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

from typing import TYPE_CHECKING, Dict, List, Callable, Any

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):
        print('SENDING', connection.ws.application_state, connection.ws.client_state)
        if connection.ws.application_state == WebSocketState.DISCONNECTED or connection.ws.client_state == WebSocketState.DISCONNECTED:
            self.remove(group, connection)
        elif connection.ws.application_state == WebSocketState.CONNECTED and connection.ws.client_state == WebSocketState.CONNECTED:
            try:
                await connection.send(message)
            except:
                pass
    
    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)
        return True

    async def broadcast(self, message: Any | Callable, group: str, conditions: list[Callable] = [], exclude: list["RoomConsumer"] = [], ):
        print('BROADCaST', self.active_connections)

        
        if group in self.active_connections:
            for connection in list(set(self.active_connections[group])):
                print(connection, connection.ws.state, connection.ws.client_state, connection.ws.application_state)
                if connection not in exclude and all(f(connection) for f in conditions):
                    await self._send(connection, message, group)

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

    async def send_to_admin(self, group, msg):
        if group in self.active_connections:
            print('MEMBERS', self.active_connections[group], [(c.ws.state, c.ws.client_state, c.ws.application_state) for c in self.active_connections[group]])
            members = [c for c in self.active_connections[group]
                       if c.member is not None and c.member.is_admin is True]
            for m in members:
                await self._send(m, msg, group)