89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
import asyncio
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from enum import Enum
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from typing import Optional
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from pydantic import computed_field
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from sqlalchemy.orm import selectinload
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from sqlmodel import Field, Relationship, select
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from app.model.BasicModel import BasicModel
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from app.model.UserModel import UserServiceModel
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from app.utils.create_module_service import create_model_service
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from app.utils.milvus_utils import milvus_service
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class KnowledgeDocStatus(Enum):
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process = "process"
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fail = "fail"
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success = "success"
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class KnowledgeDocModel(BasicModel, table=True):
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__tablename__ = "pl_knowledge_doc"
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parent_code: str = Field(default=None, description="所属知识库的code")
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name: str = Field(default=None, description="文档名称")
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status: str = Field(default=None, description="文档的处理状态")
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path: str = Field(default=None, description="文档原始文件路径")
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error: Optional[str] = Field(default=None, description="文档处理失败时的错误信息")
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content: Optional[str] = Field(default=None, description="在线可编辑文档内容")
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code: str = Field(default=None, description="文档编码")
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# /*---------------------------------------created_by-------------------------------------------*/
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created_by: str = Field(
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default=None,
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description="创建人id",
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foreign_key="pl_user.id",
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nullable=True
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)
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creator_relationship: Optional["UserServiceModel"] = Relationship(
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sa_relationship_kwargs={
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"foreign_keys": "KnowledgeDocModel.created_by",
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"remote_side": "UserServiceModel.id",
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"uselist": False
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}
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)
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@computed_field
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@property
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def creator(self) -> Optional[UserServiceModel]:
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try:
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return self.creator_relationship
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except:
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return None
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@creator.setter
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def creator(self, value: Optional[UserServiceModel]) -> None:
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pass
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# 删除文档字后，要删除文档在Milvus中对应的文档块
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async def handle_after_delete(delete_cls, row_dict, session):
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await milvus_service.async_delete(delete_cls.id)
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# 批量删除文档字后，要删除文档在Milvus中对应的文档块
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async def handle_after_batch_delete(delete_cls_list, row_dict_list, session):
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task_list = [
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asyncio.create_task(handle_after_delete(doc_cls, {}, session))
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for doc_cls in delete_cls_list
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]
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await asyncio.gather(*task_list)
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# 专门给KnowledgeService使用的，用来给知识库上传文档的时候操作Mysql数据库中的doc表
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KnowledgeDocService = create_model_service(
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KnowledgeDocModel,
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after_delete=handle_after_delete,
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after_batch_delete=handle_after_batch_delete
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)
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# 专门给在线文档模块使用的
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KnowledgeDocServiceWithCreator = create_model_service(
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KnowledgeDocModel,
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after_delete=handle_after_delete,
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after_batch_delete=handle_after_batch_delete,
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custom_query=lambda: select(KnowledgeDocModel)
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.options(selectinload(KnowledgeDocModel.creator_relationship))
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)
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