From 1006b926c569db1e576737df000d295cfd14fee1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=AD=C3=B0ir=20Valberg=20Gu=C3=B0mundsson?=
 <valberg@orn.li>
Date: Thu, 29 Jul 2021 15:08:20 +0200
Subject: [PATCH] Add annotations that provide a per ticket type sales
 information.

---
 src/backoffice/templates/ticket_stats.html |  8 ++++++++
 src/tickets/models.py                      | 17 +++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/backoffice/templates/ticket_stats.html b/src/backoffice/templates/ticket_stats.html
index ecf34f02..ba890026 100644
--- a/src/backoffice/templates/ticket_stats.html
+++ b/src/backoffice/templates/ticket_stats.html
@@ -16,6 +16,10 @@
         <th>Ticket Type</th>
         <th class="text-center">Tickets Generated</th>
         <th class="text-center">Products</th>
+        <th class="text-center">Units Sold</th>
+        <th class="text-right">Total Income</th>
+        <th class="text-right">Total Cost</th>
+        <th class="text-right">Total Profit</th>
      </tr>
     </thead>
     <tbody>
@@ -24,6 +28,10 @@
       <td><a href="{% url 'backoffice:shop_ticket_stats_detail' camp_slug=camp.slug pk=tt.pk %}">{{ tt.name }}</a></td>
       <td class="text-center">{{ tt.shopticket_count }}</td>
       <td class="text-center">{{ tt.product_set.count }}</td>
+      <td class="text-center">{{ tt.total_units_sold }}</td>
+        <td class="text-right">{{ tt.total_income|floatformat:"2" }}&nbsp;DKK</td>
+        <td class="text-right">{{ tt.total_cost|floatformat:"2" }}&nbsp;DKK</td>
+        <td class="text-right">{{ tt.total_profit|floatformat:"2" }}&nbsp;DKK</td>
     </tr>
     {% endfor %}
     </tbody>
diff --git a/src/tickets/models.py b/src/tickets/models.py
index 92524c90..14aaf2ee 100644
--- a/src/tickets/models.py
+++ b/src/tickets/models.py
@@ -6,6 +6,7 @@ import logging
 import qrcode
 from django.conf import settings
 from django.db import models
+from django.db.models import Sum, Count, F
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
@@ -17,8 +18,20 @@ logger = logging.getLogger("bornhack.%s" % __name__)
 
 class TicketTypeManager(models.Manager):
     def with_price_stats(self):
-        return self.annotate(shopticket_count=models.Count("shopticket")).exclude(
-            shopticket_count=0
+        total_units_sold = Sum("shopticket__opr__quantity", distinct=True)
+        cost = F("shopticket__opr__quantity") * F("shopticket__opr__product__cost")
+        income = F("shopticket__opr__quantity") * F("shopticket__opr__product__price")
+        profit = income - cost
+        total_cost = Sum(cost, distinct=True)
+        total_profit = Sum(profit, distinct=True)
+        total_income = Sum(income, distinct=True)
+
+        return (
+            self.filter(shopticket__isnull=False)
+            .annotate(total_units_sold=total_units_sold)
+            .annotate(total_income=total_income)
+            .annotate(total_cost=total_cost)
+            .annotate(total_profit=total_profit)
         )