xiao/commands/moderation/lockdown.js

const Command = require('../../structures/Command');
const { stripIndents } = require('common-tags');

module.exports = class LockdownCommand extends Command {
    constructor(client) {
        super(client, {
            name: 'lockdown',
            group: 'moderation',
            memberName: 'lockdown',
            description: 'Locks down the current channel or removes a lockdown.',
            guildOnly: true,
            clientPermissions: ['ADMINISTRATOR'],
            userPermissions: ['ADMINISTRATOR'],
            args: [
                {
                    key: 'type',
                    prompt: 'Please enter either `start` or `stop`.',
                    type: 'string',
                    default: 'start',
                    validate: (type) => {
                        if (['start', 'stop'].includes(type.toLowerCase())) return true;
                        else return 'Please enter either `start` or `stop`.';
                    },
                    parse: (type) => type.toLowerCase()
                }
            ]
        });
    }

    async run(msg, args) {
        const { type } = args;
        if (type === 'start') {
            await msg.channel.overwritePermissions(msg.guild.defaultRole, { SEND_MESSAGES: false });
            return msg.say(stripIndents`
                Lockdown Started, users without Administrator can no longer post messages.
                Please use \`lockdown stop\` to end the lockdown.
            `);
        } else {
            await msg.channel.overwritePermissions(msg.guild.defaultRole, { SEND_MESSAGES: null });
            return msg.say('Lockdown Ended.');
        }
    }
};