add endpoint get room/{room_id}

app/api/voice_rooms.py

@@ -1,4 +1,4 @@
-from fastapi import APIRouter, Body
+from fastapi import APIRouter, Body, HTTPException
 from app.models.voice_rooms import JoinRoomRequest
 from app.services.voice_rooms import VoiceRoomService
 from app.realtime.voice_hub import voice_hub
@@ -43,6 +43,35 @@ async def list_rooms():
 
     return result
 
+@router.get("/rooms/{room_id}")
+async def get_room(room_id: str):
+    room = await service.get_room(room_id)
+
+    users_map = voice_hub.rooms.get(room_id, {})
+    usernames = list(users_map.keys())
+    users_count = len(usernames)
+
+    if room["public"]:
+        # 🟢 публичная — полная информация
+        return {
+            "id": room["id"],
+            "name": room["name"],
+            "public": True,
+            "owner": room.get("owner"),
+            "max_users": room.get("max_users"),
+            "users": users_count,
+            "usernames": usernames,
+            "created_at": room["created_at"].isoformat()
+            if room.get("created_at") else None,
+        }
+
+    # 🔒 приватная — НЕЛЬЗЯ получать по room_id напрямую
+    # иначе это обход invite-кода
+    raise HTTPException(
+        status_code=403,
+        detail="Access to private room is forbidden",
+    )
+
 
 @router.post("/rooms")
 async def create_room(