Create a 'Show More' button at the top of the page, next to New Order on on admin order cycles index page

app/controllers/admin/order_cycles_controller.rb

@@ -5,7 +5,7 @@ module Admin
   class OrderCyclesController < ResourceController
     include OrderCyclesHelper
 
-    before_filter :load_order_cycle_set, :only => :index
+    before_filter :load_data_for_index, :only => :index
     before_filter :require_coordinator, only: :new
 
     def show
@@ -73,19 +73,20 @@ module Admin
 
 
     protected
-    def collection
+    def collection(show_more=false)
       ocs = OrderCycle.managed_by(spree_current_user)
 
       ocs.undated +
         ocs.soonest_closing +
         ocs.soonest_opening +
-        ocs.recently_closed
+        (show_more ? ocs.closed : ocs.recently_closed)
     end
 
     private
-    def load_order_cycle_set
+    def load_data_for_index
+      @show_more = !!params[:show_more]
       @order_cycle_enterprises = OpenFoodNetwork::Permissions.new(spree_current_user).order_cycle_enterprises
-      @order_cycle_set = OrderCycleSet.new :collection => collection
+      @order_cycle_set = OrderCycleSet.new :collection => collection(@show_more)
     end
 
     def require_coordinator

app/views/admin/order_cycles/index.html.haml

@@ -4,6 +4,12 @@
 = content_for :page_actions do
   %li#new_order_cycle_link
     = button_link_to "New Order Cycle", main_app.new_admin_order_cycle_path, :icon => 'icon-plus', :id => 'admin_new_order_cycle_link'
+  - if @show_more
+    %li
+      = button_link_to "Show less", main_app.admin_order_cycles_path
+  - else
+    %li
+      = button_link_to "Show more", main_app.admin_order_cycles_path(params: { show_more: true })
 
 = form_for @order_cycle_set, :url => main_app.bulk_update_admin_order_cycles_path do |f|
   %table.index#listing_order_cycles