Show invoices only if the user's invoice were imported

Else fallback to orders url as before

hosting/templates/hosting/dashboard.html

@@ -26,7 +26,7 @@
                         <img class="svg-img" src="{% static 'hosting/img/key.svg' %}">
                     </div>
                 </a>
-                <a href="{% url 'hosting:invoices' %}" class="hosting-dashboard-item">
+                <a href="{% if has_invoices %}{% url 'hosting:invoices' %}{% else %}{% url 'hosting:orders' %}{% endif %}" class="hosting-dashboard-item">
                     <h2>{% trans "My Bills" %}</h2>
                     <div class="hosting-dashboard-image">
                         <img class="svg-img" src="{% static 'hosting/img/billing.svg' %}">

hosting/views.py

@@ -83,6 +83,14 @@ class DashboardView(LoginRequiredMixin, View):
     @method_decorator(decorators)
     def get(self, request, *args, **kwargs):
         context = self.get_context_data()
+        try:
+            MonthlyHostingBill.objects.get(email=self.request.user.email)
+            context['has_invoices'] = True
+        except MonthlyHostingBill.DoesNotExist as dne:
+            logger.error("{}'s monthly hosting bill not imported ?".format(
+                self.request.user.email
+            ))
+            context['has_invoices'] = False
         return render(request, self.template_name, context)