cartflows / classes / importer / batch-process / class-cartflows-batch-process.php

class-cartflows-batch-process.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce trunk, at classes/importer/batch-process/class-cartflows-batch-process.php

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1	<?php
2	/**
3	* Batch Processing
4	*
5	* @package CartFlows
6	* @since 1.0.0
7	*/
8
9	// Exit if accessed directly.
10	if ( ! defined( 'ABSPATH' ) ) {
11	exit;
12	}
13	if ( ! class_exists( 'CartFlows_Batch_Process' ) ) :
14
15	/**
16	* CartFlows_Batch_Process
17	*
18	* @since 1.0.0
19	*/
20	class CartFlows_Batch_Process {
21
22	/**
23	* Instance
24	*
25	* @since 1.0.0
26	* @var object Class object.
27	* @access private
28	*/
29	private static $instance;
30
31	/**
32	* Elementor Batch Instance
33	*
34	* @since 1.1.1 Updated instance name with elementor specific.
35	*
36	* @since 1.0.0
37	* @var object Class object.
38	* @access public
39	*/
40	public static $batch_instance_elementor;
41
42	/**
43	* Beaver Builder Batch Instance
44	*
45	* @since 1.1.1
46	* @var object Class object.
47	* @access public
48	*/
49	public static $batch_instance_bb;
50
51	/**
52	* Divi Batch Instance
53	*
54	* @since 1.1.1
55	* @var object Class object.
56	* @access public
57	*/
58	public static $batch_instance_divi;
59
60	/**
61	* Gutenberg Batch Instance
62	*
63	* @since 1.5.9
64	* @var object Class object.
65	* @access public
66	*/
67	public static $batch_instance_gb;
68
69	/**
70	* Sites Importer
71	*
72	* @since 1.6.15
73	* @var object Class object.
74	* @access public
75	*/
76	public static $process_site_importer;
77
78	/**
79	* Last Export Checksums
80	*
81	* @since 1.6.15
82	* @var object Class object.
83	* @access public
84	*/
85	public $last_export_checksums;
86
87	/**
88	* Set the
89	*
90	* @since 2.0.8
91	* @var bool True/False flag to get the status of import process.
92	* @access public
93	*/
94	public static $is_wcf_template_import;
95
96	/**
97	* Initiator
98	*
99	* @since 1.0.0
100	* @return object initialized object of class.
101	*/
102	public static function get_instance() {
103	if ( ! isset( self::$instance ) ) {
104	self::$instance = new self();
105	}
106	return self::$instance;
107	}
108
109	/**
110	* Constructor
111	*
112	* @since 1.0.0
113	*/
114	public function __construct() {
115
116	// Not BB or Elementor then avoid importer.
117	// if ( ! class_exists( '\Elementor\Plugin' ) && ! class_exists( 'FLBuilder' ) ) {
118	// return;
119	// }
120	// Core Helpers - Image.
121	require_once ABSPATH . 'wp-admin/includes/image.php';
122
123	// Core Helpers - Batch Processing.
124	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/helpers/class-cartflows-importer-image.php';
125	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/helpers/class-wp-async-request.php';
126	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/helpers/class-wp-background-process.php';
127
128	$default_page_builder = Cartflows_Helper::get_common_setting( 'default_page_builder' );
129
130	// Elementor.
131	if ( ( 'elementor' === $default_page_builder ) && class_exists( '\Elementor\Plugin' ) ) {
132	// Add "elementor" in import [queue].
133	// @todo Remove required `allow_url_fopen` support.
134	if ( ini_get( 'allow_url_fopen' ) ) {
135	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-elementor.php';
136	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-elementor-batch.php';
137	self::$batch_instance_elementor = new Cartflows_Importer_Elementor_Batch();
138	}
139	}
140
141	// Beaver Builder.
142	if ( ( 'beaver-builder' === $default_page_builder ) && class_exists( 'FLBuilder' ) ) {
143	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-beaver-builder.php';
144	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-beaver-builder-batch.php';
145	self::$batch_instance_bb = new Cartflows_Importer_Beaver_Builder_Batch();
146	}
147
148	// Divi.
149	if ( ( 'other' === $default_page_builder ) && ( class_exists( 'ET_Builder_Plugin' ) \|\| Cartflows_Compatibility::get_instance()->is_divi_enabled() ) ) {
150	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-divi.php';
151	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-divi-batch.php';
152	self::$batch_instance_divi = new Cartflows_Importer_Divi_Batch();
153	}
154
155	// Gutenberg.
156	if ( ( 'gutenberg' === $default_page_builder ) ) {
157	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-gutenberg.php';
158	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-importer-gutenberg-batch.php';
159	self::$batch_instance_gb = new Cartflows_Importer_Gutenberg_Batch();
160	}
161
162	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/class-cartflows-batch-processing-sync-library.php';
163	require_once CARTFLOWS_DIR . 'classes/importer/batch-process/helpers/class-wp-background-process-cartflows-sync-library.php';
164	self::$process_site_importer = new WP_Background_Process_Cartflows_Sync_Library();
165
166	// Start image importing after site import complete.
167	add_action( 'cartflows_after_template_import', array( $this, 'start_batch_process' ) );
168	add_action( 'cartflows_import_complete', array( $this, 'complete_batch_import' ) );
169	add_filter( 'upload_mimes', array( $this, 'wcf_custom_upload_mimes' ) ); //phpcs:ignore WordPressVIPMinimum.Hooks.RestrictedHooks.upload_mimes
170	add_filter( 'wp_prepare_attachment_for_js', array( $this, 'add_svg_image_support' ), 10, 3 );
171	add_action( 'cartflows_before_elementor_import_single_template', array( $this, 'enable_unfiltered_upload_elementor' ) );
172	add_action( 'admin_head', array( $this, 'start_importer' ) );
173	}
174
175	/**
176	* Start Importer
177	*
178	* @since 1.6.15
179	* @return void
180	*/
181	public function start_importer() {
182
183	$is_fresh_site = get_site_option( 'cartflows-fresh-site', '' );
184
185	// Process initially for the fresh user.
186	if ( isset( $_GET['reset'] ) && isset( $_GET['_wpnonce'] ) && wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'cartflows_batch_reset' ) ) {
187
188	// Process import.
189	$this->process_batch();
190
191	} elseif ( empty( $is_fresh_site ) ) {
192
193	// First time user save the data of sites, pages, categories etc from the JSON file.
194	$dir = CARTFLOWS_DIR . 'admin-core/assets/importer-data';
195	$list_files = list_files( $dir );
196	if ( ! empty( $list_files ) ) {
197	$list_files = array_map( 'basename', $list_files );
198
199	foreach ( $list_files as $key => $file_name ) {
200	$data = file_get_contents( $dir . '/' . $file_name );
201	if ( ! empty( $data ) ) {
202	$option_name = str_replace( '.json', '', $file_name );
203	update_site_option( $option_name, json_decode( $data, true ) );
204	}
205	}
206	}
207
208	// Also, Trigger the batch to get latest data.
209	// If batch failed then user have at least the data from the JSON file.
210	$this->process_batch();
211
212	update_site_option( 'cartflows-fresh-site', 'yes', 'no' );
213
214	// If not fresh user then trigger batch import on the transient and option
215	// Only on the Astra Sites page.
216	} else {
217
218	$current_screen = get_current_screen();
219
220	// Bail if not on Astra Sites screen.
221	if ( ! is_object( $current_screen ) && null === $current_screen ) {
222	return;
223	}
224
225	if ( 'toplevel_page_cartflows' === $current_screen->id \|\| 'cartflows_page_cartflows_settings' === $current_screen->id ) {
226
227	// Process import.
228	$this->process_batch();
229	}
230	}
231	}
232
233	/**
234	* Update Latest Checksums
235	*
236	* Store latest checksum after batch complete.
237	*
238	* @param string $templates templates category to fetch.
239	* @since 1.6.15
240	* @return void
241	*/
242	public function update_latest_checksums( $templates = '' ) {
243	$suffix = 'store-checkout' === $templates ? 'store-checkout-' : '';
244	wcf()->logger->sync_log( 'Checkusms updated' );
245	$latest_checksums = get_site_option( 'cartflows-' . $suffix . 'last-export-checksums-latest', '' );
246	update_site_option( 'cartflows-' . $suffix . 'last-export-checksums', $latest_checksums, 'no' );
247	}
248
249	/**
250	* Added .svg files as supported format in the uploader.
251	*
252	* @since 1.1.4
253	*
254	* @param array $mimes Already supported mime types.
255	*/
256	public function wcf_custom_upload_mimes( $mimes ) {
257	// Return if the current user don't have the access to upload the files.
258	if ( ! current_user_can( 'cartflows_manage_flows_steps' ) && ! current_user_can( 'unfiltered_upload' ) ) {
259	return $mimes;
260	}
261	// Only add the SVG support if and only if the CartFlows import is complete OR in progress.
262	if ( false === get_transient( 'cartflows_is_wcf_template_import' ) ) {
263	return $mimes;
264	}
265	// Allow SVG files.
266	$mimes['svg'] = 'image/svg+xml';
267	$mimes['svgz'] = 'image/svg+xml';
268
269	// Allow XML files.
270	$mimes['xml'] = 'text/xml';
271
272	return $mimes;
273	}
274
275	/**
276	* Add SVG image support
277	*
278	* @since 1.1.4
279	*
280	* @param array $response Attachment response.
281	* @param object $attachment Attachment object.
282	* @param array $meta Attachment meta data.
283	*/
284	public function add_svg_image_support( $response, $attachment, $meta ) {
285	if ( ! function_exists( 'simplexml_load_file' ) ) {
286	return $response;
287	}
288
289	if ( ! empty( $response['sizes'] ) ) {
290	return $response;
291	}
292
293	if ( 'image/svg+xml' !== $response['mime'] ) {
294	return $response;
295	}
296
297	$svg_path = get_attached_file( $attachment->ID );
298
299	$dimensions = self::get_svg_dimensions( $svg_path );
300
301	$response['sizes'] = array(
302	'full' => array(
303	'url' => $response['url'],
304	'width' => $dimensions->width,
305	'height' => $dimensions->height,
306	'orientation' => $dimensions->width > $dimensions->height ? 'landscape' : 'portrait',
307	),
308	);
309
310	return $response;
311	}
312
313	/**
314	* Get SVG Dimensions
315	*
316	* @since 1.1.4.
317	*
318	* @param string $svg SVG file path.
319	* @return array Return SVG file height & width for valid SVG file.
320	*/
321	public static function get_svg_dimensions( $svg ) {
322
323	// Security: Disable external entity loading to prevent XXE attacks.
324	$previous_value = libxml_disable_entity_loader( true ); // phpcs:ignore Generic.PHP.DeprecatedFunctions.Deprecated
325	$svg = simplexml_load_file( $svg, 'SimpleXMLElement', LIBXML_NONET \| LIBXML_NOENT );
326	libxml_disable_entity_loader( $previous_value ); // phpcs:ignore Generic.PHP.DeprecatedFunctions.Deprecated
327
328	if ( false === $svg ) {
329	$width = '0';
330	$height = '0';
331	} else {
332	$attributes = $svg->attributes();
333	$width = (string) $attributes->width;
334	$height = (string) $attributes->height;
335	}
336
337	return (object) array(
338	'width' => $width,
339	'height' => $height,
340	);
341	}
342
343	/**
344	* Batch Process Complete.
345	*
346	* @return void
347	*/
348	public function complete_batch_import() {
349	wcf()->logger->import_log( '(✓) BATCH Process Complete!' );
350	}
351
352	/**
353	* Start Image Import
354	*
355	* @param integer $post_id Post Id.
356	*
357	* @return void
358	*/
359	public function start_batch_process( $post_id = '' ) {
360
361	$default_page_builder = Cartflows_Helper::get_common_setting( 'default_page_builder' );
362
363	wcf()->logger->import_log( '(✓) BATCH Started!' );
364	wcf()->logger->import_log( '(✓) Step ID ' . $post_id );
365
366	// Add "elementor" in import [queue].
367	if ( 'beaver-builder' === $default_page_builder && self::$batch_instance_bb ) {
368
369	// Add to queue.
370	self::$batch_instance_bb->push_to_queue( $post_id );
371
372	// Dispatch Queue.
373	self::$batch_instance_bb->save()->dispatch();
374
375	wcf()->logger->import_log( '(✓) Dispatch "Beaver Builder" Request..' );
376
377	} elseif ( 'elementor' === $default_page_builder && self::$batch_instance_elementor ) {
378
379	// Add to queue.
380	self::$batch_instance_elementor->push_to_queue( $post_id );
381
382	// Dispatch Queue.
383	self::$batch_instance_elementor->save()->dispatch();
384
385	wcf()->logger->import_log( '(✓) Dispatch "Elementor" Request..' );
386	} elseif ( 'divi' === $default_page_builder && self::$batch_instance_divi ) {
387
388	// Add to queue.
389	self::$batch_instance_divi->push_to_queue( $post_id );
390
391	// Dispatch Queue.
392	self::$batch_instance_divi->save()->dispatch();
393
394	wcf()->logger->import_log( '(✓) Dispatch "Divi" Request..' );
395	} elseif ( 'gutenberg' === $default_page_builder && self::$batch_instance_gb ) {
396
397	// Add to queue.
398	self::$batch_instance_gb->push_to_queue( $post_id );
399
400	// Dispatch Queue.
401	self::$batch_instance_gb->save()->dispatch();
402
403	wcf()->logger->import_log( '(✓) Dispatch "Gutenberg" Request..' );
404	} else {
405	wcf()->logger->import_log( '(✕) Could not import image due to allow_url_fopen() is disabled!' );
406	}
407	}
408
409	/**
410	* Set Last Exported Checksum
411	*
412	* @param string $templates templates category to fetch.
413	* @since 1.6.15
414	* @return string Checksums Status.
415	*/
416	public function set_last_export_checksums( $templates = '' ) {
417
418	if ( ! empty( $this->last_export_checksums ) ) {
419	return $this->last_export_checksums;
420	}
421
422	$api_args = array(
423	'timeout' => 60, //phpcs:ignore WordPressVIPMinimum.Performance.RemoteRequestTimeout.timeout_timeout
424	);
425
426	wcf()->logger->sync_log( wcf()->get_site_url() . 'wp-json/cartflows-server/v1/get-last-export-checksums' );
427
428	$response = wp_remote_get( wcf()->get_site_url() . 'wp-json/cartflows-server/v1/get-last-export-checksums', $api_args );
429	if ( ! is_wp_error( $response ) \|\| wp_remote_retrieve_response_code( $response ) === 200 ) {
430	$result = json_decode( wp_remote_retrieve_body( $response ), true );
431
432	// Set last export checksums.
433	if ( ! empty( $result['last_export_checksums'] ) ) {
434	$suffix = 'store-checkout' === $templates ? 'store-checkout-' : '';
435	update_site_option( 'cartflows-' . $suffix . 'last-export-checksums-latest', $result['last_export_checksums'], 'no' );
436
437	$this->last_export_checksums = $result['last_export_checksums'];
438	}
439	}
440
441	return $this->last_export_checksums;
442	}
443
444	/**
445	* Get Last Exported Checksum Status
446	*
447	* @param string $templates templates category to fetch.
448	* @since 1.6.15
449	* @return string Checksums Status.
450	*/
451	public function get_last_export_checksums( $templates = '' ) {
452	$suffix = 'store-checkout' === $templates ? 'store-checkout-' : '';
453
454	$old_last_export_checksums = get_site_option( 'cartflows-' . $suffix . 'last-export-checksums', '' );
455
456	$new_last_export_checksums = $this->set_last_export_checksums( $templates );
457
458	$checksums_status = 'no';
459
460	if ( empty( $old_last_export_checksums ) ) {
461	$checksums_status = 'yes';
462	}
463
464	if ( $new_last_export_checksums != $old_last_export_checksums ) {
465	$checksums_status = 'yes';
466	}
467
468	return apply_filters( 'cartflows_checksums_status', $checksums_status );
469	}
470
471	/**
472	* Check Cron Status
473	*
474	* Gets the current cron status by performing a test spawn. Cached for one hour when all is well.
475	*
476	* @since 1.6.15
477	*
478	* @param bool $cache Whether to use the cached result from previous calls.
479	* @return true\|WP_Error Boolean true if the cron spawner is working as expected, or a WP_Error object if not.
480	*/
481	public function test_cron( $cache = true ) {
482	global $wp_version;
483
484	if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) {
485	return new WP_Error( 'wp_portfolio_cron_error', esc_html__( 'ERROR! Cron schedules are disabled by setting constant DISABLE_WP_CRON to true.<br/>To start the import process please enable the cron by setting the constant to false. E.g. define( \'DISABLE_WP_CRON\', false );', 'cartflows' ) );
486	}
487
488	if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
489	return new WP_Error( 'wp_portfolio_cron_error', esc_html__( 'ERROR! Cron schedules are disabled by setting constant ALTERNATE_WP_CRON to true.<br/>To start the import process please enable the cron by setting the constant to false. E.g. define( \'ALTERNATE_WP_CRON\', false );', 'cartflows' ) );
490	}
491
492	$cached_status = get_transient( 'cartflows-cron-test-ok' );
493
494	if ( $cache && $cached_status ) {
495	return true;
496	}
497
498	$sslverify = version_compare( $wp_version, 4.0, '<' );
499	$doing_wp_cron = sprintf( '%.22F', microtime( true ) );
500
501	$cron_request = apply_filters(
502	'cron_request',
503	array(
504	'url' => site_url( 'wp-cron.php?doing_wp_cron=' . $doing_wp_cron ),
505	'key' => $doing_wp_cron,
506	'args' => array(
507	'timeout' => 3,
508	'blocking' => true,
509	'sslverify' => apply_filters( 'https_local_ssl_verify', $sslverify ),
510	),
511	)
512	);
513
514	$cron_request['args']['blocking'] = true;
515
516	$result = wp_remote_post( $cron_request['url'], $cron_request['args'] );
517
518	if ( is_wp_error( $result ) ) {
519	return $result;
520	} elseif ( wp_remote_retrieve_response_code( $result ) >= 300 ) {
521	return new WP_Error(
522	'unexpected_http_response_code',
523	sprintf(
524	/* translators: 1: The HTTP response code. */
525	__( 'Unexpected HTTP response code: %s', 'cartflows' ),
526	intval( wp_remote_retrieve_response_code( $result ) )
527	)
528	);
529	} else {
530	set_transient( 'cartflows-cron-test-ok', 1, 3600 );
531	return true;
532	}
533	}
534
535	/**
536	* Get Blocks Total Requests
537	*
538	* @since 1.6.15
539	* @param string $page_builder_slug Page builder slug.
540	* @param string $templates templates category to fetch.
541	* @return integer
542	*/
543	public function get_total_requests( $page_builder_slug = '', $templates = '' ) {
544	$page_builder_slug = ( ! empty( $page_builder_slug ) ) ? $page_builder_slug : wcf()->get_site_slug();
545
546	update_site_option( 'cartflows-batch-status-string', 'Getting Total Blocks', 'no' );
547
548	$api_args = array(
549	'timeout' => 60, //phpcs:ignore WordPressVIPMinimum.Performance.RemoteRequestTimeout.timeout_timeout
550	);
551
552	$url = wcf()->get_site_url( $page_builder_slug ) . 'wp-json/cartflows-server/v1/get-total-flows/';
553	wcf()->logger->sync_log( $url );
554
555	$response = wp_remote_get( $url, $api_args );
556
557	/* Check one more time */
558	if ( is_wp_error( $response ) ) {
559	$response = wp_remote_get( $url, $api_args );
560	}
561
562	if ( ! is_wp_error( $response ) \|\| wp_remote_retrieve_response_code( $response ) === 200 ) {
563	$total_requests = json_decode( wp_remote_retrieve_body( $response ), true );
564
565	$suffix = 'store-checkout' === $templates ? 'store-checkout-' : '';
566
567	if ( isset( $total_requests['pages'] ) ) {
568	update_site_option( 'cartflows-batch-status-string', 'Updated requests ' . $total_requests['pages'], 'no' );
569
570	update_site_option( 'cartflows-' . $suffix . $page_builder_slug . '-requests', $total_requests['pages'], 'no' );
571
572	return $total_requests['pages'];
573	}
574	} else {
575
576	wcf()->logger->sync_log( 'Client\'s server is blocking requests. May be client\'s server firewall is blocking request. Make sure a firewall or any kind of secuirty pluging is blocking requests or not?' );
577
578	/* Fallback default data if client server is blocking requests */
579	$total_requests = array(
580	'no_of_items' => 15,
581	'pages' => 1,
582	'per_page' => 100,
583	);
584
585	update_site_option( 'cartflows-batch-status-string', 'Updated requests ' . $total_requests['pages'], 'no' );
586
587	update_site_option( 'cartflows-' . $page_builder_slug . '-requests', $total_requests['pages'], 'no' );
588
589	return $total_requests['pages'];
590	}
591	}
592
593	/**
594	* Process Batch
595	*
596	* @since 1.6.15
597	* @param string $templates templates category to fetch.
598	* @return mixed
599	*/
600	public function process_batch( $templates = '' ) {
601
602	if ( 'other' === wcf()->get_site_slug() ) {
603	if ( defined( 'WP_CLI' ) ) {
604	WP_CLI::error( 'Invalid page builder! Please select the page builder to start sync process.' );
605	} else {
606	return;
607	}
608	}
609
610	if ( 'no' === $this->get_last_export_checksums( $templates ) ) {
611	if ( defined( 'WP_CLI' ) ) {
612	WP_CLI::line( 'Library is up to date!' );
613	}
614	return;
615	}
616
617	$status = $this->test_cron();
618	if ( is_wp_error( $status ) ) {
619	if ( defined( 'WP_CLI' ) ) {
620	WP_CLI::line( 'Error! Batch Not Start due to disabled cron events!' );
621	}
622	update_site_option( 'cartflows-batch-status-string', 'Error! Batch Not Start due to disabled cron events!', 'no' );
623
624	if ( defined( 'WP_CLI' ) ) {
625	WP_CLI::line( 'Error! Batch Not Start due to disabled cron events!' );
626	} else {
627	// For non- WP CLI request return to prevent the request.
628	return;
629	}
630	}
631
632	// Get count.
633	$total_requests = $this->get_total_requests();
634	if ( $total_requests ) {
635	if ( defined( 'WP_CLI' ) ) {
636	WP_CLI::line( 'Total Requests ' . $total_requests );
637	}
638
639	for ( $page = 1; $page <= $total_requests; $page++ ) {
640
641	if ( defined( 'WP_CLI' ) ) {
642	WP_CLI::line( 'Added page ' . $page . ' in queue.' );
643	}
644
645	if ( defined( 'WP_CLI' ) ) {
646	Cartflows_Batch_Processing_Sync_Library::get_instance()->import_sites( $page, $templates );
647	} else {
648	self::$process_site_importer->push_to_queue(
649	array(
650	'page' => $page,
651	'template' => $templates,
652	'instance' => Cartflows_Batch_Processing_Sync_Library::get_instance(),
653	'method' => 'import_sites',
654	)
655	);
656	}
657	}
658	}
659
660	if ( defined( 'WP_CLI' ) ) {
661	WP_CLI::line( 'Sync Process Complete.' );
662	} else {
663	// Dispatch Queue.
664	self::$process_site_importer->save()->dispatch();
665	}
666	}
667
668	/**
669	* Enable the unfiltered upload of the elementor to upload the SVG files.
670	*
671	* @since 1.10.0
672	*/
673	public function enable_unfiltered_upload_elementor() {
674
675	add_filter( 'elementor/files/allow_unfiltered_upload', '__return_true' );
676	}
677
678	/**
679	* Set the flat for import process is in progress or not.
680	* This flag will be used to add a support of extra files for uploading to the website directory while importing the ready-made templates.
681	*
682	* @param bool $bool The default state is false.
683	* @return void
684	*/
685	public static function set_is_wcf_template_import( $bool = false ) {
686	if ( $bool ) {
687	set_transient( 'cartflows_is_wcf_template_import', $bool, HOUR_IN_SECONDS );
688	} else {
689	delete_transient( 'cartflows_is_wcf_template_import' ); // Delete the option if $bool is false.
690	}
691	}
692	}
693
694	/**
695	* Kicking this off by calling 'get_instance()' method
696	*/
697	CartFlows_Batch_Process::get_instance();
698
699	endif;
700