Fix #515 -- Add check-in lists (#693)

* Data model and migration

* Some backwards compatibility

* CRUD for checkin lists

* Show and perform checkins

* Correct numbers in table and dashboard widget

* event creation and cloning

* Allow to link specific exports and pass options per query

* Play with the CSV export

* PDF export

* Collapse exports by default

* Improve PDF exporter

* Addon stuff

* Subevent stuff, pretixdroid tests

* pretixdroid tests

* Add CRUD API

* Test compatibility

* Fix test

* DB-independent sorting behavior

* Add CRUD and coyp tests

* Re-enable pretixdroid plugin

* pretixdroid config

* Tests & fixes

src/pretix/control/views/main.py

@@ -15,6 +15,7 @@ from django.views.generic import ListView
 from formtools.wizard.views import SessionWizardView
 from i18nfield.strings import LazyI18nString
 
+from pretix.base.i18n import language
 from pretix.base.models import Event, Organizer, Quota, Team
 from pretix.control.forms.event import (
     EventWizardBasicsForm, EventWizardCopyForm, EventWizardFoundationForm,
@@ -143,7 +144,7 @@ class EventWizard(SessionWizardView):
         basics_data = self.get_cleaned_data_for_step('basics')
         copy_data = self.get_cleaned_data_for_step('copy')
 
-        with transaction.atomic():
+        with transaction.atomic(), language(basics_data['locale']):
             event = form_dict['basics'].instance
             event.organizer = foundation_data['organizer']
             event.plugins = settings.PRETIX_PLUGINS_DEFAULT
@@ -165,7 +166,7 @@ class EventWizard(SessionWizardView):
                 t.limit_events.add(event)
 
             if event.has_subevents:
-                event.subevents.create(
+                se = event.subevents.create(
                     name=event.name,
                     date_from=event.date_from,
                     date_to=event.date_to,
@@ -191,6 +192,17 @@ class EventWizard(SessionWizardView):
             if copy_data and copy_data['copy_from_event']:
                 from_event = copy_data['copy_from_event']
                 event.copy_data_from(from_event)
+            elif event.has_subevents:
+                event.checkin_lists.create(
+                    name=str(se),
+                    all_products=True,
+                    subevent=se
+                )
+            else:
+                event.checkin_lists.create(
+                    name=_('Default'),
+                    all_products=True
+                )
 
             event.settings.set('timezone', basics_data['timezone'])
             event.settings.set('locale', basics_data['locale'])