Update Juniper example (#197)

juniper/Cargo.toml

@@ -1,15 +1,14 @@
 [package]
 name = "juniper-example"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["pyros2097 <pyros2097@gmail.com>"]
 workspace = ".."
 edition = "2018"
 
 [dependencies]
-actix-web = "1.0.0"
+actix-web = "1.0.9"
-env_logger = "0.6"
+env_logger = "0.7.1"
-futures = "0.1"
+serde = "1.0.103"
-serde = "1.0"
+serde_json = "1.0.44"
-serde_json = "1.0"
+serde_derive = "1.0.103"
-serde_derive = "1.0"
+juniper = "0.14.1"
-juniper = "0.9.2"

juniper/README.md

@@ -1,6 +1,8 @@
-# juniper
+# Juniper
 
-Juniper integration for Actix web
+[Juniper](https://github.com/graphql-rust/juniper) integration for Actix web
+
+## Usage
 
 ### server
 
@@ -13,3 +15,57 @@ cargo run (or ``cargo watch -x run``)
 ### web client
 
 [http://127.0.0.1:8080/graphiql](http://127.0.0.1:8080/graphiql)
+
+_Query example:_
+```graphql
+{
+  human(id: "1234") {
+    name
+    appearsIn
+    homePlanet
+  }
+}
+```
+_Result:_
+```json
+{
+  "data": {
+    "human": {
+      "name": "Luke",
+      "appearsIn": [
+        "NEW_HOPE"
+      ],
+      "homePlanet": "Mars"
+    }
+  }
+}
+```
+
+_Mutation example:_
+
+```graphql
+mutation {
+  createHuman(newHuman: {name: "Fresh Kid Ice", appearsIn: EMPIRE, homePlanet: "earth"}) {
+    id
+    name
+    appearsIn
+    homePlanet
+  }
+}
+```
+
+_Result:_
+```json
+{
+  "data": {
+    "createHuman": {
+      "id": "1234",
+      "name": "Fresh Kid Ice",
+      "appearsIn": [
+        "EMPIRE"
+      ],
+      "homePlanet": "earth"
+    }
+  }
+}
+```

juniper/src/main.rs

@@ -8,7 +8,6 @@ use std::sync::Arc;
 extern crate juniper;
 
 use actix_web::{middleware, web, App, Error, HttpResponse, HttpServer};
-use futures::future::Future;
 use juniper::http::graphiql::graphiql_source;
 use juniper::http::GraphQLRequest;
 
@@ -26,17 +25,14 @@ fn graphiql() -> HttpResponse {
 fn graphql(
   st: web::Data<Arc<Schema>>,
   data: web::Json<GraphQLRequest>,
-) -> impl Future<Item = HttpResponse, Error = Error> {
+) -> Result<HttpResponse, Error> {
-    web::block(move || {
   let res = data.execute(&st, &());
-        Ok::<_, serde_json::error::Error>(serde_json::to_string(&res)?)
+  let user = serde_json::to_string(&res)?;
-    })
+  Ok(
-    .map_err(Error::from)
+    HttpResponse::Ok()
-    .and_then(|user| {
-        Ok(HttpResponse::Ok()
       .content_type("application/json")
-            .body(user))
+      .body(user)
-    })
+  )
 }
 
 fn main() -> io::Result<()> {