playback in spotify!

src/main/java/eric/Roullette/controller/GameController.java

@@ -41,7 +41,16 @@ public class GameController {
             app.get("/api/game/{gameId}/players", this::getPlayers);
             app.post("/api/game/{gameId}/start-round", this::startRound);
             app.post("/api/game/{gameId}/guess", this::guess);
-            app.get("/api/spotify/devices", this::getDevices);
+            app.post("/api/spotify/play", this::playTrack);
+            app.get("/api/spotify/devices", ctx -> {
+                String username = ctx.queryParam("username");
+                if (username == null) {
+                    ctx.status(400).result("username fehlt");
+                    return;
+                }
+                var devices = authService.getDevices(username); // Diese Methode muss es im SpotifyAuthService geben
+                ctx.json(Map.of("devices", devices));
+            });
         }
 
         private void createGame(Context ctx) {
@@ -109,17 +118,42 @@ public class GameController {
                     "scores", game.scores()
             ));
         }
-        // Backend: Devices abrufen
-        private void getDevices(Context ctx) {
-            String username = ctx.queryParam("username");
-            if (username == null) {
-                ctx.status(400).result("username fehlt");
-                return;
-            }
-            List<Map<String, Object>> devices = authService.getDevices(username); // Implementiere diese Methode im SpotifyAuthService
-            ctx.json(Map.of("devices", devices));
+    private void playTrack(Context ctx) {
+        Map<String, String> body = ctx.bodyAsClass(Map.class);
+        String username = body.get("username");
+        String deviceId = body.get("device_id");
+        String trackUri = body.get("track_uri");
+        if (username == null || deviceId == null || trackUri == null) {
+            ctx.status(400).result("Fehlende Parameter: username, device_id oder track_uri");
+            return;
         }
 
+        try {
+            String accessToken = authService.getAccessTokenForUser(username); // Token vom SpotifyAuthService holen
+            OkHttpClient client = new OkHttpClient();
+            ObjectNode jsonNode = JsonNodeFactory.instance.objectNode();
+            jsonNode.putArray("uris").add(trackUri);
+            String jsonBody = jsonNode.toString();
+
+            Request request = new Request.Builder()
+                    .url("https://api.spotify.com/v1/me/player/play?device_id=" + deviceId)
+                    .addHeader("Authorization", "Bearer " + accessToken)
+                    .put(RequestBody.create(jsonBody, MediaType.parse("application/json")))
+                    .build();
+
+            try (Response response = client.newCall(request).execute()) {
+                if (response.isSuccessful()) {
+                    ctx.status(204).result("Track erfolgreich abgespielt");
+                } else {
+                    ctx.status(response.code()).result("Fehler: " + response.body().string());
+                }
+            }
+        } catch (Exception e) {
+            log.error("Fehler beim Abspielen des Tracks", e);
+            ctx.status(500).result("Interner Fehler");
+        }
+    }
+
 
 
 

src/main/resources/public/js/game.js

@@ -192,3 +192,32 @@ function handleGameEnd({winner}) {
     scoreboard.innerHTML = "";
     }, 6000);
 }
+// public/js/game.js
+
+async function playOnSpotify(trackUri, username) {
+    const deviceId = document.getElementById("deviceSelect")?.value;
+    if (!deviceId) {
+        alert("Bitte ein Wiedergabegerät auswählen!");
+        return;
+    }
+    try {
+        const response = await fetch("/api/spotify/play", {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({
+                username,
+                device_id: deviceId,
+                track_uri: trackUri
+            })
+        });
+        if (!response.ok) {
+            const error = await response.text();
+            alert(`Fehler beim Abspielen: ${error}`);
+        }
+    } catch (err) {
+        alert(`Netzwerkfehler: ${err.message}`);
+    }
+}
+window.playOnSpotify = playOnSpotify;
+
+