优化服务号订单广播(Celery并发)与群聊状态实时推送

Co-authored-by: Cursor <cursoragent@cursor.com>

utils/order_broadcast.py

@@ -0,0 +1,72 @@
+"""
+订单服务号模板消息广播 — 统一入口（Celery 异步，接口立即返回）
+"""
+import logging
+
+from django.conf import settings
+
+logger = logging.getLogger('weixin_broadcast')
+
+
+def _game_type_name(leixing_id):
+    try:
+        from shangpin.models import ShangpinLeixing
+        gt = ShangpinLeixing.objects.filter(id=leixing_id).first()
+        return gt.jieshao if gt else '游戏订单'
+    except Exception:
+        return '游戏订单'
+
+
+def build_order_broadcast_payload(dingdan, order_type='普通订单', game_type=None):
+    return {
+        'dingdan_id': dingdan.dingdan_id,
+        'game_type': game_type or _game_type_name(dingdan.leixing_id),
+        'amount': str(dingdan.jine),
+        'order_desc': (dingdan.jieshao or '')[:50],
+        'order_type': order_type,
+    }
+
+
+def submit_dingdan_guangbo(order_info):
+    """提交 Celery 广播任务（broadcast 优先队列）"""
+    if not getattr(settings, 'WEIXIN_BROADCAST_ENABLED', True):
+        logger.info('服务号广播已关闭，跳过')
+        return False
+    if not order_info or not order_info.get('dingdan_id'):
+        return False
+    try:
+        from dingdan.tongzhi_tasks import dingdan_guangbo
+        dingdan_guangbo.apply_async(
+            args=[order_info],
+            queue='broadcast',
+            priority=9,
+            countdown=0,
+        )
+        logger.info(f'已提交服务号广播任务: {order_info.get("dingdan_id")}')
+        return True
+    except Exception as e:
+        logger.error(f'Celery 广播提交失败，降级线程发送: {e}', exc_info=True)
+        _fallback_thread_broadcast(order_info)
+        return False
+
+
+def schedule_dingdan_guangbo_from_order(dingdan, order_type='普通订单', game_type=None):
+    """根据订单对象构建 payload 并提交广播"""
+    order_info = build_order_broadcast_payload(dingdan, order_type=order_type, game_type=game_type)
+    return submit_dingdan_guangbo(order_info)
+
+
+def _fallback_thread_broadcast(order_info):
+    """Celery 不可用时，后台线程并发发送（不阻塞下单接口）"""
+    import threading
+    from utils.weixin_broadcast import WeixinBroadcastSender
+
+    def _run():
+        try:
+            sender = WeixinBroadcastSender()
+            sender.broadcast_parallel(order_info)
+        except Exception as ex:
+            logger.error(f'线程降级广播失败: {ex}', exc_info=True)
+
+    t = threading.Thread(target=_run, daemon=True)
+    t.start()