Add GlobalSetting model

src/pretix/base/migrations/0043_globalsetting.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.2 on 2016-10-27 06:15
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0042_order_expires'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GlobalSetting',
+            fields=[
+                ('key', models.CharField(max_length=255, primary_key=True, serialize=False)),
+                ('value', models.TextField()),
+            ],
+        ),
+    ]

src/pretix/base/models/event.py

@@ -17,6 +17,7 @@ from pretix.base.settings import SettingsProxy
 
 from .auth import User
 from .organizer import Organizer
+from .settings import EventSetting
 
 
 class Event(LoggedModel):
@@ -263,16 +264,6 @@ class EventPermission(models.Model):
         }
 
 
-class EventSetting(models.Model):
-    """
-    An event settings is a key-value setting which can be set for a
-    specific event
-    """
-    object = models.ForeignKey(Event, related_name='setting_objects', on_delete=models.CASCADE)
-    key = models.CharField(max_length=255)
-    value = models.TextField()
-
-
 class EventLock(models.Model):
     event = models.CharField(max_length=36, primary_key=True)
     date = models.DateTimeField(auto_now=True)

src/pretix/base/models/organizer.py

@@ -7,6 +7,7 @@ from pretix.base.models.base import LoggedModel
 from pretix.base.settings import SettingsProxy
 
 from .auth import User
+from .settings import OrganizerSetting
 
 
 class Organizer(LoggedModel):
@@ -101,13 +102,3 @@ class OrganizerPermission(models.Model):
             'name': str(self.user),
             'object': str(self.organizer),
         }
-
-
-class OrganizerSetting(models.Model):
-    """
-    An event option is a key-value setting which can be set for an
-    organizer. It will be inherited by the events of this organizer
-    """
-    object = models.ForeignKey(Organizer, related_name='setting_objects', on_delete=models.CASCADE)
-    key = models.CharField(max_length=255)
-    value = models.TextField()

src/pretix/base/models/settings.py

@@ -0,0 +1,34 @@
+from django.db import models
+
+
+class GlobalSetting(models.Model):
+    """
+    A global setting is a key-value setting which can be set for a
+    pretix instance. It will be inherited by all events and organizers.
+    It is filled via the register_global_settings signal.
+    """
+    key = models.CharField(max_length=255, primary_key=True)
+    value = models.TextField()
+
+    def __init__(self, *args, object=None, **kwargs):
+        super().__init__(*args, **kwargs)
+
+
+class OrganizerSetting(models.Model):
+    """
+    An organizer setting is a key-value setting which can be set for an
+    organizer. It will be inherited by the events of this organizer
+    """
+    object = models.ForeignKey('Organizer', related_name='setting_objects', on_delete=models.CASCADE)
+    key = models.CharField(max_length=255)
+    value = models.TextField()
+
+
+class EventSetting(models.Model):
+    """
+    An event setting is a key-value setting which can be set for a
+    specific event
+    """
+    object = models.ForeignKey('Event', related_name='setting_objects', on_delete=models.CASCADE)
+    key = models.CharField(max_length=255)
+    value = models.TextField()