Improvements for bank transfer importing (#1762)

Co-authored-by: Raphael Michel <michel@rami.io>
Co-authored-by: Raphael Michel <mail@raphaelmichel.de>

src/pretix/plugins/banktransfer/migrations/0006_auto_20200901_1419.py

@@ -0,0 +1,30 @@
+# Generated by Django 3.0.9 on 2020-09-01 14:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('banktransfer', '0005_auto_20181023_2209'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='banktransaction',
+            name='bic',
+            field=models.CharField(default='', max_length=250),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='banktransaction',
+            name='date_parsed',
+            field=models.DateField(null=True),
+        ),
+        migrations.AddField(
+            model_name='banktransaction',
+            name='iban',
+            field=models.CharField(default='', max_length=250),
+            preserve_default=False,
+        ),
+    ]

src/pretix/plugins/banktransfer/migrations/0007_refundexport.py

@@ -0,0 +1,27 @@
+# Generated by Django 3.0.9 on 2020-09-09 15:43
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0162_remove_seat_name'),
+        ('banktransfer', '0006_auto_20200901_1419'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='RefundExport',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False)),
+                ('datetime', models.DateTimeField(auto_now_add=True)),
+                ('testmode', models.BooleanField(default=False)),
+                ('rows', models.TextField(default='[]')),
+                ('event', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='banktransfer_refund_exports', to='pretixbase.Event')),
+                ('organizer', models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='banktransfer_refund_exports', to='pretixbase.Organizer')),
+                ('downloaded', models.BooleanField(default=False)),
+            ],
+        ),
+    ]