fix: 识别失效商品链接返回首页 (#111)

client/src/collect_task_service.py

@@ -146,6 +146,7 @@ class CollectTaskService:
         collector = self._factory(
             self._device_address, self._client.client_id, self._cancelled
         )
+        business_failure_message = ""
         try:
             result = collector.collect(started.task)
             event = self._repository.save_collect_result(
@@ -165,7 +166,14 @@ class CollectTaskService:
             )
             if exc.code == "PDD_CANCELLED":
                 return self._submit_cancelled(event, remote_task_id)
-        return self._submit(event)
+            if exc.code == "PDD_GOODS_UNAVAILABLE":
+                business_failure_message = exc.message
+        outcome = self._submit(event)
+        if business_failure_message and outcome.kind == "failed":
+            return CollectTaskOutcome(
+                "business_failed", business_failure_message, remote_task_id
+            )
+        return outcome
 
     def _submit_cancelled(
         self, event: OutboxEventRecord, remote_task_id: str
@@ -226,6 +234,8 @@ class CollectTaskService:
     def _classify_error(code: str) -> tuple[TaskStatus, bool]:
         if code == "PDD_CANCELLED":
             return TaskStatus.CANCELLED, False
+        if code == "PDD_GOODS_UNAVAILABLE":
+            return TaskStatus.FAILED, False
         if code in {
             "PDD_PAGE_LOGIN_REQUIRED",
             "PDD_PAGE_CAPTCHA",