149 lines
3.3 KiB
Ruby
149 lines
3.3 KiB
Ruby
require 'discordrb'
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require 'video_info'
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require 'uri'
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require 'optparse'
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require 'shellwords'
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def sanity_check_video(url)
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if !url.include?("youtube")
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return false
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end
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video = VideoInfo.new(url)
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title = video.title
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title.slice! " - YouTube Music"
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if video.duration > 1200
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puts "skipping #{url} since it's over 20 minutes"
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return false
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elsif File.exists?("tracks/#{title}.mp3") || File.exists?("spool/#{title}.mp3")
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puts "#{url} already downloaded, not downloading again"
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return false
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end
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return true
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end
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def parse_songs_from_string(message)
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urls = URI.extract(message)
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if urls.length != 0
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puts "Found #{urls}; downloading"
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urls.each do |url|
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if sanity_check_video(url)
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res = `youtube-dl --ignore-errors --output \"spool/%(title)s.%(ext)s\" --extract-audio --audio-format mp3 #{url}`
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if res
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puts "Downloaded #{url}"
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else
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puts "error downloading #{url}"
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end
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end
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end
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end
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nil
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end
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def update_mpd()
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new_songs = Dir["spool/*.mp3"]
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if new_songs.length <= 0
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return true
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end
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puts "telling mpd to refresh"
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system("mv spool/*.mp3 tracks/")
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system("mpc update")
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new_songs.each do |song|
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s = song.split("/")[1]
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res = system("mpc add #{Shellwords.shellescape(s)}")
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if res
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puts "added #{s} to mpd"
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else
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puts "error adding #{s} to mpd"
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end
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end
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end
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options = {}
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OptionParser.new do |opt|
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opt.on("-t", "--token DISCORD_BOT_TOKEN") {|o| options[:bot_token] = o}
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opt.on("-c", "--channel CHANNEL_ID") {|o| options[:channel_id] = Integer(o)}
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end.parse!
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if options.length == 0
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puts "Need to specifiy token and channel"
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exit
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end
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puts "creating spool and tracks directories"
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system("mkdir -p spool")
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system("mkdir -p tracks")
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if File.exists?("/usr/bin/mpd")
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if !File.exists?("/usr/bin/mpc")
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puts "Bailing since mpd exists but not mpc (which is needed to control mpd)"
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exit
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end
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puts "starting mpd if not already running"
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system("systemctl start mpd") unless `ps aux | grep mpd` != ""
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system("mpc clear")
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system("mpc add /")
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system("mpc shuffle")
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system("mpc repeat")
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end
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bot = Discordrb::Commands::CommandBot.new token: options[:bot_token], prefix: '!radio '
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bot.command :start do |event|
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system("mpc play")
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event.respond("starting radio")
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end
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bot.command :stop do |event|
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system("mpc stop")
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event.respond("stoping radio")
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end
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bot.command :reload do |event|
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event.respond("reloading queue")
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system("mpc stop")
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system("mpc clear")
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system("mpc update")
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system("mpc add /")
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event.respond("queue reloaded")
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nil
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end
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bot.command :pause do |event|
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event.respond("pausing playback")
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system("mpc toggle")
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nil
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end
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bot.command :skip do |event|
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event.respond("skipping")
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system("mpc next")
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nil
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end
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bot.command :shuffle do |event|
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system("mpc shuffle")
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event.respond("shuffled queue")
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nil
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end
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bot.command :initialize do |event|
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event.respond("loading last 50 messages from channel")
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channel = bot.channel(options[:channel_id])
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messages = channel.history(50)
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messages.each do |msg|
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parse_songs_from_string(msg.content)
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end
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update_mpd()
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event.respond("done loading")
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end
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bot.message(in: options[:channel_id],contains: "youtube.com") do |event|
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parse_songs_from_string(event.content)
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update_mpd()
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end
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bot.run
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