Allow sending info mailings to retracted or only checked-in people

aleksis/apps/paweljong/models.py

@@ -51,6 +51,9 @@ class InfoMailing(ExtensibleModel):
     sender = models.EmailField(verbose_name=_("Sender"), blank=True)
     send_to_person = models.BooleanField(verbose_name=_("Send to registered person"), default=True)
     send_to_guardians = models.BooleanField(verbose_name=_("Send to guardians"), default=False)
+    send_to_retracted = models.BooleanField(verbose_name=_("Send to participants who retracted"), default=False)
+    send_to_not_checked_in = models.BooleanField(verbose_name=_("Send to participants who did not check in"), default=True)
+
 
     def __str__(self) -> str:
         return self.subject
@@ -64,7 +67,13 @@ class InfoMailing(ExtensibleModel):
             through = EventInfoMailingThrough.objects.get(info_mailing=self, event=event)
             sent_to = through.sent_to.all()
 
-            for registration in event.registrations.filter(retracted=False):
+            filter_args = {}
+            if not self.send_to_retracted:
+                filter_args["retracted"] = False
+            if not self.send_to_not_checked_in:
+                filter_args["checked_in"] = True
+
+            for registration in event.registrations.filter(**filter_args):
                 if registration.person in sent_to:
                     continue