invoices, order handling, db updates

db/models/__init__.py

@@ -1,4 +1,13 @@
 from .orders import Order, OrderItem, OrderStatus
 from .products import Product, Category
+from .invoices import Invoice, InvoiceStatus
 
-__all__ = ["Order", "OrderItem", "OrderStatus", "Product", "Category"]
+__all__ = [
+    "Order",
+    "OrderItem",
+    "OrderStatus",
+    "Product",
+    "Category",
+    "Invoice",
+    "InvoiceStatus",
+]

db/models/invoices.py

@@ -0,0 +1,24 @@
+from datetime import datetime
+from enum import Enum as E_cls
+from sqlalchemy import DateTime, func, Enum
+from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.dialects.postgresql import BIGINT
+
+from db.base import Base
+
+
+class InvoiceStatus(E_cls):
+    PENDING = "PENDING"
+    PAID = "PAID"
+    EXPIRED = "EXPIRED"
+
+
+class Invoice(Base):
+    __tablename__ = "invoices"
+
+    id: Mapped[int] = mapped_column(autoincrement=True, primary_key=True)
+    creator_id: Mapped[int] = mapped_column(BIGINT)
+    amount: Mapped[int] = mapped_column(BIGINT)
+    status: Mapped[InvoiceStatus] = mapped_column(Enum(InvoiceStatus))
+    inline_message_id: Mapped[str] = mapped_column(nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())