Add admin panel, cart, checkout, and digital key delivery

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-25 05:32:05 +03:00
parent 08cc4b0f1b
commit 54eaff4c70
32 changed files with 1982 additions and 105 deletions
@@ -0,0 +1,124 @@
+from __future__ import annotations
+
+import secrets
+from datetime import datetime, timezone
+from decimal import Decimal
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.cart import available_stock
+from app.models import Order, OrderItem, Product, ProductKey
+
+
+class OrderError(Exception):
+    pass
+
+
+def make_public_id() -> str:
+    return secrets.token_hex(4).upper()
+
+
+def create_order_from_cart(
+    db: Session,
+    *,
+    email: str,
+    cart: dict[str, int],
+    customer_note: str = "",
+) -> Order:
+    if not cart:
+        raise OrderError("Корзина пуста")
+
+    email = email.strip().lower()
+    if "@" not in email or "." not in email.split("@")[-1]:
+        raise OrderError("Укажите корректный email")
+
+    product_ids = [int(pid) for pid in cart.keys()]
+    products = {
+        p.id: p
+        for p in db.scalars(
+            select(Product).where(Product.id.in_(product_ids), Product.is_active.is_(True))
+        ).all()
+    }
+
+    order = Order(
+        public_id=make_public_id(),
+        email=email,
+        status="pending",
+        total=Decimal("0.00"),
+        customer_note=customer_note.strip()[:500],
+    )
+    db.add(order)
+    db.flush()
+
+    total = Decimal("0.00")
+    for pid_str, qty in cart.items():
+        product = products.get(int(pid_str))
+        if not product:
+            raise OrderError("Товар недоступен")
+        qty = int(qty)
+        if qty <= 0:
+            continue
+        stock = available_stock(db, product.id)
+        if stock < qty:
+            raise OrderError(
+                f"Недостаточно ключей для «{product.title}» (в наличии {stock})"
+            )
+        line = product.price * qty
+        total += line
+        db.add(
+            OrderItem(
+                order_id=order.id,
+                product_id=product.id,
+                title=product.title,
+                unit_price=product.price,
+                quantity=qty,
+            )
+        )
+
+    if total <= 0:
+        raise OrderError("Нечего оформлять")
+
+    order.total = total
+    db.commit()
+    db.refresh(order)
+    return order
+
+
+def pay_and_deliver(db: Session, order: Order) -> Order:
+    """Demo payment: mark paid and assign unused digital keys."""
+    if order.status == "delivered":
+        return order
+    if order.status == "cancelled":
+        raise OrderError("Заказ отменён")
+
+    now = datetime.now(timezone.utc)
+    items = db.scalars(select(OrderItem).where(OrderItem.order_id == order.id)).all()
+    for item in items:
+        keys = db.scalars(
+            select(ProductKey)
+            .where(
+                ProductKey.product_id == item.product_id,
+                ProductKey.is_sold.is_(False),
+            )
+            .order_by(ProductKey.id)
+            .limit(item.quantity)
+            .with_for_update()
+        ).all()
+        if len(keys) < item.quantity:
+            raise OrderError(f"Не хватает ключей для «{item.title}»")
+
+        codes: list[str] = []
+        for key in keys:
+            key.is_sold = True
+            key.order_id = order.id
+            key.sold_at = now
+            codes.append(key.code)
+        item.delivered_codes = "\n".join(codes)
+
+    order.status = "delivered"
+    order.paid_at = now
+    order.delivered_at = now
+    db.commit()
+    db.refresh(order)
+    return order