no message

main/views.py

@@ -48,6 +48,7 @@ def temp_count_update(request, article):
         product = ProductVariation.objects.get(article__iexact=article)
         count = request.GET.get('count', None)
         if count != None:
+            count = count.replace(',', '.')
             if int(count) < 0:
                 count = 0
             product.in_stock = int(count)

store/admin.py

@@ -64,6 +64,11 @@ class ProductVariationInline(admin.TabularInline):
     fields = ['variation', 'article', 'price', 'weight', 'in_stock', 'discount']
     extra = 1
 
+@admin.register(ProductVariation)
+class ProductVariationAdmin(admin.ModelAdmin):
+    model = ProductVariation
+    list_display = ['product', 'variation', 'article', 'price', 'weight', 'in_stock', 'discount']
+
 
 @admin.register(Product)
 class ProductAdmin(admin.ModelAdmin):