make baseticket inherit directly from uuidmodel and createdupdatedmodel

src/tickets/migrations/0005_auto_20170819_2109.py

@@ -0,0 +1,89 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-08-19 19:09
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tickets', '0004_auto_20170818_1303'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='baseticket',
+            name='id',
+        ),
+        migrations.RemoveField(
+            model_name='discountticket',
+            name='created',
+        ),
+        migrations.RemoveField(
+            model_name='discountticket',
+            name='updated',
+        ),
+        migrations.RemoveField(
+            model_name='discountticket',
+            name='uuid',
+        ),
+        migrations.RemoveField(
+            model_name='shopticket',
+            name='created',
+        ),
+        migrations.RemoveField(
+            model_name='shopticket',
+            name='updated',
+        ),
+        migrations.RemoveField(
+            model_name='shopticket',
+            name='uuid',
+        ),
+        migrations.RemoveField(
+            model_name='sponsorticket',
+            name='created',
+        ),
+        migrations.RemoveField(
+            model_name='sponsorticket',
+            name='updated',
+        ),
+        migrations.RemoveField(
+            model_name='sponsorticket',
+            name='uuid',
+        ),
+        migrations.AddField(
+            model_name='baseticket',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='baseticket',
+            name='updated',
+            field=models.DateTimeField(auto_now=True),
+        ),
+        migrations.AddField(
+            model_name='baseticket',
+            name='uuid',
+            field=models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False),
+        ),
+        migrations.AlterField(
+            model_name='discountticket',
+            name='baseticket_ptr',
+            field=models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='tickets.BaseTicket'),
+        ),
+        migrations.AlterField(
+            model_name='shopticket',
+            name='baseticket_ptr',
+            field=models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='tickets.BaseTicket'),
+        ),
+        migrations.AlterField(
+            model_name='sponsorticket',
+            name='baseticket_ptr',
+            field=models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='tickets.BaseTicket'),
+        ),
+    ]

src/tickets/models.py

@@ -27,7 +27,7 @@ class TicketType(CreatedUpdatedModel, UUIDModel):
         return '{} ({})'.format(self.name, self.camp.title)
 
 
-class BaseTicket(models.Model):
+class BaseTicket(CreatedUpdatedModel, UUIDModel):
     qrcode_base64 = models.TextField(null=True, blank=True)
     ticket_type = models.ForeignKey('TicketType')
     checked_in = models.BooleanField(default=False)
@@ -67,14 +67,14 @@ class BaseTicket(models.Model):
         )
 
 
-class SponsorTicket(BaseTicket, CreatedUpdatedModel, UUIDModel):
+class SponsorTicket(BaseTicket):
     sponsor = models.ForeignKey('sponsors.Sponsor')
 
     def __str__(self):
         return 'SponsorTicket: {}'.format(self.pk)
 
 
-class DiscountTicket(BaseTicket, CreatedUpdatedModel, UUIDModel):
+class DiscountTicket(BaseTicket):
     price = models.IntegerField(
         help_text=_('Price of the discounted ticket (in DKK, including VAT).')
     )
@@ -83,7 +83,7 @@ class DiscountTicket(BaseTicket, CreatedUpdatedModel, UUIDModel):
         return 'DiscountTicket: {}'.format(self.pk)
 
 
-class ShopTicket(BaseTicket, CreatedUpdatedModel, UUIDModel):
+class ShopTicket(BaseTicket):
     order = models.ForeignKey('shop.Order', related_name='shoptickets')
     product = models.ForeignKey('shop.Product')
 
@@ -125,3 +125,4 @@ class ShopTicket(BaseTicket, CreatedUpdatedModel, UUIDModel):
 
     def get_absolute_url(self):
         return str(reverse_lazy('shop:ticket_detail', kwargs={'pk': self.pk}))
+