added game timeout after 10 minutes with no action

src/main/java/me/polymarsdev/sokobot/Bot.java

@@ -3,6 +3,7 @@ package me.polymarsdev.sokobot;
 import me.polymarsdev.sokobot.database.Database;
 import me.polymarsdev.sokobot.listener.CommandListener;
 import me.polymarsdev.sokobot.listener.GameListener;
+import me.polymarsdev.sokobot.util.GameUtil;
 import net.dv8tion.jda.api.OnlineStatus;
 import net.dv8tion.jda.api.entities.Activity;
 import net.dv8tion.jda.api.entities.Guild;
@@ -75,6 +76,7 @@ public class Bot {
         builder.setActivity(Activity.playing("@Sokobot for info!"));
         builder.addEventListeners(new GameListener(), new CommandListener());
         shardManager = builder.build();
+        GameUtil.runGameTimer();
         Thread consoleThread = new Thread(() -> {
             Scanner s = new Scanner(System.in);
             while (s.hasNextLine()) {

src/main/java/me/polymarsdev/sokobot/Game.java

@@ -4,6 +4,8 @@ import me.polymarsdev.sokobot.objects.Grid;
 import me.polymarsdev.sokobot.util.GameUtil;
 import net.dv8tion.jda.api.entities.*;
 
+import java.util.concurrent.TimeUnit;
+
 public class Game {
     long gameMessageID;
     long channelID;
@@ -13,6 +15,7 @@ public class Game {
     public int level = 1;
     int width = 9;
     int height = 6;
+    public long lastAction;
     Grid grid = new Grid(width, height, level, playerEmote);
 
     public Game(User user) {
@@ -36,14 +39,25 @@ public class Game {
             height = 6;
             grid = new Grid(width, height, level, playerEmote);
             gameActive = true;
+            lastAction = System.currentTimeMillis();
             GameUtil.sendGameEmbed(channel, String.valueOf(level), grid.toString(), user);
         }
     }
 
+    public void stop() {
+        gameActive = false;
+        TextChannel textChannel = Bot.getShardManager().getTextChannelById(channelID);
+        if (textChannel != null) {
+            textChannel.retrieveMessageById(gameMessageID).queue(gameMessage -> gameMessage.delete().queue());
+        }
+    }
+
     public void run(Guild guild, TextChannel channel, String userInput) {
+        lastAction = System.currentTimeMillis();
         if (userInput.equals("stop") && gameActive) {
-            channel.sendMessage("Thanks for playing, " + user.getAsMention() + "!").queue();
-            gameActive = false;
+            stop();
+            channel.sendMessage("Thanks for playing, " + user.getAsMention() + "!")
+                    .queue(msg -> msg.delete().queueAfter(10, TimeUnit.SECONDS));
         }
         if (userInput.equals("play") && !gameActive) {
             newGame(channel);

src/main/java/me/polymarsdev/sokobot/util/GameUtil.java

@@ -9,6 +9,8 @@ import net.dv8tion.jda.api.entities.MessageChannel;
 import net.dv8tion.jda.api.entities.User;
 
 import java.util.HashMap;
+import java.util.Timer;
+import java.util.TimerTask;
 
 public class GameUtil {
 
@@ -34,10 +36,8 @@ public class GameUtil {
         EmbedBuilder embed = new EmbedBuilder();
         embed.setTitle("Sokobot | Level " + level);
         embed.setDescription(game);
-        embed.addField(
-                "Enter direction (``up``, ``down``, ``left``, ``right``/``wasd``), ``r`` to reset or ``mr`` to "
-                        + "recreate the map",
-                "", false);
+        embed.addField("Enter direction (``up``, ``down``, ``left``, ``right``/``wasd``), ``r`` to reset or ``mr`` to "
+                               + "recreate the map", "", false);
         embed.addField("Player", user.getAsMention(), false);
         channel.sendMessage(embed.build()).queue();
     }
@@ -46,10 +46,8 @@ public class GameUtil {
         EmbedBuilder embed = new EmbedBuilder();
         embed.setTitle("Sokobot | Level " + level);
         embed.setDescription(game);
-        embed.addField(
-                "Enter direction (``up``, ``down``, ``left``, ``right``/``wasd``), ``r`` to reset or ``mr`` to "
-                        + "recreate the map",
-                "", false);
+        embed.addField("Enter direction (``up``, ``down``, ``left``, ``right``/``wasd``), ``r`` to reset or ``mr`` to "
+                               + "recreate the map", "", false);
         embed.addField("Player", user.getAsMention(), false);
         message.editMessage(embed.build()).queue();
     }
@@ -63,4 +61,21 @@ public class GameUtil {
         embed.setFooter("You can also press any reaction to continue.");
         message.editMessage(embed.build()).queue();
     }
+
+    public static void runGameTimer() {
+        new Timer().scheduleAtFixedRate(new TimerTask() {
+            @Override
+            public void run() {
+                long now = System.currentTimeMillis();
+                for (long playerId : games.keySet()) {
+                    Game game = games.get(playerId);
+                    long timeDifference = now - game.lastAction;
+                    if (timeDifference > 10 * 60 * 1000) {
+                        game.stop();
+                        GameUtil.removeGame(playerId);
+                    }
+                }
+            }
+        }, 10 * 60 * 1000, 60 * 1000);
+    }
 }