85 lines
4.5 KiB
Python
85 lines
4.5 KiB
Python
"""
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资产相关数据模型
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"""
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from datetime import datetime, date
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from sqlalchemy import Column, BigInteger, String, Integer, Text, ForeignKey, DateTime, Date, Numeric, Index
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from sqlalchemy.dialects.postgresql import JSONB
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from sqlalchemy.orm import relationship
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from app.db.base import Base
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class Asset(Base):
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"""资产表"""
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__tablename__ = "assets"
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id = Column(BigInteger, primary_key=True, index=True)
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asset_code = Column(String(50), unique=True, nullable=False, index=True, comment="资产编码")
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asset_name = Column(String(200), nullable=False, comment="资产名称")
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device_type_id = Column(BigInteger, ForeignKey("device_types.id"), nullable=False, comment="设备类型ID")
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brand_id = Column(BigInteger, ForeignKey("brands.id"), nullable=True, comment="品牌ID")
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model = Column(String(200), nullable=True, comment="规格型号")
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serial_number = Column(String(200), nullable=True, index=True, comment="序列号(SN)")
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supplier_id = Column(BigInteger, ForeignKey("suppliers.id"), nullable=True, comment="供应商ID")
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purchase_date = Column(Date, nullable=True, index=True, comment="采购日期")
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purchase_price = Column(Numeric(18, 2), nullable=True, comment="采购价格")
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warranty_period = Column(Integer, nullable=True, comment="保修期(月)")
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warranty_expire_date = Column(Date, nullable=True, comment="保修到期日期")
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organization_id = Column(BigInteger, ForeignKey("organizations.id"), nullable=False, comment="所属网点ID")
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location = Column(String(500), nullable=True, comment="存放位置")
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status = Column(String(20), default="pending", nullable=False, index=True, comment="状态")
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dynamic_attributes = Column(JSONB, default={}, comment="动态字段值")
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qr_code_url = Column(String(500), nullable=True, comment="二维码图片URL")
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remark = Column(Text, nullable=True, comment="备注")
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created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
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created_by = Column(BigInteger, ForeignKey("users.id"), nullable=True)
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updated_by = Column(BigInteger, ForeignKey("users.id"), nullable=True)
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deleted_at = Column(DateTime, nullable=True)
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deleted_by = Column(BigInteger, ForeignKey("users.id"), nullable=True)
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# 关系
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device_type = relationship("DeviceType", back_populates="assets")
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brand = relationship("Brand", back_populates="assets")
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supplier = relationship("Supplier", back_populates="assets")
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organization = relationship("Organization")
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created_user = relationship("User", foreign_keys=[created_by])
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updated_user = relationship("User", foreign_keys=[updated_by])
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deleted_user = relationship("User", foreign_keys=[deleted_by])
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status_history = relationship("AssetStatusHistory", back_populates="asset", cascade="all, delete-orphan")
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def __repr__(self):
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return f"<Asset(id={self.id}, asset_code={self.asset_code}, asset_name={self.asset_name})>"
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class AssetStatusHistory(Base):
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"""资产状态历史表"""
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__tablename__ = "asset_status_history"
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id = Column(BigInteger, primary_key=True, index=True)
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asset_id = Column(BigInteger, ForeignKey("assets.id", ondelete="CASCADE"), nullable=False, comment="资产ID")
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old_status = Column(String(20), nullable=True, comment="原状态")
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new_status = Column(String(20), nullable=False, index=True, comment="新状态")
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operation_type = Column(String(50), nullable=False, comment="操作类型")
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operator_id = Column(BigInteger, ForeignKey("users.id"), nullable=False, comment="操作人ID")
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operator_name = Column(String(100), nullable=True, comment="操作人姓名(冗余)")
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organization_id = Column(BigInteger, ForeignKey("organizations.id"), nullable=True, comment="相关网点ID")
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remark = Column(Text, nullable=True, comment="备注")
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extra_data = Column(JSONB, nullable=True, comment="额外数据")
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created_at = Column(DateTime, default=datetime.utcnow, nullable=False, index=True)
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# 关系
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asset = relationship("Asset", back_populates="status_history")
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operator = relationship("User", foreign_keys=[operator_id])
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organization = relationship("Organization")
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# 索引
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__table_args__ = (
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Index("idx_asset_status_history_asset", "asset_id"),
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Index("idx_asset_status_history_time", "created_at"),
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)
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def __repr__(self):
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return f"<AssetStatusHistory(id={self.id}, asset_id={self.asset_id}, old_status={self.old_status}, new_status={self.new_status})>"
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