Send Discord webhook when new user is created

feedvault/signals.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+import logging
+import os
+from typing import TYPE_CHECKING
+
+from discord_webhook import DiscordWebhook
+from django.contrib.auth.models import User
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+if TYPE_CHECKING:
+    from requests import Response
+
+logger: logging.Logger = logging.getLogger(__name__)
+
+
+@receiver(post_save, sender=User)
+def notify_when_new_user(sender: User, instance: User, *, created: bool, **kwargs) -> None:  # noqa: ANN003, ARG001
+    """Send a Discord notification when a new user is created.
+
+    Args:
+        sender: The User model.
+        instance: The instance of the sender.
+        created: A boolean indicating if the instance was created.
+        **kwargs: Arbitrary keyword arguments.
+    """
+    if created:
+        webhook_url: str | None = os.getenv("DISCORD_WEBHOOK_URL")
+        if not webhook_url:
+            logger.error("Discord webhook URL not found.")
+            return
+
+        msg: str = f"New user registered on FeedVault 👀: {instance.username}"
+        webhook = DiscordWebhook(url=webhook_url, content=msg)
+        response: Response = webhook.execute()
+        logger.info("Discord notification sent: (%s) %s", response.status_code, response.text)