small link_to_ordering refactoring

app/helpers/group_orders_helper.rb

@@ -7,24 +7,20 @@ module GroupOrdersHelper
     }.join("\n")
   end
 
+  # Returns a link to the page where a group_order can be edited.
+  # If the option :show is true, the link is for showing the group_order.
   def link_to_ordering(order, options = {})
-    path = if group_order = order.group_order(current_user.ordergroup)
+    group_order = order.group_order(current_user.ordergroup)
+    path = if options[:show] and group_order
+             group_order_path(group_order)
+           elsif group_order
              edit_group_order_path(group_order, :order_id => order.id)
            else
              new_group_order_path(:order_id => order.id)
            end
-    link_to order.name, path, options
+    options.delete(:show)
-  end
+    name = block_given? ? yield(order, group_order) : order.name
-
+    path ? link_to(name, path, options) : name
-  def link_to_ordering_price(order, options = {})
-    if group_order = order.group_order(current_user.ordergroup)
-      price = group_order.price
-      path = group_order_path(group_order)
-    else
-      price = 0
-      path = new_group_order_path(:order_id => order.id)
-    end
-    link_to number_to_currency(price), path, options
   end
 
   # Return css class names for order result table

app/views/shared/_open_orders.html.haml

@@ -20,7 +20,9 @@
             - if group_order = order.group_order(ordergroup)
               - total += group_order.price
               %td= "#{group_order.updated_by.nick} (#{format_time(group_order.updated_on)})"
-              %td.numeric= link_to_ordering_price(order)
+              %td.numeric
+                = link_to_ordering(order, show: true) do
+                  - number_to_currency(group_order.price)
             - else
               %td{:colspan => 2}
       - if total > 0