async-graphql/examples/actix-web.rs

mod starwars;

use actix_web::{guard, web, App, HttpResponse, HttpServer};
use async_graphql::http::{graphiql_source, playground_source, GQLRequest, GQLResponse};
use async_graphql::{EmptyMutation, EmptySubscription, Schema};
use futures::TryFutureExt;

type StarWarsSchema = Schema<starwars::QueryRoot, EmptyMutation, EmptySubscription>;

async fn index(s: web::Data<StarWarsSchema>, req: web::Json<GQLRequest>) -> web::Json<GQLResponse> {
    web::Json(GQLResponse(
        futures::future::ready(req.into_inner().into_query_builder(&s))
            .and_then(|builder| builder.execute())
            .await,
    ))
}

async fn gql_playgound() -> HttpResponse {
    HttpResponse::Ok()
        .content_type("text/html; charset=utf-8")
        .body(playground_source("/", None))
}

async fn gql_graphiql() -> HttpResponse {
    HttpResponse::Ok()
        .content_type("text/html; charset=utf-8")
        .body(graphiql_source("/"))
}

#[actix_rt::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(move || {
        App::new()
            .data(
                Schema::build(starwars::QueryRoot, EmptyMutation, EmptySubscription)
                    .data(starwars::StarWars::new())
                    .extension(|| async_graphql::extensions::ApolloTracing::default())
                    .finish(),
            )
            .service(web::resource("/").guard(guard::Post()).to(index))
            .service(web::resource("/").guard(guard::Get()).to(gql_playgound))
            .service(
                web::resource("/graphiql")
                    .guard(guard::Get())
                    .to(gql_graphiql),
            )
    })
    .bind("127.0.0.1:8000")?
    .run()
    .await
}