Implement automatic sending of info mailings

aleksis/apps/paweljong/models.py

@@ -29,6 +29,8 @@ class InfoMailing(ExtensibleModel):
     text = RichTextField(verbose_name=_("Text"))
     reply_to = models.EmailField(verbose_name=_("Request replies to"), blank=True)
 
+    active = models.BooleanField(verbose_name=_("Mailing is active"), default=False)
+
     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)
 
@@ -37,6 +39,10 @@ class InfoMailing(ExtensibleModel):
     def __str__(self) -> str:
         return self.subject
 
+    @classmethod
+    def get_active_mailings(cls):
+        return cls.objects.filter(active=True)
+
     def send(self):
         sent_to = self.sent_to.all()
 

aleksis/apps/paweljong/tasks.py

+from datetime import timedelta
+
+from aleksis.core.celery import app
+
+
+@app.task(run_every=timedelta(hours=1))
+def send_info_mailings() -> None:
+    from .models import InfoMailing  # noqa
+    for mailing in InfoMailing.get_active_mailings():
+        mailing.send()