From 8042d9d3f446bbf342e6921a2512bfaed9c3ac8a Mon Sep 17 00:00:00 2001
From: Mira Weller <weller@rami.io>
Date: Tue, 30 Apr 2024 21:17:44 +0200
Subject: [PATCH] Scope time machine state per event

---
 src/pretix/base/timemachine.py        | 4 ++--
 src/pretix/presale/views/event.py     | 8 ++++----
 src/tests/presale/test_timemachine.py | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/pretix/base/timemachine.py b/src/pretix/base/timemachine.py
index 1c4ab4f89f..e8848c8372 100644
--- a/src/pretix/base/timemachine.py
+++ b/src/pretix/base/timemachine.py
@@ -30,9 +30,9 @@ timemachine_now_var = contextvars.ContextVar('timemachine_now', default=None)
 
 @contextmanager
 def time_machine_now_assigned_from_request(request):
-    if hasattr(request, 'event') and 'timemachine_now_dt' in request.session and \
+    if hasattr(request, 'event') and f'timemachine_now_dt:{request.event.pk}' in request.session and \
             request.event.testmode and has_time_machine_permission(request, request.event):
-        request.now_dt = parse(request.session['timemachine_now_dt'])
+        request.now_dt = parse(request.session[f'timemachine_now_dt:{request.event.pk}'])
         request.now_dt_is_fake = True
     else:
         request.now_dt = now()
diff --git a/src/pretix/presale/views/event.py b/src/pretix/presale/views/event.py
index 578f348351..6ecbf19d7e 100644
--- a/src/pretix/presale/views/event.py
+++ b/src/pretix/presale/views/event.py
@@ -947,8 +947,8 @@ class EventTimeMachine(EventViewMixin, TemplateView):
         self.timemachine_form = TimemachineForm(
             data=request.method == 'POST' and request.POST or None,
             initial=(
-                {'now_dt': parser.parse(request.session.get('timemachine_now_dt', None))}
-                if request.session.get('timemachine_now_dt', None) else {}
+                {'now_dt': parser.parse(request.session.get(f'timemachine_now_dt:{request.event.pk}', None))}
+                if request.session.get(f'timemachine_now_dt:{request.event.pk}', None) else {}
             )
         )
 
@@ -959,11 +959,11 @@ class EventTimeMachine(EventViewMixin, TemplateView):
 
     def post(self, request, *args, **kwargs):
         if request.POST.get("timemachine_disable"):
-            del request.session['timemachine_now_dt']
+            del request.session[f'timemachine_now_dt:{request.event.pk}']
             messages.success(self.request, _('Time machine disabled!'))
             return redirect(self.get_success_url())
         elif self.timemachine_form.is_valid():
-            request.session['timemachine_now_dt'] = str(self.timemachine_form.cleaned_data['now_dt'])
+            request.session[f'timemachine_now_dt:{request.event.pk}'] = str(self.timemachine_form.cleaned_data['now_dt'])
             return redirect(eventreverse(request.event, "presale:event.index"))
         else:
             return self.get(request)
diff --git a/src/tests/presale/test_timemachine.py b/src/tests/presale/test_timemachine.py
index 48a230f53d..0eed1de6de 100644
--- a/src/tests/presale/test_timemachine.py
+++ b/src/tests/presale/test_timemachine.py
@@ -35,7 +35,7 @@ class TimemachineTestMixin:
 
     def _set_time_machine_now(self, dt):
         session = self.client.session
-        session['timemachine_now_dt'] = str(dt)
+        session[f'timemachine_now_dt:{self.event.pk}'] = str(dt)
         session.save()
 
     def _enable_test_mode(self):