Provide support for manipulting order status

src/pretix/base/migrations/0022_auto_20150320_2239.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0021_auto_20150320_1622'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='order',
+            name='payment_manual',
+            field=models.BooleanField(verbose_name='Payment state was manually modified', default=False),
+        ),
+        migrations.AlterField(
+            model_name='order',
+            name='status',
+            field=models.CharField(verbose_name='Status', max_length=3, choices=[('n', 'pending'), ('p', 'paid'), ('e', 'expired'), ('c', 'cancelled'), ('r', 'refunded')]),
+        ),
+    ]

src/pretix/base/models.py

@@ -1537,6 +1537,10 @@ class Order(Versionable):
         verbose_name=_("Payment information"),
         null=True, blank=True
     )
+    payment_manual = models.BooleanField(
+        verbose_name=_("Payment state was manually modified"),
+        default=False
+    )
     total = models.DecimalField(
         decimal_places=2, max_digits=10,
         verbose_name=_("Total amount")
@@ -1590,7 +1594,7 @@ class Order(Versionable):
                 return True
         return False  # nothing there to modify
 
-    def mark_paid(self, provider, info, date=None):
+    def mark_paid(self, provider=None, info=None, date=None, manual=None):
         """
         Mark this order as paid. This clones the order object, sets the payment provider,
         info and date and returns the cloned order object.
@@ -1604,9 +1608,11 @@ class Order(Versionable):
         :type date: datetime
         """
         order = self.clone()
-        order.payment_provider = provider
-        order.payment_info = info
+        order.payment_provider = provider or order.payment_provider
+        order.payment_info = info or order.payment_info
         order.payment_date = date or now()
+        if manual is not None:
+            order.payment_manual = manual
         order.status = Order.STATUS_PAID
         order.save()
         return order