67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
from server.db.models.knowledge_metadata_model import SummaryChunkModel
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from server.db.session import with_session
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from typing import List, Dict
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@with_session
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def list_summary_from_db(session,
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kb_name: str,
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metadata: Dict = {},
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) -> List[Dict]:
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'''
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列出某知识库chunk summary。
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返回形式：[{"id": str, "summary_context": str, "doc_ids": str}, ...]
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'''
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docs = session.query(SummaryChunkModel).filter(SummaryChunkModel.kb_name.ilike(kb_name))
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for k, v in metadata.items():
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docs = docs.filter(SummaryChunkModel.meta_data[k].as_string() == str(v))
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return [{"id": x.id,
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"summary_context": x.summary_context,
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"summary_id": x.summary_id,
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"doc_ids": x.doc_ids,
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"metadata": x.metadata} for x in docs.all()]
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@with_session
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def delete_summary_from_db(session,
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kb_name: str
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) -> List[Dict]:
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'''
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删除知识库chunk summary，并返回被删除的Dchunk summary。
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返回形式：[{"id": str, "summary_context": str, "doc_ids": str}, ...]
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'''
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docs = list_summary_from_db(kb_name=kb_name)
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query = session.query(SummaryChunkModel).filter(SummaryChunkModel.kb_name.ilike(kb_name))
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query.delete(synchronize_session=False)
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session.commit()
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return docs
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@with_session
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def add_summary_to_db(session,
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kb_name: str,
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summary_infos: List[Dict]):
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'''
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将总结信息添加到数据库。
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summary_infos形式：[{"summary_context": str, "doc_ids": str}, ...]
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'''
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for summary in summary_infos:
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obj = SummaryChunkModel(
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kb_name=kb_name,
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summary_context=summary["summary_context"],
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summary_id=summary["summary_id"],
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doc_ids=summary["doc_ids"],
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meta_data=summary["metadata"],
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)
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session.add(obj)
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session.commit()
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return True
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@with_session
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def count_summary_from_db(session, kb_name: str) -> int:
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return session.query(SummaryChunkModel).filter(SummaryChunkModel.kb_name.ilike(kb_name)).count()
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