product upvote

products/templates/products/detail.html

@@ -19,7 +19,7 @@
             <img src="{{ product.image.url }}" class="img-fluid" \>
         </div>
         <div class="col-4">
-            <a href=""><button class="btn btn-primary btn-lg btn-block"><span class="oi oi-caret-top"></span> Up Vote : {{ product.votes_total }}</button></a>
+            <a href="javascript:{document.getElementById('upvote').submit()}"><button class="btn btn-primary btn-lg btn-block"><span class="oi oi-caret-top"></span> Up Vote : {{ product.votes_total }}</button></a>
         </div>
     </div>
     <hr />
@@ -37,4 +37,10 @@
             <p>{{ product.body }}</p>
         </div>
     </div>
+
+    <form id="upvote" method="POST" action="{% url 'upvote' product.id %}">
+        {% csrf_token %}
+        <input type="hidden">
+    </form>
+
 {% endblock %}

products/urls.py

@@ -4,4 +4,5 @@ from . import views
 urlpatterns = [
     path('create', views.create, name='create'),
     path('<int:product_id>/', views.detail, name='detail'),
+    path('<int:product_id>/upvote', views.upvote, name='upvote'),
     ]

products/views.py

@@ -35,3 +35,12 @@ def create(request):
 def detail(request, product_id):
     product = get_object_or_404(Product, pk=product_id)
     return render(request, 'products/detail.html', {'product': product})
+
+
+@login_required()
+def upvote(request, product_id):
+    if request.method == 'POST':
+        product = get_object_or_404(Product, pk=product_id)
+        product.votes_total += 1
+        product.save()
+        return redirect('/products/' + str(product.id))