feat: billing guest access

models/deal.py

@@ -1,4 +1,5 @@
 from enum import IntEnum, unique
+from typing import Optional, TYPE_CHECKING
 
 from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Boolean
 from sqlalchemy.orm import relationship, backref, Mapped, mapped_column
@@ -7,6 +8,9 @@ from models.base import BaseModel
 from .marketplace import BaseMarketplace
 from .shipping_warehouse import ShippingWarehouse
 
+if TYPE_CHECKING:
+    from . import DealBillRequest
+
 
 @unique
 class DealStatus(IntEnum):
@@ -33,6 +37,7 @@ class Deal(BaseModel):
 
     is_deleted = Column(Boolean, nullable=False, server_default='0', default=False, comment='Удалена')
     is_completed = Column(Boolean, nullable=False, server_default='0', default=False, comment='Завершена')
+    is_locked: Mapped[bool] = mapped_column(default=False, server_default='0')
 
     shipping_warehouse_id: Mapped[int] = mapped_column(ForeignKey('shipping_warehouses.id'), nullable=True)
     shipping_warehouse: Mapped["ShippingWarehouse"] = relationship()
@@ -58,6 +63,7 @@ class Deal(BaseModel):
     lexorank = Column(String, nullable=False, comment='Lexorank', index=True)
 
     comment = Column(String, nullable=False, server_default='', comment='Коментарий к заданию')
+    bill_request: Mapped[Optional['DealBillRequest']] = relationship(back_populates='deal', lazy='joined')
 
 
 class DealStatusHistory(BaseModel):