mirror of
https://github.com/langgenius/dify.git
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cf93d8d6e2
Co-authored-by: jyong <718720800@qq.com> Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
296 lines
11 KiB
Python
296 lines
11 KiB
Python
# -*- coding:utf-8 -*-
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from datetime import datetime
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from flask_login import login_required, current_user
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from flask_restful import Resource, reqparse, fields, marshal
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from werkzeug.exceptions import NotFound, Forbidden
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import services
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from controllers.console import api
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from controllers.console.datasets.error import InvalidActionError
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from controllers.console.setup import setup_required
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from controllers.console.wraps import account_initialization_required
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from extensions.ext_database import db
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from extensions.ext_redis import redis_client
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from models.dataset import DocumentSegment
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from libs.helper import TimestampField
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from services.dataset_service import DatasetService, DocumentService, SegmentService
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from tasks.enable_segment_to_index_task import enable_segment_to_index_task
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from tasks.remove_segment_from_index_task import remove_segment_from_index_task
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segment_fields = {
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'id': fields.String,
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'position': fields.Integer,
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'document_id': fields.String,
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'content': fields.String,
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'answer': fields.String,
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'word_count': fields.Integer,
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'tokens': fields.Integer,
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'keywords': fields.List(fields.String),
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'index_node_id': fields.String,
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'index_node_hash': fields.String,
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'hit_count': fields.Integer,
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'enabled': fields.Boolean,
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'disabled_at': TimestampField,
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'disabled_by': fields.String,
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'status': fields.String,
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'created_by': fields.String,
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'created_at': TimestampField,
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'indexing_at': TimestampField,
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'completed_at': TimestampField,
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'error': fields.String,
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'stopped_at': TimestampField
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}
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segment_list_response = {
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'data': fields.List(fields.Nested(segment_fields)),
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'has_more': fields.Boolean,
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'limit': fields.Integer
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}
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class DatasetDocumentSegmentListApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def get(self, dataset_id, document_id):
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dataset_id = str(dataset_id)
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document_id = str(document_id)
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dataset = DatasetService.get_dataset(dataset_id)
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if not dataset:
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raise NotFound('Dataset not found.')
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try:
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DatasetService.check_dataset_permission(dataset, current_user)
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except services.errors.account.NoPermissionError as e:
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raise Forbidden(str(e))
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document = DocumentService.get_document(dataset_id, document_id)
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if not document:
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raise NotFound('Document not found.')
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parser = reqparse.RequestParser()
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parser.add_argument('last_id', type=str, default=None, location='args')
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parser.add_argument('limit', type=int, default=20, location='args')
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parser.add_argument('status', type=str,
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action='append', default=[], location='args')
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parser.add_argument('hit_count_gte', type=int,
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default=None, location='args')
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parser.add_argument('enabled', type=str, default='all', location='args')
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parser.add_argument('keyword', type=str, default=None, location='args')
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args = parser.parse_args()
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last_id = args['last_id']
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limit = min(args['limit'], 100)
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status_list = args['status']
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hit_count_gte = args['hit_count_gte']
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keyword = args['keyword']
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query = DocumentSegment.query.filter(
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DocumentSegment.document_id == str(document_id),
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DocumentSegment.tenant_id == current_user.current_tenant_id
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)
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if last_id is not None:
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last_segment = DocumentSegment.query.get(str(last_id))
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if last_segment:
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query = query.filter(
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DocumentSegment.position > last_segment.position)
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else:
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return {'data': [], 'has_more': False, 'limit': limit}, 200
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if status_list:
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query = query.filter(DocumentSegment.status.in_(status_list))
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if hit_count_gte is not None:
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query = query.filter(DocumentSegment.hit_count >= hit_count_gte)
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if keyword:
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query = query.where(DocumentSegment.content.ilike(f'%{keyword}%'))
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if args['enabled'].lower() != 'all':
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if args['enabled'].lower() == 'true':
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query = query.filter(DocumentSegment.enabled == True)
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elif args['enabled'].lower() == 'false':
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query = query.filter(DocumentSegment.enabled == False)
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total = query.count()
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segments = query.order_by(DocumentSegment.position).limit(limit + 1).all()
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has_more = False
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if len(segments) > limit:
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has_more = True
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segments = segments[:-1]
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return {
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'data': marshal(segments, segment_fields),
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'doc_form': document.doc_form,
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'has_more': has_more,
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'limit': limit,
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'total': total
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}, 200
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class DatasetDocumentSegmentApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def patch(self, dataset_id, segment_id, action):
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dataset_id = str(dataset_id)
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dataset = DatasetService.get_dataset(dataset_id)
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if not dataset:
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raise NotFound('Dataset not found.')
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# The role of the current user in the ta table must be admin or owner
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if current_user.current_tenant.current_role not in ['admin', 'owner']:
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raise Forbidden()
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try:
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DatasetService.check_dataset_permission(dataset, current_user)
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except services.errors.account.NoPermissionError as e:
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raise Forbidden(str(e))
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segment = DocumentSegment.query.filter(
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DocumentSegment.id == str(segment_id),
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DocumentSegment.tenant_id == current_user.current_tenant_id
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).first()
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if not segment:
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raise NotFound('Segment not found.')
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document_indexing_cache_key = 'document_{}_indexing'.format(segment.document_id)
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cache_result = redis_client.get(document_indexing_cache_key)
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if cache_result is not None:
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raise InvalidActionError("Document is being indexed, please try again later")
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indexing_cache_key = 'segment_{}_indexing'.format(segment.id)
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cache_result = redis_client.get(indexing_cache_key)
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if cache_result is not None:
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raise InvalidActionError("Segment is being indexed, please try again later")
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if action == "enable":
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if segment.enabled:
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raise InvalidActionError("Segment is already enabled.")
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segment.enabled = True
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segment.disabled_at = None
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segment.disabled_by = None
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db.session.commit()
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# Set cache to prevent indexing the same segment multiple times
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redis_client.setex(indexing_cache_key, 600, 1)
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enable_segment_to_index_task.delay(segment.id)
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return {'result': 'success'}, 200
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elif action == "disable":
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if not segment.enabled:
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raise InvalidActionError("Segment is already disabled.")
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segment.enabled = False
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segment.disabled_at = datetime.utcnow()
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segment.disabled_by = current_user.id
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db.session.commit()
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# Set cache to prevent indexing the same segment multiple times
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redis_client.setex(indexing_cache_key, 600, 1)
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remove_segment_from_index_task.delay(segment.id)
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return {'result': 'success'}, 200
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else:
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raise InvalidActionError()
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class DatasetDocumentSegmentAddApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def post(self, dataset_id, document_id):
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# check dataset
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dataset_id = str(dataset_id)
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dataset = DatasetService.get_dataset(dataset_id)
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if not dataset:
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raise NotFound('Dataset not found.')
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# check document
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document_id = str(document_id)
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document = DocumentService.get_document(dataset_id, document_id)
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if not document:
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raise NotFound('Document not found.')
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# The role of the current user in the ta table must be admin or owner
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if current_user.current_tenant.current_role not in ['admin', 'owner']:
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raise Forbidden()
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try:
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DatasetService.check_dataset_permission(dataset, current_user)
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except services.errors.account.NoPermissionError as e:
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raise Forbidden(str(e))
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# validate args
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parser = reqparse.RequestParser()
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parser.add_argument('content', type=str, required=True, nullable=False, location='json')
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parser.add_argument('answer', type=str, required=False, nullable=True, location='json')
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parser.add_argument('keywords', type=list, required=False, nullable=True, location='json')
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args = parser.parse_args()
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SegmentService.segment_create_args_validate(args, document)
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segment = SegmentService.create_segment(args, document)
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return {
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'data': marshal(segment, segment_fields),
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'doc_form': document.doc_form
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}, 200
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class DatasetDocumentSegmentUpdateApi(Resource):
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@setup_required
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@login_required
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@account_initialization_required
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def patch(self, dataset_id, document_id, segment_id):
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# check dataset
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dataset_id = str(dataset_id)
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dataset = DatasetService.get_dataset(dataset_id)
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if not dataset:
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raise NotFound('Dataset not found.')
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# check document
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document_id = str(document_id)
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document = DocumentService.get_document(dataset_id, document_id)
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if not document:
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raise NotFound('Document not found.')
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# check segment
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segment_id = str(segment_id)
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segment = DocumentSegment.query.filter(
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DocumentSegment.id == str(segment_id),
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DocumentSegment.tenant_id == current_user.current_tenant_id
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).first()
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if not segment:
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raise NotFound('Segment not found.')
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# The role of the current user in the ta table must be admin or owner
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if current_user.current_tenant.current_role not in ['admin', 'owner']:
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raise Forbidden()
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try:
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DatasetService.check_dataset_permission(dataset, current_user)
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except services.errors.account.NoPermissionError as e:
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raise Forbidden(str(e))
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# validate args
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parser = reqparse.RequestParser()
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parser.add_argument('content', type=str, required=True, nullable=False, location='json')
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parser.add_argument('answer', type=str, required=False, nullable=True, location='json')
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parser.add_argument('keywords', type=list, required=False, nullable=True, location='json')
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args = parser.parse_args()
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SegmentService.segment_create_args_validate(args, document)
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segment = SegmentService.update_segment(args, segment, document)
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return {
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'data': marshal(segment, segment_fields),
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'doc_form': document.doc_form
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}, 200
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api.add_resource(DatasetDocumentSegmentListApi,
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'/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments')
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api.add_resource(DatasetDocumentSegmentApi,
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'/datasets/<uuid:dataset_id>/segments/<uuid:segment_id>/<string:action>')
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api.add_resource(DatasetDocumentSegmentAddApi,
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'/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segment')
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api.add_resource(DatasetDocumentSegmentUpdateApi,
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'/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/segments/<uuid:segment_id>')
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