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import logging
from typing import List
import strawberry
from fastapi import FastAPI
from strawberry.fastapi import GraphQLRouter
logger = logging.getLogger(__name__)
authors = {}
books = {}
book_authors = {}
authors_books = {}
def get_author_for_book(root) -> "Author":
return authors[book_authors[root.id]]
@strawberry.type
class Book:
id: int
title: str
author: "Author" = strawberry.field(resolver=get_author_for_book)
def get_books_for_author(root) -> List[Book]:
print(f"getting books for {root}")
return [books[i] for i in authors_books[root.id]]
@strawberry.type
class Author:
id: int
name: str
books: List[Book] = strawberry.field(resolver=get_books_for_author)
authors = {1: Author(id=1, name="Michael Crichton")}
books = {1: Book(id=1, title="Jurassic Park")}
# relationships
book_authors[1] = 1
authors_books[1] = [1]
def get_author_by_id(id: int) -> Author:
return authors.get(id)
def get_book_by_id(id: int) -> Book:
return books.get(id)
def get_authors(root) -> List[Author]:
return authors.values()
def get_books(root) -> List[Book]:
print(books)
print(authors)
print(book_authors)
print(authors_books)
return books.values()
@strawberry.typ...
Posts tagged: graphql
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latest post 2024-03-20