Improve support for stock providers

matemat/webserver/pagelets/buy.py

@@ -25,11 +25,11 @@ def buy():
         if 'pid' in request.params:
             pid = int(str(request.params.pid))
             product = db.get_product(pid)
+            if c.get_dispenser().dispense(product, 1):
                 # Create a consumption entry for the (user, product) combination
                 db.increment_consumption(user, product)
                 stock_provider = c.get_stock_provider()
                 if stock_provider.needs_update():
                     stock_provider.update_stock(product, -1)
-            c.get_dispenser().dispense(product, 1)
     # Redirect to the main page (where this request should have come from)
     redirect('/')

package/debian/matemat/DEBIAN/control

@@ -1,5 +1,5 @@
 Package: matemat
-Version: 0.2.4
+Version: 0.2.6
 Maintainer: s3lph <account-gitlab-ideynizv@kernelpanic.lol>
 Section: web
 Priority: optional

templates/productlist.html

@@ -34,8 +34,9 @@
                 </span><br/>
                 <div class="imgcontainer">
                     <img src="/static/upload/thumbnails/products/{{ product.id }}.png" alt="Picture of {{ product.name }}"/>
-                    {% if product.stockable %}
-                    <span class="thumblist-stock">{{ stock.get_stock(product) }}</span>
+                    {% set pstock = stock.get_stock(product) %}
+                    {% if pstock is not none %}
+                    <span class="thumblist-stock">{{ pstock }}</span>
                     {% endif %}
                 </div>
             </a>