46 lines
2.1 KiB
Python
46 lines
2.1 KiB
Python
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"""inventory 财务域模型：收付款交易与订单分摊。"""
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from sqlalchemy import Column, Integer, String, Text, DateTime, Numeric, ForeignKey
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from sqlalchemy.sql import func
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from sqlalchemy.orm import relationship
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from shared.models.base import Base
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class FinanceTransaction(Base):
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__tablename__ = "finance_transactions"
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id = Column(Integer, primary_key=True, index=True)
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txn_no = Column(String(50), unique=True, index=True, nullable=False)
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txn_type = Column(String(20), nullable=False, index=True)
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partner_type = Column(String(20), nullable=False, index=True)
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partner_id = Column(Integer, nullable=False, index=True)
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amount = Column(Numeric(12, 2), nullable=False)
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txn_date = Column(DateTime, default=func.now(), index=True)
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method = Column(String(30), default="bank")
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account_name = Column(String(100), nullable=True)
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status = Column(String(20), default="confirmed", index=True)
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remark = Column(Text, nullable=True)
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operator_id = Column(Integer, ForeignKey("users.id"), nullable=True)
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created_at = Column(DateTime, default=func.now(), index=True)
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allocations = relationship("FinanceAllocation", back_populates="transaction", cascade="all, delete-orphan")
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def __repr__(self):
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return f"<FinanceTransaction(txn_no='{self.txn_no}', txn_type='{self.txn_type}', amount={self.amount})>"
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class FinanceAllocation(Base):
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__tablename__ = "finance_allocations"
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id = Column(Integer, primary_key=True, index=True)
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transaction_id = Column(Integer, ForeignKey("finance_transactions.id"), nullable=False, index=True)
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order_type = Column(String(20), nullable=False, index=True)
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order_id = Column(Integer, nullable=False, index=True)
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allocated_amount = Column(Numeric(12, 2), nullable=False)
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created_at = Column(DateTime, default=func.now(), index=True)
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transaction = relationship("FinanceTransaction", back_populates="allocations")
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def __repr__(self):
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return f"<FinanceAllocation(transaction_id={self.transaction_id}, order_type='{self.order_type}', amount={self.allocated_amount})>"
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