Add an example for tide

I haven't used tide before,
but it looks quite similar to
actix-web.
I modeled this example on the actix-web one,
and it seems to have worked perfectly.

Cargo.toml

@@ -34,6 +34,8 @@ async-std = { version = "1.5.0", features = ["attributes"] }
 actix-web = "2.0.0"
 actix-rt = "1.0.0"
 slab = "0.4.2"
+tide = "0.6.0"
+mime = "0.3.16"
 
 [workspace]
 members = [

README.md

@@ -86,7 +86,7 @@
 - [ ] Integration examples
     - [X] Actix-web
     - [ ] Hyper
-    - [ ] Tide
+    - [X] Tide
 
 ## License
 

examples/tide.rs

@@ -0,0 +1,38 @@
+mod starwars;
+
+use async_graphql::http::{graphiql_source, playground_source, GQLRequest};
+use async_graphql::{GQLEmptyMutation, Schema};
+use mime;
+use tide::{self, Request, Response};
+
+type StarWarsSchema = Schema<starwars::QueryRoot, GQLEmptyMutation>;
+
+async fn index(mut request: Request<StarWarsSchema>) -> Response {
+    let gql_request: GQLRequest = request.body_json().await.unwrap();
+    let schema = request.state();
+    let gql_response = gql_request.execute(schema).await;
+    Response::new(200).body_json(&gql_response).unwrap()
+}
+
+async fn gql_playground(_request: Request<StarWarsSchema>) -> Response {
+    Response::new(200)
+        .body_string(playground_source("/"))
+        .set_mime(mime::TEXT_HTML_UTF_8)
+}
+async fn gql_graphiql(_request: Request<StarWarsSchema>) -> Response {
+    Response::new(200)
+        .body_string(graphiql_source("/"))
+        .set_mime(mime::TEXT_HTML_UTF_8)
+}
+
+#[async_std::main]
+async fn main() -> std::io::Result<()> {
+    let mut app = tide::with_state(Schema::new(
+        starwars::QueryRoot(starwars::StarWars::new()),
+        GQLEmptyMutation,
+    ));
+    app.at("/").post(index);
+    app.at("/").get(gql_playground);
+    app.at("/graphiql").get(gql_graphiql);
+    app.listen("0.0.0.0:8000").await
+}