Basisimplementierung für Mailversandt.

app/workers/mail_send_worker.py

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+
+# app/workers/mail_send_worker.py
+from __future__ import annotations
+import smtplib, ssl, email.utils
+from email.message import EmailMessage
+from typing import List, Optional
+from pydantic import BaseModel, EmailStr
+from app.workers.base_worker import BaseWorker
+from app.config import Settings
+from app.db import SessionLocal  # <- AsyncSession factory
+from app.models import Task, TaskStatus
+from sqlalchemy import update
+from app.job_registry import routing_key
+from app.config import settings
+
+class _SendPayload(BaseModel):
+    mailbox_id: str
+    recipients: List[EmailStr]
+    subject: str
+    body_text: Optional[str] = None
+    body_html: Optional[str] = None
+    sender: Optional[EmailStr] = None
+
+class MailSendWorker(BaseWorker):
+
+    async def process(self, payload: dict, **meta) -> dict:
+        """
+        Erwartet: task.job.payload (JSON) mit Feldern wie in _SendPayload.
+        Setzt Task-Status/Result analog zu eurem BaseWorker-Pattern.
+        """
+        p = _SendPayload(**payload)
+
+        sender = str(p.sender or settings.smtp_sender_fallback)
+        msg = EmailMessage()
+        msg["From"] = sender
+        msg["To"] = ", ".join([str(r) for r in p.recipients])
+        msg["Subject"] = p.subject
+        msg["Date"] = email.utils.formatdate(localtime=True)
+        msg["Message-ID"] = email.utils.make_msgid()
+
+        if p.body_html and p.body_text:
+            msg.set_content(p.body_text)
+            msg.add_alternative(p.body_html, subtype="html")
+        elif p.body_html:
+            msg.add_alternative(p.body_html, subtype="html")
+        else:
+            msg.set_content(p.body_text or "")
+
+        # SMTP – synchrones I/O im Worker-Kontext ist i.d.R. ok.
+        context = ssl.create_default_context()
+        with smtplib.SMTP(settings.smtp_host, settings.smtp_port, timeout=30) as server:
+            if settings.smtp_starttls:
+                server.starttls(context=context)
+            if settings.smtp_user and settings.smtp_password:
+                server.login(settings.smtp_user, settings.smtp_password)
+            server.send_message(msg)
+
+        return {"message_id": msg["Message-ID"]}
+
+async def main():
+    worker =MailSendWorker(routing_key("MailSend", "SendClean"), worker_id="mail-send-clean-1")
+    await worker.run()
+
+if __name__ == "__main__":
+    import asyncio as _a
+    _a.run(main())
+