initial commit after split

src/govoplan_core/celery_app.py

@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+from celery import Celery
+
+from govoplan_core.settings import settings
+from govoplan_core.db.session import configure_database
+
+configure_database(settings.database_url)
+
+celery = Celery(
+    "multimailer",
+    broker=settings.redis_url,
+    backend=settings.redis_url,
+)
+
+celery.conf.update(
+    task_default_queue="default",
+    task_routes={
+        "multimailer.send_email": {"queue": "send_email"},
+        "multimailer.append_sent": {"queue": "append_sent"},
+    },
+    worker_prefetch_multiplier=1,
+    task_acks_late=True,
+    task_reject_on_worker_lost=True,
+)
+
+
+@celery.task(name="multimailer.ping")
+def ping():
+    return "pong"
+
+
+@celery.task(name="multimailer.send_email", bind=True, max_retries=0)
+def send_email(self, job_id: str):
+    """Send one explicitly queued campaign job.
+
+    SMTP failures are persisted but are not retried implicitly. A worker-loss
+    redelivery is safe because the delivery service converts an unfinished
+    SMTP attempt into ``outcome_unknown`` instead of transmitting again.
+    """
+
+    from govoplan_core.db.session import get_database
+    from govoplan_campaign.backend.sending.jobs import send_campaign_job
+
+    with get_database().SessionLocal() as session:
+        return send_campaign_job(session, job_id=job_id, enqueue_imap_task=True).as_dict()
+
+
+@celery.task(name="multimailer.append_sent", bind=True, max_retries=None)
+def append_sent(self, job_id: str):
+    """Append the exact sent MIME to the configured IMAP Sent folder."""
+
+    from govoplan_core.db.session import get_database
+    from govoplan_mail.backend.sending.imap import ImapAppendError
+    from govoplan_campaign.backend.sending.jobs import append_sent_for_job
+
+    with get_database().SessionLocal() as session:
+        try:
+            return append_sent_for_job(session, job_id=job_id).as_dict()
+        except ImapAppendError as exc:
+            if getattr(exc, "temporary", None) is True:
+                raise self.retry(exc=exc, countdown=300)
+            raise