Display individual price at event detail page

aleksis/apps/paweljong/models.py

@@ -188,6 +188,15 @@ class Event(ExtensibleModel):
     def get_absolute_url(self):
         return reverse("event_by_name", kwargs={"slug": self.slug})
 
+    def individual_cost(self, request=None):
+        if request and request.user.is_authenticated:
+            if Voucher.objects.filter(event=self, person=request.user.person, used=False).exists():
+                voucher = Voucher.objects.get(event=self, person=request.user.person, used=False)
+                individual_cost = voucher.discount * self.cost / 100
+                return individual_cost
+        else:
+            return self.cost
+
     @property
     def booked_percentage(self):
         return self.linked_group.members.count() / self.max_participants * 100

aleksis/apps/paweljong/templates/paweljong/event/detail.html

@@ -50,7 +50,7 @@
           <tr>
             <td><i class="material-icons small">money</i></td>
             <td colspan="2">{% trans "Participation fee (all inclusive)" %}</td>
-            <td>{{ event.cost }}</td>
+            <td>{{ individual_cost }}</td>
           </tr>
           <tr>
             <td><i class="material-icons small">group</i></td>

aleksis/apps/paweljong/templates/paweljong/event/full.html

@@ -34,7 +34,7 @@
             <tr>
               <td><i class="material-icons small">money</i></td>
               <td colspan="2">{% trans "Participation fee (all inclusive)" %}</td>
-              <td>{{ event.cost }}</td>
+              <td>{{ individual_cost }}</td>
             </tr>
             <tr>
               <td><i class="material-icons small">group</i></td>

aleksis/apps/paweljong/views.py

@@ -691,6 +691,8 @@ class EventFullView(PermissionRequiredMixin, DetailView):
 
         context["can_register"] = context["event"].can_register(request=self.request)
         context["is_authenticated"] = self.request.user.is_authenticated
+        context["individual_cost"] = context["event"].individual_cost(request=self.request)
+
         return context