feat: 综合平台services多服务支持+SW网络优先缓存修复+适配层/定时任务完善

app/services/renewal_service.py

@@ -3,7 +3,7 @@
 检查即将到期的资产，生成提醒消息并通过通知渠道发送。
 """
 
-from datetime import date
+from datetime import date, timedelta
 
 from sqlmodel import Session, select
 
@@ -16,16 +16,21 @@ _SKIP_STATUS = {AssetStatus.CANCELLED}
 
 
 def get_expiring_assets(session: Session, threshold_days: int) -> list:
-    """返回 threshold_days 天内到期的资产列表 [(asset, days), ...]，按剩余天数升序"""
+    """返回 threshold_days 天内到期的资产列表 [(asset, days), ...]，按剩余天数升序
+
+    性能优化：日期范围与状态过滤均下推到 SQL 层。
+    """
     today = date.today()
-    assets = session.exec(select(Asset).where(Asset.expiry_date.is_not(None))).all()
-    expiring = []
-    for asset in assets:
-        if asset.status in _SKIP_STATUS:
-            continue
-        days = (asset.expiry_date - today).days
-        if 0 <= days <= threshold_days:
-            expiring.append((asset, days))
+    deadline = today + timedelta(days=threshold_days)
+    assets = session.exec(
+        select(Asset).where(
+            Asset.expiry_date.is_not(None),
+            Asset.expiry_date >= today,
+            Asset.expiry_date <= deadline,
+            Asset.status.notin_(_SKIP_STATUS),
+        )
+    ).all()
+    expiring = [(asset, (asset.expiry_date - today).days) for asset in assets]
     expiring.sort(key=lambda x: x[1])
     return expiring