init

2026-03-04 00:47:41 +08:00
parent 54f83cd76c
commit f3196f3e87
9 changed files with 2929 additions and 650 deletions
@@ -362,3 +362,233 @@ class SystemLog(Base):
    def __repr__(self):
        return f"<SystemLog(id={self.id}, level='{self.level}', module='{self.module}')>"

+
+class Product(Base):
+    """产品表"""
+    __tablename__ = "products"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    sku = Column(String(50), unique=True, index=True, nullable=False)
+    name = Column(String(200), nullable=False)
+    description = Column(Text, nullable=True)
+    category = Column(String(100), nullable=True)
+    unit = Column(String(20), default="件")
+    cost_price = Column(Float, default=0)
+    sale_price = Column(Float, default=0)
+    min_stock = Column(Integer, default=0)
+    max_stock = Column(Integer, default=1000)
+    is_active = Column(Boolean, default=True)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    inventory = relationship("Inventory", back_populates="product", uselist=False)
+    stock_movements = relationship("StockMovement", back_populates="product")
+    
+    def __repr__(self):
+        return f"<Product(id={self.id}, sku='{self.sku}', name='{self.name}')>"
+
+
+class Supplier(Base):
+    """供应商表"""
+    __tablename__ = "suppliers"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    code = Column(String(50), unique=True, index=True)
+    name = Column(String(200), nullable=False)
+    contact_person = Column(String(100), nullable=True)
+    phone = Column(String(50), nullable=True)
+    email = Column(String(100), nullable=True)
+    address = Column(Text, nullable=True)
+    bank_name = Column(String(100), nullable=True)
+    bank_account = Column(String(50), nullable=True)
+    tax_number = Column(String(50), nullable=True)
+    is_active = Column(Boolean, default=True)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    purchase_orders = relationship("PurchaseOrder", back_populates="supplier")
+    
+    def __repr__(self):
+        return f"<Supplier(id={self.id}, name='{self.name}')>"
+
+
+class Customer(Base):
+    """客户表"""
+    __tablename__ = "customers"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    code = Column(String(50), unique=True, index=True)
+    name = Column(String(200), nullable=False)
+    contact_person = Column(String(100), nullable=True)
+    phone = Column(String(50), nullable=True)
+    email = Column(String(100), nullable=True)
+    address = Column(Text, nullable=True)
+    bank_name = Column(String(100), nullable=True)
+    bank_account = Column(String(50), nullable=True)
+    tax_number = Column(String(50), nullable=True)
+    credit_limit = Column(Float, default=0)
+    is_active = Column(Boolean, default=True)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    sales_orders = relationship("SalesOrder", back_populates="customer")
+    
+    def __repr__(self):
+        return f"<Customer(id={self.id}, name='{self.name}')>"
+
+
+class Warehouse(Base):
+    """仓库表"""
+    __tablename__ = "warehouses"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    code = Column(String(50), unique=True, index=True)
+    name = Column(String(200), nullable=False)
+    address = Column(Text, nullable=True)
+    manager = Column(String(100), nullable=True)
+    phone = Column(String(50), nullable=True)
+    is_active = Column(Boolean, default=True)
+    is_default = Column(Boolean, default=False)
+    created_at = Column(DateTime, default=func.now())
+    
+    inventories = relationship("Inventory", back_populates="warehouse")
+    
+    def __repr__(self):
+        return f"<Warehouse(id={self.id}, name='{self.name}')>"
+
+
+class Inventory(Base):
+    """库存表"""
+    __tablename__ = "inventory"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    product_id = Column(Integer, ForeignKey("products.id"), nullable=False, index=True)
+    warehouse_id = Column(Integer, ForeignKey("warehouses.id"), nullable=False, index=True)
+    quantity = Column(Integer, default=0)
+    locked_quantity = Column(Integer, default=0)
+    batch_number = Column(String(50), nullable=True)
+    location = Column(String(100), nullable=True)
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    product = relationship("Product", back_populates="inventory")
+    warehouse = relationship("Warehouse", back_populates="inventories")
+    
+    def __repr__(self):
+        return f"<Inventory(product_id={self.product_id}, quantity={self.quantity})>"
+    
+    @property
+    def available_quantity(self):
+        return self.quantity - self.locked_quantity
+
+
+class StockMovement(Base):
+    """库存变动记录表"""
+    __tablename__ = "stock_movements"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    product_id = Column(Integer, ForeignKey("products.id"), nullable=False, index=True)
+    warehouse_id = Column(Integer, ForeignKey("warehouses.id"), nullable=False)
+    movement_type = Column(String(20), nullable=False)
+    quantity = Column(Integer, nullable=False)
+    before_quantity = Column(Integer, default=0)
+    after_quantity = Column(Integer, default=0)
+    reference_type = Column(String(50), nullable=True)
+    reference_id = Column(Integer, nullable=True)
+    reference_no = Column(String(50), nullable=True)
+    unit_price = Column(Float, nullable=True)
+    total_amount = Column(Float, nullable=True)
+    remark = Column(Text, nullable=True)
+    operator_id = Column(Integer, ForeignKey("users.id"), nullable=True)
+    created_at = Column(DateTime, default=func.now(), index=True)
+    
+    product = relationship("Product", back_populates="stock_movements")
+    
+    def __repr__(self):
+        return f"<StockMovement(id={self.id}, type='{self.movement_type}', qty={self.quantity})>"
+
+
+class PurchaseOrder(Base):
+    """采购订单表"""
+    __tablename__ = "purchase_orders"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    order_no = Column(String(50), unique=True, index=True, nullable=False)
+    supplier_id = Column(Integer, ForeignKey("suppliers.id"), nullable=False, index=True)
+    order_date = Column(DateTime, default=func.now())
+    expected_date = Column(DateTime, nullable=True)
+    status = Column(String(20), default="draft")
+    total_amount = Column(Float, default=0)
+    paid_amount = Column(Float, default=0)
+    remark = Column(Text, nullable=True)
+    operator_id = Column(Integer, ForeignKey("users.id"), nullable=True)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    supplier = relationship("Supplier", back_populates="purchase_orders")
+    items = relationship("PurchaseOrderItem", back_populates="order", cascade="all, delete-orphan")
+    
+    def __repr__(self):
+        return f"<PurchaseOrder(order_no='{self.order_no}', status='{self.status}')>"
+
+
+class PurchaseOrderItem(Base):
+    """采购订单明细表"""
+    __tablename__ = "purchase_order_items"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    order_id = Column(Integer, ForeignKey("purchase_orders.id"), nullable=False)
+    product_id = Column(Integer, ForeignKey("products.id"), nullable=False)
+    quantity = Column(Integer, nullable=False)
+    received_quantity = Column(Integer, default=0)
+    unit_price = Column(Float, nullable=False)
+    amount = Column(Float, nullable=False)
+    remark = Column(Text, nullable=True)
+    
+    order = relationship("PurchaseOrder", back_populates="items")
+    
+    def __repr__(self):
+        return f"<PurchaseOrderItem(order_id={self.order_id}, product_id={self.product_id})>"
+
+
+class SalesOrder(Base):
+    """销售订单表"""
+    __tablename__ = "sales_orders"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    order_no = Column(String(50), unique=True, index=True, nullable=False)
+    customer_id = Column(Integer, ForeignKey("customers.id"), nullable=False, index=True)
+    order_date = Column(DateTime, default=func.now())
+    delivery_date = Column(DateTime, nullable=True)
+    status = Column(String(20), default="draft")
+    total_amount = Column(Float, default=0)
+    received_amount = Column(Float, default=0)
+    remark = Column(Text, nullable=True)
+    operator_id = Column(Integer, ForeignKey("users.id"), nullable=True)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    customer = relationship("Customer", back_populates="sales_orders")
+    items = relationship("SalesOrderItem", back_populates="order", cascade="all, delete-orphan")
+    
+    def __repr__(self):
+        return f"<SalesOrder(order_no='{self.order_no}', status='{self.status}')>"
+
+
+class SalesOrderItem(Base):
+    """销售订单明细表"""
+    __tablename__ = "sales_order_items"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    order_id = Column(Integer, ForeignKey("sales_orders.id"), nullable=False)
+    product_id = Column(Integer, ForeignKey("products.id"), nullable=False)
+    quantity = Column(Integer, nullable=False)
+    delivered_quantity = Column(Integer, default=0)
+    unit_price = Column(Float, nullable=False)
+    amount = Column(Float, nullable=False)
+    remark = Column(Text, nullable=True)
+    
+    order = relationship("SalesOrder", back_populates="items")
+    
+    def __repr__(self):
+        return f"<SalesOrderItem(order_id={self.order_id}, product_id={self.product_id})>"
+