refactor(); project refactor

src/backend/apps/notifications/services.py

@@ -5,13 +5,12 @@ from typing import Any
 import requests
 from django.core.mail import send_mail
 from django.db import transaction
-from django.db.models import QuerySet
+from django.db.models import Q, QuerySet
 from django.utils import timezone
 
 from apps.notifications.models import (
     ChannelType,
     NotificationChannel,
-    NotificationEventType,
     NotificationLog,
     NotificationRule,
     NotificationStatus,
@@ -30,11 +29,6 @@ class NotificationPayload:
     extra: dict[str, Any] = field(default_factory=dict)
 
 
-# ---------------------------------------------------------------------------
-# Channel CRUD
-# ---------------------------------------------------------------------------
-
-
 @transaction.atomic
 def channel_create(
     *,
@@ -82,11 +76,6 @@ def channel_get(channel_id: Any) -> NotificationChannel | None:
         return None
 
 
-# ---------------------------------------------------------------------------
-# Rule CRUD
-# ---------------------------------------------------------------------------
-
-
 @transaction.atomic
 def rule_create(
     *,
@@ -130,11 +119,6 @@ def rule_list(channel_id: Any | None = None) -> QuerySet[NotificationRule]:
     return qs
 
 
-# ---------------------------------------------------------------------------
-# Log selectors
-# ---------------------------------------------------------------------------
-
-
 def log_list(
     *,
     status: str | None = None,
@@ -146,11 +130,6 @@ def log_list(
     return qs[:limit]
 
 
-# ---------------------------------------------------------------------------
-# Notification enqueue (called from integration points)
-# ---------------------------------------------------------------------------
-
-
 def notification_enqueue(
     event_type: str,
     payload: NotificationPayload,
@@ -163,8 +142,7 @@ def notification_enqueue(
 
     if payload.experiment_id:
         rules = rules.filter(
-            models_Q(experiment__isnull=True)
-            | models_Q(experiment_id=payload.experiment_id)
+            Q(experiment__isnull=True) | Q(experiment_id=payload.experiment_id)
         )
     else:
         rules = rules.filter(experiment__isnull=True)
@@ -203,17 +181,6 @@ def _build_event_key(event_type: str, payload: NotificationPayload) -> str:
     return f"{event_type}:{payload.experiment_id}:{bucket}"
 
 
-def models_Q(**kwargs):
-    from django.db.models import Q
-
-    return Q(**kwargs)
-
-
-# ---------------------------------------------------------------------------
-# Senders
-# ---------------------------------------------------------------------------
-
-
 def _send_telegram(config: dict[str, Any], payload: dict[str, Any]) -> None:
     bot_token = config.get("bot_token", "")
     chat_id = config.get("chat_id", "")
@@ -260,11 +227,6 @@ def _send_smtp(config: dict[str, Any], payload: dict[str, Any]) -> None:
     )
 
 
-# ---------------------------------------------------------------------------
-# Flush pending (called from Celery task)
-# ---------------------------------------------------------------------------
-
-
 def flush_pending_notifications() -> dict[str, int]:
     pending = NotificationLog.objects.filter(
         status=NotificationStatus.PENDING,
@@ -288,7 +250,9 @@ def flush_pending_notifications() -> dict[str, int]:
         sender = senders.get(log.channel.channel_type)
         if not sender:
             log.status = NotificationStatus.FAILED
-            log.error = f"No sender for channel type '{log.channel.channel_type}'."
+            log.error = (
+                f"No sender for channel type '{log.channel.channel_type}'."
+            )
             log.save(update_fields=["status", "error"])
             results["failed"] += 1
             continue