_ticket_filter.html.erb

<h3>Filter Tickets</h3>

<ul id="filter-links">
  <%= ticket_filter_links 'open', @current_user.id -%>
  <%= ticket_filter_links 'closed', @current_user.id -%>
  <%= ticket_filter_links 'open' -%>
  <%= ticket_filter_links 'closed' -%>
</ul>

tickets_helper.rb

def ticket_filter_links(status_name, user_id=nil)
    if user_id.nil?
      if status_name.downcase == 'closed'
        content_tag(:li, link_to("All Closed Tickets", tickets_path + "?search[status_id_equals]=#{@closed_status.id}"))
      else
        content_tag(:li, link_to("All Active Tickets", tickets_path))
      end
    else
      if status_name.downcase == 'closed'
        content_tag(:li, link_to("My Closed Tickets", tickets_path + "?search[status_id_equals]=#{@closed_status.id}&search[owned_by_equals]=#{user_id}"))
      else
        content_tag(:li, link_to("My Open Tickets", tickets_path + "?search[status_id_equals]=#{@open_status.id}&search[owned_by_equals]=#{user_id}"))
      end
    end
  end