Added locale settings to event creation

src/pretix/base/models/event.py

@@ -162,7 +162,11 @@ class Event(LoggedModel):
         """
         Returns an object representing this event's settings
         """
-        return SettingsProxy(self, type=EventSetting, parent=self.organizer)
+        try:
+            return SettingsProxy(self, type=EventSetting, parent=self.organizer)
+        except Organizer.DoesNotExist:
+            # Should only happen when creating new events
+            return SettingsProxy(self, type=EventSetting)
 
     @property
     def presale_has_ended(self):

src/pretix/control/forms/event.py

@@ -40,6 +40,29 @@ class EventCreateForm(I18nModelForm):
         return slug
 
 
+class EventCreateSettingsForm(SettingsForm):
+    timezone = forms.ChoiceField(
+        choices=((a, a) for a in common_timezones),
+        label=_("Default timezone"),
+    )
+    locales = forms.MultipleChoiceField(
+        choices=settings.LANGUAGES,
+        label=_("Available langauges"),
+    )
+    locale = forms.ChoiceField(
+        choices=settings.LANGUAGES,
+        label=_("Default language"),
+    )
+
+    def clean(self):
+        data = super().clean()
+        if data['locale'] not in data['locales']:
+            raise ValidationError({
+                'locale': _('Your default locale must also be enebled for your event (see box above).')
+            })
+        return data
+
+
 class EventUpdateForm(I18nModelForm):
     def clean_slug(self):
         return self.instance.slug

src/pretix/control/templates/pretixcontrol/events/create.html

@@ -15,6 +15,12 @@
             {% bootstrap_field form.date_to layout="horizontal" %}
             {% bootstrap_field form.currency layout="horizontal" %}
         </fieldset>
+        <fieldset>
+            <legend>{% trans "Display settings" %}</legend>
+            {% bootstrap_field sform.locales layout="horizontal" %}
+            {% bootstrap_field sform.locale layout="horizontal" %}
+            {% bootstrap_field sform.timezone layout="horizontal" %}
+        </fieldset>
         <fieldset>
             <legend>{% trans "Timeline" %}</legend>
             {% bootstrap_field form.presale_start layout="horizontal" %}

src/pretix/control/views/main.py

@@ -1,12 +1,15 @@
 from django.conf import settings
 from django.contrib import messages
 from django.core.urlresolvers import reverse
-from django.shortcuts import render
+from django.db import transaction
+from django.utils.functional import cached_property
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import CreateView, ListView, TemplateView
 
 from pretix.base.models import Event, EventPermission, OrganizerPermission
-from pretix.control.forms.event import EventCreateForm
+from pretix.control.forms.event import (
+    EventCreateForm, EventCreateSettingsForm, EventSettingsForm,
+)
 from pretix.control.permissions import OrganizerPermissionRequiredMixin
 
 
@@ -44,7 +47,28 @@ class EventCreate(OrganizerPermissionRequiredMixin, CreateView):
     context_object_name = 'event'
     permission = 'can_create_events'
 
+    @cached_property
+    def sform(self):
+        return EventCreateSettingsForm(
+            obj=Event(),
+            prefix='settings',
+            data=self.request.POST if self.request.method == 'POST' else None
+        )
+
+    def post(self, request, *args, **kwargs):
+        form = self.get_form()
+        if form.is_valid() and self.sform.is_valid():
+            return self.form_valid(form)
+        else:
+            return self.form_invalid(form)
+
+    def get_context_data(self, *args, **kwargs) -> dict:
+        context = super().get_context_data(*args, **kwargs)
+        context['sform'] = self.sform
+        return context
+
     def dispatch(self, request, *args, **kwargs):
+        self.object = Event()
         return super().dispatch(request, *args, **kwargs)
 
     def get_form_kwargs(self):
@@ -52,6 +76,7 @@ class EventCreate(OrganizerPermissionRequiredMixin, CreateView):
         kwargs['organizer'] = self.request.organizer
         return kwargs
 
+    @transaction.atomic
     def form_valid(self, form):
         messages.success(self.request, _('The new event has been created.'))
         form.instance.organizer = self.request.organizer
@@ -62,6 +87,12 @@ class EventCreate(OrganizerPermissionRequiredMixin, CreateView):
         self.object = form.instance
         self.object.plugins = settings.PRETIX_PLUGINS_DEFAULT
         self.object.save()
+
+        self.sform.obj = form.instance
+        self.sform.save()
+        form.instance.log_action('pretix.event.settings', user=self.request.user, data={
+            k: form.instance.settings.get(k) for k in self.sform.changed_data
+        })
         return ret
 
     def get_success_url(self) -> str: