seperate into files

main.rb

@@ -3,63 +3,10 @@ require 'video_info'
 require 'uri'
 require 'optparse'
 require 'shellwords'
+require './mpc_shim'
+require './util'
 
-def sanity_check_video(url)
-  if !url.include?("youtube")
-    return false
-  end
-  video = VideoInfo.new(url)
-  title = video.title
-  title.slice! " - YouTube Music"
-  if video.duration > 1200
-    puts "skipping #{url} since it's over 20 minutes"
-    return false
-  elsif File.exists?("tracks/#{title}.mp3") || File.exists?("spool/#{title}.mp3") 
-    puts "#{url} already downloaded, not downloading again"
-    return false
-  end
-  return true
-end
-
-
-
-def parse_songs_from_string(message)
-  urls = URI.extract(message)
-  if urls.length != 0
-    puts "Found #{urls}; downloading"
-    urls.each do |url|
-      if sanity_check_video(url)
-        res = `youtube-dl --ignore-errors --output \"spool/%(title)s.%(ext)s\" --extract-audio --audio-format mp3 #{url}`
-        if res 
-          puts "Downloaded #{url}"
-        else
-          puts "error downloading #{url}"
-        end
-      end
-    end
-  end
-  nil
-end
-
-def update_mpd()
-      new_songs = Dir["spool/*.mp3"]
-      if new_songs.length <= 0
-	      return true
-      end
-      puts "telling mpd to refresh"
-      `mv spool/*.mp3 tracks/`
-      `mpc update`
-      new_songs.each do |song|
-        s = song.split("/")[1]
-        res = system("mpc add #{Shellwords.shellescape(s)}")
-        if res
-          puts "added #{s} to mpd"
-        else 
-          puts "error adding #{s} to mpd"
-        end
-      end
-end
-
+mpc = MpcShim.new
 options = {}
 OptionParser.new do |opt|
   opt.on("-t", "--token DISCORD_BOT_TOKEN") {|o| options[:bot_token] = o}
@@ -73,7 +20,7 @@ end
 
 puts "creating spool and tracks directories"
 `mkdir -p spool`
-`"mkdir -p tracks`
+`mkdir -p tracks`
 
 if File.exists?("/usr/bin/mpd")
   if !File.exists?("/usr/bin/mpc")
@@ -82,48 +29,45 @@ if File.exists?("/usr/bin/mpd")
   end
   puts "starting mpd if not already running"
   `systemctl start mpd` unless `ps aux | grep mpd` != ""
-  `mpc clear`
-  `mpc add /`
-  `mpc shuffle`
-  `mpc repeat`
+  mpc.reset()
 end
 
 bot = Discordrb::Commands::CommandBot.new token: options[:bot_token], prefix: '!radio '
 
 bot.command :start do |event|
-  `mpc play`
+  mpc.play
   event.respond("starting radio")
 end
 
 bot.command :stop do |event|
-  `mpc stop`
+  mpc.stop
   event.respond("stoping radio")
 end
 
 bot.command :reload do |event|
   event.respond("reloading queue")
-  `mpc stop`
-  `mpc clear`
-  `mpc update`
-  `mpc add /`
+  mpc.stop
+  mpc.clear
+  mpc.update
+  mpc.add
   event.respond("queue reloaded")
   nil
 end
 
 bot.command :pause do |event|
   event.respond("pausing playback")
-  `mpc toggle`
+  mpc.toggle
   nil
 end
 
 bot.command :skip do |event|
   event.respond("skipping")
-  `mpc next`
+  mpc.next()
   nil
 end
 
 bot.command :shuffle do |event|
-  `mpc shuffle`
+  mpc.shuffle()
   event.respond("shuffled queue")
   nil
 end
@@ -135,14 +79,14 @@ bot.command :initialize do |event|
   messages.each do |msg|
     parse_songs_from_string(msg.content)
   end
-  update_mpd()
+  update_mpd(mpc)
   event.respond("done loading")
 end
 
 
 bot.message(in: options[:channel_id],contains: "youtube.com") do |event|
   parse_songs_from_string(event.content)
-  update_mpd()
+  update_mpd(mpc)
 end
 
 bot.run

mpc_shim.rb

@@ -0,0 +1,50 @@
+class MpcShim
+  def update()
+    `mpc update`
+  end
+
+  def clear()
+    `mpc clear`
+  end
+
+  def play()
+    `mpc play`
+  end
+
+  def stop()
+    `mpc stop`
+  end
+
+  def next()
+    `mpc next`
+  end
+
+  def reset()
+    `mpc clear`
+    `mpc add /`
+    `mpc shuffle`
+    `mpc repeat`
+  end
+
+  def update()
+    `mpc update`
+  end
+
+  def toggle()
+    `mpc toggle`
+  end
+
+  def add(filename = nil)
+    if filename == nil
+      `mpc add /`
+    else
+      `mpc add #{filename}`
+    end
+    return $?.success?
+  end
+
+  def initialize()
+    true
+  end
+
+end

util.rb

@@ -0,0 +1,56 @@
+def sanity_check_video(url)
+  if !url.include?("youtube")
+    return false
+  end
+  video = VideoInfo.new(url)
+  title = video.title
+  title.slice! " - YouTube Music"
+  if video.duration > 1200
+    puts "skipping #{url} since it's over 20 minutes"
+    return false
+  elsif File.exists?("tracks/#{title}.mp3") || File.exists?("spool/#{title}.mp3") 
+    puts "#{url} already downloaded, not downloading again"
+    return false
+  end
+  return true
+end
+
+
+
+def parse_songs_from_string(message)
+  urls = URI.extract(message)
+  if urls.length != 0
+    puts "Found #{urls}; downloading"
+    urls.each do |url|
+      if sanity_check_video(url)
+        res = `youtube-dl --ignore-errors --output \"spool/%(title)s.%(ext)s\" --extract-audio --audio-format mp3 #{url}`
+        if res 
+          puts "Downloaded #{url}"
+        else
+          puts "error downloading #{url}"
+        end
+      end
+    end
+  end
+  nil
+end
+
+def update_mpd(mpc)
+      new_songs = Dir["spool/*.mp3"]
+      if new_songs.length <= 0
+	      return true
+      end
+      puts "telling mpd to refresh"
+      `mv spool/*.mp3 tracks/`
+      mpc.update
+      new_songs.each do |song|
+        s = song.split("/")[1]
+        res = mpc.add(Shellwords.shellescape(s))
+        if res
+          puts "added #{s} to mpd"
+        else 
+          puts "error adding #{s} to mpd"
+        end
+      end
+end
+