From c79644e0022be7e5dee73151c044ec77c04f51a4 Mon Sep 17 00:00:00 2001
From: Phin Wolkwitz <wolkwitz@rami.io>
Date: Tue, 22 Sep 2026 18:58:07 +0200
Subject: [PATCH] [wip] Add migration to activate plugin, add plugin active
 check before run (23243588)

---
 ..._plugin_for_events_with_scheduled_mails.py | 29 +++++++++++++++++++
 src/pretix/plugins/sendmail/signals.py        |  2 ++
 2 files changed, 31 insertions(+)
 create mode 100644 src/pretix/plugins/sendmail/migrations/0013_activate_plugin_for_events_with_scheduled_mails.py

diff --git a/src/pretix/plugins/sendmail/migrations/0013_activate_plugin_for_events_with_scheduled_mails.py b/src/pretix/plugins/sendmail/migrations/0013_activate_plugin_for_events_with_scheduled_mails.py
new file mode 100644
index 000000000..7a62e643f
--- /dev/null
+++ b/src/pretix/plugins/sendmail/migrations/0013_activate_plugin_for_events_with_scheduled_mails.py
@@ -0,0 +1,29 @@
+from django.db import migrations
+from django.db.models import Exists, OuterRef
+
+
+def activate_plugin(apps, schema_editor):
+    Event = apps.get_model("pretixbase", "Event")
+    ScheduledMail = apps.get_model("sendmail", "ScheduledMail")
+    events = (
+        Event.objects
+        .exclude(plugins__icontains="pretix.plugins.sendmail")
+        .filter(
+            Exists(
+                ScheduledMail.objects.filter(event=OuterRef('pk')).exclude(state=ScheduledMail.STATE_COMPLETED)
+            )
+        )
+    )
+    for event in events:
+        event.enable_plugin('pretix.plugins.sendmail')
+        event.save(update_fields=['plugins'])
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("sendmail", "0012_remove_cross_event_scheduled_mails"),
+    ]
+
+    operations = [
+        migrations.RunPython(activate_plugin),
+    ]
diff --git a/src/pretix/plugins/sendmail/signals.py b/src/pretix/plugins/sendmail/signals.py
index 76626097f..bdc512a28 100644
--- a/src/pretix/plugins/sendmail/signals.py
+++ b/src/pretix/plugins/sendmail/signals.py
@@ -150,6 +150,8 @@ class SendmailPluginRuleLogEntryType(EventLogEntryType):
 
 @receiver(periodic_task)
 def sendmail_run_rules(sender, **kwargs):
+    if "pretix.plugins.sendmail" not in sender.get_plugins():
+        return  # do not send scheduled mails if this plugin is disabled
     with scopes_disabled():
         mails = ScheduledMail.objects.all()