Added playnow command to play a song immediately.

src/main/java/handiebot/command/commands/music/PlayNowCommand.java

@@ -0,0 +1,79 @@
+package handiebot.command.commands.music;
+
+import com.google.api.services.youtube.model.Video;
+import handiebot.HandieBot;
+import handiebot.command.CommandContext;
+import handiebot.command.ReactionHandler;
+import handiebot.command.reactionListeners.YoutubeChoiceListener;
+import handiebot.command.types.ContextCommand;
+import handiebot.lavaplayer.TrackScheduler;
+import handiebot.lavaplayer.playlist.UnloadedTrack;
+import handiebot.utils.MessageUtils;
+import handiebot.utils.YoutubeSearch;
+import sx.blah.discord.handle.obj.IMessage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static handiebot.HandieBot.resourceBundle;
+import static handiebot.utils.MessageUtils.sendMessage;
+import static handiebot.utils.YoutubeSearch.WATCH_URL;
+
+/**
+ * @author Andrew Lalis
+ * Command to make a song play immediately.
+ */
+public class PlayNowCommand extends ContextCommand {
+//TODO: Externalize strings.
+    public PlayNowCommand() {
+        super("playnow",
+                "<URL,QUERY>",
+                resourceBundle.getString("commands.command.playnow.description"),
+                8);
+    }
+
+    @Override
+    public void execute(CommandContext context) {
+        if (context.getArgs().length < 1){
+            sendMessage("You must provide a URL or series of words to search.", context.getChannel());
+        }
+        if (context.getArgs()[0].startsWith("http")) {
+            //The user has given only a URL.
+            try {
+                playTrackNow(new UnloadedTrack(context.getArgs()[0]), context);
+            } catch (Exception e) {
+                e.printStackTrace();
+                sendMessage("Unable to load the song.", context.getChannel());
+            }
+        } else {
+            //The user has given a search query.
+            List<Video> videos = YoutubeSearch.query(MessageUtils.getTextFromArgs(context.getArgs(), 0));
+            if (videos != null) {
+                List<String> urls = new ArrayList<>(videos.size());
+                videos.forEach((video) -> urls.add(WATCH_URL+video.getId()));
+                IMessage message = YoutubeSearch.displayChoicesDialog(videos, context.getChannel());
+                ReactionHandler.addListener(new YoutubeChoiceListener(message, context.getUser(), urls) {
+                    @Override
+                    protected void onChoice(int choice) {
+                        try {
+                            playTrackNow(new UnloadedTrack(urls.get(choice)), context);
+                        } catch (Exception e){
+                            e.printStackTrace();
+                        }
+                    }
+                });
+            }
+        }
+    }
+
+    /**
+     * Plays an unloaded track immediately.
+     * @param track The unloaded track.
+     * @param context The context of the action.
+     */
+    private void playTrackNow(UnloadedTrack track, CommandContext context){
+        TrackScheduler scheduler = HandieBot.musicPlayer.getMusicManager(context.getGuild()).scheduler;
+        scheduler.getActivePlaylist().getTracks().add(0, track);
+        scheduler.nextTrack();
+    }
+}

src/main/resources/Strings.properties

@@ -49,6 +49,7 @@ commands.command.setPrefix.changed=Changed command prefix to "{0}"
 commands.command.setPrefix.noPrefixError=You must provide a new prefix.
 commands.command.play.description=Plays a song, or adds it to the queue.
 commands.command.play.songAddError=Unable to add song to queue: {0}.
+commands.command.playnow.description=Plays a song immediately, and skips any currently playing song.
 #Playlist strings.
 commands.command.playlist.description.main=Do actions to a playlist.
 commands.command.playlist.description.create=Creates a playlist.

src/main/resources/Strings_nl.properties

@@ -134,5 +134,6 @@ commands.command.report.error=You must name a user in your report.
 commands.command.queue.remove=Removed song(s) from the active queue.
 commands.command.queue.remove.error=You must give the index of a song to remove from the queue.
 commands.command.queue.move.success=Moved song *{0}* from position {1} to position {2}.
+commands.command.playnow.description=Plays a song immediately, and skips any currently playing song.