Create new events

src/pretix/control/views/main.py

@@ -1,7 +1,13 @@
+from django import forms
+from django.contrib import messages
+from django.core.urlresolvers import reverse
 from django.shortcuts import render
-from django.views.generic import ListView
+from django.views.generic import ListView, CreateView, TemplateView
+from django.utils.translation import ugettext_lazy as _
+from pretix.base.forms import VersionedModelForm
 
-from pretix.base.models import Event
+from pretix.base.models import Event, EventPermission, Organizer, OrganizerPermission
+from pretix.control.permissions import OrganizerPermissionRequiredMixin
 
 
 class EventList(ListView):
@@ -20,3 +26,79 @@ class EventList(ListView):
 
 def index(request):
     return render(request, 'pretixcontrol/base.html', {})
+
+
+class EventForm(VersionedModelForm):
+    error_messages = {
+        'duplicate_slug': _("You already used this slug for a different event. Please choose a new one."),
+    }
+
+    class Meta:
+        model = Event
+        fields = [
+            'name',
+            'slug',
+            'currency',
+            'date_from',
+            'date_to',
+            'presale_start',
+            'presale_end'
+        ]
+
+    def __init__(self, *args, **kwargs):
+        self.organizer = kwargs.pop('organizer')
+        super().__init__(*args, **kwargs)
+
+    def clean_slug(self):
+        slug = self.cleaned_data['slug']
+        if Event.objects.filter(slug=slug, organizer=self.organizer).exists():
+            raise forms.ValidationError(
+                self.error_messages['duplicate_slug'],
+                code='duplicate_slug',
+            )
+        return slug
+
+
+class EventCreateStart(TemplateView):
+    template_name = 'pretixcontrol/events/start.html'
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['organizers'] = [
+            p.organizer for p in OrganizerPermission.objects.current.filter(
+                user=self.request.user, can_create_events=True
+            ).select_related("organizer")
+        ]
+        return ctx
+
+
+class EventCreate(OrganizerPermissionRequiredMixin, CreateView):
+    model = Event
+    form_class = EventForm
+    template_name = 'pretixcontrol/events/create.html'
+    context_object_name = 'event'
+    permission = 'can_create_events'
+
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs['organizer'] = self.request.organizer
+        return kwargs
+
+    def form_valid(self, form):
+        messages.success(self.request, _('The new event has been created.'))
+        form.instance.organizer = self.request.organizer
+        ret = super().form_valid(form)
+        EventPermission.objects.create(
+            event=form.instance, user=self.request.user,
+        )
+        self.object = form.instance
+        return ret
+
+    def get_success_url(self) -> str:
+        return reverse('control:event.settings', kwargs={
+            'organizer': self.request.organizer.slug,
+            'event': self.object.slug,
+        })