Emery/modules/playMusic/main.rb

def playMusic(bot, bang)
	bot.message(start_with: "#{bang}Play ") do |event|
		message = event.content
		author = event.author
		voice_channel = author.voice_channel.id
		server = event.server
		arguments = message.sub("#{bang}Play ", '').split.first
		#event.voice.play_file('./example.mp3')
		if arguments.include? "&list"
			event.respond "Do not play playlists. They are unsupported."
		elsif ENV["#{voice_channel}"] == 'playing'
			event.respond "Music currently playing. Adding to queue"
			if $queue.key?(voice_channel) == false
				$queue[voice_channel] = Array.new
				$queue[voice_channel].push arguments
				puts $queue[voice_channel]
			else
				$queue[voice_channel].push arguments
				puts $queue[voice_channel]
			end
		elsif arguments.include? "youtu"
			actuallyPlayMusic(bot, event, arguments, voice_channel, server)
		else
			event.respond "Invalid youtube link!"
		end
	end
	bot.message(with_text: "#{bang}Play") do |event|
		event.respond "Please provide youtube link!"
	end
end

def actuallyPlayMusic(bot, event, arguments, voice_channel, server)
	event.respond "Playing song! This may take some time."
	bot.voice_connect(voice_channel)
	ENV["#{voice_channel}"] = 'playing'
	tempFile = Dir::Tmpname.create(['youtubedlruby-', '.mp3']) {} 
	cmd = "yt-dlp --extract-audio --audio-format mp3 --output " + tempFile + " " + arguments
	if arguments.include? "youtu"
		system(cmd)
	end
	event.voice.play_file(tempFile)
	File.delete(tempFile) if File.exist?(tempFile)
	if $queue.key?(voice_channel) == true
		if $queue[voice_channel][0] != nil
			event.respond "Queue exists. Playing next song."
			actuallyPlayMusic(bot, event, $queue[voice_channel].shift, voice_channel, server)
		else 
			bot.voice_destroy(server)
			event.respond "Done playing!"
			ENV["#{voice_channel}"] = 'open'
		end
	else
		bot.voice_destroy(server)
		event.respond "Done playing!"
		ENV["#{voice_channel}"] = 'open'
	end
end