gistfile1.rb

# Pseudo class
class SearchResult < ActiveRecord::Base
  has_no_table

  class << self
 
    def has_many( klass )
      # This is almost definitely wrong, but the idea is here
      define_method( klass.name.tableize ) do
        klass.for_search_term( self.id )
      end
    end

  end

  def id
    # search terms preferably, i think...
  end
end

#
# Magic mixins
#

module LinkToSearch

  def self.included( base )
    base.extend( ClassMethods )
  end

  module ClassMethods
    
    # Setup search "association"
    def belongs_to_search_result
      
      include( InstanceMethods )
      extend( SingletonMethods )

      named_scope :for_search_term, lambda { |term| { :conditions => { :search_term => term } } }

      SearchResult.has_many( self )
    end
  end

  module InstanceMethods
    
    # This would be akin to calling an association
    def search_result
      # No idea what to do here really
    end
  end

  module SingletonMethods
  end
end

# Mix this into AR
ActiveRecord::Base.send( :include, LinkToSearch )

# Link a model to search
class Comment < ActiveRecord::Base
  belongs_to_search_result
end