69 lines
1.7 KiB
Rust
69 lines
1.7 KiB
Rust
use actix_web::{guard, web, App, HttpResponse, HttpServer};
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use async_graphql::http::{playground_source, GQLRequest, GQLResponse, IntoQueryBuilder};
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use async_graphql::{EmptyMutation, EmptySubscription, Object, Schema, SimpleObject, ID};
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use futures::TryFutureExt;
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type MySchema = Schema<Query, EmptyMutation, EmptySubscription>;
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#[SimpleObject]
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struct User {
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#[field]
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id: ID,
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#[field]
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username: String,
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}
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struct Query;
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#[Object(extends)]
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impl Query {
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#[field]
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async fn me(&self) -> User {
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User {
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id: "1234".into(),
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username: "Me".to_string(),
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}
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}
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#[entity]
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async fn find_user_by_id(&self, id: ID) -> User {
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let username = if id == "1234" {
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"Me".to_string()
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} else {
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format!("User {}", id)
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};
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User { id, username }
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}
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}
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async fn index(s: web::Data<MySchema>, req: web::Json<GQLRequest>) -> web::Json<GQLResponse> {
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web::Json(GQLResponse(
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req.into_inner()
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.into_query_builder(&s)
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.and_then(|builder| builder.execute())
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.await,
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))
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}
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async fn gql_playgound() -> HttpResponse {
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HttpResponse::Ok()
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.content_type("text/html; charset=utf-8")
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.body(playground_source("/", None))
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}
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#[actix_rt::main]
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async fn main() -> std::io::Result<()> {
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let schema = Schema::new(Query, EmptyMutation, EmptySubscription);
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HttpServer::new(move || {
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App::new()
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.data(schema.clone())
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.service(web::resource("/").guard(guard::Post()).to(index))
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.service(web::resource("/").guard(guard::Get()).to(gql_playgound))
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})
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.bind("127.0.0.1:4001")?
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.run()
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.await
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}
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