haha

backend/apps/notifications/utils.py

@@ -0,0 +1,31 @@
+"""
+Notification helpers for preference checks.
+"""
+from typing import Optional
+
+from .models import Notification, NotificationPreference
+
+
+def get_notification_preference(user) -> Optional[NotificationPreference]:
+    if not user:
+        return None
+    preference, _ = NotificationPreference.objects.get_or_create(user=user)
+    return preference
+
+
+def should_notify(user, notification_type: str) -> bool:
+    """Check if user has enabled notification type."""
+    preference = get_notification_preference(user)
+    if not preference:
+        return False
+    if notification_type == Notification.Type.PRICE_ALERT:
+        return preference.enable_price_alert
+    if notification_type in (
+        Notification.Type.BOUNTY_ACCEPTED,
+        Notification.Type.BOUNTY_COMPLETED,
+        Notification.Type.NEW_COMMENT,
+    ):
+        return preference.enable_bounty
+    if notification_type == Notification.Type.SYSTEM:
+        return preference.enable_system
+    return True