sync: migrate secure-online-shop to Gitea (2026-08-10)

app/models/order_item.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from decimal import Decimal
+
+from sqlalchemy import CheckConstraint, ForeignKey, Numeric
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.models.base import Base
+
+
+class OrderItem(Base):
+    __tablename__ = "order_items"
+    __table_args__ = (
+        CheckConstraint("quantity > 0", name="ck_order_items_quantity_positive"),
+        CheckConstraint("unit_price > 0", name="ck_order_items_unit_price_positive"),
+        CheckConstraint("subtotal >= 0", name="ck_order_items_subtotal_non_negative"),
+    )
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    order_id: Mapped[int] = mapped_column(ForeignKey("orders.id"), nullable=False, index=True)
+    product_id: Mapped[int] = mapped_column(ForeignKey("products.id"), nullable=False, index=True)
+    quantity: Mapped[int] = mapped_column(nullable=False)
+    unit_price: Mapped[Decimal] = mapped_column(Numeric(10, 2), nullable=False)
+    subtotal: Mapped[Decimal] = mapped_column(Numeric(10, 2), nullable=False)
+
+    order = relationship("Order", back_populates="items")
+    product = relationship("Product", lazy="joined")
+
+    @property
+    def product_name(self) -> str:
+        return self.product.name