api.array :issue_categories, api_meta(:total_count => @categories.size) do
  @categories.each do |category|
    api.issue_category do
      api.id category.id
      api.project(:id => category.project_id, :name => category.project.name) unless category.project.nil?
      api.name category.name
      api.assigned_to(:id => category.assigned_to_id, :name => category.assigned_to.name) unless category.assigned_to.nil?
    end
  end
end
