Fixed #29 -- "Shop is live" flag

src/pretix/control/views/event.py

@@ -13,7 +13,9 @@ from django.views.generic.base import TemplateView
 from django.views.generic.detail import SingleObjectMixin
 
 from pretix.base.forms import I18nModelForm
-from pretix.base.models import Event, EventPermission, User
+from pretix.base.models import (
+    Event, EventPermission, Item, ItemVariation, User,
+)
 from pretix.base.signals import (
     register_payment_providers, register_ticket_outputs,
 )
@@ -423,3 +425,51 @@ class EventPermissions(EventPermissionRequiredMixin, TemplateView):
             'organizer': self.request.event.organizer.slug,
             'event': self.request.event.slug
         })
+
+
+class EventLive(EventPermissionRequiredMixin, TemplateView):
+    permission = 'can_change_settings'
+    template_name = 'pretixcontrol/event/live.html'
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['issues'] = self.issues
+        return ctx
+
+    @cached_property
+    def issues(self):
+        issues = []
+        has_paid_things = (
+            Item.objects.filter(event=self.request.event, default_price__gt=0).exists()
+            or ItemVariation.objects.filter(item__event=self.request.event, default_price__gt=0).exists()
+        )
+
+        has_payment_provider = False
+        responses = register_payment_providers.send(self.request.event)
+        for receiver, response in responses:
+            provider = response(self.request.event)
+            if provider.is_enabled:
+                has_payment_provider = True
+                break
+
+        if has_paid_things and not has_payment_provider:
+            issues.append(_('You have configured at least one paid product but have not enabled any payment methods.'))
+
+        return issues
+
+    def post(self, request, *args, **kwargs):
+        if request.POST.get("live") == "true" and not self.issues:
+            request.event.live = True
+            request.event.save()
+            messages.success(self.request, _('Your shop is live now!'))
+        elif request.POST.get("live") == "false":
+            request.event.live = False
+            request.event.save()
+            messages.success(self.request, _('We\'ve taken your shop down. You can re-enable it whenever you want!'))
+        return redirect(self.get_success_url())
+
+    def get_success_url(self) -> str:
+        return reverse('control:event.live', kwargs={
+            'organizer': self.request.event.organizer.slug,
+            'event': self.request.event.slug
+        })

src/pretix/control/views/event_dashboard.py

@@ -88,6 +88,24 @@ def quota_widgets(sender, **kwargs):
     return widgets
 
 
+@receiver(signal=event_dashboard_widgets)
+def shop_state_widget(sender, **kwargs):
+    return [{
+        'width': 3,
+        'priority': 1000,
+        'content': '<div class="shopstate">{t1}<br><span class="{cls}"><span class="fa {icon}"></span> {state}</span>{t2}</div>'.format(
+            t1=_('Your ticket shop is'), t2=_('Click here to change'),
+            state=_('live') if sender.live else _('not yet public'),
+            icon='fa-check-circle' if sender.live else 'fa-times-circle',
+            cls='live' if sender.live else 'off'
+        ),
+        'url': reverse('control:event.live', kwargs={
+            'event': sender.slug,
+            'organizer': sender.organizer.slug
+        })
+    }]
+
+
 def index(request, organizer, event):
     widgets = []
     for r, result in event_dashboard_widgets.send(sender=request.event):