eris-boiler/commands/settings/prefix.js

A Discord bot framework using eris

const { SettingCommand } = require('../../lib')

module.exports = new SettingCommand({
  name: 'prefix',
  description: 'set prefix for server',
  options: {
    parameters: [ 'desired prefix' ]
  },
  displayName: 'Prefix',
  getValue: async (bot, { channel }) => {
    const dbGuild = await bot.dbm.newQuery('guild').get(channel.guild.id)
    return dbGuild.get('prefix') || bot.ora.defaultPrefix
  },
  run: async (bot, { msg, params }) => {
    const fullParam = params.join(' ')
    if (!fullParam) {
      return 'Please provide a prefix!'
    }

    const dbGuild = await bot.dbm.newQuery('guild').get(msg.channel.guild.id)
    if (fullParam === dbGuild.get('prefix')) {
      return `Prefix is already set to "${fullParam}"`
    }

    await dbGuild.save({ prefix: fullParam })
    return 'Prefix set!'
  }
})