Common authentication mechanism with server-to-server flow works..

deploy/config.json

@@ -0,0 +1 @@
+{"appName":"spotube"}

deploy/linux/spotube/default.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Type=Application
+Name=Application
+Exec=AppRun %F
+Icon=default
+Comment=Edit this default file
+Terminal=true
+Categories=Utility;

deploy/linux/spotube/index.js

@@ -0,0 +1,6 @@
+const path = require("path");
+// Fix so that linux resources are found correctly
+// since webpack will bundle them such that the expected path is /dist from cwd
+process.chdir(path.resolve(path.dirname(process.execPath)));
+// Now start loading the actual bundle
+require("./dist");

deploy/linux/spotube/qode.json

@@ -0,0 +1,3 @@
+{
+  "distPath": "./index.js"
+}

src/app.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useRef } from "react";
-import { Window, hot, View } from "@nodegui/react-nodegui";
-import { QIcon, QMainWindow, WidgetEventTypes, WindowState } from "@nodegui/nodegui";
+import { Window, hot, View, useEventHandler } from "@nodegui/react-nodegui";
+import { QIcon, QKeyEvent, QMainWindow, QMainWindowSignals, WidgetEventTypes, WindowState } from "@nodegui/nodegui";
 import nodeguiIcon from "../assets/nodegui.jpg";
 import { MemoryRouter } from "react-router";
 import Routes from "./routes";
@@ -13,7 +13,7 @@ import { redirectURI } from "./conf";
 
 export enum CredentialKeys {
   credentials = "credentials",
-  refresh_token = "refresh_token"
+  refresh_token = "refresh_token",
 }
 
 export interface Credentials {
@@ -27,15 +27,52 @@ global.localStorage = new LocalStorage("./local");
 
 function RootApp() {
   const windowRef = useRef<QMainWindow>();
+  const [currentTrack, setCurrentTrack] = useState<CurrentTrack>();
+
+  const windowEvents = useEventHandler<QMainWindowSignals>(
+    {
+     async KeyRelease(nativeEv) {
+       try {
+         
+        if (nativeEv) {
+          const event = new QKeyEvent(nativeEv);
+          const eventKey = event.key();
+          console.log('eventKey:', eventKey)
+          if(audioPlayer.isRunning() && currentTrack)
+          switch (eventKey) {
+            case 32: //space
+              await audioPlayer.isPaused() ?
+                await audioPlayer.play() : await audioPlayer.pause();
+              break;
+            case 16777236: //arrow-right
+              await audioPlayer.isSeekable() && await audioPlayer.seek(+5);
+              break;
+            case 16777234: //arrow-left
+              await audioPlayer.isSeekable() && await audioPlayer.seek(-5);
+              break;
+            default:
+              break;
+          }
+        }
+       } catch (error) {
+         console.error("Error in window events: ", error)
+       }
+      },
+    },
+    [currentTrack]
+  );
+
   const [isLoggedIn, setIsLoggedIn] = useState<boolean>(false);
   const [credentials, setCredentials] = useState<Credentials>({ clientId: "", clientSecret: "" });
+  const [expires_in, setExpires_in] = useState<number>(0);
   const [access_token, setAccess_token] = useState<string>("");
   const [currentPlaylist, setCurrentPlaylist] = useState<CurrentPlaylist>();
-  const [currentTrack, setCurrentTrack] = useState<CurrentTrack>();
 
   const spotifyApi = new SpotifyWebApi({ redirectUri: redirectURI, ...credentials });
   const cachedCredentials = localStorage.getItem(CredentialKeys.credentials);
 
+  const setExpireTime = (expirationDuration: number) => setExpires_in(Date.now() + expirationDuration);
+
   useEffect(() => {
     setIsLoggedIn(!!cachedCredentials);
   }, []);
@@ -70,9 +107,9 @@ function RootApp() {
   }, [isLoggedIn]);
 
   return (
-    <Window ref={windowRef} windowState={WindowState.WindowMaximized} windowIcon={winIcon} windowTitle="Spotube" minSize={minSize}>
+    <Window ref={windowRef} on={windowEvents} windowState={WindowState.WindowMaximized} windowIcon={winIcon} windowTitle="Spotube" minSize={minSize}>
       <MemoryRouter>
-        <authContext.Provider value={{ isLoggedIn, setIsLoggedIn, access_token }}>
+        <authContext.Provider value={{ isLoggedIn, setIsLoggedIn, access_token, expires_in, setAccess_token, setExpires_in: setExpireTime, ...credentials }}>
           <playerContext.Provider value={{ spotifyApi, currentPlaylist, currentTrack, setCurrentPlaylist, setCurrentTrack }}>
             <View style={`flex: 1; flex-direction: 'column'; justify-content: 'center'; align-items: 'stretch'; height: '100%';`}>
               <Routes />

src/components/Player.tsx

@@ -26,6 +26,7 @@ function Player(): ReactElement {
   const { currentTrack, currentPlaylist, setCurrentTrack, setCurrentPlaylist, spotifyApi } = useContext(playerContext);
   const { access_token } = useContext(authContext);
   const initVolume = parseFloat(localStorage.getItem("volume") ?? "55");
+  const [isPaused, setIsPaused] = useState(true);
   const [volume, setVolume] = useState<number>(initVolume);
   const [totalDuration, setTotalDuration] = useState(0);
   const [shuffle, setShuffle] = useState<boolean>(false);
@@ -88,11 +89,13 @@ function Player(): ReactElement {
           const youtubeTrack = await getYoutubeTrack(currentTrack);
           await audioPlayer.load(youtubeTrack.youtube_uri, "replace");
           await audioPlayer.play();
+          setIsPaused(false);
         }
         setIsStopped(false);
       } catch (error) {
         if (error.errcode !== 5) {
           setIsStopped(true);
+          setIsPaused(true);
         }
         console.error(error);
       }
@@ -128,17 +131,28 @@ function Player(): ReactElement {
       };
       const stopListener = () => {
         setIsStopped(true);
+        setIsPaused(true);
         // go to next track
         if (currentTrack && playlistTracksIds && currentPlaylist?.tracks.length !== 0) {
           const index = playlistTracksIds?.indexOf(currentTrack.id) + 1;
           setCurrentTrack(currentPlaylist?.tracks[index > playlistTracksIds.length - 1 ? 0 : index].track);
         }
       };
+      const pauseListener = () => {
+        setIsPaused(true);
+      }
+      const resumeListener = () => {
+        setIsPaused(false);
+      };
       audioPlayer.on("status", statusListener);
       audioPlayer.on("stopped", stopListener);
+      audioPlayer.on("paused", pauseListener)
+      audioPlayer.on("resumed", resumeListener)
       return () => {
         audioPlayer.off("status", statusListener);
         audioPlayer.off("stopped", stopListener);
+        audioPlayer.off("paused", pauseListener);
+        audioPlayer.off("resumed", resumeListener);
       };
     }
   });
@@ -148,9 +162,11 @@ function Player(): ReactElement {
       if ((await audioPlayer.isPaused()) && playerRunning) {
         await audioPlayer.play();
         setIsStopped(false);
+        setIsPaused(false);
       } else {
         await audioPlayer.pause();
         setIsStopped(true);
+        setIsPaused(true);
       }
     } catch (error) {
       console.error(error);
@@ -195,7 +211,7 @@ function Player(): ReactElement {
             <BoxView direction={Direction.LeftToRight}>
               <IconButton style={`background-color: ${shuffle ? "orange" : "rgba(255, 255, 255, 0.055)"}`} on={{ clicked: () => setShuffle(!shuffle) }} icon={new QIcon(shuffleIcon)} />
               <IconButton on={{ clicked: () => prevOrNext(-1) }} icon={new QIcon(backward)} />
-              <IconButton on={{ clicked: handlePlayPause }} icon={new QIcon(isStopped || !currentTrack ? play : pause)} />
+              <IconButton on={{ clicked: handlePlayPause }} icon={new QIcon(isStopped || isPaused || !currentTrack ? play : pause)} />
               <IconButton on={{ clicked: () => prevOrNext(1) }} icon={new QIcon(forward)} />
               <IconButton icon={new QIcon(stop)} on={{ clicked: stopPlayback }} />
             </BoxView>

src/context/authContext.ts

@@ -3,6 +3,8 @@ import React, { Dispatch, SetStateAction } from "react";
 export interface AuthContext {
   isLoggedIn: boolean;
   setIsLoggedIn: Dispatch<SetStateAction<boolean>>;
+  clientId: string;
+  clientSecret: string;
   access_token: string;
   /**
    * the time when the current access token will expire \
@@ -13,7 +15,7 @@ export interface AuthContext {
    * sets the time when the current access token will expire \
    * always update this with `Date.now() + expires_in`
    */
-  setExpiresIn: Dispatch<SetStateAction<number>>;
+  setExpires_in: (arg: number)=>void;
   setAccess_token: Dispatch<SetStateAction<string>>;
 }
 
@@ -22,7 +24,9 @@ const authContext = React.createContext<AuthContext>({
   setIsLoggedIn() {},
   access_token: "",
   expires_in: 0,
-  setExpiresIn() {},
+  clientId: "",
+  clientSecret: "",
+  setExpires_in() {},
   setAccess_token() {},
 });
 

src/hooks/useAccessToken.ts

@@ -2,14 +2,14 @@ import { DependencyList, useContext, useEffect } from "react";
 import authContext from "../context/authContext";
 import { CredentialKeys } from "../app";
 import playerContext from "../context/playerContext";
+import SpotifyWebApi from "spotify-web-api-node";
 
-interface UseAuthResult {
+interface UseAccessTokenResult {
   access_token: string;
 }
 
-export default (deps: DependencyList = []): UseAuthResult => {
-  const { access_token, expires_in, isLoggedIn, setExpiresIn, setAccess_token } = useContext(authContext);
-  const { spotifyApi } = useContext(playerContext);
+export default (spotifyApi: SpotifyWebApi, deps: DependencyList = []): UseAccessTokenResult => {
+  const { access_token, expires_in, isLoggedIn, setExpires_in, setAccess_token } = useContext(authContext);
   const refreshToken = localStorage.getItem(CredentialKeys.refresh_token);
 
   useEffect(() => {
@@ -20,7 +20,7 @@ export default (deps: DependencyList = []): UseAuthResult => {
         .refreshAccessToken()
         .then(({ body: { access_token, expires_in } }) => {
           setAccess_token(access_token);
-          setExpiresIn(Date.now() + expires_in);
+          setExpires_in(expires_in);
         })
         .catch();
     }

src/hooks/useSpotifyApi.ts

@@ -0,0 +1,21 @@
+import { useContext, useEffect } from "react";
+import authContext from "../context/authContext";
+import spotifyApi from "../initializations/spotifyApi";
+import useAccessToken from "./useAccessToken";
+
+function useSpotifyApi() {
+  const { isLoggedIn, clientId, clientSecret } = useContext(authContext);
+  const { access_token } = useAccessToken(spotifyApi, [clientId, clientSecret]);
+
+  useEffect(() => {
+    if (isLoggedIn && clientId && clientSecret) {
+      spotifyApi.setClientId(clientId);
+      spotifyApi.setClientSecret(clientSecret);
+      spotifyApi.setAccessToken(access_token);
+    }
+  }, [access_token, clientId, clientSecret]);
+
+  return spotifyApi;
+}
+
+export default useSpotifyApi;

src/initializations/spotifyApi.ts

@@ -0,0 +1,6 @@
+import SpotifyWebApi from "spotify-web-api-node";
+import { redirectURI } from "../conf";
+
+const spotifyApi = new SpotifyWebApi({ redirectUri: redirectURI });
+
+export default spotifyApi;