RocketChat/Rocket.Chat

import { Users } from '@rocket.chat/models';

import { notifyOnUserChange } from '../../../../lib/server/lib/notifyListener';

export default async function handleUserRegistered(args) {
    // Check if there is an user with the given username
    let user = await Users.findOne({
        'profile.irc.username': args.username,
    });

    // If there is no user, create one...
    if (!user) {
        this.log(`Registering ${args.username} with nick: ${args.nick}`);

        const userToInsert = {
            name: args.nick,
            username: `${args.username}-irc`,
            status: 'online',
            utcOffset: 0,
            active: true,
            type: 'user',
            profile: {
                irc: {
                    fromIRC: true,
                    nick: args.nick,
                    username: args.username,
                    hostname: args.hostname,
                },
            },
        };

        user = await Users.create(userToInsert);

        void notifyOnUserChange({ id: user._id, clientAction: 'inserted', data: user });
    } else {
        // ...otherwise, log the user in and update the information
        this.log(`Logging in ${args.username} with nick: ${args.nick}`);

        await Users.updateOne(
            { _id: user._id },
            {
                $set: {
                    'status': 'online',
                    'profile.irc.nick': args.nick,
                    'profile.irc.username': args.username,
                    'profile.irc.hostname': args.hostname,
                },
            },
        );

        void notifyOnUserChange({ id: user._id, clientAction: 'updated', diff: { status: 'online' } });
    }
}