Include global settings in event/organizer settings

Also, add tests

src/pretix/control/forms/global_settings.py

@@ -4,18 +4,10 @@ from django.utils.translation import ugettext_lazy as _
 
 from pretix.base.forms import SettingsForm
 from pretix.base.i18n import I18nFormField, I18nTextInput
-from pretix.base.models.settings import GlobalSetting
-from pretix.base.settings import SettingsProxy
+from pretix.base.settings import GlobalSettingsObject
 from pretix.base.signals import register_global_settings
 
 
-class GlobalSettingsObject:
-    def __init__(self):
-        self.settings = SettingsProxy(self, type=GlobalSetting)
-        self.setting_objects = GlobalSetting.objects
-        self.slug = 'GLOBALSETTINGS'
-
-
 class GlobalSettingsForm(SettingsForm):
     def __init__(self, *args, **kwargs):
         self.obj = GlobalSettingsObject()

src/pretix/control/permissions.py

@@ -92,7 +92,7 @@ class OrganizerPermissionRequiredMixin:
         return organizer_permission_required(cls.permission)(view)
 
 
-def administrator_permission_required(permission):
+def administrator_permission_required():
     """
     This view decorator rejects all requests with a 403 response which are not from
     users with the is_superuser flag.
@@ -114,9 +114,7 @@ class AdministratorPermissionRequiredMixin:
     This mixin is equivalent to the administrator_permission_required view decorator but
     is in a form suitable for class-based views.
     """
-    permission = ''
-
     @classmethod
     def as_view(cls, **initkwargs):
         view = super(AdministratorPermissionRequiredMixin, cls).as_view(**initkwargs)
-        return administrator_permission_required(cls.permission)(view)
+        return administrator_permission_required()(view)

src/pretix/control/templates/pretixcontrol/global_settings.html

@@ -8,7 +8,7 @@
     <form action="" method="post" class="form-horizontal">
         {% csrf_token %}
         {% bootstrap_form_errors form %}
-        {% bootstrap_form form %}
+        {% bootstrap_form form layout='horizontal' %}
         <div class="form-group submit-group">
             <button type="submit" class="btn btn-primary btn-save">
                 {% trans "Save" %}

src/pretix/control/views/global_settings.py

@@ -1,3 +1,4 @@
+from django.shortcuts import reverse
 from django.views.generic import FormView
 
 from pretix.control.forms.global_settings import GlobalSettingsForm
@@ -13,5 +14,4 @@ class GlobalSettingsView(AdministratorPermissionRequiredMixin, FormView):
         return super().form_valid(form)
 
     def get_success_url(self):
-        from django.shortcuts import reverse
         return reverse('control:global-settings')