generateur_v3/backend/api/routes/room/manager.py

from typing import TYPE_CHECKING, Dict, List
from starlette.websockets import WebSocketState
if TYPE_CHECKING:
  from routes.room.consumer import RoomConsumer


class RoomManager:
    def __init__(self):
        self.active_connections: Dict[str, List["RoomConsumer"]] = {}

    def add(self, group: str, member: "RoomConsumer"):

        if group not in self.active_connections:
            self.active_connections[group] = []
        if member not in self.active_connections[group]:
            self.active_connections[group].append(member)

    async def _send(self, connection: "RoomConsumer", message, group: str):
        if connection.ws.application_state == WebSocketState.DISCONNECTED:
            self.remove(group, connection)
        elif connection.ws.application_state == WebSocketState.CONNECTED:
            await connection.send(message)
    
    def remove(self, group: str, member: "RoomConsumer"):
        if group in self.active_connections:
            if member in self.active_connections[group]:
                self.active_connections[group].remove(member)

    async def broadcast(self, message, group: str, exclude: list["RoomConsumer"] = []):
        print('BROADCaST', message)
        if group in self.active_connections:
            for connection in list(set(self.active_connections[group])):
                # print(connection)
                if connection not in exclude:
                    await self._send(connection, message, group)

    async def send_to(self, group, id_code, msg):
        if group in self.active_connections:
            members = [c for c in self.active_connections[group]
                       if c.member.id_code == id_code]
            for m in members:
                await self._send(m, msg, group)

    async def send_to_admin(self, group, msg):
        if group in self.active_connections:
            members = [c for c in self.active_connections[group]
                       if c.member.is_admin == True]
            for m in members:
                await self._send(m, msg, group)