lib/mongo_mapper/plugins/associations/nested_attributes/extensions/many_documents_proxy.rb
module MongoMapper
module Plugins
module Associations
class ManyDocumentsProxy
def save_to_collection(options={})
if @target
to_delete = @target.dup.reject { |doc| !doc.marked_for_destruction? }
@target -= to_delete
to_delete.each { |doc| doc.destroy }
@target.each { |doc| doc.save(options) }
end
end
end
end
end
end