packeta / src / Packetery / Module / Plugin.php

Plugin.php in Packeta 1.2.2, at src/Packetery/Module/Plugin.php

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1	<?php
2	/**
3	* Main Packeta plugin class.
4	*
5	* @package Packetery
6	*/
7
8	declare( strict_types=1 );
9
10	namespace Packetery\Module;
11
12	use Packetery\Core\Log\ILogger;
13	use Packetery\Core\Log\Record;
14	use Packetery\Module\Carrier\Downloader;
15	use Packetery\Module\Carrier\OptionsPage;
16	use Packetery\Module\Carrier\Repository;
17	use Packetery\Module\Log;
18	use Packetery\Module\Options;
19	use Packetery\Module\Order;
20	use Packetery\Module\Product;
21	use PacketeryLatte\Engine;
22	use PacketeryNette\Http\Request;
23	use WC_Order;
24
25	/**
26	* Class Plugin
27	*
28	* @package Packetery
29	*/
30	class Plugin {
31
32	public const VERSION = '1.2.2';
33	public const DOMAIN = 'packetery';
34	public const MIN_LISTENER_PRIORITY = -9998;
35
36	/**
37	* Options page.
38	*
39	* @var Options\Page Options page,
40	*/
41	private $options_page;
42
43	/**
44	* PacketeryLatte engine.
45	*
46	* @var Engine
47	*/
48	private $latte_engine;
49
50	/**
51	* Carrier downloader object.
52	*
53	* @var Downloader
54	*/
55	private $carrier_downloader;
56
57	/**
58	* Carrier repository.
59	*
60	* @var Repository
61	*/
62	private $carrierRepository;
63
64	/**
65	* Country options page.
66	*
67	* @var OptionsPage
68	*/
69	private $carrierOptionsPage;
70
71	/**
72	* Path to main plugin file.
73	*
74	* @var string Path to main plugin file.
75	*/
76	private $main_file_path;
77
78	/**
79	* Admin edit order page Packeta metabox.
80	*
81	* @var Order\Metabox
82	*/
83	private $order_metabox;
84
85	/**
86	* Message manager.
87	*
88	* @var MessageManager
89	*/
90	private $message_manager;
91
92	/**
93	* Checkout object.
94	*
95	* @var Checkout
96	*/
97	private $checkout;
98
99	/**
100	* Order BulkActions.
101	*
102	* @var Order\BulkActions
103	*/
104	private $orderBulkActions;
105
106	/**
107	* Label printing.
108	*
109	* @var Order\LabelPrint
110	*/
111	private $labelPrint;
112
113	/**
114	* Order collection printing.
115	*
116	* @var Order\CollectionPrint
117	*/
118	private $orderCollectionPrint;
119
120	/**
121	* Order grid extender.
122	*
123	* @var Order\GridExtender
124	*/
125	private $gridExtender;
126
127	/**
128	* Product tab.
129	*
130	* @var Product\DataTab
131	*/
132	private $productTab;
133
134	/**
135	* Log page.
136	*
137	* @var Log\Page
138	*/
139	private $logPage;
140
141	/**
142	* Log manager.
143	*
144	* @var ILogger
145	*/
146	private $logger;
147
148	/**
149	* Order controller.
150	*
151	* @var Order\Controller
152	*/
153	private $orderController;
154
155	/**
156	* Order modal.
157	*
158	* @var Order\Modal
159	*/
160	private $orderModal;
161
162	/**
163	* Options exporter.
164	*
165	* @var Options\Exporter
166	*/
167	private $exporter;
168
169	/**
170	* Packet synchronizer.
171	*
172	* @var Order\PacketSynchronizer
173	*/
174	private $packetSynchronizer;
175
176	/**
177	* Request.
178	*
179	* @var Request
180	*/
181	private $request;
182
183	/**
184	* Order repository.
185	*
186	* @var Order\Repository
187	*/
188	private $orderRepository;
189
190	/**
191	* Plugin upgrade.
192	*
193	* @var Upgrade
194	*/
195	private $upgrade;
196
197	/**
198	* QueryProcessor.
199	*
200	* @var QueryProcessor
201	*/
202	private $queryProcessor;
203
204	/**
205	* Log repository.
206	*
207	* @var Log\Repository
208	*/
209	private $logRepository;
210
211	/**
212	* Plugin constructor.
213	*
214	* @param Order\Metabox $order_metabox Order metabox.
215	* @param MessageManager $message_manager Message manager.
216	* @param Options\Page $options_page Options page.
217	* @param Repository $carrierRepository Carrier repository.
218	* @param Downloader $carrier_downloader Carrier downloader object.
219	* @param Checkout $checkout Checkout class.
220	* @param Engine $latte_engine PacketeryLatte engine.
221	* @param OptionsPage $carrierOptionsPage Carrier options page.
222	* @param Order\BulkActions $orderBulkActions Order BulkActions.
223	* @param Order\LabelPrint $labelPrint Label printing.
224	* @param Order\GridExtender $gridExtender Order grid extender.
225	* @param Product\DataTab $productTab Product tab.
226	* @param Log\Page $logPage Log page.
227	* @param ILogger $logger Log manager.
228	* @param Order\Controller $orderController Order controller.
229	* @param Order\Modal $orderModal Order modal.
230	* @param Options\Exporter $exporter Options exporter.
231	* @param Order\CollectionPrint $orderCollectionPrint Order collection print.
232	* @param Order\PacketSynchronizer $packetSynchronizer Packet synchronizer.
233	* @param Request $request HTTP request.
234	* @param Order\Repository $orderRepository Order repository.
235	* @param Upgrade $upgrade Plugin upgrade.
236	* @param QueryProcessor $queryProcessor QueryProcessor.
237	* @param Log\Repository $logRepository Log repository.
238	*/
239	public function __construct(
240	Order\Metabox $order_metabox,
241	MessageManager $message_manager,
242	Options\Page $options_page,
243	Repository $carrierRepository,
244	Downloader $carrier_downloader,
245	Checkout $checkout,
246	Engine $latte_engine,
247	OptionsPage $carrierOptionsPage,
248	Order\BulkActions $orderBulkActions,
249	Order\LabelPrint $labelPrint,
250	Order\GridExtender $gridExtender,
251	Product\DataTab $productTab,
252	Log\Page $logPage,
253	ILogger $logger,
254	Order\Controller $orderController,
255	Order\Modal $orderModal,
256	Options\Exporter $exporter,
257	Order\CollectionPrint $orderCollectionPrint,
258	Order\PacketSynchronizer $packetSynchronizer,
259	Request $request,
260	Order\Repository $orderRepository,
261	Upgrade $upgrade,
262	QueryProcessor $queryProcessor,
263	Log\Repository $logRepository
264	) {
265	$this->options_page = $options_page;
266	$this->latte_engine = $latte_engine;
267	$this->carrierRepository = $carrierRepository;
268	$this->carrier_downloader = $carrier_downloader;
269	$this->main_file_path = PACKETERY_PLUGIN_DIR . '/packeta.php';
270	$this->order_metabox = $order_metabox;
271	$this->message_manager = $message_manager;
272	$this->checkout = $checkout;
273	$this->carrierOptionsPage = $carrierOptionsPage;
274	$this->orderBulkActions = $orderBulkActions;
275	$this->labelPrint = $labelPrint;
276	$this->gridExtender = $gridExtender;
277	$this->productTab = $productTab;
278	$this->logPage = $logPage;
279	$this->logger = $logger;
280	$this->orderController = $orderController;
281	$this->orderModal = $orderModal;
282	$this->exporter = $exporter;
283	$this->orderCollectionPrint = $orderCollectionPrint;
284	$this->packetSynchronizer = $packetSynchronizer;
285	$this->request = $request;
286	$this->orderRepository = $orderRepository;
287	$this->upgrade = $upgrade;
288	$this->queryProcessor = $queryProcessor;
289	$this->logRepository = $logRepository;
290	}
291
292	/**
293	* Method to register hooks
294	*/
295	public function run(): void {
296	add_action( 'init', [ $this, 'loadTranslation' ] );
297
298	if ( ! self::isWooCommercePluginActive() ) {
299	add_action( 'admin_notices', [ $this, 'echoInactiveWooCommerceNotice' ] );
300
301	return;
302	}
303
304	add_action( 'init', [ $this->upgrade, 'check' ] );
305	add_action( 'init', [ $this->logger, 'register' ] );
306	add_action( 'init', [ $this->message_manager, 'init' ] );
307	add_action( 'rest_api_init', [ $this->orderController, 'registerRoutes' ] );
308
309	add_action( 'admin_enqueue_scripts', array( $this, 'enqueueAdminAssets' ) );
310	add_action( 'wp_enqueue_scripts', [ $this, 'enqueueFrontAssets' ] );
311
312	add_action(
313	'admin_notices',
314	function () {
315	$this->message_manager->render( MessageManager::RENDERER_WORDPRESS );
316	},
317	self::MIN_LISTENER_PRIORITY
318	);
319	add_action( 'init', array( $this, 'init' ) );
320
321	register_activation_hook( $this->main_file_path, array( $this, 'activate' ) );
322
323	// TODO: deactivation_hook.
324	register_deactivation_hook(
325	$this->main_file_path,
326	static function () {
327	}
328	);
329
330	register_uninstall_hook( $this->main_file_path, array( __CLASS__, 'uninstall' ) );
331
332	add_action( 'woocommerce_email_footer', array( $this, 'render_email_footer' ) );
333	add_filter( 'woocommerce_shipping_methods', array( $this, 'add_shipping_method' ) );
334
335	add_filter( 'views_edit-shop_order', [ $this->gridExtender, 'addFilterLinks' ] );
336	add_action( 'restrict_manage_posts', [ $this->gridExtender, 'renderOrderTypeSelect' ] );
337	$this->queryProcessor->register();
338
339	add_filter( 'manage_edit-shop_order_columns', [ $this->gridExtender, 'addOrderListColumns' ] );
340	add_action( 'manage_shop_order_posts_custom_column', [ $this->gridExtender, 'fillCustomOrderListColumns' ] );
341
342	add_filter( 'woocommerce_order_data_store_cpt_get_orders_query', [ $this->upgrade, 'handleCustomQueryVar' ], 10, 2 );
343
344	add_action( 'admin_menu', array( $this, 'add_menu_pages' ) );
345	add_action( 'admin_head', array( $this->labelPrint, 'hideFromMenus' ) );
346	add_action( 'admin_head', array( $this->orderCollectionPrint, 'hideFromMenus' ) );
347	$this->orderModal->register();
348	$this->order_metabox->register();
349
350	$this->checkout->register_hooks();
351	$this->productTab->register();
352
353	add_action(
354	'packetery_cron_carriers_hook',
355	function () {
356	$this->carrier_downloader->runAndRender();
357	}
358	);
359	if ( ! wp_next_scheduled( 'packetery_cron_carriers_hook' ) ) {
360	wp_schedule_event( time(), 'daily', 'packetery_cron_carriers_hook' );
361	}
362
363	// TODO: Packet status sync.
364	wp_clear_scheduled_hook( 'packetery_cron_packet_status_sync_hook' );
365
366	add_action( 'woocommerce_admin_order_data_after_shipping_address', [ $this, 'renderDeliveryDetail' ] );
367	add_action( 'woocommerce_order_details_after_order_table', [ $this, 'renderOrderDetail' ] );
368
369	// Adding custom actions to dropdown in admin order list.
370	add_filter( 'bulk_actions-edit-shop_order', [ $this->orderBulkActions, 'addActions' ], 20, 1 );
371	// Execute the action for selected orders.
372	add_filter(
373	'handle_bulk_actions-edit-shop_order',
374	[
375	$this->orderBulkActions,
376	'handleActions',
377	],
378	10,
379	3
380	);
381	// Print packets export result.
382	add_action( 'admin_notices', [ $this->orderBulkActions, 'renderPacketsExportResult' ], self::MIN_LISTENER_PRIORITY );
383
384	add_action( 'admin_init', [ $this->labelPrint, 'outputLabelsPdf' ] );
385	add_action( 'admin_init', [ $this->orderCollectionPrint, 'print' ] );
386
387	add_action( 'admin_init', [ $this->exporter, 'outputExportTxt' ] );
388	add_filter( 'woocommerce_order_data_store_cpt_get_orders_query', [ $this, 'transformGetOrdersQuery' ] );
389	}
390
391	/**
392	* Print inactive WooCommerce notice.
393	*
394	* @return void
395	*/
396	public function echoInactiveWooCommerceNotice(): void {
397	if ( self::isWooCommercePluginActive() ) {
398	// When Packeta plugin is active and WooCommerce plugin is inactive.
399	// If user decides to activate WooCommerce plugin then invalid notice will not be rendered.
400	// Packeta plugin probably bootstraps twice in such case.
401	return;
402	}
403
404	$this->latte_engine->render(
405	PACKETERY_PLUGIN_DIR . '/template/admin-notice.latte',
406	[
407	'message' => [
408	'type' => 'error',
409	'message' => __( 'packetaPluginRequiresWooCommerce', 'packetery' ),
410	],
411	]
412	);
413	}
414
415	/**
416	* Is WC plugin active.
417	*
418	* @return bool
419	*/
420	private static function isWooCommercePluginActive(): bool {
421	return in_array( 'woocommerce/woocommerce.php', (array) get_option( 'active_plugins', [] ), true );
422	}
423
424	/**
425	* Filter queries.
426	*
427	* @param array $query Query.
428	*
429	* @return array
430	*/
431	public function transformGetOrdersQuery( array $query ): array {
432	if ( ! empty( $query['packetery_meta_query'] ) ) {
433	// @codingStandardsIgnoreStart
434	$query['meta_query'] = $query['packetery_meta_query'];
435	// @codingStandardsIgnoreEnd
436	}
437
438	return $query;
439	}
440
441	/**
442	* Renders delivery detail for packetery orders.
443	*
444	* @param WC_Order $order WordPress order.
445	*/
446	public function renderDeliveryDetail( WC_Order $order ): void {
447	$orderEntity = $this->orderRepository->getByWcOrder( $order );
448	if ( null === $orderEntity ) {
449	return;
450	}
451
452	$carrierId = $orderEntity->getCarrierId();
453	$carrierOptions = Carrier\Options::createByCarrierId( $carrierId );
454
455	$this->latte_engine->render(
456	PACKETERY_PLUGIN_DIR . '/template/order/delivery-detail.latte',
457	[
458	'pickupPoint' => $orderEntity->getPickupPoint(),
459	'validatedDeliveryAddress' => $orderEntity->getValidatedDeliveryAddress(),
460	'carrierAddressValidation' => $carrierOptions->getAddressValidation(),
461	]
462	);
463	}
464
465	/**
466	* Renders delivery detail for packetery orders, on "thank you" page and in frontend detail.
467	*
468	* @param WC_Order $wcOrder WordPress order.
469	*/
470	public function renderOrderDetail( WC_Order $wcOrder ): void {
471	$order = $this->orderRepository->getById( $wcOrder->get_id() );
472	if ( null === $order ) {
473	return;
474	}
475
476	$pickupPoint = $order->getPickupPoint();
477	$validatedDeliveryAddress = $order->getValidatedDeliveryAddress();
478	if ( null === $pickupPoint && null === $validatedDeliveryAddress ) {
479	return;
480	}
481
482	$this->latte_engine->render(
483	PACKETERY_PLUGIN_DIR . '/template/order/detail.latte',
484	[
485	'pickupPoint' => $pickupPoint,
486	'validatedDeliveryAddress' => $validatedDeliveryAddress,
487	]
488	);
489	}
490
491	/**
492	* Renders email footer.
493	*
494	* @param \WC_Email\|null $email Email data.
495	*/
496	public function render_email_footer( ?\WC_Email $email ): void {
497	if ( null === $email \|\| ! $email->object instanceof \WC_Order ) {
498	return;
499	}
500
501	$packeteryOrder = $this->orderRepository->getByWcOrder( $email->object );
502	if ( null === $packeteryOrder ) {
503	return;
504	}
505
506	$pickupPoint = $packeteryOrder->getPickupPoint();
507	$validatedDeliveryAddress = $packeteryOrder->getValidatedDeliveryAddress();
508
509	$this->latte_engine->render(
510	PACKETERY_PLUGIN_DIR . '/template/email/footer.latte',
511	[
512	'pickupPoint' => $pickupPoint,
513	'validatedDeliveryAddress' => $validatedDeliveryAddress,
514	]
515	);
516	}
517
518	/**
519	* Enqueues admin JS file.
520	*
521	* @param string $name Name of script.
522	* @param string $file Relative file path.
523	* @param bool $inFooter Tells where to include script.
524	* @param array $deps Script dependencies.
525	*/
526	private function enqueueScript( string $name, string $file, bool $inFooter, array $deps = [] ): void {
527	wp_enqueue_script(
528	$name,
529	plugin_dir_url( $this->main_file_path ) . $file,
530	$deps,
531	md5( (string) filemtime( PACKETERY_PLUGIN_DIR . '/' . $file ) ),
532	$inFooter
533	);
534	}
535
536	/**
537	* Enqueues CSS file.
538	*
539	* @param string $name Name of script.
540	* @param string $file Relative file path.
541	*/
542	private function enqueueStyle( string $name, string $file ): void {
543	wp_enqueue_style(
544	$name,
545	plugin_dir_url( $this->main_file_path ) . $file,
546	[],
547	md5( (string) filemtime( PACKETERY_PLUGIN_DIR . '/' . $file ) )
548	);
549	}
550
551	/**
552	* Builds asset URL.
553	*
554	* @param string $asset Relative asset path without leading slash.
555	*
556	* @return string
557	*/
558	public static function buildAssetUrl( string $asset ): string {
559	$url = plugin_dir_url( PACKETERY_PLUGIN_DIR . '/packeta.php' ) . $asset;
560	$filename = PACKETERY_PLUGIN_DIR . '/' . $asset;
561
562	return add_query_arg( [ 'v' => md5( (string) filemtime( $filename ) ) ], $url );
563	}
564
565	/**
566	* Enqueues javascript files and stylesheets for checkout.
567	*/
568	public function enqueueFrontAssets(): void {
569	if ( is_checkout() ) {
570	$this->enqueueStyle( 'packetery-front-styles', 'public/front.css' );
571	$this->enqueueScript( 'packetery-checkout', 'public/checkout.js', false, [ 'jquery' ] );
572	}
573	}
574
575	/**
576	* Enqueues javascript files and stylesheets for administration.
577	*/
578	public function enqueueAdminAssets(): void {
579	global $pagenow, $typenow;
580
581	$page = $this->request->getQuery( 'page' );
582	$isOrderGridPage = 'edit.php' === $pagenow && 'shop_order' === $typenow;
583	$isOrderDetailPage = 'post.php' === $pagenow && 'shop_order' === $typenow;
584
585	if ( $isOrderGridPage \|\| $isOrderDetailPage \|\| in_array( $page, [ Carrier\OptionsPage::SLUG, Options\Page::SLUG ], true ) ) {
586	$this->enqueueScript( 'live-form-validation-options', 'public/live-form-validation-options.js', false );
587	$this->enqueueScript( 'live-form-validation', 'public/libs/live-form-validation/live-form-validation.js', false, [ 'live-form-validation-options' ] );
588	}
589
590	if ( Carrier\OptionsPage::SLUG === $page ) {
591	$this->enqueueScript( 'packetery-admin-country-carrier', 'public/admin-country-carrier.js', true, [ 'jquery' ] );
592	}
593
594	if ( $isOrderGridPage \|\| $isOrderDetailPage \|\| in_array( $page, [ Options\Page::SLUG, Carrier\OptionsPage::SLUG, Log\Page::SLUG, Order\labelPrint::MENU_SLUG ], true ) ) {
595	$this->enqueueStyle( 'packetery-admin-styles', 'public/admin.css' );
596	}
597
598	if ( $isOrderGridPage ) {
599	$this->enqueueScript( 'packetery-admin-grid-order-edit-js', 'public/admin-grid-order-edit.js', true, [ 'jquery', 'wp-util', 'backbone' ] );
600	}
601
602	if ( $isOrderDetailPage ) {
603	$this->enqueueScript( 'packetery-admin-pickup-point-picker', 'public/admin-pickup-point-picker.js', false, [ 'jquery' ] );
604	}
605	}
606
607	/**
608	* Add links to left admin menu.
609	*/
610	public function add_menu_pages(): void {
611	$this->options_page->register();
612	$this->carrierOptionsPage->register();
613	$this->labelPrint->register();
614	$this->orderCollectionPrint->register();
615	$this->logPage->register();
616	}
617
618	/**
619	* Gets current locale.
620	*/
621	private function getLocale(): string {
622	return apply_filters(
623	'plugin_locale',
624	( is_admin() ? get_user_locale() : get_locale() ),
625	self::DOMAIN
626	);
627	}
628
629	/**
630	* Loads plugin translation file by user locale.
631	*/
632	public function loadTranslation(): void {
633	$domain = self::DOMAIN;
634	$locale = $this->getLocale();
635
636	$moFile = PACKETERY_PLUGIN_DIR . "/languages/$domain-$locale.mo";
637	$result = load_textdomain( $domain, $moFile );
638
639	if ( false === $result ) {
640	$moFile = PACKETERY_PLUGIN_DIR . "/languages/$domain-en_US.mo";
641	load_textdomain( $domain, $moFile );
642	}
643	}
644
645	/**
646	* Inits plugin.
647	*/
648	public function init(): void {
649	add_filter(
650	'plugin_action_links_' . plugin_basename( $this->main_file_path ),
651	[
652	$this,
653	'addPluginActionLinks',
654	]
655	);
656	}
657
658	/**
659	* Activates plugin.
660	*/
661	public function activate(): void {
662	global $wpdb;
663
664	$this->logRepository->createTable();
665	if ( false === PACKETERY_DEBUG ) {
666	$this->options_page->setDefaultValues();
667	}
668
669	$this->init();
670
671	$createResult = $this->carrierRepository->createTable();
672	if ( false === $createResult ) {
673	$lastError = $wpdb->last_error;
674	$this->message_manager->flash_message( __( 'carrierTableNotCreatedMoreInformationInPacketaLog', 'packetery' ), MessageManager::TYPE_ERROR );
675
676	$record = new Record();
677	$record->action = Record::ACTION_CARRIER_TABLE_NOT_CREATED;
678	$record->status = Record::STATUS_ERROR;
679	$record->title = __( 'carrierTableNotCreated', 'packetery' );
680	$record->params = [
681	'errorMessage' => $lastError,
682	];
683	$this->logger->add( $record );
684	}
685
686	$createResult = $this->orderRepository->createTable();
687	if ( false === $createResult ) {
688	$lastError = $wpdb->last_error;
689	$this->message_manager->flash_message( __( 'orderTableNotCreatedMoreInformationInPacketaLog', 'packetery' ), MessageManager::TYPE_ERROR );
690
691	$record = new Record();
692	$record->action = Record::ACTION_ORDER_TABLE_NOT_CREATED;
693	$record->status = Record::STATUS_ERROR;
694	$record->title = __( 'orderTableNotCreated', 'packetery' );
695	$record->params = [
696	'errorMessage' => $lastError,
697	];
698	$this->logger->add( $record );
699	}
700
701	$this->upgrade->check();
702	}
703
704	/**
705	* Uninstalls plugin and drops custom database table.
706	* Only a static class method or function can be used in an uninstall hook.
707	*/
708	public static function uninstall(): void {
709	if ( defined( 'PACKETERY_DEBUG' ) && PACKETERY_DEBUG === true ) {
710	return;
711	}
712
713	$container = require PACKETERY_PLUGIN_DIR . '/bootstrap.php';
714
715	$optionsRepository = $container->getByType( Options\Repository::class );
716	$pluginOptions = $optionsRepository->getPluginOptions();
717	foreach ( $pluginOptions as $option ) {
718	delete_option( $option->option_name );
719	}
720
721	$logRepository = $container->getByType( Log\Repository::class );
722	$logRepository->drop();
723
724	$carrierRepository = $container->getByType( Carrier\Repository::class );
725	$carrierRepository->drop();
726
727	$orderRepository = $container->getByType( Order\Repository::class );
728	$orderRepository->drop();
729	}
730
731	/**
732	* Adds action links visible at the plugin screen.
733	*
734	* @link https://developer.wordpress.org/reference/hooks/plugin_action_links_plugin_file/
735	*
736	* @param array $links Plugin Action links.
737	*
738	* @return array
739	*/
740	public function addPluginActionLinks( array $links ): array {
741	$settingsLink = '<a href="' . esc_url( admin_url( 'admin.php?page=' . Options\Page::SLUG ) ) . '" aria-label="' .
742	esc_attr__( 'View Packeta settings', 'packetery' ) . '">' .
743	esc_html__( 'Settings', 'packetery' ) . '</a>';
744
745	array_unshift( $links, $settingsLink );
746
747	return $links;
748	}
749
750	/**
751	* Adds Packeta method to available shipping methods.
752	*
753	* @param array $methods Previous state.
754	*
755	* @return array
756	*/
757	public function add_shipping_method( array $methods ): array {
758	$methods[ ShippingMethod::PACKETERY_METHOD_ID ] = ShippingMethod::class;
759
760	return $methods;
761	}
762
763	/**
764	* Hides submenu item. Must not be called too early.
765	*
766	* @param string $itemSlug Item slug.
767	*/
768	public static function hideSubmenuItem( string $itemSlug ): void {
769	global $submenu;
770	if ( isset( $submenu[ Options\Page::SLUG ] ) ) {
771	foreach ( $submenu[ Options\Page::SLUG ] as $key => $menu ) {
772	if ( $itemSlug === $menu[2] ) {
773	unset( $submenu[ Options\Page::SLUG ][ $key ] );
774	}
775	}
776	}
777	}
778
779	/**
780	* Gets software identity for Packeta APIs.
781	*
782	* @return string
783	*/
784	public static function getAppIdentity(): string {
785	return 'Woocommerce: ' . get_bloginfo( 'version' ) . ', WordPress: ' . WC_VERSION . ', plugin Packeta: ' . self::VERSION;
786	}
787	}
788