Contents

module Wallaby::SortingHelper
  def sort_link(field_name, model_decorator = current_model_decorator)
    metadata = model_decorator.index_metadata_of field_name

    if metadata[:is_origin] && !metadata[:is_association] || metadata[:sort_field_name]
      sort_field_name = metadata[:sort_field_name] || field_name
      extra_params = next_sort_param sort_field_name
      index_link(model_decorator.model_class, extra_params: extra_params) { metadata[:label] }
    else
      metadata[:label]
    end
  end

  def sort_hash
    @sort_hash ||= begin
      array = params[:sort].to_s.split(%r(\s*,\s*)).map{ |v| v.split %r(\s+) }
      Wallaby::Utils.to_hash array
    end
  end

  def next_sort_param(field_name)
    field_name  = field_name.to_s
    orders      = [ 'asc', 'desc', nil ]
    clean_params.tap do |hash|
      sortings = sort_hash.dup
      next_index = (orders.index(sortings[field_name]) + 1) % orders.length
      if orders[next_index].nil?
        sortings.delete field_name
      else
        sortings[field_name] = orders[next_index]
      end
      if sortings.present?
        hash[:sort] = sortings.to_a.map{ |v| v.join ' ' }.join ','
      else
        hash.delete :sort
      end
    end
  end

  def sort_class(field_name)
    sort_hash[ field_name.to_s ]
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
wallaby-4.1.6	lib/helpers/wallaby/sorting_helper.rb