add Rmlist command

src/com/github/bleuzen/blizcord/bot/commands/Command.java

@@ -35,6 +35,7 @@ public static void init() {
 		commands.add(new Play());
 		commands.add(new Playtime());
 		commands.add(new Repeat());
+		commands.add(new Rmlist());
 		commands.add(new Save());
 		commands.add(new Search());
 		commands.add(new Seek());

src/com/github/bleuzen/blizcord/bot/commands/Help.java

@@ -28,7 +28,8 @@ public void execute(String arg, User author, MessageChannel channel, Guild guild
 				+ "!save <playlist>                (Save the current playlist)\n"
 				+ "!load <playlist>                (Load a saved playlist)\n"
 				+ "!loadshuffle <playlist>         (Load a list and shuffle it)\n"
-				+ "!lists                          (List the saved playlists)\n"
+				+ "!rmlist <playlist>              (Delete a saved playlist)\n"
+				+ "!lists                          (List all saved playlists)\n"
 				+ "!pause                          (Pause or resume the current track)\n"
 				+ "!stop                           (Stop the playback and clear the playlist)\n"
 				+ "!volume                         (Change the playback volume)\n"

src/com/github/bleuzen/blizcord/bot/commands/Rmlist.java

@@ -0,0 +1,50 @@
+package com.github.bleuzen.blizcord.bot.commands;
+
+import com.github.bleuzen.blizcord.Config;
+import com.github.bleuzen.blizcord.bot.AudioPlayerThread;
+import com.github.bleuzen.blizcord.bot.Bot;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.entities.MessageChannel;
+import net.dv8tion.jda.api.entities.User;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+
+class Rmlist extends Command {
+
+	@Override
+	public String getName() {
+		return "rmlist";
+	}
+
+	@Override
+	public boolean isAdminOnly() {
+		return true;
+	}
+
+	@Override
+	public void execute(String arg, User author, MessageChannel channel, Guild guild) {
+		// arg = playlist
+		if(arg == null) {
+			channel.sendMessage(author.getAsMention() + " ``Please specify a playlist name. Put it behind this command.``").queue();
+			return;
+		}
+		File playlistFile = new File(new File(Config.getAppDir(), "playlists"), arg);
+		if(!playlistFile.exists()) {
+			channel.sendMessage(author.getAsMention() + " Playlist doesn't exist: ``" + arg + "``").queue();
+			return;
+		}
+		try {
+			playlistFile.delete();
+			channel.sendMessage(author.getAsMention() + " Playlist deleted: ``" + arg + "``").queue();
+		} catch (Exception e) {
+			channel.sendMessage(author.getAsMention() + " Failed to delete playlist: ``" + arg + "``").queue();
+		}
+	}
+
+}