add used_time to BaseTicket model so we know when tickets were checked in/used

src/backoffice/views/infodesk.py

@@ -3,6 +3,7 @@ from itertools import chain
 
 from django.contrib import messages
 from django.contrib.auth.mixins import LoginRequiredMixin
+from django.utils import timezone
 from django.views.generic import ListView, TemplateView
 
 from camps.mixins import CampViewMixin
@@ -121,6 +122,7 @@ class ScanTicketsView(
         check_in_ticket_id = request.POST.get("check_in_ticket_id")
         ticket_to_check_in = _ticket_getter_by_pk(check_in_ticket_id)
         ticket_to_check_in.used = True
+        ticket_to_check_in.used_time = timezone.now()
         ticket_to_check_in.save()
         messages.info(request, "Ticket checked-in!")
         return ticket_to_check_in

src/tickets/migrations/0019_auto_20210802_1756.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.5 on 2021-08-02 17:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("tickets", "0018_remove_shopticket_order"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="discountticket",
+            name="used_time",
+            field=models.DateTimeField(null=True),
+        ),
+        migrations.AddField(
+            model_name="shopticket",
+            name="used_time",
+            field=models.DateTimeField(null=True),
+        ),
+        migrations.AddField(
+            model_name="sponsorticket",
+            name="used_time",
+            field=models.DateTimeField(null=True),
+        ),
+    ]

src/tickets/migrations/0020_populate_ticket_used_when.py

@@ -0,0 +1,30 @@
+# Generated by Django 3.2.5 on 2021-08-02 17:56
+
+from django.db import migrations
+
+
+def populate_ticket_used_when(apps, schema_editor):
+    ShopTicket = apps.get_model("tickets", "ShopTicket")
+    SponsorTicket = apps.get_model("tickets", "SponsorTicket")
+    DiscountTicket = apps.get_model("tickets", "DiscountTicket")
+
+    for st in ShopTicket.objects.filter(used_time__isnull=True, used=True):
+        st.used_when = st.updated
+        st.save()
+
+    for st in SponsorTicket.objects.filter(used_time__isnull=True, used=True):
+        st.used_when = st.updated
+        st.save()
+
+    for dt in DiscountTicket.objects.filter(used_time__isnull=True, used=True):
+        st.used_when = st.updated
+        st.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("tickets", "0019_auto_20210802_1756"),
+    ]
+
+    operations = [migrations.RunPython(populate_ticket_used_when)]

src/tickets/models.py

@@ -98,6 +98,7 @@ def qr_code_base64(token):
 class BaseTicket(CampRelatedModel, UUIDModel):
     ticket_type = models.ForeignKey("TicketType", on_delete=models.PROTECT)
     used = models.BooleanField(default=False)
+    used_time = models.DateTimeField(null=True)
     badge_handed_out = models.BooleanField(default=False)
     token = models.CharField(max_length=64, blank=True)
     badge_token = models.CharField(max_length=64, blank=True)