# disk-usage-insights/1.9/src/Plugin.php

Disk Usage Insights, version 1.9. 125 lines.

- Page: https://pluginprobe.com/plugins/disk-usage-insights/1.9/code/src/Plugin.php
- Raw: https://pluginprobe.com/plugins/disk-usage-insights/1.9/raw/src/Plugin.php
- Modified: 2025-11-18T12:28:20+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/disk-usage-insights/1.9/code/src/Plugin.php#L10-L20`.

```php
<?php
namespace Mgleis\DiskUsageInsights;

use Mgleis\DiskUsageInsights\Frontend\Controller\DeleteSnapshotController;
use Mgleis\DiskUsageInsights\Frontend\Controller\IndexController;
use Mgleis\DiskUsageInsights\Frontend\Controller\ScanController;
use Mgleis\DiskUsageInsights\Frontend\Controller\ScanStatusController;
use Mgleis\DiskUsageInsights\Frontend\Controller\ScanWorkerController;
use Mgleis\DiskUsageInsights\Frontend\Controller\ShowResultsController;
use Mgleis\DiskUsageInsights\Frontend\Controller\ShowResultsTableController;
use Mgleis\DiskUsageInsights\Frontend\Controller\ShowSnapshotsController;

class Plugin {

    const TITLE = 'Disk Usage Insights';
    const NONCE = 'disk_usage_insights';
    /** @var string */
    private $version = '';

    public function __construct(string $version)
    {
        $this->version = $version;
    }

    public function init() {
        // Ensure someone is logged in
        if (!is_user_logged_in()) {
            return;
        }

        // Ensure the user is an administrator
        if (!in_array('administrator', wp_get_current_user()->roles)) {
            return;
        }

        // Add to Tools menue
        add_action('admin_menu', function () {
            add_submenu_page(
                'tools.php',
                self::TITLE,
                self::TITLE,
                'administrator',
                'disk-usage-insights',
                [$this, 'index']
            );
        });

        // Add to admin bar
        add_action('admin_bar_menu', [$this, 'admin_bar_item'], 500);

        // Add JavaScript libs + CSS
        add_action('admin_enqueue_scripts', [$this, 'addScripts']);

        // Add AJAX
        add_action('wp_ajax_dui_scan', $this->wrapErrors(function() { (new ScanController())->scan(); }));
        add_action('wp_ajax_dui_worker', $this->wrapErrors(function() { (new ScanWorkerController())->worker(); }));
        add_action('wp_ajax_dui_status', $this->wrapErrors(function() { (new ScanStatusController())->status(); }));
        add_action('wp_ajax_dui_delete_snapshot', $this->wrapErrors(function() { (new DeleteSnapshotController())->delete(); }));
        add_action('wp_ajax_dui_list_snapshots', $this->wrapErrors(function() { (new ShowSnapshotsController())->execute(); }));
        add_action('wp_ajax_dui_results_table', $this->wrapErrors(function() { (new ShowResultsTableController())->execute(); }));
    }

    public function wrapErrors(callable $fn) {
        return function() use ($fn) {
            try {
                return $fn();
            } catch (\Throwable $e) {
                status_header(500, 'Interner Fehler');
                //echo 'Fehler: Interner Serverfehler.';
                echo "\n\n";
                echo $e->getMessage();
                echo $e->getTraceAsString();
                wp_die();
            }
        };
    }

    public function addScripts($hook_suffix) {
        if ($hook_suffix != 'tools_page_disk-usage-insights') {
            return;
        }
        wp_enqueue_script(
            'htmx.min.js',
            plugins_url('/res/js/htmx-1.9.12.min.js', __DIR__),
            [],
            $this->version,
            ['in_footer' => true]
        );
        wp_enqueue_script(
            'htmx-custom-error-handler.js',
            plugins_url('/res/js/htmx-custom-error-handler.js', __DIR__),
            [],
            $this->version,
            ['in_footer' => true]
        );
        wp_enqueue_style('styles',
            plugins_url('/res/css/styles.css', __DIR__),
            [],
            $this->version
        );
    }

    public function admin_bar_item(\WP_Admin_Bar $admin_bar ) {
        $admin_bar->add_menu(array(
            'id'    => 'menu-id',
            'parent' => null,
            'group'  => null,
            'title' => '<img src="' . WpHelper::getPluginUrl() . '/res/pie.svg" style="margin-top:5px; width:20px" alt="'. self::TITLE .'">',
            'href'  => admin_url('tools.php?page=disk-usage-insights'),
            'meta' => [
                'title' => self::TITLE
            ]
        ));
    }

    public function index() {
        if (!isset($_GET['snapshot'])) {
            return (new IndexController())->execute();
        } else {
            return (new ShowResultsController())->execute();
        }
    }

}

```