Thomas Peetz
53 lines
2.0 KiB
Python
53 lines
2.0 KiB
Python
from typing import List
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from sqlalchemy import Column, ForeignKey, Integer, String
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from src.db.models.base import Base, BaseMixin
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class Article(Base, BaseMixin):
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__tablename__ = 'article'
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title: Mapped[str] = mapped_column(unique=True)
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article_authors = relationship("ArticleAuthor")
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class Author(Base, BaseMixin):
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__tablename__ = 'author'
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first_name: Mapped[str]
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last_name: Mapped[str]
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article_authors: Mapped[List["ArticleAuthor"]] = relationship(back_populates="author")
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book_authors: Mapped[List["BookAuthor"]] = relationship(back_populates="author")
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class BookshelfPublisher(Base, BaseMixin):
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__tablename__ = 'bookshelf_publisher'
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name: Mapped[str] = mapped_column(unique=True)
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books: Mapped[List["Book"]] = relationship(back_populates="publisher")
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class Book(Base, BaseMixin):
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__tablename__ = 'book'
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isbn: Mapped[str] = mapped_column(unique=True)
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title: Mapped[str]
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year: Mapped[int] = mapped_column(nullable=False)
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publisher_id: Mapped[str] = mapped_column(ForeignKey("bookshelf_publisher.id"), nullable=False)
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publisher: Mapped[BookshelfPublisher] = relationship(back_populates="books")
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book_authors: Mapped[List["BookAuthor"]] = relationship(back_populates="book")
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class ArticleAuthor(Base, BaseMixin):
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__tablename__ = 'article_author'
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article_id: Mapped[str] = mapped_column(ForeignKey("article.id"), nullable=False)
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article: Mapped[Article] = relationship(back_populates="article_authors")
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author_id: Mapped[str] = mapped_column(ForeignKey("author.id"), nullable=False)
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author: Mapped[Author] = relationship(back_populates="article_authors")
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class BookAuthor(Base, BaseMixin):
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__tablename__ = 'book_author'
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author_id: Mapped[str] = mapped_column(ForeignKey("author.id"), nullable=False)
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author: Mapped[Author] = relationship(back_populates="book_authors")
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book_id: Mapped[str] = mapped_column(ForeignKey("book.id"), nullable=False)
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book: Mapped[Book] = relationship(back_populates="book_authors")
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