增加财务模块

src/models/database.py

@@ -681,6 +681,45 @@ class SalesOrder(Base):
         return f"<SalesOrder(order_no='{self.order_no}', status='{self.status}')>"
 
 
+class FinanceTransaction(Base):
+    __tablename__ = "finance_transactions"
+
+    id = Column(Integer, primary_key=True, index=True)
+    txn_no = Column(String(50), unique=True, index=True, nullable=False)
+    txn_type = Column(String(20), nullable=False, index=True)
+    partner_type = Column(String(20), nullable=False, index=True)
+    partner_id = Column(Integer, nullable=False, index=True)
+    amount = Column(Float, nullable=False)
+    txn_date = Column(DateTime, default=func.now(), index=True)
+    method = Column(String(30), default="bank")
+    account_name = Column(String(100), nullable=True)
+    status = Column(String(20), default="confirmed", index=True)
+    remark = Column(Text, nullable=True)
+    operator_id = Column(Integer, ForeignKey("users.id"), nullable=True)
+    created_at = Column(DateTime, default=func.now(), index=True)
+
+    allocations = relationship("FinanceAllocation", back_populates="transaction", cascade="all, delete-orphan")
+
+    def __repr__(self):
+        return f"<FinanceTransaction(txn_no='{self.txn_no}', txn_type='{self.txn_type}', amount={self.amount})>"
+
+
+class FinanceAllocation(Base):
+    __tablename__ = "finance_allocations"
+
+    id = Column(Integer, primary_key=True, index=True)
+    transaction_id = Column(Integer, ForeignKey("finance_transactions.id"), nullable=False, index=True)
+    order_type = Column(String(20), nullable=False, index=True)
+    order_id = Column(Integer, nullable=False, index=True)
+    allocated_amount = Column(Float, nullable=False)
+    created_at = Column(DateTime, default=func.now(), index=True)
+
+    transaction = relationship("FinanceTransaction", back_populates="allocations")
+
+    def __repr__(self):
+        return f"<FinanceAllocation(transaction_id={self.transaction_id}, order_type='{self.order_type}', amount={self.allocated_amount})>"
+
+
 class AnalysisMetrics(Base):
     """分析指标表"""
     __tablename__ = "analysis_metrics"