Add itemcount (Items, excluding AddOns) to fragment_cart (#1514)

* Add itemcount (Items, excluding AddOns) to fragment_cart

* Simplify itemcount

src/pretix/presale/templates/pretixpresale/event/fragment_cart.html

@@ -243,11 +243,14 @@
     </div>
 {% endif %}
 <div class="row cart-row total">
-    <div class="col-md-4 col-xs-6">
+    <div class="product">
         <strong>{% trans "Total" %}</strong>
     </div>
-    <div class="col-md-3 col-xs-6 col-md-offset-5 price">
+    <div class="count hidden-xs">
+        <strong>{{ cart.itemcount }}</strong>
+    </div>
+    <div class="col-md-3 col-xs-6 col-md-offset-3 price">
         <strong>{{ cart.total|money:event.currency }}</strong>
     </div>
     <div class="clearfix"></div>
-</div>
+</div>

src/pretix/presale/views/__init__.py

@@ -173,6 +173,7 @@ class CartMixin:
             'minutes_left': minutes_left,
             'seconds_left': seconds_left,
             'first_expiry': first_expiry,
+            'itemcount': sum(c.count for c in positions if not c.addon_to)
         }