Fix changing volume on skip

src/player/commands/skip.rs

@@ -1,5 +1,4 @@
 use serenity;
-use serenity::voice::ffmpeg;
 
 use super::super::prelude::*;
 
@@ -21,45 +20,7 @@ fn skip(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
     if let Some(media) = data.get_mut::<Media>() {
         let mut media_lock = media.lock().unwrap();
 
-        let voice_manager = media_lock.voice_manager.clone();
+        MediaData::next_song(ctx, &mut media_lock, msg)?;
-        let mut manager = voice_manager.lock();
-
-        let guild_id = guild_id(ctx, msg)?;
-
-        if let Some(handler) = handler(guild_id, &mut manager) {
-            // if current song is the last song in this playlist, just return
-            if media_lock.playlist().is_empty() {
-                msg.channel_id
-                    .say(&ctx.http, "playlist is empty, no next song available")?;
-
-                return Ok(());
-            } else {
-                // remove the current song from the playlist
-                let first = media_lock.playlist_mut().remove(0);
-
-                // stop the current song from playing
-                handler.stop();
-
-                // load next song into memory
-                let source = match ffmpeg(first.name.clone()) {
-                    Ok(mpeg) => mpeg,
-                    Err(_) => {
-                        media_lock.playlist_mut().clear();
-                        *media_lock.song_mut() = None;
-
-                        return Ok(());
-                    }
-                };
-
-                *media_lock.song_mut() = Some(handler.play_returning(source));
-                *media_lock.song_name_mut() = first.name.clone();
-
-                msg.channel_id.say(
-                    &ctx.http,
-                    format!("Skipped current song, now playing: {}", first.name),
-                )?;
-            }
-        }
     }
 
     Ok(())