Hub Player Hider Help

Code (Text):

package com.itaintobeezy.mgpu;

import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.Server;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin implements Listener {
   
    public void onEnable() {
       
        getServer().getPluginManager().registerEvents(this, this);
       
    }
   
    @EventHandler
    public void onPlayerClick(PlayerInteractEvent e) {
       
        ItemStack playerHider = new ItemStack(Material.WATCH);
       
        ItemMeta playerHiderMeta = playerHider.getItemMeta();
       
        playerHiderMeta.setDisplayName(ChatColor.GOLD + "" + ChatColor.BOLD + "Hide Players");
       
        playerHider.setItemMeta(playerHiderMeta);
       
        e.getPlayer().getInventory().setItem(1, playerHider);
       
        if ((e.getItem().getType() == Material.WATCH && e.getItem().getItemMeta() == playerHiderMeta)) {
           
            Player player = e.getPlayer();
           
            Server server = player.getServer();
           
            if (e.getAction() == Action.LEFT_CLICK_AIR | e.getAction() == Action.LEFT_CLICK_BLOCK | e.getAction() == Action.RIGHT_CLICK_AIR | e.getAction() == Action.RIGHT_CLICK_BLOCK) {
               
                for (Player toBeVanished : server.getOnlinePlayers()) {
                   
                    if (toBeVanished.hasPermission("mghubutils.vanish.exclude")) {
                       
                        Player excludeFromVanish1 = toBeVanished;
                       
                        boolean excludeFromVanish = player.hasPermission("mghubutils.vanish.exclude");
                       
                        if (excludeFromVanish == true && excludeFromVanish1 == toBeVanished) {
                           
                            player.showPlayer(excludeFromVanish1);
                           
                        }
                       
                    } else {
                       
                        player.hidePlayer(toBeVanished);
                       
                    }
                       
                }
               
                player.sendMessage(ChatColor.AQUA + "" + ChatColor.BOLD + "Mine" + ChatColor.GREEN + "" + ChatColor.BOLD + "Galaxy" + ChatColor.GRAY + " " + ChatColor.BOLD + ">>" + ChatColor.GOLD + "Hiding all players");
                   
            }
           
            boolean hasPlayerClicked = e.getAction() == Action.LEFT_CLICK_AIR | e.getAction() == Action.LEFT_CLICK_BLOCK | e.getAction() == Action.RIGHT_CLICK_AIR | e.getAction() == Action.RIGHT_CLICK_BLOCK;
           
            if (e.getAction() == Action.LEFT_CLICK_AIR | e.getAction() == Action.LEFT_CLICK_BLOCK | e.getAction() == Action.RIGHT_CLICK_AIR | e.getAction() == Action.RIGHT_CLICK_BLOCK && hasPlayerClicked == true) {
               
                for (Player toBeVanished : e.getPlayer().getServer().getOnlinePlayers()) {
               
                    player.showPlayer(toBeVanished);
               
                }
               
               
               
            }
           
        }
       
    }
   
}

So, I want to create a plugin to vanish players in the hub, but exclude ones with the required permission. This is what I have so far. The problem is that the plugin does nothing. If anyone sees an error please let me know! Thanks!