彻底关闭订单超时自动结算：总开关+移除 orders.tasks 注册

orders/signals.py

@@ -42,54 +42,29 @@ ensure_redis_loaded()
 @receiver(pre_save, sender='orders.Dingdan')
 def handle_order_status_8(sender, instance, **kwargs):
     """
-    订单状态变为8时，提交定时任务
+    订单状态变为8时的信号处理。
+    ORDER_AUTO_SETTLEMENT_ENABLED=False 时不提交任何 Celery 超时结算任务。
     """
-    # 跳过新增的订单
-    if instance.pk is None:
+    if not getattr(settings, 'ORDER_AUTO_SETTLEMENT_ENABLED', False):
+        if instance.pk is None:
+            return
+        try:
+            from orders.models import Dingdan
+            old = Dingdan.query.filter(pk=instance.pk).values_list('zhuangtai', flat=True).first()
+            if old != 8 and instance.zhuangtai == 8:
+                instance.status_8_time = timezone.now()
+                instance.pending_dispatch = False
+                instance.auto_task_id = ''
+                instance.auto_expire_at = None
+            elif old == 8 and instance.zhuangtai != 8:
+                instance.status_8_time = None
+                instance.pending_dispatch = False
+                instance.auto_task_id = ''
+        except Exception as e:
+            logger.error(f'信号处理失败: {e}')
         return
-    
-    try:
-        # 动态导入，避免循环依赖
-        from orders.models import Dingdan
-        
-        # 获取旧状态
-        old = Dingdan.query.filter(pk=instance.pk).values_list('zhuangtai', flat=True).first()
-        
-        # 状态从 非8 变为 8
-        if old != 8 and instance.zhuangtai == 8:
-            # 订单自动结算已关闭：仅记录时间标记，不再提交 Celery 延时结算任务
-            instance.status_8_time = timezone.now()
-            instance.pending_dispatch = False
-            instance.auto_task_id = ''
-            instance.auto_expire_at = None
-            logger.info(f"订单 {instance.dingdan_id} 状态变为8（自动结算已禁用，不提交结算任务）")
 
-            # --- 原自动结算逻辑（已禁用，保留代码备查）---
-            # expire_seconds = getattr(settings, 'ORDER_EXPIRE_SECONDS', 48 * 60 * 60)
-            # try:
-            #     from orders.tasks import process_expired_order
-            #     task_result = process_expired_order.apply_async(
-            #         args=[instance.dingdan_id],
-            #         countdown=expire_seconds,
-            #         queue='order_tasks',
-            #         priority=9
-            #     )
-            #     instance.auto_task_id = task_result.id
-            #     instance.auto_expire_at = timezone.now() + timezone.timedelta(seconds=expire_seconds)
-            # except Exception as e:
-            #     logger.error(f"❌ 任务提交失败: {e}")
-            #     instance.pending_dispatch = True
-            #     instance.auto_task_id = f"failed_{timezone.now().timestamp()}"
-        
-        # 状态从 8 变为 非8
-        elif old == 8 and instance.zhuangtai != 8:
-            instance.status_8_time = None
-            instance.pending_dispatch = False
-            instance.auto_task_id = ''
-            logger.info(f"📅 订单 {instance.dingdan_id} 状态离开8")
-            
-    except Exception as e:
-        logger.error(f"信号处理失败: {e}")
+    # --- 以下原自动结算逻辑保留备查（开关打开时才启用，当前生产应为 False）---