feat(payment): expire pending orders after one hour

digital-avatar-app/backend/services/token_billing.py

@@ -7,7 +7,7 @@ from datetime import datetime, timedelta
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.orm import Session
 
-from models import Avatar, TokenAccount, TokenUsage, User
+from models import Avatar, TokenAccount, TokenPaymentOrder, TokenUsage, User
 
 DEFAULT_TOKEN_GRANT = 1_000_000
 
@@ -201,3 +201,22 @@ def release_stale_reservations(db: Session, older_than_minutes: int = 10) -> int
             "stale_reservation_recovered",
         )
     return len(stale)
+
+
+def close_expired_pending_orders(db: Session, older_than_minutes: int = 60) -> int:
+    """Close unpaid recharge orders after their one-hour payment window."""
+    now = datetime.utcnow()
+    cutoff = now - timedelta(minutes=older_than_minutes)
+    closed_count = db.query(TokenPaymentOrder).filter(
+        TokenPaymentOrder.status == "pending",
+        TokenPaymentOrder.created_at <= cutoff,
+    ).update(
+        {
+            TokenPaymentOrder.status: "closed",
+            TokenPaymentOrder.failure_reason: "支付超时（超过1小时）",
+            TokenPaymentOrder.updated_at: now,
+        },
+        synchronize_session=False,
+    )
+    db.commit()
+    return int(closed_count or 0)