feat: assignment of employees to deals

models/auth.py

@@ -9,7 +9,7 @@ from models.work_shifts import WorkShift
 
 if TYPE_CHECKING:
     from models.payroll import PayRate, PaymentRecord
-    from models import Deal
+    from models import Deal, Assignment
 
 role_permissions = Table(
     'role_permissions',
@@ -121,6 +121,11 @@ class User(BaseModel):
         cascade="all, delete-orphan"
     )
 
+    assignments: Mapped[list['Assignment']] = relationship(
+        back_populates='user',
+        lazy='selectin'
+    )
+
 
 class Position(BaseModel):
     __tablename__ = 'positions'

models/deal.py

@@ -108,6 +108,8 @@ class Deal(BaseModel):
     pallets: Mapped[list[Pallet]] = relationship(back_populates='deal', lazy='selectin')
     boxes: Mapped[list[Box]] = relationship(back_populates='deal', lazy='selectin')
 
+    assignments: Mapped[list['Assignment']] = relationship(back_populates='deal', lazy='selectin')
+
 
 class DealStatusHistory(BaseModel):
     __tablename__ = 'deals_status_history'
@@ -126,3 +128,14 @@ class DealStatusHistory(BaseModel):
     next_status_deadline = Column(DateTime,
                                   comment='Дедлайн до которого сделку нужно перевести на следующий этап')
     comment = Column(String, nullable=False, comment='Коментарий', server_default='')
+
+
+class Assignment(BaseModel):
+    __tablename__ = 'assignments'
+    user_id: Mapped[int] = mapped_column(ForeignKey('users.id'), primary_key=True)
+    user: Mapped['User'] = relationship('User', back_populates='assignments', lazy='selectin')
+
+    deal_id: Mapped[int] = mapped_column(ForeignKey('deals.id'), primary_key=True)
+    deal: Mapped[Deal] = relationship('Deal', back_populates='assignments', lazy='selectin')
+
+    created_at: Mapped[datetime] = mapped_column()