fixed the design doc cache issue

couchrest.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{couchrest}
-  s.version = "0.27"
+  s.version = "0.28"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["J. Chris Anderson", "Matt Aimonetti"]

lib/couchrest.rb

@@ -28,7 +28,7 @@ require 'couchrest/monkeypatches'
 
 # = CouchDB, close to the metal
 module CouchRest
-  VERSION    = '0.27' unless self.const_defined?("VERSION")
+  VERSION    = '0.28' unless self.const_defined?("VERSION")
   
   autoload :Server,       'couchrest/core/server'
   autoload :Database,     'couchrest/core/database'

lib/couchrest/core/database.rb

@@ -236,16 +236,6 @@ module CouchRest
       copy_doc(doc, dest)
     end
     
-    def extended_document_classes
-      @extended_document_classes ||= []
-    end
-    
-    # store extended document classes so we can clear 
-    # their freshness when we reset the DB
-    def register_extended_document_class(klass)
-      extended_document_classes << klass
-    end
-    
     # Compact the database, removing old document revisions and optimizing space use.
     def compact!
       CouchRest.post "#{@uri}/_compact"
@@ -288,7 +278,7 @@ module CouchRest
     private
     
     def clear_extended_doc_fresh_cache
-      extended_document_classes.each{|klass| klass.design_doc_fresh = false if klass.respond_to?(:design_doc_fresh=) }
+      ::CouchRest::ExtendedDocument.subclasses.each{|klass| klass.design_doc_fresh = false if klass.respond_to?(:design_doc_fresh=) }
     end
     
     def uri_for_attachment(doc, name)

lib/couchrest/more/extended_document.rb

@@ -1,6 +1,7 @@
 require 'mime/types'
 require File.join(File.dirname(__FILE__), "property")
 require File.join(File.dirname(__FILE__), '..', 'mixins', 'extended_document_mixins')
+require "enumerator"
 
 module CouchRest
   
@@ -13,6 +14,10 @@ module CouchRest
     include CouchRest::Mixins::ExtendedAttachments
     include CouchRest::Mixins::ClassProxy
 
+   def self.subclasses
+     ObjectSpace.enum_for(:each_object, class << self; self; end).to_a.delete_if{|k| k == self}
+   end
+    
     def self.inherited(subklass)
       subklass.send(:include, CouchRest::Mixins::Properties)
       subklass.class_eval <<-EOS, __FILE__, __LINE__
@@ -20,15 +25,6 @@ module CouchRest
           subklass.properties = self.properties.dup
         end
       EOS
-      
-      # re opening the use_database method so we can register our class
-      subklass.class_eval <<-EOS, __FILE__, __LINE__
-        def self.use_database(db)
-          super
-          db.register_extended_document_class(self) if db.respond_to?(:register_extended_document_class) && !db.extended_document_classes.include?(self)
-        end
-      EOS
-      
     end
     
     # Accessors

spec/couchrest/more/extended_doc_view_spec.rb

@@ -61,7 +61,6 @@ describe "ExtendedDocument views" do
   describe "another model with a simple view" do
     before(:all) do
       reset_test_db!
-      Course.design_doc_fresh = false
       %w{aaa bbb ddd eee}.each do |title|
         Course.new(:title => title).save
       end
@@ -109,13 +108,11 @@ describe "ExtendedDocument views" do
       duck["dept"].should == true
     end
     it "should make the design doc" do
-      Course.design_doc_fresh = false
       @as = Course.by_dept
       @doc = Course.design_doc
       @doc["views"]["by_dept"]["map"].should_not include("couchrest")
     end
     it "should not look for class" do
-      Course.design_doc_fresh = false
       @as = Course.by_dept
       @as[0]['_id'].should == @id
     end