Introduce RequiredAction model

Fix #343 by no longer marking as refunded automatically

src/pretix/base/migrations/0053_auto_20170104_1252.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.4 on 2017-01-04 12:52
+from __future__ import unicode_literals
+
+import django.core.validators
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+import pretix.base.validators
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0052_auto_20161231_1533'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='RequiredAction',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('datetime', models.DateTimeField(auto_now_add=True, db_index=True)),
+                ('done', models.BooleanField(default=False)),
+                ('action_type', models.CharField(max_length=255)),
+                ('data', models.TextField(default='{}')),
+            ],
+            options={
+                'ordering': ('datetime',),
+            },
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='slug',
+            field=models.SlugField(help_text='Should be short, only contain lowercase letters and numbers, and must be unique among your events. This will be used in order codes, invoice numbers, links and bank transfer references.', validators=[django.core.validators.RegexValidator(message='The slug may only contain letters, numbers, dots and dashes.', regex='^[a-zA-Z0-9.-]+$'), pretix.base.validators.EventSlugBlacklistValidator()], verbose_name='Short form'),
+        ),
+        migrations.AddField(
+            model_name='requiredaction',
+            name='event',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='pretixbase.Event'),
+        ),
+        migrations.AddField(
+            model_name='requiredaction',
+            name='user',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL),
+        ),
+    ]