http: new_game and get_game demo

src/azul.rs

@@ -7,7 +7,7 @@ use rand::distributions::WeightedIndex;
 use rand::prelude::*;
 
 #[derive(Serialize, Deserialize)]
-struct GameState {
+pub struct GameState {
     n_players: usize,
     current_player: usize,
     starting_player: usize,
@@ -21,10 +21,10 @@ struct GameState {
     players: Vec<Player>,
     #[serde(skip)]
     #[serde(default = "make_rng")]
-    rng: Box<dyn RngCore>,
+    rng: Box<dyn RngCore + Send>,
 }
 
-fn make_rng() -> Box<dyn RngCore> {
+fn make_rng() -> Box<dyn RngCore + Send> {
     Box::new(StdRng::from_entropy())
 }
 

src/main.rs

@@ -1,15 +1,50 @@
+use rocket::response::status::NotFound;
 use rocket::serde::{json::Json, Serialize};
+use rocket::State;
 #[macro_use]
 extern crate rocket;
 
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
+
 mod azul;
 
+#[derive(Default)]
+struct SharedState {
+    games: Arc<Mutex<HashMap<uuid::Uuid, azul::GameState>>>,
+}
+
 #[get("/")]
 fn index() -> String {
     "Hello, world!".to_string()
 }
 
+#[get("/game/<id>")]
+fn get_game(
+    id: uuid::Uuid,
+    shared: &State<SharedState>,
+) -> Result<Json<azul::GameState>, NotFound<&'static str>> {
+    let games = shared.games.lock().unwrap();
+    let game = games.get(&id).ok_or(NotFound("Game not found"))?;
+
+    return Ok(Json(game.to_owned()));
+}
+
+#[get("/new_game")]
+fn new_game(shared: &State<SharedState>) -> Result<Json<uuid::Uuid>, &'static str> {
+    let id = uuid::Uuid::new_v4();
+    let game = azul::GameState::new(2)?;
+
+    let mut games = shared.games.lock().unwrap();
+    games.insert(id, game);
+
+    return Ok(Json(id));
+}
+
 #[launch]
 fn rocket() -> _ {
-    rocket::build().mount("/", routes![index])
+    rocket::build()
+        .manage(SharedState::default())
+        .mount("/", routes![index])
+        .mount("/api/", routes![get_game, new_game])
 }