Method: Ransack::Context#traverse

Defined in:
lib/ransack/context.rb

#traverse(str, base = @base) ⇒ Object 



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# File 'lib/ransack/context.rb', line 65

def traverse(str, base = @base)
  str ||= ''.freeze

  if (segments = str.split(/_/)).size > 0
    remainder = []
    found_assoc = nil
    while !found_assoc && segments.size > 0 do
      # Strip the _of_Model_type text from the association name, but hold
      # onto it in klass, for use as the next base
      assoc, klass = unpolymorphize_association(
        segments.join('_'.freeze)
        )
      if found_assoc = get_association(assoc, base)
        base = traverse(
          remainder.join('_'.freeze), klass || found_assoc.klass
          )
      end

      remainder.unshift segments.pop
    end
    raise UntraversableAssociationError,
      "No association matches #{str}" unless found_assoc
  end

  klassify(base)
end