Module: WithOrder::ActionViewExtension

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# File 'lib/with_order/action_view_extension.rb', line 5

def link_with_order(*args, &block)
  text = block_given? ? capture(&block) : args.shift
  scope, field, html_options = *args
  html_options ||= {}

  dir = html_options.delete(:dir) || (
    (scope.current_order[:field] == field and (scope.current_order[:dir].blank? or scope.current_order[:dir].downcase == :asc)) ?
    'desc' :
    'asc'
  )

  param_namespace = scope.current_order[:param_namespace]
  scoped_params = (param_namespace ? self.extract_hash_value(params, param_namespace) : params).try(:dup) || {}
  scoped_params.merge!({order: "#{field}-#{dir}"})

  link_to(text, param_namespace ? params.merge({param_namespace => scoped_params}) : scoped_params, html_options)
end