Add trade counts to item page tab navigation

app/views/item_trades/index.html.haml

@@ -1,8 +1,8 @@
 - title t(".title.#{@type}")
 - hide_title_header
 
-= render partial: "items/item_header",
+= render partial: "items/item_header", locals: {item: @item,
-	locals: {item: @item, current_subpage: "trades_#{@type}"}
+	trades: @item_trades, current_subpage: "trades_#{@type}"}
 
 %h2.item-subpage-title= t(".title.#{@type}")
 

app/views/items/_item_header.haml

@@ -1,4 +1,5 @@
 - raise ArgumentError unless defined? item
+- raise ArgumentError unless defined? trades
 - raise ArgumentError unless defined? current_subpage
 
 %header.item-header
@@ -27,10 +28,12 @@
       %header= t('items.show.subpages_nav.trades.header')
       %ul
         %li
-          = link_to t('items.show.subpages_nav.trades.offering'),
+          = link_to t('items.show.subpages_nav.trades.offering',
+              count: trades[:offering].size),
             item_trades_path(item, type: 'offering'),
             'data-is-current' => current_subpage == 'trades_offering'
         %li
-          = link_to t('items.show.subpages_nav.trades.seeking'),
+          = link_to t('items.show.subpages_nav.trades.seeking',
+              count: trades[:offering].size),
             item_trades_path(item, type: 'seeking'),
             'data-is-current' => current_subpage == 'trades_seeking'

app/views/items/show.html.haml

@@ -2,7 +2,7 @@
 - canonical_path @item
 
 = render partial: "item_header",
-  locals: {item: @item, current_subpage: "preview"}
+  locals: {item: @item, trades: @trades, current_subpage: "preview"}
 
 %section#item-info-section
   #item-info

config/locales/en.yml

@@ -330,8 +330,8 @@ en:
         preview: Preview
         trades:
           header: Trades
-          offering: Offering
+          offering: Offering (%{count})
-          seeking: Seeking
+          seeking: Seeking (%{count})
       preview:
         header: Preview
         customize_more: Customize more