poetry new swapi-graphql
cd swapi-graphql

poetry add fastapi graphene uvicorn

import graphene
from graphene import ObjectType

class Film(ObjectType):
    title = graphene.String(required=True)
    episode_id = graphene.Int(required=True)
    opening_crawl = graphene.String(description="The opening paragraphs at the beginning of the film.")
    director = graphene.String()
    producer = graphene.String()
    release_date = graphene.String()

from graphene import ObjectType, Field, List
from .schema import Film
import swapi_graphql.db as db


class Query(ObjectType):
    films = Field(
        List(Film), description="Get films in the Lucas-era Star Wars franchise"
    )

    async def resolve_films(self, info):
        return db.get_films()

from fastapi import FastAPI
from graphql.execution.executors.asyncio import AsyncioExecutor
from starlette.graphql import GraphQLApp
from graphene import Schema, ObjectType, Field, List

app = FastAPI()
app.add_route(
    "/graphql", GraphQLApp(schema=Schema(query=Query), executor_class=AsyncioExecutor)
)

uvicorn swapi_graphql.main:app --reload

class Query(ObjectType):
    films = Field(
        List(Film),
        episode_ids=List(Int),
        description="Get films in the Lucas-era Star Wars franchise",
    )

    async def resolve_films(self, info, episode_ids=[]):
        films = db.get_films()

        if episode_ids:
            films = [film for film in films if film["episode_id"] in episode_ids]

        return films

class Character(ObjectType):
    name = graphene.String()
    birth_year = graphene.String()
    eye_color = graphene.String()
    gender = graphene.String()
    hair_colour = graphene.String()
    height = graphene.Int()
    mass = graphene.Float()
    skin_color = graphene.String()

class Film(ObjectType):
    ...
    characters = graphene.List(Character)

async def resolve_films(self, info, episodes=[]):
    ...
    for f in films:
        f["characters"] = db.get_characters_for_film(f)

class AddFilm(Mutation):
    film = Field(Film)

    class Arguments:
        film = Argument(AddFilmInput)

    async def mutate(self, info, film):
        new_film = db.add_film(film)
        return AddFilm(film=new_film)

class AddFilmInput(InputObjectType):
    title = graphene.String(required=True)
    episode_id = graphene.Int(required=True)
    opening_crawl = graphene.String()
    director = graphene.String()
    producer = graphene.String()
    release_date = graphene.String()

mutation {
  addFilm(film: {title: "The Force Awakens", episodeId: 7, director: "J. J. Abrams", producer: "Kathleen Kennedy", releaseDate: "2015-12-18", openingCrawl: "Luke Skywalker has vanished.\r\nIn his absence, the sinister\r\nFIRST ORDER has risen from\r\nthe ashes of the Empire\r\nand will not rest until\r\nSkywalker, the last Jedi,\r\nhas been destroyed.\r\n\r\nWith the support of the\r\nREPUBLIC, General Leia Organa\r\nleads a brave RESISTANCE.\r\nShe is desperate to find her\r\nbrother Luke and gain his\r\nhelp in restoring peace\r\nand justice to the galaxy.\r\n\r\nLeia has sent her most daring\r\npilot on a secret mission\r\nto Jakku, where an old ally\r\nhas discovered a clue to\r\nLuke's whereabouts...."}) {
    film {
      title
      episodeId
    }
  }
}

for existing_film in films:
    if film["episode_id"] == existing_film["episode_id"]:
        raise Exception(f"Episode {film.episode_id} already exists!")