X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Factiverecord%2Flib%2Factive_record%2Fassociations%2Fbelongs_to_polymorphic_association.rb;fp=vendor%2Frails%2Factiverecord%2Flib%2Factive_record%2Fassociations%2Fbelongs_to_polymorphic_association.rb;h=d8146daa54ee4a1693e4a055ce9c3d4c7ada8eac;hb=d115f2e23823271635bad69229a42cd8ac68debe;hp=0000000000000000000000000000000000000000;hpb=37cb670bf3ddde90b214e591f100ed4446469484;p=depot.git

diff --git a/vendor/rails/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb b/vendor/rails/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb
new file mode 100644
index 0000000..d8146da
--- /dev/null
+++ b/vendor/rails/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb
@@ -0,0 +1,49 @@
+module ActiveRecord
+  module Associations
+    class BelongsToPolymorphicAssociation < AssociationProxy #:nodoc:
+      def replace(record)
+        if record.nil?
+          @target = @owner[@reflection.primary_key_name] = @owner[@reflection.options[:foreign_type]] = nil
+        else
+          @target = (AssociationProxy === record ? record.target : record)
+
+          @owner[@reflection.primary_key_name] = record.id
+          @owner[@reflection.options[:foreign_type]] = record.class.base_class.name.to_s
+
+          @updated = true
+        end
+
+        loaded
+        record
+      end
+
+      def updated?
+        @updated
+      end
+
+      private
+        def find_target
+          return nil if association_class.nil?
+
+          if @reflection.options[:conditions]
+            association_class.find(
+              @owner[@reflection.primary_key_name],
+              :select     => @reflection.options[:select],
+              :conditions => conditions,
+              :include    => @reflection.options[:include]
+            )
+          else
+            association_class.find(@owner[@reflection.primary_key_name], :select => @reflection.options[:select], :include => @reflection.options[:include])
+          end
+        end
+
+        def foreign_key_present
+          !@owner[@reflection.primary_key_name].nil?
+        end
+
+        def association_class
+          @owner[@reflection.options[:foreign_type]] ? @owner[@reflection.options[:foreign_type]].constantize : nil
+        end
+    end
+  end
+end