paircd/paircd/handler/join.py

import logging

from paircd.client import Client
from paircd.command_handler import CommandHandler
from paircd.log import log_client
from paircd.message import Message
from paircd.server import Server


async def handle_join(server: Server, client: Client, msg: Message) -> None:
    if not client.registered:
        log_client(client, "join: not registered", level=logging.WARN)
        return

    channel_name = msg.args[0]
    if not channel_name.startswith("#"):
        log_client(client, "tried to join invalid channel", level=logging.WARN)
        return

    channel = server.get_channel_by_name(channel_name)
    channel.add_client(client)

    client.channels.add(channel_name)
    log_client(client, f"joined {channel_name}")

    await channel.msg_queue.put(
        Message(cmd="JOIN", args=[channel_name], prefix=client.id()).encode()
    )


JOIN = CommandHandler("JOIN", 1, handle_join)