Files
LibraryAPI/library_service/models/db/links.py
2025-06-24 21:47:07 +03:00

31 lines
1.2 KiB
Python

from sqlmodel import SQLModel, Field
from typing import List
from library_service.models.dto.author import AuthorRead
from library_service.models.dto.book import BookRead
from library_service.models.dto.genre import GenreRead
class AuthorBookLink(SQLModel, table=True):
author_id: int | None = Field(default=None, foreign_key="author.id", primary_key=True)
book_id: int | None = Field(default=None, foreign_key="book.id", primary_key=True)
class GenreBookLink(SQLModel, table=True):
genre_id: int | None = Field(default=None, foreign_key="genre.id", primary_key=True)
book_id: int | None = Field(default=None, foreign_key="book.id", primary_key=True)
class AuthorWithBooks(AuthorRead):
books: List[BookRead] = Field(default_factory=list)
class BookWithAuthors(BookRead):
authors: List[AuthorRead] = Field(default_factory=list)
class BookWithGenres(BookRead):
genres: List[GenreRead] = Field(default_factory=list)
class GenreWithBooks(GenreRead):
books: List[BookRead] = Field(default_factory=list)
class BookWithAuthorsAndGenres(BookRead):
authors: List[AuthorRead] = Field(default_factory=list)
genres: List[GenreRead] = Field(default_factory=list)