Added participant in voice room

Author: somiljain2006

src/main/java/org/spacehub/controller/voiceRoom/VoiceRoomController.java

@@ -11,7 +11,8 @@
 import org.springframework.web.bind.annotation.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
+import com.fasterxml.jackson.databind.JsonNode;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
@@ -54,25 +55,34 @@ public ResponseEntity<?> createVoiceRoom(
 
   @PostMapping("/join")
   public ResponseEntity<?> joinVoiceRoom(
-          @RequestParam int janusRoomId,
-          @RequestParam String displayName) {
+    @RequestParam int janusRoomId,
+    @RequestParam String displayName) {
 
     try {
       String sessionId = janusService.createSession();
       String handleId = janusService.attachAudioBridgePlugin(sessionId);
-      janusService.joinAudioRoom(sessionId, handleId, janusRoomId, displayName);
 
-      return ResponseEntity.ok(Map.of(
-              "message", "Joined voice room successfully",
-              "janusRoomId", janusRoomId,
-              "sessionId", sessionId,
-              "handleId", handleId
-      ));
-    }
-    catch (Exception e) {
+      JsonNode janusResponse = janusService.joinAudioRoom(sessionId, handleId, janusRoomId, displayName);
+
+      JsonNode participantsNode = janusResponse.path("plugindata").path("data").path("participants");
+
+      Map<String, Object> responseData = new java.util.HashMap<>();
+      responseData.put("message", "Joined voice room successfully");
+      responseData.put("janusRoomId", janusRoomId);
+      responseData.put("sessionId", sessionId);
+      responseData.put("handleId", handleId);
+      if (participantsNode.isArray()) {
+        responseData.put("participants", participantsNode);
+      } else {
+        responseData.put("participants", new ArrayList<>());
+      }
+
+      return ResponseEntity.ok(responseData);
+
+    } catch (Exception e) {
       logger.error("Error joining voice room: {}", e.getMessage(), e);
       return ResponseEntity.status(500)
-              .body(Map.of("error", "Failed to join voice room", "message", e.getMessage()));
+        .body(Map.of("error", "Failed to join room", "message", e.getMessage()));
     }
   }
 

src/main/java/org/spacehub/service/VoiceRoom/JanusService.java

@@ -111,15 +111,18 @@ public void createAudioRoom(String sessionId, String handleId, int roomId) {
     restTemplate.postForEntity(handleUrl, request, JsonNode.class);
   }
 
-  public void joinAudioRoom(String sessionId, String handleId, int roomId, String displayName) {
+  public JsonNode joinAudioRoom(String sessionId, String handleId, int roomId, String displayName) {
     Map<String, Object> body = Map.of(
       "request", "join", "room", roomId, "display", displayName
     );
     Map<String, Object> request = Map.of(
       "janus", "message", "transaction", UUID.randomUUID().toString(), "body", body
     );
     String handleUrl = String.format("%s/%s/%s", janusUrl, sessionId, handleId);
-    restTemplate.postForEntity(handleUrl, request, JsonNode.class);
+
+    ResponseEntity<JsonNode> response = restTemplate.postForEntity(handleUrl, request, JsonNode.class);
+    logger.info("Janus join response: {}", response.getBody());
+    return response.getBody();
   }
 
   public void sendOffer(String sessionId, String handleId, String sdpOffer,