ext-manager/bot/commandManager/parser.js

A package to manage an extensions for event listeners or discord bot commands with ease

'use strict'

const { MessageEmbed } = require('discord.js')

function isOwner (owner, userID, addition = []) {
  const conditions = [addition.some(id => id === userID)]
  if (owner.members) {
    conditions.push(owner.members.some(us => userID === us.id))
  } else {
    conditions.push(owner.id === userID)
  }
  return conditions.some(condition => condition)
}

function hasPerms (message, perm, member) {
  let permission
  if (perm.type.toLowerCase() === 'channel') {
    permission = message.channel.permissionsFor(member)
  } else {
    permission = member.permissions
  }

  if (perm.optional) {
    return permission.any(perm.perms)
  } else {
    return permission.has(perm.perms)
  }
}

async function checkArgs (message, args, arg) {
  if (args[arg.position]) return true
  if (typeof arg.response === 'string' || arg.response instanceof MessageEmbed) message.channel.send(arg.response).catch(err => console.error(err))
  if (!(arg.prompt instanceof Object)) return
  try {
    const timeout = arg.prompt.timeout > 0 ? arg.prompt.timeout : 30
    const filter = mess => mess.author.id === message.author.id
    const msg = await message.channel.awaitMessages(filter, { max: 1, time: timeout * 1000, errors: ['timed out'] })
    const res = msg.first().content
    if (res === 'cancel') {
      if (typeof arg.prompt.cancelled === 'string' || arg.prompt.cancelled instanceof MessageEmbed) message.channel.send(arg.prompt.cancelled)
      return false
    }
    args.push(...res.split(' '))
    if (args[arg.position]) return true
    if (typeof arg.prompt.failed === 'string' || arg.prompt.failed instanceof MessageEmbed) message.channel.send(arg.prompt.failed)
    return false
  } catch {
    if (typeof arg.prompt.timedOut === 'string' || arg.prompt.timedOut instanceof MessageEmbed) message.channel.send(arg.prompt.timedOut)
    return false
  }
}

module.exports = {
  isOwner, hasPerms, checkArgs
}