chipmunkbot3/commands/music.js

const { literal, argument, DynamicCommandExceptionType } = require('brigadier-commands')
const { location, path, isUrl } = require('../util/command/argument/location')
const TextMessage = require('../util/command/text_message')
const fs = require('fs')

const FILE_DOES_NOT_EXIST_ERROR = new DynamicCommandExceptionType(filename => new TextMessage(['File ', filename, ' does not exist']))

module.exports = {
  register (dispatcher, { bot }) {
    const node = dispatcher.register(
      literal('music')
        .then(
          literal('play')
            .then(
              argument('location', location(bot.paths.music))
                .executes(this.playCommand)
            )
        )
        .then(
          literal('skip')
            .executes(this.skipCommand)
        )
        .then(
          literal('stop')
            .executes(this.stopCommand)
        )
        .then(
          literal('loop')
            .executes(this.loopCommand)
        )
        .then(
          literal('list')
            .executes(this.listCommand.bind(this))
            .then(
              argument('location', path(bot.paths.music))
                .executes(this.locationListCommand.bind(this))
            )
        )
    )

    node.description = 'Plays songs using note block sounds'
    node.permissionLevel = 0
  },

  playCommand (context) {
    const source = context.source
    const bot = source.bot

    const filepath = context.getArgument('location')

    if (!isUrl(filepath) && !fs.existsSync(filepath)) throw FILE_DOES_NOT_EXIST_ERROR.create(filepath)

    if (!bot.music.queue.length) bot.music.play(filepath)
    else bot.music.queue.push(filepath)

    source.sendFeedback([
      { text: 'Added ', ...bot.styles.primary },
      { text: filepath.replace(/.+\//g, ''), ...bot.styles.secondary },
      ' to the music queue'
    ], false)
  },

  skipCommand (context) {
    const bot = context.source.bot
    bot.music.skip()
  },

  stopCommand (context) {
    const bot = context.source.bot
    bot.music.stop()
  },

  loopCommand (context) {
    const bot = context.source.bot
    bot.music.looping = !bot.music.looping
  },

  async listCommand (context) {
    await this.listSongs(context, context.source.bot.paths.music)
  },

  async locationListCommand (context) {
    await this.listSongs(context, context.getArgument('location'))
  },

  async listSongs (context, path) {
    const source = context.source
    const bot = source.bot

    const list = await bot.listFiles(path)
    source.sendFeedback(['', { text: 'Songs - ', ...bot.styles.primary }, ...list], false)
  }
}