module Ransack::Translate

def association(key, options = {})
  unless context = options.delete(:context)
    raise ArgumentError, "A context is required to translate associations"
  end
  defaults =
    if key.blank?
      [:"ransack.models.#{i18n_key(context.klass)}",
       :"#{context.klass.i18n_scope}.models.#{i18n_key(context.klass)}"]
    else
      [:"ransack.associations.#{i18n_key(context.klass)}.#{key}"]
    end
  defaults << context.traverse(key).model_name.human
  options = { :count => 1, :default => defaults }
  I18n.translate(defaults.shift, **options)
end