new: skip command

src/main/java/codes/ztereohype/ztereomusic/command/commands/Skip.java

@@ -0,0 +1,59 @@
+package codes.ztereohype.ztereomusic.command.commands;
+
+import codes.ztereohype.ztereomusic.Bot;
+import codes.ztereohype.ztereomusic.audio.TrackManager;
+import codes.ztereohype.ztereomusic.command.Command;
+import codes.ztereohype.ztereomusic.command.CommandMeta;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.VoiceChannel;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.managers.AudioManager;
+
+import java.util.Objects;
+
+public class Skip implements Command {
+    CommandMeta meta = new CommandMeta("skip", "Skip the current track!", new String[]{"next"}, false, false);
+
+    @Override
+    public CommandMeta getMeta() {
+        return this.meta;
+    }
+
+    public void execute(MessageReceivedEvent messageEvent, String[] args) {
+        Member author = Objects.requireNonNull(messageEvent.getMember());
+
+        if (author.getVoiceState() == null) {
+            messageEvent.getChannel().sendMessage("I was unable to access your information... strange...").queue();
+            return;
+        }
+
+        if (!author.getVoiceState().inVoiceChannel()) {
+            messageEvent.getMessage().reply("You are not in a voice channel!").queue();
+            return;
+        }
+
+        Guild guild = messageEvent.getGuild();
+        VoiceChannel voiceChannel = author.getVoiceState().getChannel();
+        AudioManager manager = guild.getAudioManager();
+
+        boolean isInVC = manager.isConnected();
+        boolean isInSameVC = isInVC && Objects.equals(manager.getConnectedChannel(), voiceChannel);
+
+        if (isInSameVC && Bot.trackScheduerMap.containsKey(voiceChannel)) {
+            TrackManager trackManager = Bot.trackScheduerMap.get(voiceChannel);
+
+            if (trackManager.getPlayer().getPlayingTrack() == null) {
+                messageEvent.getMessage().reply("No track is playing.").queue();
+                return;
+            }
+
+            trackManager.skip();
+
+        } else {
+            messageEvent.getMessage().reply("No track is playing...").queue();
+        }
+
+    }
+
+}