Добавление авторизации и фронтэнда

library_service/models/db/book.py

@@ -1,7 +1,10 @@
-from typing import List, Optional, TYPE_CHECKING
-from sqlmodel import SQLModel, Field, Relationship
-from ..dto.book import BookBase
-from .links import AuthorBookLink, GenreBookLink
+"""Модуль DB-моделей книг"""
+from typing import TYPE_CHECKING, List
+
+from sqlmodel import Field, Relationship
+
+from library_service.models.dto.book import BookBase
+from library_service.models.db.links import AuthorBookLink, GenreBookLink
 
 if TYPE_CHECKING:
     from .author import Author
@@ -9,7 +12,8 @@ if TYPE_CHECKING:
 
 
 class Book(BookBase, table=True):
-    id: Optional[int] = Field(default=None, primary_key=True, index=True)
+    """Модель книги в базе данных"""
+    id: int | None = Field(default=None, primary_key=True, index=True)
     authors: List["Author"] = Relationship(
         back_populates="books", link_model=AuthorBookLink
     )