use redis to store netplay data

backend/handler/netplay_handler.py

@@ -0,0 +1,50 @@
+import json
+from typing import Optional, TypedDict
+
+from handler.redis_handler import async_cache
+
+
+class NetplayPlayerInfo(TypedDict):
+    socketId: str
+    player_name: str
+    userid: str | None
+    playerId: str | None
+
+
+class NetplayRoom(TypedDict):
+    owner: str
+    players: dict[str, NetplayPlayerInfo]
+    peers: list[str]
+    room_name: str
+    game_id: str
+    domain: Optional[str]
+    password: Optional[str]
+    max_players: int
+
+
+class NetplayHandler:
+    """A class to handle netplay rooms in Redis."""
+
+    def __init__(self):
+        self.hash_name = "netplay:rooms"
+
+    async def get(self, room_id: str) -> NetplayRoom | None:
+        """Get a room from Redis."""
+        room = await async_cache.hget(self.hash_name, room_id)
+        return json.loads(room) if room else None
+
+    def set(self, room_id: str, room_data: NetplayRoom):
+        """Set a room in Redis."""
+        return async_cache.hset(self.hash_name, room_id, json.dumps(room_data))
+
+    def delete(self, room_id: str):
+        """Delete a room from Redis."""
+        return async_cache.hdel(self.hash_name, room_id)
+
+    async def get_all(self) -> dict[str, NetplayRoom]:
+        """Get all rooms from Redis."""
+        rooms = await async_cache.hgetall(self.hash_name)
+        return {room_id: json.loads(room_data) for room_id, room_data in rooms.items()}
+
+
+netplay_handler = NetplayHandler()