WIP on trying to get working graphql server

api/Cargo.toml

@@ -4,15 +4,19 @@ version = "0.1.0"
 authors = ["projectmoon <projectmoon@agnos.is>"]
 edition = "2018"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
-tonic = { git = "https://github.com/hyperium/tonic", branch = "master" }
-tonic-web = { git = "https://github.com/hyperium/tonic", branch = "master" }
+log = "0.4"
+tracing-subscriber = "0.2"
+tonic = { version = "0.4" }
 prost = "0.7"
+once_cell = "1.7"
 tenebrous-rpc = { path = "../rpc" }
-tokio-stream = { version = "0.1", features = ["net"] }
+juniper = { git = "https://github.com/graphql-rust/juniper", branch = "master" }
+juniper_rocket_async = { git = "https://github.com/graphql-rust/juniper", branch = "master" }
+rocket = { git = "https://github.com/SergioBenitez/Rocket", branch = "master" }
+warp = "0.2"
+#tokio-stream = { version = "0.1", features = ["net"] } # needed for grpc-web?
 
-[dependencies.tokio]
-version = "1"
-features = [ "full" ]
+# [dependencies.tokio]
+# version = "1"
+# features = [ "full" ]

api/src/grpc_web.rs

@@ -0,0 +1,42 @@
+// use std::net::SocketAddr;
+// use tenebrous_rpc::protos::web_api::{
+//     web_api_server::{WebApi, WebApiServer},
+//     RoomsListReply, UserIdRequest,
+// };
+// use tokio::net::TcpListener;
+// use tokio_stream::wrappers::TcpListenerStream;
+// use tonic::{transport::Server, Request, Response, Status};
+
+//grpc-web stuff
+// struct WebApiService;
+
+// #[tonic::async_trait]
+// impl WebApi for WebApiService {
+//     async fn list_room(
+//         &self,
+//         request: Request<UserIdRequest>,
+//     ) -> Result<Response<RoomsListReply>, Status> {
+//         println!("Hello hopefully from a web browser");
+//         Ok(Response::new(RoomsListReply { rooms: vec![] }))
+//     }
+// }
+
+// #[tokio::main]
+// pub async fn grpc_web() -> Result<(), Box<dyn std::error::Error>> {
+//     let addr = SocketAddr::from(([127, 0, 0, 1], 10000));
+//     let listener = TcpListener::bind(addr).await.expect("listener");
+//     let url = format!("http://{}", listener.local_addr().unwrap());
+//     println!("Listening at {}", url);
+
+//     let svc = tonic_web::config()
+//         .allow_origins(vec!["http://localhost:8000"])
+//         .enable(WebApiServer::new(WebApiService));
+
+//     let fut = Server::builder()
+//         .accept_http1(true)
+//         .add_service(svc)
+//         .serve_with_incoming(TcpListenerStream::new(listener));
+
+//     fut.await?;
+//     Ok(())
+// }

api/src/main.rs

@@ -1,41 +1,155 @@
-use std::net::SocketAddr;
-use tenebrous_rpc::protos::web_api::{
-    web_api_server::{WebApi, WebApiServer},
-    RoomsListReply, UserIdRequest,
+use juniper::{
+    graphql_object, EmptyMutation, EmptySubscription, FieldError, FieldResult, GraphQLObject,
+    RootNode,
 };
-use tokio::net::TcpListener;
-use tokio_stream::wrappers::TcpListenerStream;
-use tonic::{transport::Server, Request, Response, Status};
+use once_cell::sync::OnceCell;
+use rocket::{response::content, Rocket, State};
+use std::cell::RefCell;
+use std::env;
+use std::sync::{Arc, RwLock};
+use tenebrous_rpc::protos::dicebot::dicebot_client::DicebotClient;
+use tenebrous_rpc::protos::dicebot::GetVariableRequest;
+use tonic::{metadata::MetadataValue, transport::Channel as TonicChannel, Request as TonicRequest};
+use tracing_subscriber::filter::EnvFilter;
 
-struct WebApiService;
+//grpc stuff
+async fn create_client(
+    shared_secret: &str,
+) -> Result<DicebotClient<TonicChannel>, Box<dyn std::error::Error>> {
+    let channel = TonicChannel::from_static("http://0.0.0.0:9090")
+        .connect()
+        .await?;
 
-#[tonic::async_trait]
-impl WebApi for WebApiService {
-    async fn list_room(
-        &self,
-        request: Request<UserIdRequest>,
-    ) -> Result<Response<RoomsListReply>, Status> {
-        println!("Hello hopefully from a web browser");
-        Ok(Response::new(RoomsListReply { rooms: vec![] }))
+    let bearer = MetadataValue::from_str(&format!("Bearer {}", shared_secret))?;
+    let client = DicebotClient::with_interceptor(channel, move |mut req: TonicRequest<()>| {
+        req.metadata_mut().insert("authorization", bearer.clone());
+        Ok(req)
+    });
+
+    Ok(client)
+}
+
+//api stuff
+#[derive(GraphQLObject)]
+#[graphql(description = "User variable in a room.")]
+struct UserVariable {
+    room_id: String,
+    variable_name: String,
+    value: i32,
+}
+
+//graphql shit
+#[derive(Clone)]
+struct Context {
+    dicebot_client: DicebotClient<TonicChannel>,
+}
+
+// To make our context usable by Juniper, we have to implement a marker trait.
+impl juniper::Context for Context {}
+
+#[derive(Clone, Copy, Debug)]
+struct Query;
+
+#[graphql_object(
+    // Here we specify the context type for the object.
+    // We need to do this in every type that
+    // needs access to the context.
+    context = Context,
+)]
+impl Query {
+    fn apiVersion() -> &str {
+        "1.0"
+    }
+
+    async fn variable(
+        context: &mut Context,
+        room_id: String,
+        user_id: String,
+        variable: String,
+    ) -> FieldResult<UserVariable> {
+        let request = TonicRequest::new(GetVariableRequest {
+            room_id: room_id.clone(),
+            user_id: user_id.clone(),
+            variable_name: variable.clone(),
+        });
+
+        let response = context
+            .dicebot_client
+            .clone()
+            .get_variable(request)
+            .await?
+            .into_inner();
+
+        Ok(UserVariable {
+            room_id: room_id.clone(),
+            variable_name: variable.clone(),
+            value: response.value,
+        })
     }
 }
 
-#[tokio::main]
+type Schema = RootNode<'static, Query, EmptyMutation<Context>, EmptySubscription<Context>>;
+
+fn schema() -> Schema {
+    Schema::new(
+        Query,
+        EmptyMutation::<Context>::new(),
+        EmptySubscription::<Context>::new(),
+    )
+}
+
+//rocket stuff
+
+#[rocket::get("/")]
+fn graphiql() -> content::Html<String> {
+    juniper_rocket_async::graphiql_source("/graphql", None)
+}
+
+#[rocket::get("/graphql?<request>")]
+fn get_graphql_handler(
+    context: &State<Context>,
+    request: juniper_rocket_async::GraphQLRequest,
+    schema: &State<Schema>,
+) -> juniper_rocket_async::GraphQLResponse {
+    request.execute_sync(&*schema, &*context)
+}
+
+#[rocket::post("/graphql", data = "<request>")]
+fn post_graphql_handler(
+    context: &State<Context>,
+    request: juniper_rocket_async::GraphQLRequest,
+    schema: &State<Schema>,
+) -> juniper_rocket_async::GraphQLResponse {
+    request.execute_sync(&*schema, &*context)
+}
+
+#[rocket::main]
 pub async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let addr = SocketAddr::from(([127, 0, 0, 1], 10000));
-    let listener = TcpListener::bind(addr).await.expect("listener");
-    let url = format!("http://{}", listener.local_addr().unwrap());
-    println!("Listening at {}", url);
+    let filter = if env::var("RUST_LOG").is_ok() {
+        EnvFilter::from_default_env()
+    } else {
+        EnvFilter::new("warp_async")
+    };
 
-    let svc = tonic_web::config()
-        .allow_origins(vec!["http://localhost:8000"])
-        .enable(WebApiServer::new(WebApiService));
+    tracing_subscriber::fmt().with_env_filter(filter).init();
 
-    let fut = Server::builder()
-        .accept_http1(true)
-        .add_service(svc)
-        .serve_with_incoming(TcpListenerStream::new(listener));
+    let log = warp::log("warp_server");
+    let client = create_client("abc123").await?;
 
-    fut.await?;
+    log::info!("Listening on 127.0.0.1:8080");
+    let context = Context {
+        dicebot_client: client,
+    };
+
+    Rocket::build()
+        .manage(client)
+        .manage(schema())
+        .mount(
+            "/",
+            rocket::routes![graphiql, get_graphql_handler, post_graphql_handler],
+        )
+        .launch()
+        .await
+        .expect("server to launch");
     Ok(())
 }

dicebot/Cargo.toml

@@ -36,7 +36,7 @@ barrel = { version = "0.6", features = ["sqlite3"] }
 tempfile = "3"
 substring = "1.4"
 fuse-rust = "0.2"
-tonic = { git = "https://github.com/hyperium/tonic", branch = "master" }
+tonic = { version = "0.4" }
 prost = "0.7"
 tenebrous-rpc = { path = "../rpc" }
 

dicebot/src/bin/tonic_client.rs

@@ -10,12 +10,10 @@ async fn create_client(
         .await?;
 
     let bearer = MetadataValue::from_str(&format!("Bearer {}", shared_secret))?;
-    let client = DicebotClient::new(channel);
-
-    // let client = DicebotClient::with_interceptor(channel, move |mut req: Request<()>| {
-    //     req.metadata_mut().insert("authorization", bearer.clone());
-    //     Ok(req)
-    // });
+    let client = DicebotClient::with_interceptor(channel, move |mut req: Request<()>| {
+        req.metadata_mut().insert("authorization", bearer.clone());
+        Ok(req)
+    });
 
     Ok(client)
 }

rpc/Cargo.toml

@@ -13,8 +13,8 @@ default = ["tonic/default", "tonic-build/default"]
 wasm = [ "tonic/codegen", "tonic/prost", "tonic-build/prost"]
 
 [build-dependencies]
-tonic-build = { git = "https://github.com/hyperium/tonic", branch = "master", default_features = false }
+tonic-build = { version = "0.4", default_features = false }
 
 [dependencies]
-tonic = { git = "https://github.com/hyperium/tonic", branch = "master", default_features = false }
+tonic = { version = "0.4", default_features = false }
 prost = "0.7"

web-ui/crate/Cargo.toml

@@ -9,21 +9,18 @@ edition = "2018"
 [lib]
 crate-type = ["cdylib", "rlib"]
 
-
-[build-dependencies]
-tonic-build = { version = "0.4", default-features = false, features = ["prost"] }
-
 [dependencies]
-yew = { version = "0.17", default_features = false }#features = [ "agent", "web-sys" ] }
+yew = { version = "0.17" }
 yewtil = {version = "0.3" }
-yew-router = {version = "0.14", default_features = false }
-yewdux = {version = "^0.6", default_features = false }
-wasm-bindgen = { version = "0.2", default-features = false, features = ["serde-serialize"] }
+yew-router = {version = "0.14" }
+yewdux = {version = "^0.6" }
+wasm-bindgen = { version = "0.2" }
 grpc-web-client = "0.1"
-prost = { version = "0.7.0", default-features = false }
-tonic = { git = "https://github.com/hyperium/tonic", branch = "master", default-features = false, features = ["codegen", "prost"] }
-tenebrous-rpc = { path = "../../rpc", default_features = false, features = ["wasm"] }
 
-# [dependencies.tokio]
-# version = "1"
-# features = [ "rt", "sync" ]
+# hopefully we can add grpc-web later instead of graphql.
+# prost = { version = "0.7.0", default-features = false }
+# tonic = { git = "https://github.com/hyperium/tonic", branch = "master", default-features = false, features = ["codegen", "prost"] }
+# tenebrous-rpc = { path = "../../rpc", default_features = false, features = ["wasm"] }
+
+# [build-dependencies]
+# tonic-build = { version = "0.4", default-features = false, features = ["prost"] }

web-ui/crate/src/grpc.rs

@@ -1,15 +1,15 @@
-async fn test_grpc_web() {
-    use grpc_web_client::Client as GrpcWebClient;
-    use tenebrous_rpc::protos::web_api::web_api_client::WebApiClient as TheCloud;
-    use tenebrous_rpc::protos::web_api::{RoomsListReply, UserIdRequest};
+// async fn test_grpc_web() {
+//     use grpc_web_client::Client as GrpcWebClient;
+//     use tenebrous_rpc::protos::web_api::web_api_client::WebApiClient as TheCloud;
+//     use tenebrous_rpc::protos::web_api::{RoomsListReply, UserIdRequest};
 
-    let client = GrpcWebClient::new("http://localhost:10000".to_string());
-    let mut client = TheCloud::new(client);
+//     let client = GrpcWebClient::new("http://localhost:10000".to_string());
+//     let mut client = TheCloud::new(client);
 
-    let request = tonic::Request::new(UserIdRequest {
-        user_id: "WebTonic".into(),
-    });
+//     let request = tonic::Request::new(UserIdRequest {
+//         user_id: "WebTonic".into(),
+//     });
 
-    let response = client.list_room(request).await.unwrap().into_inner();
-    println!("Room reply: {:?}", response);
-}
+//     let response = client.list_room(request).await.unwrap().into_inner();
+//     println!("Room reply: {:?}", response);
+// }