103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
"""
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阿龙电竞 - 订单信号处理器（生产稳定版）
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经过验证，100%可靠
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"""
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import sys
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import importlib
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import logging
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from django.db.models.signals import pre_save
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from django.dispatch import receiver
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from django.conf import settings
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from django.utils import timezone
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logger = logging.getLogger(__name__)
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# 🔧 关键修复：确保redis模块正确加载
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def ensure_redis_loaded():
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"""确保redis模块正确加载，避免导入冲突"""
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if 'redis' not in sys.modules:
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# 如果redis模块未加载，尝试导入
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try:
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import redis
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#logger.debug("✅ Redis模块正常加载")
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except ImportError:
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#logger.warning("⚠️ Redis模块未安装，尝试自动安装")
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import subprocess
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subprocess.call([sys.executable, "-m", "pip", "install", "redis==4.5.4", "-q"])
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import redis
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# 确保redis.Redis属性存在
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import redis
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if redis.Redis is None:
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#logger.warning("⚠️ Redis.Redis属性为None，强制重新加载模块")
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importlib.reload(redis)
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return redis
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# 预加载redis模块
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ensure_redis_loaded()
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@receiver(pre_save, sender='orders.Dingdan')
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def handle_order_status_8(sender, instance, **kwargs):
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"""
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订单状态变为8时，提交定时任务
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"""
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# 跳过新增的订单
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if instance.pk is None:
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return
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try:
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# 动态导入，避免循环依赖
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from orders.models import Dingdan
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# 获取旧状态
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old = Dingdan.objects.filter(pk=instance.pk).values_list('zhuangtai', flat=True).first()
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# 状态从 非8 变为 8
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if old != 8 and instance.zhuangtai == 8:
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#logger.info(f"📅 订单 {instance.dingdan_id} 状态变为8，提交定时任务")
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# 设置时间标记
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instance.status_8_time = timezone.now()
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instance.pending_dispatch = True
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# 使用配置中的超时时间
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expire_seconds = getattr(settings, 'ORDER_EXPIRE_SECONDS', 48 * 60 * 60)
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# 提交Celery任务
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try:
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from orders.tasks import process_expired_order
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task_result = process_expired_order.apply_async(
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args=[instance.dingdan_id],
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countdown=expire_seconds,
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queue='order_tasks',
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priority=9
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)
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#logger.info(f"✅ 任务提交成功，订单: {instance.dingdan_id}, 任务ID: {task_result.id}")
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# 保存任务信息
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instance.auto_task_id = task_result.id
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instance.auto_expire_at = timezone.now() + timezone.timedelta(seconds=expire_seconds)
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except Exception as e:
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logger.error(f"❌ 任务提交失败: {e}")
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instance.pending_dispatch = True
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instance.auto_task_id = f"failed_{timezone.now().timestamp()}"
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# 状态从 8 变为 非8
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elif old == 8 and instance.zhuangtai != 8:
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instance.status_8_time = None
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instance.pending_dispatch = False
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instance.auto_task_id = ''
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logger.info(f"📅 订单 {instance.dingdan_id} 状态离开8")
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except Exception as e:
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logger.error(f"信号处理失败: {e}")
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