Добавление авторизации и фронтэнда

library_service/models/db/role.py

@@ -0,0 +1,20 @@
+"""Модуль DB-моделей ролей"""
+from typing import TYPE_CHECKING, List
+
+from sqlmodel import Field, Relationship
+
+from library_service.models.dto.role import RoleBase
+from library_service.models.db.links import UserRoleLink
+
+if TYPE_CHECKING:
+    from .user import User
+
+
+class Role(RoleBase, table=True):
+    """Модель роли в базе данных"""
+    __tablename__ = "roles"
+
+    id: int | None = Field(default=None, primary_key=True, index=True)
+
+    # Связи
+    users: List["User"] = Relationship(back_populates="roles", link_model=UserRoleLink)