fix: 修复【问答页面】- 当应用关联的知识库中含有禁用状态的文档时，问答时点击换个答案不会换一批命中分段 #759 (#765)

(cherry picked from commit be49147)

Author: shaohuzhang1

apps/application/flow/step_node/search_dataset_node/i_search_dataset_node.py

@@ -13,6 +13,7 @@
 from rest_framework import serializers
 
 from application.flow.i_step_node import INode, NodeResult
+from common.util.common import flat_map
 from common.util.field_message import ErrMessage
 
 
@@ -43,6 +44,13 @@ def is_valid(self, *, raise_exception=False):
         super().is_valid(raise_exception=True)
 
 
+def get_paragraph_list(chat_record, node_id):
+    return flat_map([chat_record.details[key].get('paragraph_list', []) for key in chat_record.details if
+                     (chat_record.details[
+                          key].get('type', '') == 'search-dataset-node') and chat_record.details[key].get(
+                         'paragraph_list', []) is not None and key == node_id])
+
+
 class ISearchDatasetStepNode(INode):
     type = 'search-dataset-node'
 
@@ -53,7 +61,13 @@ def _run(self):
         question = self.workflow_manage.get_reference_field(
             self.node_params_serializer.data.get('question_reference_address')[0],
             self.node_params_serializer.data.get('question_reference_address')[1:])
-        return self.execute(**self.node_params_serializer.data, question=str(question), exclude_paragraph_id_list=[])
+        history_chat_record = self.flow_params_serializer.data.get('history_chat_record', [])
+        paragraph_id_list = [p.get('id') for p in flat_map(
+            [get_paragraph_list(chat_record, self.node.id) for chat_record in history_chat_record if
+             chat_record.problem_text == question])]
+        exclude_paragraph_id_list = list(set(paragraph_id_list))
+        return self.execute(**self.node_params_serializer.data, question=str(question),
+                            exclude_paragraph_id_list=exclude_paragraph_id_list)
 
     def execute(self, dataset_id_list, dataset_setting, question,
                 exclude_paragraph_id_list=None,

apps/application/serializers/application_serializers.py

@@ -576,6 +576,8 @@ def one(self, with_valid=True):
                     'dataset_id_list': dataset_id_list}
 
         def get_search_node(self, work_flow):
+            if work_flow is None:
+                return []
             return [node for node in work_flow.get('nodes', []) if node.get('type', '') == 'search-dataset-node']
 
         def update_search_node(self, work_flow, user_dataset_id_list: List):

apps/embedding/vector/pg_vector.py

@@ -105,9 +105,9 @@ def query(self, query_text: str, query_embedding: List[float], dataset_id_list:
             return []
         query_set = QuerySet(Embedding).filter(dataset_id__in=dataset_id_list, is_active=is_active)
         if exclude_document_id_list is not None and len(exclude_document_id_list) > 0:
-            exclude_dict.__setitem__('document_id__in', exclude_document_id_list)
+            query_set = query_set.exclude(document_id__in=exclude_document_id_list)
         if exclude_paragraph_list is not None and len(exclude_paragraph_list) > 0:
-            exclude_dict.__setitem__('paragraph_id__in', exclude_paragraph_list)
+            query_set = query_set.exclude(paragraph_id__in=exclude_paragraph_list)
         query_set = query_set.exclude(**exclude_dict)
         for search_handle in search_handle_list:
             if search_handle.support(search_mode):