Add GlobalSetting model

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)