feat: added wecom notify when printing_job production was completed(new status) and shipment was created

shipment/handlers.py

@@ -0,0 +1,46 @@
+import logging
+
+from django.conf import settings
+from django.db import transaction
+
+
+logger = logging.getLogger(__name__)
+
+
+def on_shipment_created(sender, **kwargs):
+    """
+    Shipment 创建后的处理。
+
+    当前通过 Celery task 异步发送企业微信通知，避免阻塞主流程。
+    """
+    if not getattr(settings, "SHIPMENT_CREATED_WECOM_NOTIFY_ENABLED", True):
+        return
+    if getattr(settings, "TESTING", False):
+        return
+
+    shipment = kwargs.get("instance")
+    created_by = kwargs.get("created_by")
+    if shipment is None:
+        logger.warning("[shipment.handlers] shipment_created 信号缺少 instance，跳过通知")
+        return
+
+    logger.info(
+        "[shipment.handlers] 收到 shipment_created 信号: sender=%s, shipment_id=%s",
+        sender,
+        getattr(shipment, "id", None),
+    )
+
+    def _enqueue_task():
+        try:
+            from shipment.tasks import notify_shipment_created_wecom
+
+            notify_shipment_created_wecom.delay(
+                shipment_id=shipment.id,
+                created_by_id=getattr(created_by, "id", None),
+            )
+        except Exception:
+            logger.exception(
+                "[shipment.handlers] 投递 notify_shipment_created_wecom task 失败（已忽略，不影响主流程）"
+            )
+
+    transaction.on_commit(_enqueue_task)