- from paircd.reply import (
- ERR_NOSUCHCHANNEL,
- ERR_TOOMANYCHANNELS,
- JOIN,
- RPL_ENDOFNAMES,
- RPL_NAMREPLY,
- RPL_NOTOPIC,
- RPL_TOPIC,
- )
-
- from paircd.client import Client
- from paircd.command_handler import CommandHandler
- from paircd.message import Message
- from paircd.server import Server
- from paircd.settings import USER_MAX_CHANNELS
-
-
- class JoinHandler(CommandHandler):
- def __init__(self) -> None:
- super().__init__("JOIN", 1)
-
- async def handle(self, server: Server, client: Client, msg: Message) -> None:
- channel_name = msg.args[0]
-
- if USER_MAX_CHANNELS > 0 and len(client.channels) == USER_MAX_CHANNELS:
- client.write_message(ERR_TOOMANYCHANNELS(client.nickname))
- return
-
- channel = server.get_channel_by_name(channel_name)
- if channel is None:
- client.write_message(ERR_NOSUCHCHANNEL(client.nickname, channel_name))
- return
-
- channel.add_client(client)
-
- client.channels.add(channel_name)
- client.log(f"joined {channel_name}")
-
- channel.write_message(JOIN(channel_name, prefix=client.id()))
-
- if len(channel.topic) > 0:
- client.write_message(
- RPL_TOPIC(client.nickname, channel_name, channel.topic)
- )
- else:
- client.write_message(RPL_NOTOPIC(client.nickname, channel_name))
-
- channel_members = [
- channel.get_channel_name(member)
- for member in channel.clients_by_nick.keys()
- ]
-
- client.write_message(
- # "=" means public channel (ref: https://modern.ircdocs.horse/#rplnamreply-353)
- RPL_NAMREPLY(client.nickname, "=", channel_name, " ".join(channel_members))
- )
- client.write_message(RPL_ENDOFNAMES(client.nickname, channel_name))
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