learnpress / inc / admin / class-lp-admin-ajax.php

class-lp-admin-ajax.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.0, at inc/admin/class-lp-admin-ajax.php

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1	<?php
2
3	/**
4	* Class LP_Admin_Ajax
5	*
6	* @author ThimPress
7	* @package LearnPress/Classes
8	* @version 3.0.0
9	*/
10
11	/**
12	* Prevent loading this file directly
13	*/
14
15	use LearnPress\Helpers\Template;
16
17	defined( 'ABSPATH' ) \|\| exit();
18
19	if ( ! class_exists( 'LP_Admin_Ajax' ) ) {
20
21	/**
22	* Class LP_Admin_Ajax
23	*/
24	class LP_Admin_Ajax {
25	public function __construct() {
26	}
27
28	/**
29	* Add action ajax
30	*/
31	public static function init() {
32	if ( ! is_user_logged_in() ) {
33	return;
34	}
35
36	$ajax_events = array(
37	'create_page' => false, // Use create new page on Settings
38	//'load_chart' => false,
39	'search_course_category' => false,
40	//'custom_stats' => false,
41	'get_page_permalink' => false,
42	);
43
44	foreach ( $ajax_events as $ajax_event => $nopriv ) {
45	add_action( 'wp_ajax_learnpress_' . $ajax_event, array( __CLASS__, $ajax_event ) );
46
47	// enable for non-logged in users
48	if ( $nopriv ) {
49	add_action( 'wp_ajax_nopriv_learnpress_' . $ajax_event, array( __CLASS__, $ajax_event ) );
50	}
51	}
52
53	do_action( 'learn-press/ajax/admin-load', __CLASS__ );
54
55	$ajax_events = array(
56	'search_items' => 'modal_search_items',
57	'update-payment-order',
58	// Update ordering of payments when user changing.
59	'update-payment-status',
60	// Enable type payment
61
62	// admin editor
63	'admin_course_editor',
64	'admin_quiz_editor',
65	'admin_question_editor',
66	'duplicator',
67	// Duplicate course, lesson, quiz, question.
68	'modal_search_items',
69	// Used to search courses on LP Order
70	//'modal_search_users',
71	// Used to search users on LP Order
72	'add_items_to_order',
73	// Used to add courses on LP Order
74	'remove_items_from_order',
75	// Used to remove items from LP Order
76	'update_email_status',
77	// Use for enable email on LP Settings
78	'search-authors',
79	// Used to search username on input some page (list courses, lp orders, quizzes, questions... on the Backend
80	//'skip-notice-install',
81	);
82
83	foreach ( $ajax_events as $action => $callback ) {
84	if ( is_numeric( $action ) ) {
85	$action = $callback;
86	}
87
88	$actions = LP_Request::parse_action( $action );
89	$method = $actions['action'];
90
91	if ( ! is_callable( $callback ) ) {
92	$method = preg_replace( '/-/', '_', $method );
93	$callback = array( __CLASS__, $method );
94	}
95
96	LP_Request::register_ajax( $action, $callback );
97	}
98	}
99
100	/**
101	* Search user on some pages on the Backend
102	*/
103	public static function search_authors() {
104	$args = array(
105	'orderby' => 'name',
106	'order' => 'ASC',
107	'search' => sprintf( '%s', esc_attr( LP_Request::get_string( 'term' ) ) ),
108	'search_columns' => array( 'user_login', 'user_email' ),
109	);
110	$q = new WP_User_Query( $args );
111	$users = array();
112
113	$results = $q->get_results();
114
115	if ( $results ) {
116	foreach ( $results as $result ) {
117	$users[] = array(
118	'id' => $result->ID,
119	'text' => learn_press_get_profile_display_name( $result->ID ),
120	);
121	}
122	}
123	echo json_encode(
124	array(
125	'results' => $users,
126	)
127	);
128	die();
129	}
130
131	/**
132	* Handle ajax admin course editor.
133	*
134	* @since 3.0.0
135	*/
136	public static function admin_course_editor() {
137	$editor = LP_Admin_Editor::get_editor_course();
138	self::admin_editor( $editor );
139	}
140
141	/**
142	* Handle ajax admin question editor.
143	*
144	* @since 3.0.0
145	*/
146	public static function admin_question_editor() {
147	$editor = LP_Admin_Editor::get_editor_question();
148	self::admin_editor( $editor );
149	}
150
151	/**
152	* Handle ajax admin quiz editor.
153	*
154	* @since 3.0.0
155	*/
156	public static function admin_quiz_editor() {
157	$editor = LP_Admin_Editor::get_editor_quiz();
158	self::admin_editor( $editor );
159	}
160
161	/**
162	* @param LP_Admin_Editor $editor
163	*
164	* @since 3.0.2
165	*/
166	public static function admin_editor( &$editor ) {
167	$result = $editor->dispatch();
168
169	if ( is_wp_error( $result ) ) {
170	learn_press_send_json_error( $result->get_error_message() );
171	} elseif ( ! $result ) {
172	learn_press_send_json_error();
173	}
174
175	learn_press_send_json_success( $result );
176	}
177
178	/**
179	* Duplicate course, lesson, quiz, question.
180	*
181	* @since 3.0.0
182	*
183	* @note tungnx checked has use
184	*/
185	public static function duplicator() {
186	$nonce = LP_Request::get_param( 'nonce' );
187	if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
188	learn_press_send_json_error( __( 'Nonce is invalid!', 'learnpress' ) );
189	}
190
191	$post_id = intval( $_GET['id'] ?? 0 );
192	$post_type = learn_press_get_post_type( $post_id );
193
194	if ( ! $post_id ) {
195	learn_press_send_json_error( __( 'Oops! ID not found', 'learnpress' ) );
196	} else {
197	$can_duplicate = apply_filters( 'learn-press/can-duplicate-course', true, $post_id, $post_type );
198	if ( ! current_user_can( ADMIN_ROLE ) ) {
199	$post_author = get_post_field( 'post_author', $post_id );
200	if ( get_current_user_id() != $post_author ) {
201	$can_duplicate = false;
202	}
203	}
204
205	if ( ! $can_duplicate ) {
206	learn_press_send_json_error( __( 'You cannot duplicate this item.', 'learnpress' ) );
207	}
208
209	$new_item_id = '';
210	$duplicate_args = apply_filters( 'learn-press/duplicate-post-args', array( 'post_status' => 'publish' ) );
211
212	switch ( $post_type ) {
213	case LP_COURSE_CPT:
214	$curd = new LP_Course_CURD();
215	$new_item_id = $curd->duplicate(
216	$post_id,
217	array(
218	'exclude_meta' => array(
219	'order-pending',
220	'order-processing',
221	'order-completed',
222	'order-cancelled',
223	'order-failed',
224	'count_enrolled_users',
225	'_lp_sample_data',
226	'_lp_retake_count',
227	),
228	)
229	);
230	break;
231	case LP_LESSON_CPT:
232	$curd = new LP_Lesson_CURD();
233	$new_item_id = $curd->duplicate( $post_id, $duplicate_args );
234	break;
235	case LP_QUIZ_CPT:
236	$curd = new LP_Quiz_CURD();
237	$new_item_id = $curd->duplicate( $post_id, $duplicate_args );
238	break;
239	case LP_QUESTION_CPT:
240	$curd = new LP_Question_CURD();
241	$new_item_id = $curd->duplicate( $post_id, $duplicate_args );
242	break;
243	default:
244	break;
245	}
246
247	if ( is_wp_error( $new_item_id ) ) {
248	learn_press_send_json_error( __( 'Duplicate post failed. Please try again', 'learnpress' ) );
249	} else {
250	learn_press_send_json_success( admin_url( 'post.php?post=' . $new_item_id . '&action=edit' ) );
251	}
252	}
253	}
254
255	/**
256	* Update ordering of payments when user changing.
257	*
258	* @since 3.0.0
259	* @version 1.0.1
260	* @note tungnx checked has use
261	*/
262	public static function update_payment_order() {
263	if ( ! current_user_can( ADMIN_ROLE ) ) { // Fix security.
264	return;
265	}
266
267	$nonce = LP_Request::get_param( 'nonce' );
268	if ( ! wp_verify_nonce( $nonce, 'lp-settings' ) ) {
269	die( 'Nonce is invalid!' );
270	}
271
272	$payment_order = learn_press_get_request( 'order' );
273	update_option( 'learn_press_payment_order', $payment_order );
274
275	die( 'Order of Payment Gateway is updated success' );
276	}
277
278	/**
279	* Enable type payment
280	*
281	* @since 3.0.0
282	* @version 1.0.1
283	* @note tungnx checked has use
284	*/
285	public static function update_payment_status() {
286	$payment_id = LP_Request::get_param( 'id' );
287	$status = LP_Request::get_param( 'status' );
288	$payment = LP_Gateways::instance()->get_gateway( $payment_id );
289
290	if ( ! $payment ) {
291	return;
292	}
293
294	if ( ! current_user_can( ADMIN_ROLE ) ) { // Fix security.
295	return;
296	}
297
298	$nonce = LP_Request::get_param( 'nonce' );
299	if ( ! wp_verify_nonce( $nonce, 'lp-settings' ) ) {
300	die( 'Nonce is invalid!' );
301	}
302
303	$response[ $payment->id ] = $payment->enable( $status == 'yes' );
304
305	$lp_settings_cache = new LP_Settings_Cache( true );
306	$lp_settings_cache->clean_lp_settings();
307
308	learn_press_send_json( $response );
309	}
310
311	/**
312	* nable email on LP Settings
313	*
314	* @since 3.0.0
315	* @note tungnnx checked has use
316	*/
317	public static function update_email_status() {
318	$email_id = LP_Request::get_string( 'id' );
319	$status = LP_Request::get_string( 'status' );
320	$response = array();
321
322	if ( ! current_user_can( ADMIN_ROLE ) ) { // Fix security.
323	return;
324	}
325
326	$nonce = LP_Request::get_param( 'nonce' );
327	if ( ! wp_verify_nonce( $nonce, 'lp-settings' ) ) {
328	die( 'Nonce is invalid!' );
329	}
330
331	if ( $email_id ) {
332
333	$email = LP_Emails::get_email( $email_id );
334	if ( ! $email ) {
335	return;
336	}
337
338	$response[ $email->id ] = $email->enable( $status == 'yes' );
339	} else {
340	$emails = LP_Emails::instance()->emails;
341	foreach ( $emails as $email ) {
342	$response[ $email->id ] = $email->enable( $status == 'yes' );
343	}
344	}
345
346	$lp_settings_cache = new LP_Settings_Cache( true );
347	$lp_settings_cache->clean_lp_settings();
348
349	learn_press_send_json( $response );
350	}
351
352	/**
353	* Search items by requesting params.
354	*/
355	public static function modal_search_items() {
356	$term = LP_Request::get_param( 'term' );
357	$type = LP_Request::get_param( 'type' );
358	$context = LP_Request::get_param( 'context' );
359	$context_id = LP_Request::get_param( 'context_id' );
360	$paged = LP_Request::get_param( 'paged' );
361	$exclude = LP_Request::get_param( 'exclude' );
362
363	if ( ! current_user_can( ADMIN_ROLE ) ) { // Fix security
364	$roles_accept = apply_filters( 'lp/backend/roles/can-search-items', [ ADMIN_ROLE ] );
365
366	$flag = false;
367	foreach ( $roles_accept as $role ) {
368	if ( current_user_can( $role ) ) {
369	$flag = true;
370	}
371	}
372
373	if ( ! $flag ) {
374	return;
375	}
376	}
377
378	$nonce = LP_Request::get_param( 'nonce' );
379	if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
380	die( 'Nonce is invalid!' );
381	}
382
383	$search = new LP_Modal_Search_Items( compact( 'term', 'type', 'context', 'context_id', 'paged', 'exclude' ) );
384
385	learn_press_send_json(
386	array(
387	'html' => $search->get_html_items(),
388	'nav' => $search->get_pagination(),
389	'items' => $search->get_items(),
390	)
391	);
392	}
393
394	/**
395	* Search items by requesting params.
396	*
397	* @note tungnx checked has use
398	* @deprecated 4.2.6.9.3
399	*/
400	/*public static function modal_search_users() {
401	$term = LP_Request::get_param( 'term' );
402	$type = LP_Request::get_param( 'type' );
403	$context = LP_Request::get_param( 'context' );
404	$context_id = LP_Request::get_param( 'context_id' );
405	$paged = LP_Request::get_param( 'paged' );
406	$multiple = LP_Request::get_param( 'multiple' ) == 'yes';
407	$text_format = LP_Request::get_param( 'text_format' );
408	$exclude = LP_Request::get_param( 'exclude' );
409	$roles_accept = apply_filters(
410	'lp/backend/roles/can-search-users',
411	[ ADMIN_ROLE ]
412	);
413
414	$flag = false;
415	foreach ( $roles_accept as $role ) {
416	if ( current_user_can( $role ) ) {
417	$flag = true;
418	}
419	}
420
421	if ( ! $flag ) {
422	return;
423	}
424
425	$nonce = LP_Request::get_param( 'nonce' );
426	if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
427	die( 'Nonce is invalid!' );
428	}
429
430	$search = new LP_Modal_Search_Users( compact( 'term', 'type', 'context', 'context_id', 'paged', 'multiple', 'text_format', 'exclude' ) );
431
432	learn_press_send_json(
433	array(
434	'html' => $search->get_html_items(),
435	'nav' => $search->get_pagination(),
436	'users' => $search->get_items(),
437	)
438	);
439	}*/
440
441	/**
442	* Search course category.
443	*/
444	public static function search_course_category() {
445	global $wpdb;
446	$sql = 'SELECT `t`.`term_id` as `id`, '
447	. ' `t`.`name` `text` '
448	. " FROM {$wpdb->terms} t "
449	. " INNER JOIN {$wpdb->term_taxonomy} tt ON t.term_id = tt.term_id AND taxonomy='course_category' "
450	. ' WHERE `t`.`name` LIKE %s';
451	$s = '%' . filter_input( INPUT_GET, 'q' ) . '%';
452	$query = $wpdb->prepare( $sql, $s );
453	$items = $wpdb->get_results( $query );
454	$data = array( 'items' => $items );
455	echo json_encode( $data );
456	exit();
457	}
458
459	/**
460	* Remove an item from lp order
461	*
462	* @note tungnx checked has use
463	*/
464	public static function remove_items_from_order() {
465	$response = new LP_REST_Response();
466
467	// ensure that user has permission
468	if ( ! current_user_can( 'edit_lp_orders' ) ) {
469	die( __( 'Access denied', 'learnpress' ) );
470	}
471
472	// verify nonce
473	$nonce = LP_Request::get_param( 'nonce' );
474	if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
475	die( __( 'Nonce check failed', 'learnpress' ) );
476	}
477
478	// validate order
479	$order_id = LP_Request::get_param( 'order_id', 0, 'int' );
480	if ( learn_press_get_post_type( $order_id ) != 'lp_order' ) {
481	die( __( 'Invalid order', 'learnpress' ) );
482	}
483
484	// validate item
485	$item_ids_str = LP_Request::get_param( 'items', '' );
486	if ( empty( $item_ids_str ) ) {
487	die( __( 'Invalid item', 'learnpress' ) );
488	}
489
490	$item_ids = array_map( 'absint', explode( ',', $item_ids_str ) );
491	$order = learn_press_get_order( $order_id );
492
493	foreach ( $item_ids as $item_id ) {
494	$order->remove_item( $item_id );
495	}
496
497	$order_data = learn_press_update_order_items( $order_id );
498	$currency_symbol = learn_press_get_currency_symbol( $order_data['currency'] );
499	$order_data['subtotal_html'] = learn_press_format_price( $order_data['subtotal'], $currency_symbol );
500	$order_data['total_html'] = learn_press_format_price( $order_data['total'], $currency_symbol );
501	$order_items = $order->get_items();
502	$html = '';
503	if ( $order_items ) {
504	foreach ( $order_items as $item ) {
505	ob_start();
506	include learn_press_get_admin_view( 'meta-boxes/order/order-item.php' );
507	$html .= ob_get_clean();
508	}
509	}
510
511	$response->status = 'success';
512	$response->data->item_html = $html;
513	$response->data->order_data = $order_data;
514
515	wp_send_json( $response );
516	}
517
518	/**
519	* Add courses to order
520	*
521	* @note tungnx checked has use
522	*/
523	public static function add_items_to_order() {
524	$response = new LP_REST_Response();
525
526	$roles_accept = apply_filters( 'lp/backend/roles/can-add-items', [ ADMIN_ROLE ] );
527
528	$flag = false;
529	foreach ( $roles_accept as $role ) {
530	if ( current_user_can( $role ) ) {
531	$flag = true;
532	}
533	}
534
535	if ( ! $flag ) {
536	return;
537	}
538
539	$nonce = LP_Request::get_param( 'nonce' );
540	if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
541	die( 'Nonce is invalid!' );
542	}
543
544	// ensure that user has permission
545	if ( ! current_user_can( 'edit_lp_orders' ) ) {
546	die( __( 'Permission denied', 'learnpress' ) );
547	}
548
549	// validate order
550	$order_id = LP_Request::get_param( 'order_id', 0 );
551	if ( ! is_numeric( $order_id ) \|\| learn_press_get_post_type( $order_id ) != 'lp_order' ) {
552	die( __( 'Invalid order', 'learnpress' ) );
553	}
554
555	// validate item
556	$item_ids_str = LP_Request::get_param( 'items', '' );
557	if ( empty( $item_ids_str ) ) {
558	die( __( 'Invalid item', 'learnpress' ) );
559	}
560
561	$item_ids = array_map( 'absint', explode( ',', $item_ids_str ) );
562	$order = learn_press_get_order( $order_id );
563	$order_item = $order->add_items( $item_ids );
564	if ( $order_item ) {
565	$html = '';
566	$order_items = $order->get_items();
567	$order_data = learn_press_update_order_items( $order_id );
568	$currency_symbol = learn_press_get_currency_symbol( $order_data['currency'] );
569	$order_data['subtotal_html'] = learn_press_format_price( $order_data['subtotal'], $currency_symbol );
570	$order_data['total_html'] = learn_press_format_price( $order_data['total'], $currency_symbol );
571
572	if ( $order_items ) {
573	foreach ( $order_items as $item ) {
574	if ( ! in_array( $item['id'], $order_item ) ) {
575	continue;
576	}
577
578	ob_start();
579	Template::instance()->get_admin_template( 'meta-boxes/order/order-item.php', compact( 'item', 'order' ) );
580	$html .= ob_get_clean();
581	}
582	}
583
584	$response->status = 'success';
585	$response->data->item_html = $html;
586	$response->data->order_data = $order_data;
587	}
588
589	wp_send_json( $response );
590	}
591
592	/*public static function load_chart() {
593	if ( ! class_exists( 'LP_Submenu_Statistics' ) ) {
594	$statistic = include_once LP_PLUGIN_PATH . '/inc/admin/sub-menus/class-lp-submenu-statistics.php';
595	} else {
596	$statistic = new LP_Submenu_Statistics();
597	}
598	$statistic->load_chart();
599	}*/
600
601	public static function json_search_customer_name( $query ) {
602	global $wpdb;
603
604	$term = LP_Helper::sanitize_params_submitted( $_REQUEST['term'] );
605	if ( method_exists( $wpdb, 'esc_like' ) ) {
606	$term = $wpdb->esc_like( $term );
607	} else {
608	$term = $wpdb->esc_like( $term );
609	}
610
611	$query->query_from .= " INNER JOIN {$wpdb->usermeta} AS user_name ON {$wpdb->users}.ID = user_name.user_id AND ( user_name.meta_key = 'first_name' OR user_name.meta_key = 'last_name' ) ";
612	$query->query_where .= $wpdb->prepare( ' OR user_name.meta_value LIKE %s ', '%' . $term . '%' );
613	}
614
615	/**
616	* create new page on LP Settings
617	*
618	* @note tungnnx checked use
619	*/
620	public static function create_page() {
621	$response = array(
622	'code' => 0,
623	'message' => '',
624	);
625
626	/**
627	* Check valid
628	*
629	* 1. Capability - user can edit pages (add\edit\delete)
630	* 2. Check nonce return true
631	* 3. param post page_name not empty
632	*
633	* @since 3.2.6.8
634	* @author tungnx
635	*/
636	if ( ! current_user_can( 'edit_pages' ) \|\| empty( $_POST['page_name'] ) ) {
637	$response['message'] = 'Request invalid';
638	learn_press_send_json( $response );
639	}
640
641	// Check nonce
642	$nonce = LP_Request::get_param( 'nonce' );
643	if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
644	$response['message'] = 'Request invalid';
645	learn_press_send_json( $response );
646	}
647
648	$page_name = LP_Helper::sanitize_params_submitted( $_POST['page_name'] );
649	$field_name = LP_Request::get_param( 'field_name' );
650
651	if ( $page_name ) {
652	$data_create_page = array(
653	'post_title' => $page_name,
654	);
655
656	$page_id = LP_Helper::create_page( $data_create_page, $field_name );
657
658	if ( $page_id ) {
659	$response['code'] = 1;
660	$response['message'] = 'create page success';
661	$response['page'] = get_post( $page_id );
662	$html = learn_press_pages_dropdown( '', '', array( 'echo' => false ) );
663	preg_match_all( '!value=\"([0-9]+)\"!', $html, $matches );
664	$response['positions'] = $matches[1];
665	$response['html'] = '<a href="' . get_edit_post_link( $page_id ) . '" target="_blank">' . __( 'Edit Page', 'learnpress' ) . '</a> ';
666	$response['html'] .= '<a href="' . get_permalink( $page_id ) . '" target="_blank">' . __( 'View Page', 'learnpress' ) . '</a>';
667	} else {
668	$response['error'] = __( 'Error! Page creation failed. Please try again.', 'learnpress' );
669	}
670	} else {
671	$response['error'] = __( 'Empty page name!', 'learnpress' );
672	}
673	learn_press_send_json( $response );
674	}
675
676	/**
677	* Get edit\|view link of a page
678	*/
679	public static function get_page_permalink() {
680	$page_id = (int) $_REQUEST['page_id'] ?? 0;
681	?>
682
683	<a href="<?php echo get_edit_post_link( $page_id ); ?>"
684	target="_blank"><?php _e( 'Edit Page', 'learnpress' ); ?></a>
685	<a href="<?php echo get_permalink( $page_id ); ?>"
686	target="_blank"><?php _e( 'View Page', 'learnpress' ); ?></a>
687
688	<?php
689	die();
690	}
691
692	/**
693	* Get date from, to for static chart
694	*
695	* @deprecated 4.2.6.9.3
696	*/
697	/*public static function custom_stats() {
698	$from = LP_Helper::sanitize_params_submitted( $_REQUEST['from'] ?? 0 );
699	$to = LP_Helper::sanitize_params_submitted( $_REQUEST['to'] ?? 0 );
700	$date_diff = strtotime( $to ) - strtotime( $from );
701	if ( $date_diff <= 0 \|\| $from == 0 \|\| $to == 0 ) {
702	die();
703	}
704	learn_press_process_chart( learn_press_get_chart_students( $to, 'days', floor( $date_diff / ( 60 * 60 * 24 ) ) + 1 ) );
705	die();
706	}*/
707	}
708
709	add_action( 'init', array( 'LP_Admin_Ajax', 'init' ) );
710	}
711
712	new LP_Admin_Ajax();
713