Add signals for customer account creation and sign in (#3470)

src/pretix/presale/views/customer.py

@@ -52,6 +52,7 @@ from pretix.base.customersso.oidc import (
 from pretix.base.models import Customer, InvoiceAddress, Order, OrderPosition
 from pretix.base.services.mail import mail
 from pretix.base.settings import PERSON_NAME_SCHEMES
+from pretix.base.signals import customer_created, customer_signed_in
 from pretix.helpers.compat import CompatDeleteView
 from pretix.helpers.http import redirect_to_url
 from pretix.multidomain.models import KnownDomain
@@ -151,7 +152,9 @@ class LoginView(RedirectBackMixin, FormView):
 
     def form_valid(self, form):
         """Security check complete. Log the user in."""
-        customer_login(self.request, form.get_customer())
+        customer = form.get_customer()
+        customer_login(self.request, customer)
+        customer_signed_in.send(customer.organizer, customer=customer)
         return HttpResponseRedirect(self.get_success_url())
 
 
@@ -237,7 +240,8 @@ class RegistrationView(RedirectBackMixin, FormView):
 
     def form_valid(self, form):
         with transaction.atomic():
-            form.create()
+            customer = form.create()
+            customer_created.send(customer.organizer, customer=customer)
         messages.success(
             self.request,
             _('Your account has been created. Please follow the link in the email we sent you to activate your '
@@ -756,6 +760,7 @@ class SSOLoginReturnView(RedirectBackMixin, View):
             )
             try:
                 customer.save(force_insert=True)
+                customer_created.send(customer.organizer, customer=customer)
             except IntegrityError:
                 # This might either be a race condition or the email address is taken
                 # by a different customer account
@@ -819,6 +824,7 @@ class SSOLoginReturnView(RedirectBackMixin, View):
             })
         else:
             customer_login(self.request, customer)
+            customer_signed_in.send(customer.organizer, customer=customer)
             return redirect_to_url(self.get_success_url(redirect_to))
 
     def _fail(self, message, popup_origin):