Try out rendering some basic components with a websocket

visions/server/src/handlers.rs

@@ -71,9 +71,16 @@ pub struct RegisterResponse {
 pub async fn handle_register_client(core: Core, request: RegisterRequest) -> impl Reply {
     let client_id = core.register_client();
 
-    warp::reply::json(&RegisterResponse {
+    Response::builder()
+        .header("Access-Control-Allow-Origin", "*")
+        .header("Content-Type", "application/json")
+        .body(
+            serde_json::to_string(&RegisterResponse {
                 url: format!("ws://127.0.0.1:8001/ws/{}", client_id),
             })
+            .unwrap(),
+        )
+        .unwrap()
 }
 
 pub async fn handle_unregister_client(core: Core, client_id: String) -> impl Reply {
@@ -95,14 +102,16 @@ pub async fn handle_connect_websocket(
             let mut receiver = core.connect_client(client_id);
 
             tokio::task::spawn(async move {
-                let mut i = 0;
-                ws_sender.send(Message::text(serde_json::to_string(&crate::types::Message::Count(0)).unwrap())).await;
-                while let Some(msg) = receiver.recv().await {
                 let _ = ws_sender
                     .send(Message::text(
-                            serde_json::to_string(&msg).unwrap(),
+                        serde_json::to_string(&crate::types::Message::Count(0)).unwrap(),
                     ))
                     .await;
+                while let Some(msg) = receiver.recv().await {
+                    println!("Relaying message: {:?}", msg);
+                    let _ = ws_sender
+                        .send(Message::text(serde_json::to_string(&msg).unwrap()))
+                        .await;
                 }
             });
         }

visions/server/src/main.rs

@@ -140,6 +140,7 @@ pub async fn main() {
         .map({
             let core = core.clone();
             move |body| {
+                println!("route_publish: {:?}", body);
                 core.publish(body);
                 warp::reply()
             }

visions/ui/package.json

@@ -10,9 +10,14 @@
     "@types/node": "^16.18.119",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
+    "@types/react-router": "^5.1.20",
+    "@types/react-router-dom": "^5.3.3",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-router": "^6.28.0",
+    "react-router-dom": "^6.28.0",
     "react-scripts": "5.0.1",
+    "react-use-websocket": "^4.11.1",
     "typescript": "^4.9.5",
     "web-vitals": "^2.1.4"
   },

visions/ui/src/App.tsx

@@ -1,14 +1,34 @@
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import logo from './logo.svg';
 import './App.css';
-import { PlayingFieldComponent } from './components/PlayingField/PlayingField';
+import { WebsocketPlayingFieldComponent } from './components/PlayingField/PlayingField';
 import { Client } from './client';
+import { createBrowserRouter, RouterProvider } from 'react-router-dom';
+import { GmPlayingFieldComponent } from './components/GmPlayingField/GmPlayingField';
 
 const App = () => {
-    let client = new Client();
+    console.log("rendering app");
+    const client = new Client();
+    const [websocketUrl, setWebsocketUrl] = useState<string | undefined>(undefined);
+
+    useEffect(() => {
+        client.registerWebsocket().then((url) => setWebsocketUrl(url));
+    }, [client]);
+
+    let router =
+        createBrowserRouter([
+            {
+                path: "/gm",
+                element: <GmPlayingFieldComponent client={client} />
+            },
+            {
+                path: "/",
+                element: websocketUrl ? <WebsocketPlayingFieldComponent websocketUrl={websocketUrl} /> : <div> </div>
+            }
+        ]);
     return (
         <div className="App">
-            <PlayingFieldComponent client={client} />
+            <RouterProvider router={router} />
         </div>
     );
 }

visions/ui/src/client.ts

@@ -9,6 +9,20 @@ export class Client {
         this.base = new URL("http://localhost:8001");
     }
 
+    registerWebsocket() {
+        const url = new URL(this.base);
+        url.pathname = `api/v1/client`;
+        return fetch(url, { method: 'POST' }).then((response) => response.json()).then((ws) => ws.url);
+    }
+
+    /*
+    unregisterWebsocket() {
+        const url = new URL(this.base);
+        url.pathname = `api/v1/client`;
+        return fetch(url, { method: 'POST' }).then((response => response.json()));
+    }
+    */
+
     imageUrl(imageId: string) {
         const url = new URL(this.base);
         url.pathname = `/api/v1/image/${imageId}`;

visions/ui/src/components/GmPlayingField/GmPlayingField.tsx

@@ -0,0 +1,29 @@
+import React, { useEffect, useState } from 'react';
+import { Client, PlayingField } from '../../client';
+import { ThumbnailComponent } from '../Thumbnail/Thumbnail';
+import './GmPlayingField.css';
+
+interface GmPlayingFieldProps {
+    client: Client
+}
+
+export const GmPlayingFieldComponent = ({ client }: GmPlayingFieldProps) => {
+    const [field, setField] = useState<PlayingField | undefined>(undefined);
+    useEffect(() => {
+        client.playingField().then((field) => setField(field));
+    }, [client]);
+
+    const [images, setImages] = useState<string[]>([]);
+    useEffect(() => {
+        client.availableImages().then((images) => setImages(images));
+    }, [client]);
+
+    const backgroundUrl = field && client.imageUrl(field.backgroundImage);
+    return (<div className="playing-field">
+        <div>
+            {images.map((imageName) => <ThumbnailComponent client={client} imageId={imageName} />)}
+        </div>
+        <div className="playing-field__background"> {backgroundUrl && <img src={backgroundUrl.toString()} alt="playing field" />} </div>
+    </div>)
+}
+

visions/ui/src/components/PlayingField/PlayingField.tsx

@@ -1,17 +1,13 @@
-import React, { useEffect, useState } from 'react';
+import React, { useEffect, useState, useCallback } from 'react';
 import { Client, PlayingField } from '../../client';
-import { ThumbnailComponent } from '../Thumbnail';
+import { ThumbnailComponent } from '../Thumbnail/Thumbnail';
 import './PlayingField.css';
+import useWebSocket, { ReadyState } from 'react-use-websocket';
 
-interface PlayingFieldProps {
-    client: Client
-}
-
+/*
 export const PlayingFieldComponent = ({ client }: PlayingFieldProps) => {
+    const [socketUrl, setSocketUrl] = useState<string | undefined>(undefined);
     const [field, setField] = useState<PlayingField | undefined>(undefined);
-    useEffect(() => {
-        client.playingField().then((field) => setField(field));
-    }, [client]);
 
     const [images, setImages] = useState<string[]>([]);
     useEffect(() => {
@@ -27,3 +23,48 @@ export const PlayingFieldComponent = ({ client }: PlayingFieldProps) => {
         <div> Right Panel </div>
     </div>)
 }
+*/
+
+interface WebsocketPlayingFieldProps {
+    websocketUrl: string;
+}
+
+export const WebsocketPlayingFieldComponent = ({ websocketUrl }: WebsocketPlayingFieldProps) => {
+    const { lastMessage, readyState } = useWebSocket(websocketUrl);
+
+    useEffect(() => {
+        if (lastMessage !== null) {
+            console.log("last message: ", lastMessage);
+        }
+    }, [lastMessage]);
+
+    const connectionStatus = {
+        [ReadyState.CONNECTING]: 'Connecting',
+        [ReadyState.OPEN]: 'Open',
+        [ReadyState.CLOSING]: 'Closing',
+        [ReadyState.CLOSED]: 'Closed',
+        [ReadyState.UNINSTANTIATED]: 'Uninstantiated',
+    }[readyState];
+
+    return <PlayingFieldComponent backgroundUrl={undefined} connectionStatus={connectionStatus} />;
+}
+
+interface PlayingFieldProps {
+    backgroundUrl: string | undefined;
+    connectionStatus: string;
+}
+
+export const PlayingFieldComponent = ({ backgroundUrl, connectionStatus }: PlayingFieldProps) => {
+    if (backgroundUrl) {
+        return (<div className="playing-field">
+            <div className="playing-field__background"> {backgroundUrl && <img src={backgroundUrl.toString()} alt="playing field" />} </div>
+            <div> {connectionStatus} </div>
+        </div>)
+    } else {
+        return (<div className="playing-field">
+            <div> </div>
+            <div> {connectionStatus} </div>
+        </div>
+        );
+    }
+}

visions/ui/src/components/Thumbnail/Thumbnail.tsx

@@ -1,5 +1,5 @@
 import React, { useEffect, useState } from 'react';
-import { Client } from '../client';
+import { Client } from '../../client';
 import './Thumbnail.css';
 
 interface ThumbnailProps {