Allow to restrict availability of variations by date, sales channel, and voucher (#2202)

src/pretix/base/migrations/0197_auto_20210914_0814.py

@@ -0,0 +1,36 @@
+# Generated by Django 3.2.4 on 2021-09-14 08:14
+
+from django.db import migrations, models
+
+import pretix.base.models.fields
+import pretix.base.models.items
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0196_auto_20210523_1322'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='itemvariation',
+            name='available_from',
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='itemvariation',
+            name='available_until',
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='itemvariation',
+            name='hide_without_voucher',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='itemvariation',
+            name='sales_channels',
+            field=pretix.base.models.fields.MultiStringField(default=pretix.base.models.items._all_sales_channels_identifiers),
+        ),
+    ]