src/de/steamwar/bungeecore/BungeeCore.java

@@ -129,6 +129,7 @@ public class BungeeCore extends Plugin {
         new StatCommand();
         new VerifyCommand();
         new GDPRQuery();
+        new PlaytimeCommand();
 
         // Punishment Commands:
         new PunishmentCommand("ban", Punishment.PunishmentType.Ban);

src/de/steamwar/bungeecore/commands/PlaytimeCommand.java

@@ -0,0 +1,21 @@
+package de.steamwar.bungeecore.commands;
+
+import de.steamwar.bungeecore.Message;
+import de.steamwar.bungeecore.sql.SteamwarUser;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+
+import java.text.DecimalFormat;
+
+public class PlaytimeCommand extends BasicCommand{
+
+    public PlaytimeCommand() {
+        super("playtime", null);
+    }
+
+    @Override public void execute(CommandSender sender, String[] strings) {
+        ProxiedPlayer player = (ProxiedPlayer) sender;
+        SteamwarUser user = SteamwarUser.get(player);
+        Message.send("WHOIS_HOURS_PLAYED", player, new DecimalFormat("###.##").format(user.getOnlinetime() / (double) 3600));
+    }
+}