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			683 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			683 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import base64
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| import hashlib
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| import hmac
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| import json
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| import logging
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| import os
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| import pickle
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| import re
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| import time
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| from json import JSONDecodeError
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| 
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| from flask import current_app
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| from sqlalchemy import func
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| from sqlalchemy.dialects.postgresql import JSONB
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| 
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| from core.rag.retrieval.retrival_methods import RetrievalMethod
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| from extensions.ext_database import db
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| from extensions.ext_storage import storage
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| from models import StringUUID
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| from models.account import Account
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| from models.model import App, Tag, TagBinding, UploadFile
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| 
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| 
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| class Dataset(db.Model):
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|     __tablename__ = 'datasets'
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|     __table_args__ = (
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|         db.PrimaryKeyConstraint('id', name='dataset_pkey'),
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|         db.Index('dataset_tenant_idx', 'tenant_id'),
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|         db.Index('retrieval_model_idx', "retrieval_model", postgresql_using='gin')
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|     )
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| 
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|     INDEXING_TECHNIQUE_LIST = ['high_quality', 'economy', None]
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| 
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|     id = db.Column(StringUUID, server_default=db.text('uuid_generate_v4()'))
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|     tenant_id = db.Column(StringUUID, nullable=False)
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|     name = db.Column(db.String(255), nullable=False)
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|     description = db.Column(db.Text, nullable=True)
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|     provider = db.Column(db.String(255), nullable=False,
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|                          server_default=db.text("'vendor'::character varying"))
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|     permission = db.Column(db.String(255), nullable=False,
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|                            server_default=db.text("'only_me'::character varying"))
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|     data_source_type = db.Column(db.String(255))
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|     indexing_technique = db.Column(db.String(255), nullable=True)
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|     index_struct = db.Column(db.Text, nullable=True)
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|     created_by = db.Column(StringUUID, nullable=False)
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|     created_at = db.Column(db.DateTime, nullable=False,
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|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
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|     updated_by = db.Column(StringUUID, nullable=True)
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|     updated_at = db.Column(db.DateTime, nullable=False,
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|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
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|     embedding_model = db.Column(db.String(255), nullable=True)
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|     embedding_model_provider = db.Column(db.String(255), nullable=True)
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|     collection_binding_id = db.Column(StringUUID, nullable=True)
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|     retrieval_model = db.Column(JSONB, nullable=True)
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| 
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|     @property
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|     def dataset_keyword_table(self):
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|         dataset_keyword_table = db.session.query(DatasetKeywordTable).filter(
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|             DatasetKeywordTable.dataset_id == self.id).first()
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|         if dataset_keyword_table:
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|             return dataset_keyword_table
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| 
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|         return None
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| 
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|     @property
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|     def index_struct_dict(self):
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|         return json.loads(self.index_struct) if self.index_struct else None
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| 
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|     @property
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|     def created_by_account(self):
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|         return Account.query.get(self.created_by)
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| 
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|     @property
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|     def latest_process_rule(self):
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|         return DatasetProcessRule.query.filter(DatasetProcessRule.dataset_id == self.id) \
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|             .order_by(DatasetProcessRule.created_at.desc()).first()
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| 
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|     @property
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|     def app_count(self):
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|         return db.session.query(func.count(AppDatasetJoin.id)).filter(AppDatasetJoin.dataset_id == self.id,
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|                                                                       App.id == AppDatasetJoin.app_id).scalar()
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| 
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|     @property
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|     def document_count(self):
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|         return db.session.query(func.count(Document.id)).filter(Document.dataset_id == self.id).scalar()
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| 
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|     @property
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|     def available_document_count(self):
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|         return db.session.query(func.count(Document.id)).filter(
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|             Document.dataset_id == self.id,
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|             Document.indexing_status == 'completed',
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|             Document.enabled == True,
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|             Document.archived == False
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|         ).scalar()
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| 
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|     @property
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|     def available_segment_count(self):
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|         return db.session.query(func.count(DocumentSegment.id)).filter(
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|             DocumentSegment.dataset_id == self.id,
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|             DocumentSegment.status == 'completed',
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|             DocumentSegment.enabled == True
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|         ).scalar()
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| 
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|     @property
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|     def word_count(self):
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|         return Document.query.with_entities(func.coalesce(func.sum(Document.word_count))) \
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|             .filter(Document.dataset_id == self.id).scalar()
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| 
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|     @property
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|     def doc_form(self):
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|         document = db.session.query(Document).filter(
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|             Document.dataset_id == self.id).first()
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|         if document:
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|             return document.doc_form
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|         return None
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| 
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|     @property
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|     def retrieval_model_dict(self):
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|         default_retrieval_model = {
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|             'search_method': RetrievalMethod.SEMANTIC_SEARCH,
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|             'reranking_enable': False,
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|             'reranking_model': {
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|                 'reranking_provider_name': '',
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|                 'reranking_model_name': ''
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|             },
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|             'top_k': 2,
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|             'score_threshold_enabled': False
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|         }
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|         return self.retrieval_model if self.retrieval_model else default_retrieval_model
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| 
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|     @property
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|     def tags(self):
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|         tags = db.session.query(Tag).join(
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|             TagBinding,
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|             Tag.id == TagBinding.tag_id
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|         ).filter(
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|             TagBinding.target_id == self.id,
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|             TagBinding.tenant_id == self.tenant_id,
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|             Tag.tenant_id == self.tenant_id,
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|             Tag.type == 'knowledge'
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|         ).all()
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| 
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|         return tags if tags else []
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| 
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|     @staticmethod
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|     def gen_collection_name_by_id(dataset_id: str) -> str:
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|         normalized_dataset_id = dataset_id.replace("-", "_")
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|         return f'Vector_index_{normalized_dataset_id}_Node'
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| 
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| 
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| class DatasetProcessRule(db.Model):
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|     __tablename__ = 'dataset_process_rules'
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|     __table_args__ = (
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|         db.PrimaryKeyConstraint('id', name='dataset_process_rule_pkey'),
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|         db.Index('dataset_process_rule_dataset_id_idx', 'dataset_id'),
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|     )
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| 
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|     id = db.Column(StringUUID, nullable=False,
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|                    server_default=db.text('uuid_generate_v4()'))
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|     dataset_id = db.Column(StringUUID, nullable=False)
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|     mode = db.Column(db.String(255), nullable=False,
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|                      server_default=db.text("'automatic'::character varying"))
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|     rules = db.Column(db.Text, nullable=True)
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|     created_by = db.Column(StringUUID, nullable=False)
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|     created_at = db.Column(db.DateTime, nullable=False,
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|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
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| 
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|     MODES = ['automatic', 'custom']
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|     PRE_PROCESSING_RULES = ['remove_stopwords', 'remove_extra_spaces', 'remove_urls_emails']
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|     AUTOMATIC_RULES = {
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|         'pre_processing_rules': [
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|             {'id': 'remove_extra_spaces', 'enabled': True},
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|             {'id': 'remove_urls_emails', 'enabled': False}
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|         ],
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|         'segmentation': {
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|             'delimiter': '\n',
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|             'max_tokens': 500,
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|             'chunk_overlap': 50
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|         }
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|     }
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| 
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|     def to_dict(self):
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|         return {
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|             'id': self.id,
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|             'dataset_id': self.dataset_id,
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|             'mode': self.mode,
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|             'rules': self.rules_dict,
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|             'created_by': self.created_by,
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|             'created_at': self.created_at,
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|         }
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| 
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|     @property
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|     def rules_dict(self):
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|         try:
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|             return json.loads(self.rules) if self.rules else None
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|         except JSONDecodeError:
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|             return None
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| 
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| 
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| class Document(db.Model):
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|     __tablename__ = 'documents'
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|     __table_args__ = (
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|         db.PrimaryKeyConstraint('id', name='document_pkey'),
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|         db.Index('document_dataset_id_idx', 'dataset_id'),
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|         db.Index('document_is_paused_idx', 'is_paused'),
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|         db.Index('document_tenant_idx', 'tenant_id'),
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|     )
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| 
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|     # initial fields
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|     id = db.Column(StringUUID, nullable=False,
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|                    server_default=db.text('uuid_generate_v4()'))
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|     tenant_id = db.Column(StringUUID, nullable=False)
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|     dataset_id = db.Column(StringUUID, nullable=False)
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|     position = db.Column(db.Integer, nullable=False)
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|     data_source_type = db.Column(db.String(255), nullable=False)
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|     data_source_info = db.Column(db.Text, nullable=True)
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|     dataset_process_rule_id = db.Column(StringUUID, nullable=True)
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|     batch = db.Column(db.String(255), nullable=False)
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|     name = db.Column(db.String(255), nullable=False)
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|     created_from = db.Column(db.String(255), nullable=False)
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|     created_by = db.Column(StringUUID, nullable=False)
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|     created_api_request_id = db.Column(StringUUID, nullable=True)
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|     created_at = db.Column(db.DateTime, nullable=False,
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|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
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| 
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|     # start processing
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|     processing_started_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # parsing
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|     file_id = db.Column(db.Text, nullable=True)
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|     word_count = db.Column(db.Integer, nullable=True)
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|     parsing_completed_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # cleaning
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|     cleaning_completed_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # split
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|     splitting_completed_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # indexing
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|     tokens = db.Column(db.Integer, nullable=True)
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|     indexing_latency = db.Column(db.Float, nullable=True)
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|     completed_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # pause
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|     is_paused = db.Column(db.Boolean, nullable=True, server_default=db.text('false'))
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|     paused_by = db.Column(StringUUID, nullable=True)
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|     paused_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # error
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|     error = db.Column(db.Text, nullable=True)
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|     stopped_at = db.Column(db.DateTime, nullable=True)
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| 
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|     # basic fields
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|     indexing_status = db.Column(db.String(
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|         255), nullable=False, server_default=db.text("'waiting'::character varying"))
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|     enabled = db.Column(db.Boolean, nullable=False,
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|                         server_default=db.text('true'))
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|     disabled_at = db.Column(db.DateTime, nullable=True)
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|     disabled_by = db.Column(StringUUID, nullable=True)
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|     archived = db.Column(db.Boolean, nullable=False,
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|                          server_default=db.text('false'))
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|     archived_reason = db.Column(db.String(255), nullable=True)
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|     archived_by = db.Column(StringUUID, nullable=True)
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|     archived_at = db.Column(db.DateTime, nullable=True)
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|     updated_at = db.Column(db.DateTime, nullable=False,
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|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
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|     doc_type = db.Column(db.String(40), nullable=True)
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|     doc_metadata = db.Column(db.JSON, nullable=True)
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|     doc_form = db.Column(db.String(
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|         255), nullable=False, server_default=db.text("'text_model'::character varying"))
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|     doc_language = db.Column(db.String(255), nullable=True)
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| 
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|     DATA_SOURCES = ['upload_file', 'notion_import', 'website_crawl']
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| 
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|     @property
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|     def display_status(self):
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|         status = None
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|         if self.indexing_status == 'waiting':
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|             status = 'queuing'
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|         elif self.indexing_status not in ['completed', 'error', 'waiting'] and self.is_paused:
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|             status = 'paused'
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|         elif self.indexing_status in ['parsing', 'cleaning', 'splitting', 'indexing']:
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|             status = 'indexing'
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|         elif self.indexing_status == 'error':
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|             status = 'error'
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|         elif self.indexing_status == 'completed' and not self.archived and self.enabled:
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|             status = 'available'
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|         elif self.indexing_status == 'completed' and not self.archived and not self.enabled:
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|             status = 'disabled'
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|         elif self.indexing_status == 'completed' and self.archived:
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|             status = 'archived'
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|         return status
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| 
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|     @property
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|     def data_source_info_dict(self):
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|         if self.data_source_info:
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|             try:
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|                 data_source_info_dict = json.loads(self.data_source_info)
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|             except JSONDecodeError:
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|                 data_source_info_dict = {}
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| 
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|             return data_source_info_dict
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|         return None
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| 
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|     @property
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|     def data_source_detail_dict(self):
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|         if self.data_source_info:
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|             if self.data_source_type == 'upload_file':
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|                 data_source_info_dict = json.loads(self.data_source_info)
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|                 file_detail = db.session.query(UploadFile). \
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|                     filter(UploadFile.id == data_source_info_dict['upload_file_id']). \
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|                     one_or_none()
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|                 if file_detail:
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|                     return {
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|                         'upload_file': {
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|                             'id': file_detail.id,
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|                             'name': file_detail.name,
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|                             'size': file_detail.size,
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|                             'extension': file_detail.extension,
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|                             'mime_type': file_detail.mime_type,
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|                             'created_by': file_detail.created_by,
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|                             'created_at': file_detail.created_at.timestamp()
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|                         }
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|                     }
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|             elif self.data_source_type == 'notion_import' or self.data_source_type == 'website_crawl':
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|                 return json.loads(self.data_source_info)
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|         return {}
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| 
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|     @property
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|     def average_segment_length(self):
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|         if self.word_count and self.word_count != 0 and self.segment_count and self.segment_count != 0:
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|             return self.word_count // self.segment_count
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|         return 0
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| 
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|     @property
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|     def dataset_process_rule(self):
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|         if self.dataset_process_rule_id:
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|             return DatasetProcessRule.query.get(self.dataset_process_rule_id)
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|         return None
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| 
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|     @property
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|     def dataset(self):
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|         return db.session.query(Dataset).filter(Dataset.id == self.dataset_id).one_or_none()
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| 
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|     @property
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|     def segment_count(self):
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|         return DocumentSegment.query.filter(DocumentSegment.document_id == self.id).count()
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| 
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|     @property
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|     def hit_count(self):
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|         return DocumentSegment.query.with_entities(func.coalesce(func.sum(DocumentSegment.hit_count))) \
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|             .filter(DocumentSegment.document_id == self.id).scalar()
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| 
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|     def to_dict(self):
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|         return {
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|             'id': self.id,
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|             'tenant_id': self.tenant_id,
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|             'dataset_id': self.dataset_id,
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|             'position': self.position,
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|             'data_source_type': self.data_source_type,
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|             'data_source_info': self.data_source_info,
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|             'dataset_process_rule_id': self.dataset_process_rule_id,
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|             'batch': self.batch,
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|             'name': self.name,
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|             'created_from': self.created_from,
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|             'created_by': self.created_by,
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|             'created_api_request_id': self.created_api_request_id,
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|             'created_at': self.created_at,
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|             'processing_started_at': self.processing_started_at,
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|             'file_id': self.file_id,
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|             'word_count': self.word_count,
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|             'parsing_completed_at': self.parsing_completed_at,
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|             'cleaning_completed_at': self.cleaning_completed_at,
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|             'splitting_completed_at': self.splitting_completed_at,
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|             'tokens': self.tokens,
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|             'indexing_latency': self.indexing_latency,
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|             'completed_at': self.completed_at,
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|             'is_paused': self.is_paused,
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|             'paused_by': self.paused_by,
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|             'paused_at': self.paused_at,
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|             'error': self.error,
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|             'stopped_at': self.stopped_at,
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|             'indexing_status': self.indexing_status,
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|             'enabled': self.enabled,
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|             'disabled_at': self.disabled_at,
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|             'disabled_by': self.disabled_by,
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|             'archived': self.archived,
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|             'archived_reason': self.archived_reason,
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|             'archived_by': self.archived_by,
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|             'archived_at': self.archived_at,
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|             'updated_at': self.updated_at,
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|             'doc_type': self.doc_type,
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|             'doc_metadata': self.doc_metadata,
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|             'doc_form': self.doc_form,
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|             'doc_language': self.doc_language,
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|             'display_status': self.display_status,
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|             'data_source_info_dict': self.data_source_info_dict,
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|             'average_segment_length': self.average_segment_length,
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|             'dataset_process_rule': self.dataset_process_rule.to_dict() if self.dataset_process_rule else None,
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|             'dataset': self.dataset.to_dict() if self.dataset else None,
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|             'segment_count': self.segment_count,
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|             'hit_count': self.hit_count
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|         }
 | |
| 
 | |
|     @classmethod
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|     def from_dict(cls, data: dict):
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|         return cls(
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|             id=data.get('id'),
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|             tenant_id=data.get('tenant_id'),
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|             dataset_id=data.get('dataset_id'),
 | |
|             position=data.get('position'),
 | |
|             data_source_type=data.get('data_source_type'),
 | |
|             data_source_info=data.get('data_source_info'),
 | |
|             dataset_process_rule_id=data.get('dataset_process_rule_id'),
 | |
|             batch=data.get('batch'),
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|             name=data.get('name'),
 | |
|             created_from=data.get('created_from'),
 | |
|             created_by=data.get('created_by'),
 | |
|             created_api_request_id=data.get('created_api_request_id'),
 | |
|             created_at=data.get('created_at'),
 | |
|             processing_started_at=data.get('processing_started_at'),
 | |
|             file_id=data.get('file_id'),
 | |
|             word_count=data.get('word_count'),
 | |
|             parsing_completed_at=data.get('parsing_completed_at'),
 | |
|             cleaning_completed_at=data.get('cleaning_completed_at'),
 | |
|             splitting_completed_at=data.get('splitting_completed_at'),
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|             tokens=data.get('tokens'),
 | |
|             indexing_latency=data.get('indexing_latency'),
 | |
|             completed_at=data.get('completed_at'),
 | |
|             is_paused=data.get('is_paused'),
 | |
|             paused_by=data.get('paused_by'),
 | |
|             paused_at=data.get('paused_at'),
 | |
|             error=data.get('error'),
 | |
|             stopped_at=data.get('stopped_at'),
 | |
|             indexing_status=data.get('indexing_status'),
 | |
|             enabled=data.get('enabled'),
 | |
|             disabled_at=data.get('disabled_at'),
 | |
|             disabled_by=data.get('disabled_by'),
 | |
|             archived=data.get('archived'),
 | |
|             archived_reason=data.get('archived_reason'),
 | |
|             archived_by=data.get('archived_by'),
 | |
|             archived_at=data.get('archived_at'),
 | |
|             updated_at=data.get('updated_at'),
 | |
|             doc_type=data.get('doc_type'),
 | |
|             doc_metadata=data.get('doc_metadata'),
 | |
|             doc_form=data.get('doc_form'),
 | |
|             doc_language=data.get('doc_language')
 | |
|         )
 | |
| 
 | |
| class DocumentSegment(db.Model):
 | |
|     __tablename__ = 'document_segments'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='document_segment_pkey'),
 | |
|         db.Index('document_segment_dataset_id_idx', 'dataset_id'),
 | |
|         db.Index('document_segment_document_id_idx', 'document_id'),
 | |
|         db.Index('document_segment_tenant_dataset_idx', 'dataset_id', 'tenant_id'),
 | |
|         db.Index('document_segment_tenant_document_idx', 'document_id', 'tenant_id'),
 | |
|         db.Index('document_segment_dataset_node_idx', 'dataset_id', 'index_node_id'),
 | |
|         db.Index('document_segment_tenant_idx', 'tenant_id'),
 | |
|     )
 | |
| 
 | |
|     # initial fields
 | |
|     id = db.Column(StringUUID, nullable=False,
 | |
|                    server_default=db.text('uuid_generate_v4()'))
 | |
|     tenant_id = db.Column(StringUUID, nullable=False)
 | |
|     dataset_id = db.Column(StringUUID, nullable=False)
 | |
|     document_id = db.Column(StringUUID, nullable=False)
 | |
|     position = db.Column(db.Integer, nullable=False)
 | |
|     content = db.Column(db.Text, nullable=False)
 | |
|     answer = db.Column(db.Text, nullable=True)
 | |
|     word_count = db.Column(db.Integer, nullable=False)
 | |
|     tokens = db.Column(db.Integer, nullable=False)
 | |
| 
 | |
|     # indexing fields
 | |
|     keywords = db.Column(db.JSON, nullable=True)
 | |
|     index_node_id = db.Column(db.String(255), nullable=True)
 | |
|     index_node_hash = db.Column(db.String(255), nullable=True)
 | |
| 
 | |
|     # basic fields
 | |
|     hit_count = db.Column(db.Integer, nullable=False, default=0)
 | |
|     enabled = db.Column(db.Boolean, nullable=False,
 | |
|                         server_default=db.text('true'))
 | |
|     disabled_at = db.Column(db.DateTime, nullable=True)
 | |
|     disabled_by = db.Column(StringUUID, nullable=True)
 | |
|     status = db.Column(db.String(255), nullable=False,
 | |
|                        server_default=db.text("'waiting'::character varying"))
 | |
|     created_by = db.Column(StringUUID, nullable=False)
 | |
|     created_at = db.Column(db.DateTime, nullable=False,
 | |
|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
 | |
|     updated_by = db.Column(StringUUID, nullable=True)
 | |
|     updated_at = db.Column(db.DateTime, nullable=False,
 | |
|                            server_default=db.text('CURRENT_TIMESTAMP(0)'))
 | |
|     indexing_at = db.Column(db.DateTime, nullable=True)
 | |
|     completed_at = db.Column(db.DateTime, nullable=True)
 | |
|     error = db.Column(db.Text, nullable=True)
 | |
|     stopped_at = db.Column(db.DateTime, nullable=True)
 | |
| 
 | |
|     @property
 | |
|     def dataset(self):
 | |
|         return db.session.query(Dataset).filter(Dataset.id == self.dataset_id).first()
 | |
| 
 | |
|     @property
 | |
|     def document(self):
 | |
|         return db.session.query(Document).filter(Document.id == self.document_id).first()
 | |
| 
 | |
|     @property
 | |
|     def previous_segment(self):
 | |
|         return db.session.query(DocumentSegment).filter(
 | |
|             DocumentSegment.document_id == self.document_id,
 | |
|             DocumentSegment.position == self.position - 1
 | |
|         ).first()
 | |
| 
 | |
|     @property
 | |
|     def next_segment(self):
 | |
|         return db.session.query(DocumentSegment).filter(
 | |
|             DocumentSegment.document_id == self.document_id,
 | |
|             DocumentSegment.position == self.position + 1
 | |
|         ).first()
 | |
| 
 | |
|     def get_sign_content(self):
 | |
|         pattern = r"/files/([a-f0-9\-]+)/image-preview"
 | |
|         text = self.content
 | |
|         matches = re.finditer(pattern, text)
 | |
|         signed_urls = []
 | |
|         for match in matches:
 | |
|             upload_file_id = match.group(1)
 | |
|             nonce = os.urandom(16).hex()
 | |
|             timestamp = str(int(time.time()))
 | |
|             data_to_sign = f"image-preview|{upload_file_id}|{timestamp}|{nonce}"
 | |
|             secret_key = current_app.config['SECRET_KEY'].encode()
 | |
|             sign = hmac.new(secret_key, data_to_sign.encode(), hashlib.sha256).digest()
 | |
|             encoded_sign = base64.urlsafe_b64encode(sign).decode()
 | |
| 
 | |
|             params = f"timestamp={timestamp}&nonce={nonce}&sign={encoded_sign}"
 | |
|             signed_url = f"{match.group(0)}?{params}"
 | |
|             signed_urls.append((match.start(), match.end(), signed_url))
 | |
| 
 | |
|         # Reconstruct the text with signed URLs
 | |
|         offset = 0
 | |
|         for start, end, signed_url in signed_urls:
 | |
|             text = text[:start + offset] + signed_url + text[end + offset:]
 | |
|             offset += len(signed_url) - (end - start)
 | |
| 
 | |
|         return text
 | |
| 
 | |
| 
 | |
| 
 | |
| class AppDatasetJoin(db.Model):
 | |
|     __tablename__ = 'app_dataset_joins'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='app_dataset_join_pkey'),
 | |
|         db.Index('app_dataset_join_app_dataset_idx', 'dataset_id', 'app_id'),
 | |
|     )
 | |
| 
 | |
|     id = db.Column(StringUUID, primary_key=True, nullable=False, server_default=db.text('uuid_generate_v4()'))
 | |
|     app_id = db.Column(StringUUID, nullable=False)
 | |
|     dataset_id = db.Column(StringUUID, nullable=False)
 | |
|     created_at = db.Column(db.DateTime, nullable=False, server_default=db.func.current_timestamp())
 | |
| 
 | |
|     @property
 | |
|     def app(self):
 | |
|         return App.query.get(self.app_id)
 | |
| 
 | |
| 
 | |
| class DatasetQuery(db.Model):
 | |
|     __tablename__ = 'dataset_queries'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='dataset_query_pkey'),
 | |
|         db.Index('dataset_query_dataset_id_idx', 'dataset_id'),
 | |
|     )
 | |
| 
 | |
|     id = db.Column(StringUUID, primary_key=True, nullable=False, server_default=db.text('uuid_generate_v4()'))
 | |
|     dataset_id = db.Column(StringUUID, nullable=False)
 | |
|     content = db.Column(db.Text, nullable=False)
 | |
|     source = db.Column(db.String(255), nullable=False)
 | |
|     source_app_id = db.Column(StringUUID, nullable=True)
 | |
|     created_by_role = db.Column(db.String, nullable=False)
 | |
|     created_by = db.Column(StringUUID, nullable=False)
 | |
|     created_at = db.Column(db.DateTime, nullable=False, server_default=db.func.current_timestamp())
 | |
| 
 | |
| 
 | |
| class DatasetKeywordTable(db.Model):
 | |
|     __tablename__ = 'dataset_keyword_tables'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='dataset_keyword_table_pkey'),
 | |
|         db.Index('dataset_keyword_table_dataset_id_idx', 'dataset_id'),
 | |
|     )
 | |
| 
 | |
|     id = db.Column(StringUUID, primary_key=True, server_default=db.text('uuid_generate_v4()'))
 | |
|     dataset_id = db.Column(StringUUID, nullable=False, unique=True)
 | |
|     keyword_table = db.Column(db.Text, nullable=False)
 | |
|     data_source_type = db.Column(db.String(255), nullable=False,
 | |
|                                  server_default=db.text("'database'::character varying"))
 | |
| 
 | |
|     @property
 | |
|     def keyword_table_dict(self):
 | |
|         class SetDecoder(json.JSONDecoder):
 | |
|             def __init__(self, *args, **kwargs):
 | |
|                 super().__init__(object_hook=self.object_hook, *args, **kwargs)
 | |
| 
 | |
|             def object_hook(self, dct):
 | |
|                 if isinstance(dct, dict):
 | |
|                     for keyword, node_idxs in dct.items():
 | |
|                         if isinstance(node_idxs, list):
 | |
|                             dct[keyword] = set(node_idxs)
 | |
|                 return dct
 | |
| 
 | |
|         # get dataset
 | |
|         dataset = Dataset.query.filter_by(
 | |
|             id=self.dataset_id
 | |
|         ).first()
 | |
|         if not dataset:
 | |
|             return None
 | |
|         if self.data_source_type == 'database':
 | |
|             return json.loads(self.keyword_table, cls=SetDecoder) if self.keyword_table else None
 | |
|         else:
 | |
|             file_key = 'keyword_files/' + dataset.tenant_id + '/' + self.dataset_id + '.txt'
 | |
|             try:
 | |
|                 keyword_table_text = storage.load_once(file_key)
 | |
|                 if keyword_table_text:
 | |
|                     return json.loads(keyword_table_text.decode('utf-8'), cls=SetDecoder)
 | |
|                 return None
 | |
|             except Exception as e:
 | |
|                 logging.exception(str(e))
 | |
|                 return None
 | |
| 
 | |
| 
 | |
| class Embedding(db.Model):
 | |
|     __tablename__ = 'embeddings'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='embedding_pkey'),
 | |
|         db.UniqueConstraint('model_name', 'hash', 'provider_name', name='embedding_hash_idx')
 | |
|     )
 | |
| 
 | |
|     id = db.Column(StringUUID, primary_key=True, server_default=db.text('uuid_generate_v4()'))
 | |
|     model_name = db.Column(db.String(40), nullable=False,
 | |
|                            server_default=db.text("'text-embedding-ada-002'::character varying"))
 | |
|     hash = db.Column(db.String(64), nullable=False)
 | |
|     embedding = db.Column(db.LargeBinary, nullable=False)
 | |
|     created_at = db.Column(db.DateTime, nullable=False, server_default=db.text('CURRENT_TIMESTAMP(0)'))
 | |
|     provider_name = db.Column(db.String(40), nullable=False,
 | |
|                               server_default=db.text("''::character varying"))
 | |
| 
 | |
|     def set_embedding(self, embedding_data: list[float]):
 | |
|         self.embedding = pickle.dumps(embedding_data, protocol=pickle.HIGHEST_PROTOCOL)
 | |
| 
 | |
|     def get_embedding(self) -> list[float]:
 | |
|         return pickle.loads(self.embedding)
 | |
| 
 | |
| 
 | |
| class DatasetCollectionBinding(db.Model):
 | |
|     __tablename__ = 'dataset_collection_bindings'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='dataset_collection_bindings_pkey'),
 | |
|         db.Index('provider_model_name_idx', 'provider_name', 'model_name')
 | |
| 
 | |
|     )
 | |
| 
 | |
|     id = db.Column(StringUUID, primary_key=True, server_default=db.text('uuid_generate_v4()'))
 | |
|     provider_name = db.Column(db.String(40), nullable=False)
 | |
|     model_name = db.Column(db.String(40), nullable=False)
 | |
|     type = db.Column(db.String(40), server_default=db.text("'dataset'::character varying"), nullable=False)
 | |
|     collection_name = db.Column(db.String(64), nullable=False)
 | |
|     created_at = db.Column(db.DateTime, nullable=False, server_default=db.text('CURRENT_TIMESTAMP(0)'))
 | |
| 
 | |
| 
 | |
| class DatasetPermission(db.Model):
 | |
|     __tablename__ = 'dataset_permissions'
 | |
|     __table_args__ = (
 | |
|         db.PrimaryKeyConstraint('id', name='dataset_permission_pkey'),
 | |
|         db.Index('idx_dataset_permissions_dataset_id', 'dataset_id'),
 | |
|         db.Index('idx_dataset_permissions_account_id', 'account_id'),
 | |
|         db.Index('idx_dataset_permissions_tenant_id', 'tenant_id')
 | |
|     )
 | |
| 
 | |
|     id = db.Column(StringUUID, server_default=db.text('uuid_generate_v4()'), primary_key=True)
 | |
|     dataset_id = db.Column(StringUUID, nullable=False)
 | |
|     account_id = db.Column(StringUUID, nullable=False)
 | |
|     tenant_id = db.Column(StringUUID, nullable=False)
 | |
|     has_permission = db.Column(db.Boolean, nullable=False, server_default=db.text('true'))
 | |
|     created_at = db.Column(db.DateTime, nullable=False, server_default=db.text('CURRENT_TIMESTAMP(0)'))
 | 
