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Description: Most awesome pagination solution for Ruby
Homepage: http://github.com/mislav/will_paginate/wikis
Clone URL: git://github.com/mislav/will_paginate.git
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simplify association mixin code and fix pagination on HMT associations with edge 
Rails [9200]
Mislav Marohnić (author)
Wed Apr 02 19:40:10 -0700 2008
commit  dfda32a6e3fe252dc62c06044958b3033d8b35c7
tree    f6ec1eb6b80d6902e94ebbef6b5c23bfccaee81f
parent  3d3c21f8e5af174cb79cfaa99a50908bf4ac2f7f
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lib/will_paginate.rb 
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@@ -33,15 +33,16 @@ module WillPaginate
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       require 'will_paginate/finder'
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       ActiveRecord::Base.class_eval { include Finder }
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+      # support paginating finders on associations
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       associations = ActiveRecord::Associations
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       collection = associations::AssociationCollection
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+      classes = [collection]
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+      # before [9200], HMT wasn't a subclass of AssociationCollection
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+      unless associations::HasManyThroughAssociation.superclass == collection
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+        classes << associations::HasManyThroughAssociation
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+      end
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-      # to support paginating finders on associations, we have to mix in the
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-      # method_missing magic from WillPaginate::Finder::ClassMethods to AssociationProxy
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-      # subclasses, but in a different way for Rails 1.2.x and 2.0
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-      (collection.instance_methods.include?(:create!) ?
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-        collection : collection.subclasses.map(&:constantize)
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-      ).push(associations::HasManyThroughAssociation).each do |klass|
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+      classes.each do |klass|
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         klass.class_eval do
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           include Finder::ClassMethods
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           alias_method_chain :method_missing, :paginate

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