696b0475a8
* [add] Complete ontology engineering feature implementation * [add] Add ontology feature integration and validation utilities * [add] Add OWL validator and validation utilities * [fix] Add missing render_ontology_extraction_prompt function * [fix]Add dependencies, fix functionality
44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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"""本体场景模型
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本模块定义本体场景的数据模型。
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Classes:
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OntologyScene: 本体场景表模型
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"""
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import datetime
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import uuid
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from sqlalchemy import Column, String, DateTime, Integer, Text, ForeignKey, UniqueConstraint
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import relationship
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from app.db import Base
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class OntologyScene(Base):
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"""本体场景表 - 用于存储本体场景下不同的类型信息"""
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__tablename__ = "ontology_scene"
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__table_args__ = (
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UniqueConstraint('workspace_id', 'scene_name', name='uq_workspace_scene_name'),
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)
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# 主键
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scene_id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, index=True, comment="场景ID")
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# 场景信息
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scene_name = Column(String(200), nullable=False, comment="场景名称")
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scene_description = Column(Text, nullable=True, comment="场景描述")
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# 外键：关联到工作空间
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workspace_id = Column(UUID(as_uuid=True), ForeignKey("workspaces.id", ondelete="CASCADE"), nullable=False, index=True, comment="所属工作空间ID")
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# 时间戳
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created_at = Column(DateTime, default=datetime.datetime.now, nullable=False, comment="创建时间")
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updated_at = Column(DateTime, default=datetime.datetime.now, onupdate=datetime.datetime.now, nullable=False, comment="更新时间")
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# 关系：一个场景可以有多个类型
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classes = relationship("OntologyClass", back_populates="scene", cascade="all, delete-orphan")
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def __repr__(self):
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return f"<OntologyScene(id={self.scene_id}, name={self.scene_name})>"
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