404-solution / includes / ajax / Ajax_RestoreDefaults.php

Ajax_RestoreDefaults.php in 404 Solution 4.1.19, at includes/ajax/Ajax_RestoreDefaults.php

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1	<?php
2
3
4	if (!defined('ABSPATH')) {
5	exit;
6	}
7
8	/**
9	* AJAX handler for restoring plugin settings to canonical defaults.
10	*
11	* Entry point: wp_ajax_abj404_restore_defaults.
12	* Gates: valid nonce ('abj404_restore_defaults') AND plugin admin capability.
13	* Action: writes PluginLogic::getDefaultOptions() through PluginLogic::updateOptions(),
14	* preserving the DB_VERSION key so a settings restore does not trigger a schema downgrade.
15	*/
16	class ABJ_404_Solution_Ajax_RestoreDefaults {
17	use ABJ_404_Solution_AjaxSecurityTrait;
18
19	/** @var self\|null */
20	private static $instance = null;
21
22	/** @return self */
23	public static function getInstance(): self {
24	if (self::$instance == null) {
25	self::$instance = new ABJ_404_Solution_Ajax_RestoreDefaults();
26	}
27	return self::$instance;
28	}
29
30	/**
31	* Initialize AJAX handler.
32	* @return void
33	*/
34	static function init(): void {
35	$me = ABJ_404_Solution_Ajax_RestoreDefaults::getInstance();
36	ABJ_404_Solution_WPUtils::safeAddAction('wp_ajax_abj404_restore_defaults',
37	array($me, 'handleRestoreDefaults'));
38	}
39
40	/**
41	* Handle the restore-defaults AJAX request. Verifies nonce + admin
42	* capability, then overwrites abj404_settings with getDefaultOptions().
43	* DB_VERSION is preserved from the current settings so a settings reset
44	* does not look like a schema downgrade to DatabaseUpgradesEtc.
45	* @return void
46	*/
47	function handleRestoreDefaults(): void {
48	self::requireAdminWithNonce('abj404_restore_defaults');
49
50	$abj404logic = abj_service('plugin_logic');
51
52	$defaults = $abj404logic->getDefaultOptions();
53
54	// Preserve DB_VERSION so the restore does not appear as a schema
55	// downgrade to the upgrade engine.
56	$current = $abj404logic->getOptions(true);
57	if (is_array($current) && array_key_exists('DB_VERSION', $current)) {
58	$defaults['DB_VERSION'] = $current['DB_VERSION'];
59	}
60
61	$abj404logic->updateOptions($defaults);
62
63	wp_send_json_success(array(
64	'message' => __('Settings restored to defaults.', '404-solution'),
65	));
66	}
67	}
68