Добавление выдач

library_service/models/db/book.py

@@ -5,6 +5,7 @@ from sqlmodel import Field, Relationship
 
 from library_service.models.dto.book import BookBase
 from library_service.models.db.links import AuthorBookLink, GenreBookLink
+from library_service.models.enums import BookStatus
 
 if TYPE_CHECKING:
     from .author import Author
@@ -14,9 +15,11 @@ if TYPE_CHECKING:
 class Book(BookBase, table=True):
     """Модель книги в базе данных"""
     id: int | None = Field(default=None, primary_key=True, index=True)
+    status: BookStatus = Field(default=BookStatus.ACTIVE)
     authors: List["Author"] = Relationship(
         back_populates="books", link_model=AuthorBookLink
     )
     genres: List["Genre"] = Relationship(
         back_populates="books", link_model=GenreBookLink
     )
+    loans: List["BookUserLink"] = Relationship(sa_relationship_kwargs={"cascade": "all, delete"})