UI for creating and chacnging vouchers

src/pretix/base/migrations/0003_eventpermission_can_change_vouchers.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9 on 2016-02-09 09:59
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0002_auto_20160209_0940'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eventpermission',
+            name='can_change_vouchers',
+            field=models.BooleanField(default=True, verbose_name='Can change vouchers'),
+        ),
+    ]

src/pretix/base/migrations/0004_auto_20160209_1023.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9 on 2016-02-09 10:23
+from __future__ import unicode_literals
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0003_eventpermission_can_change_vouchers'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='voucher',
+            name='item',
+        ),
+        migrations.AddField(
+            model_name='voucher',
+            name='item',
+            field=models.ForeignKey(default=None, help_text="This product is added to the user's cart if the voucher is redeemed.", on_delete=django.db.models.deletion.CASCADE, related_name='vouchers', to='pretixbase.Item', verbose_name='Product'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='voucher',
+            name='price',
+            field=models.DecimalField(blank=True, decimal_places=2, help_text='If empty, the product will cost its normal price.', max_digits=10, null=True, verbose_name='Set product price to'),
+        ),
+    ]