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							- import uuid
 
- import pandas as pd
 
- from flask import request
 
- from flask_login import current_user  # type: ignore
 
- from flask_restful import Resource, marshal, reqparse  # type: ignore
 
- from werkzeug.exceptions import Forbidden, NotFound
 
- import services
 
- from controllers.console import api
 
- from controllers.console.app.error import ProviderNotInitializeError
 
- from controllers.console.datasets.error import (
 
-     ChildChunkDeleteIndexError,
 
-     ChildChunkIndexingError,
 
-     InvalidActionError,
 
-     NoFileUploadedError,
 
-     TooManyFilesError,
 
- )
 
- from controllers.console.wraps import (
 
-     account_initialization_required,
 
-     cloud_edition_billing_knowledge_limit_check,
 
-     cloud_edition_billing_resource_check,
 
-     setup_required,
 
- )
 
- from core.errors.error import LLMBadRequestError, ProviderTokenNotInitError
 
- from core.model_manager import ModelManager
 
- from core.model_runtime.entities.model_entities import ModelType
 
- from extensions.ext_redis import redis_client
 
- from fields.segment_fields import child_chunk_fields, segment_fields
 
- from libs.login import login_required
 
- from models.dataset import ChildChunk, DocumentSegment
 
- from services.dataset_service import DatasetService, DocumentService, SegmentService
 
- from services.entities.knowledge_entities.knowledge_entities import ChildChunkUpdateArgs, SegmentUpdateArgs
 
- from services.errors.chunk import ChildChunkDeleteIndexError as ChildChunkDeleteIndexServiceError
 
- from services.errors.chunk import ChildChunkIndexingError as ChildChunkIndexingServiceError
 
- from tasks.batch_create_segment_to_index_task import batch_create_segment_to_index_task
 
- class DatasetDocumentSegmentListApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     def get(self, dataset_id, document_id):
 
-         dataset_id = str(dataset_id)
 
-         document_id = str(document_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("limit", type=int, default=20, location="args")
 
-         parser.add_argument("status", type=str, action="append", default=[], location="args")
 
-         parser.add_argument("hit_count_gte", type=int, default=None, location="args")
 
-         parser.add_argument("enabled", type=str, default="all", location="args")
 
-         parser.add_argument("keyword", type=str, default=None, location="args")
 
-         parser.add_argument("page", type=int, default=1, location="args")
 
-         args = parser.parse_args()
 
-         page = args["page"]
 
-         limit = min(args["limit"], 100)
 
-         status_list = args["status"]
 
-         hit_count_gte = args["hit_count_gte"]
 
-         keyword = args["keyword"]
 
-         query = DocumentSegment.query.filter(
 
-             DocumentSegment.document_id == str(document_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).order_by(DocumentSegment.position.asc())
 
-         if status_list:
 
-             query = query.filter(DocumentSegment.status.in_(status_list))
 
-         if hit_count_gte is not None:
 
-             query = query.filter(DocumentSegment.hit_count >= hit_count_gte)
 
-         if keyword:
 
-             query = query.where(DocumentSegment.content.ilike(f"%{keyword}%"))
 
-         if args["enabled"].lower() != "all":
 
-             if args["enabled"].lower() == "true":
 
-                 query = query.filter(DocumentSegment.enabled == True)
 
-             elif args["enabled"].lower() == "false":
 
-                 query = query.filter(DocumentSegment.enabled == False)
 
-         segments = query.paginate(page=page, per_page=limit, max_per_page=100, error_out=False)
 
-         response = {
 
-             "data": marshal(segments.items, segment_fields),
 
-             "limit": limit,
 
-             "total": segments.total,
 
-             "total_pages": segments.pages,
 
-             "page": page,
 
-         }
 
-         return response, 200
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     def delete(self, dataset_id, document_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         segment_ids = request.args.getlist("segment_id")
 
-         # The role of the current user in the ta table must be admin or owner
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         SegmentService.delete_segments(segment_ids, document, dataset)
 
-         return {"result": "success"}, 200
 
- class DatasetDocumentSegmentApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     def patch(self, dataset_id, document_id, action):
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # The role of the current user in the ta table must be admin, owner, or editor
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         if dataset.indexing_technique == "high_quality":
 
-             # check embedding model setting
 
-             try:
 
-                 model_manager = ModelManager()
 
-                 model_manager.get_model_instance(
 
-                     tenant_id=current_user.current_tenant_id,
 
-                     provider=dataset.embedding_model_provider,
 
-                     model_type=ModelType.TEXT_EMBEDDING,
 
-                     model=dataset.embedding_model,
 
-                 )
 
-             except LLMBadRequestError:
 
-                 raise ProviderNotInitializeError(
 
-                     "No Embedding Model available. Please configure a valid provider in the Settings -> Model Provider."
 
-                 )
 
-             except ProviderTokenNotInitError as ex:
 
-                 raise ProviderNotInitializeError(ex.description)
 
-         segment_ids = request.args.getlist("segment_id")
 
-         document_indexing_cache_key = "document_{}_indexing".format(document.id)
 
-         cache_result = redis_client.get(document_indexing_cache_key)
 
-         if cache_result is not None:
 
-             raise InvalidActionError("Document is being indexed, please try again later")
 
-         try:
 
-             SegmentService.update_segments_status(segment_ids, action, dataset, document)
 
-         except Exception as e:
 
-             raise InvalidActionError(str(e))
 
-         return {"result": "success"}, 200
 
- class DatasetDocumentSegmentAddApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     @cloud_edition_billing_knowledge_limit_check("add_segment")
 
-     def post(self, dataset_id, document_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         # check embedding model setting
 
-         if dataset.indexing_technique == "high_quality":
 
-             try:
 
-                 model_manager = ModelManager()
 
-                 model_manager.get_model_instance(
 
-                     tenant_id=current_user.current_tenant_id,
 
-                     provider=dataset.embedding_model_provider,
 
-                     model_type=ModelType.TEXT_EMBEDDING,
 
-                     model=dataset.embedding_model,
 
-                 )
 
-             except LLMBadRequestError:
 
-                 raise ProviderNotInitializeError(
 
-                     "No Embedding Model available. Please configure a valid provider in the Settings -> Model Provider."
 
-                 )
 
-             except ProviderTokenNotInitError as ex:
 
-                 raise ProviderNotInitializeError(ex.description)
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         # validate args
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("content", type=str, required=True, nullable=False, location="json")
 
-         parser.add_argument("answer", type=str, required=False, nullable=True, location="json")
 
-         parser.add_argument("keywords", type=list, required=False, nullable=True, location="json")
 
-         args = parser.parse_args()
 
-         SegmentService.segment_create_args_validate(args, document)
 
-         segment = SegmentService.create_segment(args, document, dataset)
 
-         return {"data": marshal(segment, segment_fields), "doc_form": document.doc_form}, 200
 
- class DatasetDocumentSegmentUpdateApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     def patch(self, dataset_id, document_id, segment_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         if dataset.indexing_technique == "high_quality":
 
-             # check embedding model setting
 
-             try:
 
-                 model_manager = ModelManager()
 
-                 model_manager.get_model_instance(
 
-                     tenant_id=current_user.current_tenant_id,
 
-                     provider=dataset.embedding_model_provider,
 
-                     model_type=ModelType.TEXT_EMBEDDING,
 
-                     model=dataset.embedding_model,
 
-                 )
 
-             except LLMBadRequestError:
 
-                 raise ProviderNotInitializeError(
 
-                     "No Embedding Model available. Please configure a valid provider in the Settings -> Model Provider."
 
-                 )
 
-             except ProviderTokenNotInitError as ex:
 
-                 raise ProviderNotInitializeError(ex.description)
 
-             # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         # The role of the current user in the ta table must be admin, owner, or editor
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         # validate args
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("content", type=str, required=True, nullable=False, location="json")
 
-         parser.add_argument("answer", type=str, required=False, nullable=True, location="json")
 
-         parser.add_argument("keywords", type=list, required=False, nullable=True, location="json")
 
-         parser.add_argument(
 
-             "regenerate_child_chunks", type=bool, required=False, nullable=True, default=False, location="json"
 
-         )
 
-         args = parser.parse_args()
 
-         SegmentService.segment_create_args_validate(args, document)
 
-         segment = SegmentService.update_segment(SegmentUpdateArgs(**args), segment, document, dataset)
 
-         return {"data": marshal(segment, segment_fields), "doc_form": document.doc_form}, 200
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     def delete(self, dataset_id, document_id, segment_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         # The role of the current user in the ta table must be admin or owner
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         SegmentService.delete_segment(segment, document, dataset)
 
-         return {"result": "success"}, 200
 
- class DatasetDocumentSegmentBatchImportApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     @cloud_edition_billing_knowledge_limit_check("add_segment")
 
-     def post(self, dataset_id, document_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         # get file from request
 
-         file = request.files["file"]
 
-         # check file
 
-         if "file" not in request.files:
 
-             raise NoFileUploadedError()
 
-         if len(request.files) > 1:
 
-             raise TooManyFilesError()
 
-         # check file type
 
-         if not file.filename.endswith(".csv"):
 
-             raise ValueError("Invalid file type. Only CSV files are allowed")
 
-         try:
 
-             # Skip the first row
 
-             df = pd.read_csv(file)
 
-             result = []
 
-             for index, row in df.iterrows():
 
-                 if document.doc_form == "qa_model":
 
-                     data = {"content": row.iloc[0], "answer": row.iloc[1]}
 
-                 else:
 
-                     data = {"content": row.iloc[0]}
 
-                 result.append(data)
 
-             if len(result) == 0:
 
-                 raise ValueError("The CSV file is empty.")
 
-             # async job
 
-             job_id = str(uuid.uuid4())
 
-             indexing_cache_key = "segment_batch_import_{}".format(str(job_id))
 
-             # send batch add segments task
 
-             redis_client.setnx(indexing_cache_key, "waiting")
 
-             batch_create_segment_to_index_task.delay(
 
-                 str(job_id), result, dataset_id, document_id, current_user.current_tenant_id, current_user.id
 
-             )
 
-         except Exception as e:
 
-             return {"error": str(e)}, 500
 
-         return {"job_id": job_id, "job_status": "waiting"}, 200
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     def get(self, job_id):
 
-         job_id = str(job_id)
 
-         indexing_cache_key = "segment_batch_import_{}".format(job_id)
 
-         cache_result = redis_client.get(indexing_cache_key)
 
-         if cache_result is None:
 
-             raise ValueError("The job is not exist.")
 
-         return {"job_id": job_id, "job_status": cache_result.decode()}, 200
 
- class ChildChunkAddApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     @cloud_edition_billing_knowledge_limit_check("add_segment")
 
-     def post(self, dataset_id, document_id, segment_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         # check embedding model setting
 
-         if dataset.indexing_technique == "high_quality":
 
-             try:
 
-                 model_manager = ModelManager()
 
-                 model_manager.get_model_instance(
 
-                     tenant_id=current_user.current_tenant_id,
 
-                     provider=dataset.embedding_model_provider,
 
-                     model_type=ModelType.TEXT_EMBEDDING,
 
-                     model=dataset.embedding_model,
 
-                 )
 
-             except LLMBadRequestError:
 
-                 raise ProviderNotInitializeError(
 
-                     "No Embedding Model available. Please configure a valid provider in the Settings -> Model Provider."
 
-                 )
 
-             except ProviderTokenNotInitError as ex:
 
-                 raise ProviderNotInitializeError(ex.description)
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         # validate args
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("content", type=str, required=True, nullable=False, location="json")
 
-         args = parser.parse_args()
 
-         try:
 
-             child_chunk = SegmentService.create_child_chunk(args.get("content"), segment, document, dataset)
 
-         except ChildChunkIndexingServiceError as e:
 
-             raise ChildChunkIndexingError(str(e))
 
-         return {"data": marshal(child_chunk, child_chunk_fields)}, 200
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     def get(self, dataset_id, document_id, segment_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("limit", type=int, default=20, location="args")
 
-         parser.add_argument("keyword", type=str, default=None, location="args")
 
-         parser.add_argument("page", type=int, default=1, location="args")
 
-         args = parser.parse_args()
 
-         page = args["page"]
 
-         limit = min(args["limit"], 100)
 
-         keyword = args["keyword"]
 
-         child_chunks = SegmentService.get_child_chunks(segment_id, document_id, dataset_id, page, limit, keyword)
 
-         return {
 
-             "data": marshal(child_chunks.items, child_chunk_fields),
 
-             "total": child_chunks.total,
 
-             "total_pages": child_chunks.pages,
 
-             "page": page,
 
-             "limit": limit,
 
-         }, 200
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     def patch(self, dataset_id, document_id, segment_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-             # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         # The role of the current user in the ta table must be admin, owner, or editor
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         # validate args
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("chunks", type=list, required=True, nullable=False, location="json")
 
-         args = parser.parse_args()
 
-         try:
 
-             chunks = [ChildChunkUpdateArgs(**chunk) for chunk in args.get("chunks")]
 
-             child_chunks = SegmentService.update_child_chunks(chunks, segment, document, dataset)
 
-         except ChildChunkIndexingServiceError as e:
 
-             raise ChildChunkIndexingError(str(e))
 
-         return {"data": marshal(child_chunks, child_chunk_fields)}, 200
 
- class ChildChunkUpdateApi(Resource):
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     def delete(self, dataset_id, document_id, segment_id, child_chunk_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-         # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         # check child chunk
 
-         child_chunk_id = str(child_chunk_id)
 
-         child_chunk = ChildChunk.query.filter(
 
-             ChildChunk.id == str(child_chunk_id), ChildChunk.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not child_chunk:
 
-             raise NotFound("Child chunk not found.")
 
-         # The role of the current user in the ta table must be admin or owner
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         try:
 
-             SegmentService.delete_child_chunk(child_chunk, dataset)
 
-         except ChildChunkDeleteIndexServiceError as e:
 
-             raise ChildChunkDeleteIndexError(str(e))
 
-         return {"result": "success"}, 200
 
-     @setup_required
 
-     @login_required
 
-     @account_initialization_required
 
-     @cloud_edition_billing_resource_check("vector_space")
 
-     def patch(self, dataset_id, document_id, segment_id, child_chunk_id):
 
-         # check dataset
 
-         dataset_id = str(dataset_id)
 
-         dataset = DatasetService.get_dataset(dataset_id)
 
-         if not dataset:
 
-             raise NotFound("Dataset not found.")
 
-         # check user's model setting
 
-         DatasetService.check_dataset_model_setting(dataset)
 
-         # check document
 
-         document_id = str(document_id)
 
-         document = DocumentService.get_document(dataset_id, document_id)
 
-         if not document:
 
-             raise NotFound("Document not found.")
 
-             # check segment
 
-         segment_id = str(segment_id)
 
-         segment = DocumentSegment.query.filter(
 
-             DocumentSegment.id == str(segment_id), DocumentSegment.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not segment:
 
-             raise NotFound("Segment not found.")
 
-         # check child chunk
 
-         child_chunk_id = str(child_chunk_id)
 
-         child_chunk = ChildChunk.query.filter(
 
-             ChildChunk.id == str(child_chunk_id), ChildChunk.tenant_id == current_user.current_tenant_id
 
-         ).first()
 
-         if not child_chunk:
 
-             raise NotFound("Child chunk not found.")
 
-         # The role of the current user in the ta table must be admin or owner
 
-         if not current_user.is_editor:
 
-             raise Forbidden()
 
-         try:
 
-             DatasetService.check_dataset_permission(dataset, current_user)
 
-         except services.errors.account.NoPermissionError as e:
 
-             raise Forbidden(str(e))
 
-         # validate args
 
-         parser = reqparse.RequestParser()
 
-         parser.add_argument("content", type=str, required=True, nullable=False, location="json")
 
-         args = parser.parse_args()
 
-         try:
 
-             child_chunk = SegmentService.update_child_chunk(
 
-                 args.get("content"), child_chunk, segment, document, dataset
 
-             )
 
-         except ChildChunkIndexingServiceError as e:
 
-             raise ChildChunkIndexingError(str(e))
 
-         return {"data": marshal(child_chunk, child_chunk_fields)}, 200
 
- api.add_resource(DatasetDocumentSegmentListApi, "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments")
 
- api.add_resource(
 
-     DatasetDocumentSegmentApi, "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segment/<string:action>"
 
- )
 
- api.add_resource(DatasetDocumentSegmentAddApi, "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segment")
 
- api.add_resource(
 
-     DatasetDocumentSegmentUpdateApi,
 
-     "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments/<uuid:segment_id>",
 
- )
 
- api.add_resource(
 
-     DatasetDocumentSegmentBatchImportApi,
 
-     "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments/batch_import",
 
-     "/datasets/batch_import_status/<uuid:job_id>",
 
- )
 
- api.add_resource(
 
-     ChildChunkAddApi,
 
-     "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments/<uuid:segment_id>/child_chunks",
 
- )
 
- api.add_resource(
 
-     ChildChunkUpdateApi,
 
-     "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments/<uuid:segment_id>/child_chunks/<uuid:child_chunk_id>",
 
- )
 
 
  |