRecord
     # If the given attributes include a matching <tt>:id</tt> attribute _and_ a
     # <tt>:_destroy</tt> key set to a truthy value, then the existing record
     # will be marked for destruction.
-    def assign_nested_attributes_for_one_to_one_association(association_name, attributes, allow_destroy)
+    def assign_nested_attributes_for_one_to_one_association(association_name, attributes)
+      options = self.nested_attributes_options[association_name]
       attributes = attributes.with_indifferent_access
 
       if attributes['id'].blank?
@@ -295,7 +296,7 @@ module ActiveRecord
           end
         end
       elsif (existing_record = send(association_name)) && existing_record.id.to_s == attributes['id'].to_s
-        assign_to_or_mark_for_destruction(existing_record, attributes, allow_destroy)
+        assign_to_or_mark_for_destruction(existing_record, attributes, options[:allow_destroy])
       end
     end
 
@@ -326,7 +327,9 @@ module ActiveRecord
     #     { :name => 'John' },
     #     { :id => '2', :_destroy => true }
     #   ])
-    def assign_nested_attributes_for_collection_association(association_name, attributes_collection, allow_destroy)
+    def assign_nested_attributes_for_collection_association(association_name, attributes_collection)
+      options = self.nested_attributes_options[association_name]
+
       unless attributes_collection.is_a?(Hash) || attributes_collection.is_a?(Array)
         raise ArgumentError, "Hash or Array expected, got #{attributes_collection.class.name} (#{attributes_collection.inspect})"
       end
@@ -343,7 +346,7 @@ module ActiveRecord
             send(association_name).build(attributes.except(*UNASSIGNABLE_KEYS))
           end
         elsif existing_record = send(association_name).detect { |record| record.id.to_s == attributes['id'].to_s }
-          assign_to_or_mark_for_destruction(existing_record, attributes, allow_destroy)
+          assign_to_or_mark_for_destruction(existing_record, attributes, options[:allow_destroy])
         end
       end
     end
@@ -372,7 +375,7 @@ module ActiveRecord
     end
 
     def call_reject_if(association_name, attributes)
-      callback = self.class.reject_new_nested_attributes_procs[association_name]
+      callback = self.nested_attributes_options[association_name][:reject_if]
 
       case callback
       when Symbol
diff --git a/activerecord/test/cases/nested_attributes_test.rb b/activerecord/test/cases/nested_attributes_test.rb
index e57e361520..2a2a19fd4c 100644
--- a/activerecord/test/cases/nested_attributes_test.rb
+++ b/activerecord/test/cases/nested_attributes_test.rb
@@ -29,13 +29,13 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase
     Pirate.accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
   end
 
-  def test_base_should_have_an_empty_reject_new_nested_attributes_procs
-    assert_equal Hash.new, ActiveRecord::Base.reject_new_nested_attributes_procs
+  def test_base_should_have_an_empty_nested_attributes_options
+    assert_equal Hash.new, ActiveRecord::Base.nested_attributes_options
   end
 
-  def test_should_add_a_proc_to_reject_new_nested_attributes_procs
+  def test_should_add_a_proc_to_nested_attributes_options
     [:parrots, :birds, :birds_with_reject_all_blank].each do |name|
-      assert_instance_of Proc, Pirate.reject_new_nested_attributes_procs[name]
+      assert_instance_of Proc, Pirate.nested_attributes_options[name][:reject_if]
     end
   end
 
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