Tutor.php — Tutor LMS – eLearning and online course solution 3.9.11

tutor / classes / Tutor.php

tutor / classes Last commit date

Addons.php 11 months ago Admin.php 2 months ago Ajax.php 9 months ago Announcements.php 1 year ago Assets.php 2 months ago Backend_Page_Trait.php 1 year ago BaseController.php 1 year ago Config.php 11 months ago Container.php 11 months ago Course.php 2 months ago Course_Embed.php 3 years ago Course_Filter.php 1 year ago Course_List.php 5 months ago Course_Settings_Tabs.php 1 year ago Course_Widget.php 1 year ago Custom_Validation.php 3 years ago Dashboard.php 1 year ago Earnings.php 9 months ago FormHandler.php 2 years ago Frontend.php 1 year ago Gutenberg.php 1 year ago Icon.php 8 months ago Input.php 1 year ago Instructor.php 2 months ago Instructors_List.php 2 months ago Lesson.php 8 months ago Options_V2.php 7 months ago Permalink.php 2 years ago Post_types.php 1 year ago Private_Course_Access.php 1 year ago Q_And_A.php 10 months ago Question_Answers_List.php 11 months ago Quiz.php 5 months ago QuizBuilder.php 3 months ago Quiz_Attempts_List.php 9 months ago RestAPI.php 2 years ago Reviews.php 9 months ago Rewrite_Rules.php 2 years ago Shortcode.php 9 months ago Singleton.php 1 year ago Student.php 2 months ago Students_List.php 1 year ago Taxonomies.php 1 year ago Template.php 9 months ago Theme_Compatibility.php 3 years ago Tools.php 1 year ago Tools_V2.php 1 year ago Tutor.php 2 months ago TutorEDD.php 1 year ago Tutor_Base.php 2 years ago Tutor_Setup.php 8 months ago Upgrader.php 9 months ago User.php 4 months ago Utils.php 2 months ago Video_Stream.php 3 years ago WhatsNew.php 9 months ago Withdraw.php 1 year ago Withdraw_Requests_List.php 11 months ago WooCommerce.php 7 months ago

Tutor.php

1422 lines

1	<?php
2	/**
3	* Initialize all the dependency classes
4	*
5	* @package Tutor
6	* @author Themeum <support@themeum.com>
7	* @link https://themeum.com
8	* @since 1.0.0
9	*/
10
11	namespace TUTOR;
12
13	use Tutor\Models\CourseModel;
14	use Tutor\Ecommerce\Ecommerce;
15	use Tutor\Helpers\QueryHelper;
16	use Tutor\Migrations\Migration;
17
18	if ( ! defined( 'ABSPATH' ) ) {
19	exit;
20	}
21
22	/**
23	* Tutor final class
24	*
25	* @since 1.0.0
26	*/
27	final class Tutor extends Singleton {
28	/**
29	* Tutor version
30	*
31	* @since 1.0.0
32	*
33	* @var string
34	*/
35	public $version = TUTOR_VERSION;
36
37	/**
38	* Plugin dir path
39	*
40	* @since 1.0.0
41	*
42	* @var string
43	*/
44	public $path;
45
46	/**
47	* Plugin dir path
48	*
49	* @since 1.0.0
50	*
51	* @var string
52	*/
53	public $url;
54
55	/**
56	* Plugin dir name
57	*
58	* @since 1.0.0
59	*
60	* @var string
61	*/
62	public $basename;
63
64	/**
65	* Utils class object
66	*
67	* @since 1.1.0
68	*
69	* @var object
70	*/
71	public $utils;
72
73	/**
74	* Admin class object
75	*
76	* @since 1.1.0
77	*
78	* @var object
79	*/
80	public $admin;
81
82	/**
83	* Ajax class object
84	*
85	* @since 1.1.0
86	*
87	* @var object
88	*/
89	public $ajax;
90
91	/**
92	* Options class object
93	*
94	* @since 1.1.0
95	*
96	* @var object
97	*/
98	public $options;
99
100	/**
101	* Short code class object
102	*
103	* @since 1.1.0
104	*
105	* @var object
106	*/
107	public $shortcode;
108
109	/**
110	* Addons class object
111	*
112	* @since 1.1.0
113	*
114	* @var object
115	*/
116	private $addons;
117
118	/**
119	* PostType class object
120	*
121	* @since 1.1.0
122	*
123	* @var object
124	*/
125	private $post_types;
126
127	/**
128	* Taxonomies class object
129	*
130	* @since 1.1.0
131	*
132	* @var object
133	*/
134	private $taxonomies;
135
136	/**
137	* Assets class object
138	*
139	* @since 1.1.0
140	*
141	* @var object
142	*/
143	private $assets;
144
145	/**
146	* Course class object
147	*
148	* @since 1.1.0
149	*
150	* @var object
151	*/
152	private $course;
153
154	/**
155	* Lesson class object
156	*
157	* @since 1.1.0
158	*
159	* @var object
160	*/
161	public $lesson;
162
163	/**
164	* Rewrite_Rules class object
165	*
166	* @since 1.1.0
167	*
168	* @var object
169	*/
170	private $rewrite_rules;
171
172	/**
173	* Template class object
174	*
175	* @since 1.1.0
176	*
177	* @var object
178	*/
179	private $template;
180
181	/**
182	* Instructor class object
183	*
184	* @since 1.1.0
185	*
186	* @var object
187	*/
188	private $instructor;
189
190	/**
191	* Student class object
192	*
193	* @since 1.1.0
194	*
195	* @var object
196	*/
197	private $student;
198
199	/**
200	* Q_And_A class object
201	*
202	* @since 1.1.0
203	*
204	* @var object
205	*/
206	private $q_and_a;
207
208	/**
209	* Quiz class object
210	*
211	* @since 1.1.0
212	*
213	* @var object
214	*/
215	private $quiz;
216
217	/**
218	* Tools class object
219	*
220	* @since 1.1.0
221	*
222	* @var object
223	*/
224	private $tools;
225
226	/**
227	* User class object
228	*
229	* @since 1.1.0
230	*
231	* @var object
232	*/
233	private $user;
234
235	/**
236	* Theme_Compatibility class object
237	*
238	* @since 1.1.0
239	*
240	* @var object
241	*/
242	private $theme_compatibility;
243
244	/**
245	* Gutenberg class object
246	*
247	* @since 1.1.0
248	*
249	* @var object
250	*/
251	private $gutenberg;
252
253	/**
254	* Course_Settings_Tabs class object
255	*
256	* @since 1.1.0
257	*
258	* @var object
259	*/
260	private $course_settings_tabs;
261
262	/**
263	* Withdraw class object
264	*
265	* @since 1.1.0
266	*
267	* @var object
268	*/
269	private $withdraw;
270
271	/**
272	* Course_Widget class object
273	*
274	* @since 1.1.0
275	*
276	* @var object
277	*/
278	private $course_widget;
279
280	/**
281	* Upgrader class object
282	*
283	* @since 1.1.0
284	*
285	* @var object
286	*/
287	private $upgrader;
288
289	/**
290	* Dashboard class object
291	*
292	* @since 1.1.0
293	*
294	* @var object
295	*/
296	private $dashboard;
297
298	/**
299	* FormHandler class object
300	*
301	* @since 1.1.0
302	*
303	* @var object
304	*/
305	private $form_handler;
306
307	/**
308	* Frontend class object
309	*
310	* @since 1.1.0
311	*
312	* @var object
313	*/
314	private $frontend;
315
316	/**
317	* Email property
318	*
319	* @since 1.1.0
320	*
321	* @var object
322	*/
323	private $email;
324
325	/**
326	* WooCommerce integration class object
327	*
328	* @since 1.1.0
329	*
330	* @var object
331	*/
332	private $woocommerce;
333
334	/**
335	* Tutor_EDD class object
336	*
337	* @since 1.1.0
338	*
339	* @var object
340	*/
341	private $edd;
342
343	/**
344	* Announcement
345	*
346	* @since 2.0.0
347	*
348	* @var object
349	*/
350	public $announcements;
351
352	/**
353	* Reviews class object
354	*
355	* @since 1.1.0
356	*
357	* @var object
358	*/
359	private $reviews;
360
361	/**
362	* Withdraw_List class object
363	*
364	* @since 1.1.0
365	*
366	* @var object
367	*/
368	public $withdraw_list;
369
370	/**
371	* Student_List class object
372	*
373	* @since 1.1.0
374	*
375	* @var object
376	*/
377	public $student_list;
378
379	/**
380	* Instructor_List class object
381	*
382	* @since 1.1.0
383	*
384	* @var object
385	*/
386	public $instructor_list;
387
388	/**
389	* Course List
390	*
391	* @var Course_List
392	*
393	* @since 2.0.0
394	*/
395	public $course_list;
396
397	//phpcs:disable
398	public $q_and_a_list;
399	public $q_attempt;
400	public $rest_api;
401	public $setup;
402	public $private_course_access;
403	public $course_filter;
404	//phpcs:enable
405
406	/**
407	* Course Embed
408	*
409	* @var $course_embed
410	*
411	* @since 2.1.0
412	*/
413	private $course_embed;
414
415	/**
416	* Rest Authentication
417	*
418	* @var $rest_auth
419	*
420	* @since 2.1.0
421	*/
422	private $rest_auth;
423
424	/**
425	* Permalink
426	*
427	* @var Permalink
428	*/
429	private $permalink;
430
431	/**
432	* Initialize props & other dependencies
433	*
434	* @since 1.0.0
435	*/
436	public function __construct() {
437
438	$this->path = plugin_dir_path( TUTOR_FILE );
439	$this->url = plugin_dir_url( TUTOR_FILE );
440	$this->basename = plugin_basename( TUTOR_FILE );
441
442	/**
443	* Adding Tutor Database table to $wpdb;
444	*
445	* @since 1.4.2
446	*/
447	global $wpdb;
448	$wpdb->tutor_earnings = $wpdb->prefix . 'tutor_earnings';
449	$wpdb->tutor_gradebooks = $wpdb->prefix . 'tutor_gradebooks';
450	$wpdb->tutor_gradebooks_results = $wpdb->prefix . 'tutor_gradebooks_results';
451	$wpdb->tutor_quiz_attempts = $wpdb->prefix . 'tutor_quiz_attempts';
452	$wpdb->tutor_quiz_attempt_answers = $wpdb->prefix . 'tutor_quiz_attempt_answers';
453	$wpdb->tutor_quiz_questions = $wpdb->prefix . 'tutor_quiz_questions';
454	$wpdb->tutor_quiz_question_answers = $wpdb->prefix . 'tutor_quiz_question_answers';
455	$wpdb->tutor_withdraws = $wpdb->prefix . 'tutor_withdraws';
456	$wpdb->tutor_email_queue = $wpdb->prefix . 'tutor_email_queue';
457	$wpdb->tutor_order_items = $wpdb->prefix . 'tutor_order_items';
458	$wpdb->tutor_orders = $wpdb->prefix . 'tutor_orders';
459	$wpdb->tutor_ordermeta = $wpdb->prefix . 'tutor_ordermeta';
460	$wpdb->tutor_subscription_plan_items = $wpdb->prefix . 'tutor_subscription_plan_items';
461	$wpdb->tutor_subscription_plans = $wpdb->prefix . 'tutor_subscription_plans';
462	$wpdb->tutor_subscriptions = $wpdb->prefix . 'tutor_subscriptions';
463	$wpdb->tutor_subscriptionmeta = $wpdb->prefix . 'tutor_subscriptionmeta';
464	$wpdb->tutor_order_itemmeta = $wpdb->prefix . 'tutor_order_itemmeta';
465
466	/**
467	* Changing default wp doing ajax return based on tutor ajax action
468	*/
469	add_filter( 'wp_doing_ajax', array( $this, 'wp_doing_ajax' ) );
470
471	/**
472	* Include Files
473	*/
474	$this->includes();
475
476	do_action( 'tutor_before_load' );
477
478	$this->addons = new Addons();
479	$this->post_types = new Post_types();
480	$this->taxonomies = new Taxonomies();
481	$this->assets = new Assets();
482	$this->admin = new Admin();
483	$this->ajax = new Ajax();
484	$this->options = new Options_V2();
485	$this->shortcode = new Shortcode();
486	$this->course = new Course();
487	$this->lesson = new Lesson();
488	$this->rewrite_rules = new Rewrite_Rules();
489	$this->template = new Template();
490	$this->instructor = new Instructor();
491	$this->student = new Student();
492	$this->q_and_a = new Q_And_A();
493	$this->q_and_a_list = new Question_Answers_List();
494	$this->q_attempt = new Quiz_Attempts_List();
495	$this->quiz = new Quiz();
496	$this->tools = new Tools();
497	$this->user = new User();
498	$this->theme_compatibility = new Theme_Compatibility();
499	$this->gutenberg = new Gutenberg();
500	$this->course_settings_tabs = new Course_Settings_Tabs();
501	$this->withdraw = new Withdraw();
502	$this->upgrader = new Upgrader();
503	$this->dashboard = new Dashboard();
504	$this->form_handler = new FormHandler();
505	$this->frontend = new Frontend();
506	$this->rest_api = new RestAPI();
507	$this->setup = new Tutor_Setup();
508	$this->private_course_access = new Private_Course_Access();
509	$this->course_filter = new Course_Filter();
510	$this->permalink = new Permalink();
511
512	// Integrations.
513	$this->woocommerce = new WooCommerce();
514	$this->edd = new TutorEDD();
515
516	/**
517	* Init obj
518	*
519	* @since 2.0.0
520	*/
521	$this->announcements = new Announcements();
522	$this->course_list = new Course_List();
523	$this->reviews = new Reviews();
524	$this->withdraw_list = new Withdraw_Requests_List();
525	$this->student_list = new Students_List();
526	$this->instructor_list = new Instructors_List();
527	$this->course_embed = new Course_Embed();
528	$this->rest_auth = new RestAuth();
529
530	/**
531	* New Course Builder.
532	*
533	* @since 3.0.0
534	*/
535	new QuizBuilder();
536
537	/**
538	* Tutor native e-commerce
539	*
540	* @since 3.0.0
541	*/
542	new Ecommerce();
543
544	/**
545	* Data migrations
546	*
547	* @since 3.8.0
548	*/
549	new Migration();
550
551	/**
552	* Run Method
553	*
554	* @since 1.2.0
555	*/
556	$this->run();
557
558	do_action( 'tutor_loaded' );
559
560	add_action( 'init', array( $this, 'init_action' ) );
561
562	/**
563	* Check activated plugin
564	*
565	* @since 1.5.7
566	*/
567
568	add_action( 'activated_plugin', array( $this, 'activated_tutor' ), 10, 2 );
569
570	/**
571	* Redirect to setup page
572	*
573	* @since 2.8.0
574	*/
575	add_action( 'admin_init', array( $this, 'redirect_to_setup_page' ) );
576	}
577
578	/**
579	* Check activated plugin
580	*
581	* @since 1.5.7
582	*
583	* @param mixed $plugin plugin.
584	* @param mixed $network_wide network wide.
585	*
586	* @return void
587	*/
588	public function activated_tutor( $plugin, $network_wide = null ) {
589	if ( tutor()->basename === $plugin ) {
590	$this->redirect_to_setup_page();
591	}
592	}
593
594	/**
595	* Redirect to setup page
596	*
597	* @since 2.8.0
598	*
599	* @return void
600	*/
601	public function redirect_to_setup_page() {
602	if ( ( ! get_option( 'tutor_wizard' ) ) && version_compare( TUTOR_VERSION, '1.5.6', '>' ) ) {
603	if ( ! wp_doing_ajax() ) {
604	update_option( 'tutor_wizard', 'active' );
605	$is_wp_cli = defined( 'WP_CLI' ) && WP_CLI;
606	if ( ! $is_wp_cli ) {
607	wp_safe_redirect( admin_url( 'admin.php?page=tutor-setup' ) );
608	}
609	exit;
610	}
611	}
612	}
613
614	/**
615	* Include utility functions
616	*
617	* @return void
618	*/
619	public function includes() {
620	$tutor_path = plugin_dir_path( TUTOR_FILE );
621
622	include $tutor_path . 'includes/tutor-general-functions.php';
623	include $tutor_path . 'includes/tutor-template-functions.php';
624	include $tutor_path . 'includes/tutor-template-hook.php';
625	include $tutor_path . 'includes/translate-text.php';
626	include $tutor_path . 'includes/country.php';
627	include $tutor_path . 'includes/ecommerce-functions.php';
628
629	if ( ! function_exists( 'is_plugin_active' ) ) {
630	require_once ABSPATH . 'wp-admin/includes/plugin.php';
631	}
632
633	// Only kirki latest has class KirkiMain.
634	$is_kirki_active = \is_plugin_active( 'kirki-pro/kirki-pro.php' ) && class_exists( 'KirkiProMain' );
635
636	if ( $is_kirki_active ) {
637	$tutor_kirki_path = $tutor_path . 'includes/kirki/kirki.php';
638	if ( file_exists( $tutor_kirki_path ) ) {
639	include $tutor_kirki_path;
640	}
641	} else {
642	$is_droip_active = \is_plugin_active( 'droip/droip.php' );
643	$tutor_droip_path = $tutor_path . 'includes/droip/droip.php';
644	if ( $is_droip_active && file_exists( $tutor_droip_path ) ) {
645	include $tutor_droip_path;
646	}
647	}
648
649	}
650
651	/**
652	* Providing hooks
653	*
654	* @return void
655	*/
656	public function run() {
657	do_action( 'tutor_before_run' );
658	do_action( 'tutor_after_run' );
659	}
660
661	/**
662	* Tutor Action Via do_action
663	*
664	* @since 1.2.14
665	*/
666	public function init_action() {
667	$tutor_action = Input::sanitize_request_data( 'tutor_action' );
668	if ( '' !== $tutor_action ) {
669	do_action( 'tutor_action_' . $tutor_action );
670	}
671	}
672
673	/**
674	* Do some task during plugin activation
675	*/
676	public static function tutor_activate() {
677	$version = get_option( 'tutor_version' );
678	if ( ! function_exists( 'tutor_time' ) ) {
679	include tutor()->path . 'includes/tutor-general-functions.php';
680	}
681
682	// Create Database.
683	self::create_database();
684
685	// Save Option.
686	if ( ! $version ) {
687
688	$options = self::default_options();
689	update_option( 'tutor_option', $options );
690
691	// Rewrite Flush.
692	Permalink::set_permalink_flag();
693	self::manage_tutor_roles_and_permissions();
694
695	// Save initial Page.
696	self::save_data();
697	update_option( 'tutor_version', TUTOR_VERSION );
698	}
699
700	// Set Schedule.
701	if ( ! wp_next_scheduled( 'tutor_once_in_day_run_schedule' ) ) {
702	wp_schedule_event( tutor_time(), 'twicedaily', 'tutor_once_in_day_run_schedule' );
703	}
704
705	/**
706	* Backward Compatibility for version < 1.2.0
707	*/
708	if ( version_compare( get_option( 'tutor_version' ), '1.2.0', '<' ) ) {
709	/**
710	* Creating New Database
711	*/
712	self::create_withdraw_database();
713	// Update the tutor version.
714	update_option( 'tutor_version', '1.2.0' );
715	// Rewrite Flush.
716	Permalink::set_permalink_flag();
717	}
718
719	/**
720	* Backward Compatibility to < 1.3.1 for make course plural
721	*/
722	if ( version_compare( get_option( 'tutor_version' ), '1.3.1', '<' ) ) {
723	global $wpdb;
724
725	if ( ! get_option( 'is_course_post_type_updated' ) ) {
726	$wpdb->update( $wpdb->posts, array( 'post_type' => tutor()->course_post_type ), array( 'post_type' => 'course' ) );
727	update_option( 'is_course_post_type_updated', true );
728	update_option( 'tutor_version', '1.3.1' );
729	Permalink::set_permalink_flag();
730	}
731	}
732
733	/**
734	* Save First activation Time
735	*/
736	$first_activation_date = get_option( 'tutor_first_activation_time' );
737	if ( ! $first_activation_date ) {
738	update_option( 'tutor_first_activation_time', tutor_time() );
739	}
740	}
741
742	/**
743	* Run task on deactivation
744	*
745	* @since 1.0.0
746	*
747	* @return void
748	*/
749	public static function tutor_deactivation() {
750	wp_clear_scheduled_hook( 'tutor_once_in_day_run_schedule' );
751	}
752
753	/**
754	* Create database
755	*
756	* @return void
757	*/
758	public static function create_database() {
759	global $wpdb;
760
761	$charset_collate = $wpdb->get_charset_collate();
762
763	/**
764	* Table SQL
765	*
766	* {$wpdb->prefix}tutor_quiz_attempts
767	* {$wpdb->prefix}tutor_quiz_attempt_answers
768	* {$wpdb->prefix}tutor_quiz_questions
769	* {$wpdb->prefix}tutor_quiz_question_answers
770	* {$wpdb->prefix}tutor_earnings
771	* {$wpdb->prefix}tutor_withdraws
772	*
773	* @since 1.0.0
774	*/
775	$quiz_attempts_sql = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempts (
776	attempt_id bigint(20) NOT NULL AUTO_INCREMENT,
777	course_id bigint(20) DEFAULT NULL,
778	quiz_id bigint(20) DEFAULT NULL,
779	user_id bigint(20) DEFAULT NULL,
780	total_questions int(11) DEFAULT NULL,
781	total_answered_questions int(11) DEFAULT NULL,
782	total_marks decimal(9,2) DEFAULT NULL,
783	earned_marks decimal(9,2) DEFAULT NULL,
784	attempt_info text,
785	attempt_status varchar(50) DEFAULT NULL,
786	attempt_ip varchar(250) DEFAULT NULL,
787	attempt_started_at datetime DEFAULT NULL,
788	attempt_ended_at datetime DEFAULT NULL,
789	is_manually_reviewed int(1) DEFAULT NULL,
790	manually_reviewed_at datetime DEFAULT NULL,
791	result varchar(10) DEFAULT NULL,
792	PRIMARY KEY (attempt_id),
793	INDEX (course_id),
794	INDEX (quiz_id),
795	INDEX (user_id),
796	INDEX (result)
797	) $charset_collate;";
798
799	$quiz_attempt_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempt_answers (
800	attempt_answer_id bigint(20) NOT NULL AUTO_INCREMENT,
801	user_id bigint(20) DEFAULT NULL,
802	quiz_id bigint(20) DEFAULT NULL,
803	question_id bigint(20) DEFAULT NULL,
804	quiz_attempt_id bigint(20) DEFAULT NULL,
805	given_answer longtext,
806	question_mark decimal(8,2) DEFAULT NULL,
807	achieved_mark decimal(8,2) DEFAULT NULL,
808	minus_mark decimal(8,2) DEFAULT NULL,
809	is_correct tinyint(4) DEFAULT NULL,
810	PRIMARY KEY (attempt_answer_id)
811	) $charset_collate;";
812
813	$tutor_quiz_questions = "CREATE TABLE {$wpdb->prefix}tutor_quiz_questions (
814	question_id bigint(20) NOT NULL AUTO_INCREMENT,
815	quiz_id bigint(20) DEFAULT NULL,
816	question_title text,
817	question_description longtext,
818	answer_explanation longtext DEFAULT '',
819	question_type varchar(50) DEFAULT NULL,
820	question_mark decimal(9,2) DEFAULT NULL,
821	question_settings longtext,
822	question_order int(11) DEFAULT NULL,
823	PRIMARY KEY (question_id)
824	) $charset_collate;";
825
826	$tutor_quiz_question_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_question_answers (
827	answer_id bigint(20) NOT NULL AUTO_INCREMENT,
828	belongs_question_id bigint(20) DEFAULT NULL,
829	belongs_question_type varchar(250) DEFAULT NULL,
830	answer_title text,
831	is_correct tinyint(4) DEFAULT NULL,
832	image_id bigint(20) DEFAULT NULL,
833	answer_two_gap_match text,
834	answer_view_format varchar(250) DEFAULT NULL,
835	answer_settings text,
836	answer_order int(11) DEFAULT '0',
837	PRIMARY KEY (answer_id)
838	) $charset_collate;";
839
840	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
841	earning_id bigint(20) NOT NULL AUTO_INCREMENT,
842	user_id bigint(20) DEFAULT NULL,
843	course_id bigint(20) DEFAULT NULL,
844	order_id bigint(20) DEFAULT NULL,
845	order_status varchar(50) DEFAULT NULL,
846	course_price_total decimal(16,2) DEFAULT NULL,
847	course_price_grand_total decimal(16,2) DEFAULT NULL,
848	instructor_amount decimal(16,2) DEFAULT NULL,
849	instructor_rate decimal(16,2) DEFAULT NULL,
850	admin_amount decimal(16,2) DEFAULT NULL,
851	admin_rate decimal(16,2) DEFAULT NULL,
852	commission_type varchar(20) DEFAULT NULL,
853	deduct_fees_amount decimal(16,2) DEFAULT NULL,
854	deduct_fees_name varchar(250) DEFAULT NULL,
855	deduct_fees_type varchar(20) DEFAULT NULL,
856	process_by varchar(20) DEFAULT NULL,
857	created_at datetime DEFAULT NULL,
858	PRIMARY KEY (earning_id),
859	INDEX (user_id),
860	INDEX (course_id),
861	INDEX (order_id),
862	INDEX (process_by)
863	) $charset_collate;";
864
865	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
866	withdraw_id bigint(20) NOT NULL AUTO_INCREMENT,
867	user_id bigint(20) DEFAULT NULL,
868	amount decimal(16,2) DEFAULT NULL,
869	method_data text DEFAULT NULL,
870	status varchar(50) DEFAULT NULL,
871	updated_at datetime DEFAULT NULL,
872	created_at datetime DEFAULT NULL,
873	PRIMARY KEY (withdraw_id)
874	) $charset_collate;";
875
876	$orders_table = "CREATE TABLE {$wpdb->prefix}tutor_orders (
877	id BIGINT(20) UNSIGNED AUTO_INCREMENT,
878	parent_id BIGINT(20) UNSIGNED DEFAULT 0, -- for subscription order, store subscription record id
879	transaction_id VARCHAR(255) COMMENT 'Transaction id from payment gateway',
880	user_id BIGINT(20) UNSIGNED NOT NULL,
881	order_type VARCHAR(50) NOT NULL, -- single_order, subscription
882	order_status VARCHAR(50) NOT NULL,
883	payment_status VARCHAR(50) NOT NULL,
884	subtotal_price DECIMAL(13, 2) NOT NULL, -- price calculation based on course sale price
885	pre_tax_price DECIMAL(13, 2) NOT NULL, -- total price before adding tax
886	tax_type VARCHAR(50),
887	tax_rate DECIMAL(13, 2) COMMENT 'Tax percentage',
888	tax_amount DECIMAL(13, 2),
889	total_price DECIMAL(13, 2) NOT NULL, -- final price
890	net_payment DECIMAL(13, 2) NOT NULL, -- calculated price if any refund is done else same as total_price
891	coupon_code VARCHAR(255),
892	coupon_amount DECIMAL(13, 2),
893	discount_type ENUM('percentage', 'flat') DEFAULT NULL,
894	discount_amount DECIMAL(13, 2),
895	discount_reason TEXT,
896	fees DECIMAL(13, 2), -- payment gateway fees
897	earnings DECIMAL(13, 2), -- net earning
898	refund_amount DECIMAL(13, 2), -- Refund amount
899	payment_method VARCHAR(255),
900	payment_payloads LONGTEXT,
901	note TEXT,
902	created_at_gmt DATETIME NOT NULL,
903	created_by BIGINT(20) UNSIGNED NOT NULL,
904	updated_at_gmt DATETIME,
905	updated_by BIGINT(20) UNSIGNED NOT NULL,
906	PRIMARY KEY (id),
907	KEY user_id (user_id),
908	KEY order_type (order_type),
909	KEY payment_status (payment_status),
910	KEY order_status (order_status),
911	KEY transaction_id (transaction_id)
912	) $charset_collate;";
913
914	$order_meta_table = "CREATE TABLE {$wpdb->prefix}tutor_ordermeta (
915	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
916	order_id BIGINT(20) UNSIGNED NOT NULL,
917	meta_key VARCHAR(255) NOT NULL,
918	meta_value LONGTEXT NOT NULL,
919	created_at_gmt DATETIME NOT NULL,
920	created_by BIGINT(20) UNSIGNED NOT NULL,
921	updated_at_gmt DATETIME,
922	updated_by BIGINT(20) UNSIGNED NOT NULL,
923	PRIMARY KEY (id),
924	KEY order_id (order_id),
925	KEY meta_key (meta_key),
926	CONSTRAINT fk_tutor_ordermeta_order_id FOREIGN KEY (order_id) REFERENCES {$wpdb->prefix}tutor_orders(id) ON DELETE CASCADE
927	) $charset_collate;";
928
929	$order_items_table = "CREATE TABLE {$wpdb->prefix}tutor_order_items (
930	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
931	order_id BIGINT(20) UNSIGNED NOT NULL,
932	item_id BIGINT(20) UNSIGNED NOT NULL, -- course id/plan id
933	regular_price DECIMAL(13, 2) NOT NULL, -- course regular price
934	sale_price VARCHAR(13) DEFAULT NULL, -- course sale price
935	discount_price VARCHAR(13) DEFAULT NULL, -- course discount price
936	coupon_code VARCHAR(255) DEFAULT NULL, -- coupon code
937	PRIMARY KEY (id),
938	KEY order_id (order_id),
939	KEY item_id (item_id),
940	CONSTRAINT fk_tutor_order_item_order_id FOREIGN KEY (order_id) REFERENCES {$wpdb->prefix}tutor_orders(id) ON DELETE CASCADE
941	) $charset_collate;";
942
943	$coupons_table = "CREATE TABLE {$wpdb->prefix}tutor_coupons (
944	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
945	coupon_status VARCHAR(50),
946	coupon_type VARCHAR(100) DEFAULT 'code', -- coupon type 'code' or 'automatic'
947	coupon_code VARCHAR(50) NOT NULL,
948	coupon_title VARCHAR(255) NOT NULL,
949	coupon_description TEXT,
950	discount_type ENUM('percentage', 'flat') NOT NULL,
951	discount_amount DECIMAL(13, 2) NOT NULL,
952	applies_to VARCHAR(100) DEFAULT 'all_courses_and_bundles', -- possible values 'all_courses_and_bundles', 'all_courses', 'all_bundles', 'specific_courses', 'specific_bundles', 'specific_category'
953	total_usage_limit INT(10) UNSIGNED DEFAULT NULL, -- null for unlimited usage
954	per_user_usage_limit TINYINT(4) UNSIGNED DEFAULT NULL, -- null for unlimited usage
955	purchase_requirement VARCHAR(50) DEFAULT 'no_minimum', -- possible values 'no_minimum', 'minimum_purchase', 'minimum_quantity'
956	purchase_requirement_value DECIMAL(13, 2),
957	start_date_gmt DATETIME NOT NULL,
958	expire_date_gmt DATETIME DEFAULT NULL,
959	created_at_gmt DATETIME NOT NULL,
960	created_by BIGINT(20) UNSIGNED NOT NULL,
961	updated_at_gmt DATETIME,
962	updated_by BIGINT(20) UNSIGNED NOT NULL,
963	PRIMARY KEY (id),
964	UNIQUE KEY coupon_code (coupon_code),
965	KEY start_date_gmt (start_date_gmt),
966	KEY expire_date_gmt (expire_date_gmt)
967	) $charset_collate;";
968
969	$coupon_applications_table = "CREATE TABLE {$wpdb->prefix}tutor_coupon_applications (
970	coupon_code VARCHAR(50) NOT NULL,
971	reference_id BIGINT(20) UNSIGNED NOT NULL,
972	KEY coupon_code (coupon_code),
973	KEY reference_id (reference_id),
974	CONSTRAINT fk_tutor_coupon_application_coupon_code FOREIGN KEY (coupon_code) REFERENCES {$wpdb->prefix}tutor_coupons(coupon_code) ON DELETE CASCADE
975	) $charset_collate;";
976
977	$coupon_usage_table = "CREATE TABLE {$wpdb->prefix}tutor_coupon_usages (
978	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
979	coupon_code VARCHAR(50) NOT NULL,
980	user_id BIGINT(20) UNSIGNED NOT NULL,
981	PRIMARY KEY (id),
982	KEY coupon_code (coupon_code),
983	KEY user_id (user_id),
984	CONSTRAINT fk_tutor_coupon_usage_coupon_code FOREIGN KEY (coupon_code) REFERENCES {$wpdb->prefix}tutor_coupons(coupon_code) ON DELETE CASCADE,
985	CONSTRAINT fk_tutor_coupon_usage_user_id FOREIGN KEY (user_id) REFERENCES {$wpdb->prefix}users(ID) ON DELETE CASCADE
986	) $charset_collate;";
987
988	$cart_table = "CREATE TABLE {$wpdb->prefix}tutor_carts (
989	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
990	user_id BIGINT(20) UNSIGNED DEFAULT NULL,
991	coupon_code VARCHAR(50) DEFAULT NULL,
992	created_at_gmt DATETIME NOT NULL,
993	updated_at_gmt DATETIME,
994	PRIMARY KEY (id),
995	KEY user_id (user_id),
996	KEY coupon_code (coupon_code),
997	CONSTRAINT fk_tutor_cart_user_id FOREIGN KEY (user_id) REFERENCES {$wpdb->prefix}users(ID) ON DELETE CASCADE
998	) $charset_collate;";
999
1000	$cart_items_table = "CREATE TABLE {$wpdb->prefix}tutor_cart_items (
1001	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1002	cart_id BIGINT(20) UNSIGNED NOT NULL,
1003	course_id BIGINT(20) UNSIGNED NOT NULL,
1004	PRIMARY KEY (id),
1005	KEY cart_id (cart_id),
1006	KEY course_id (course_id),
1007	CONSTRAINT fk_tutor_cart_item_cart_id FOREIGN KEY (cart_id) REFERENCES {$wpdb->prefix}tutor_carts(id) ON DELETE CASCADE,
1008	CONSTRAINT fk_tutor_cart_item_course_id FOREIGN KEY (course_id) REFERENCES {$wpdb->prefix}posts(ID) ON DELETE CASCADE
1009	) $charset_collate;";
1010
1011	$customer_table = "CREATE TABLE {$wpdb->prefix}tutor_customers (
1012	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1013	user_id BIGINT(20) UNSIGNED DEFAULT NULL,
1014	billing_first_name VARCHAR(255) NOT NULL,
1015	billing_last_name VARCHAR(255) NOT NULL,
1016	billing_email VARCHAR(255) NOT NULL,
1017	billing_phone VARCHAR(20) NOT NULL,
1018	billing_zip_code VARCHAR(20) NOT NULL,
1019	billing_address TEXT NOT NULL,
1020	billing_country VARCHAR(100) NOT NULL,
1021	billing_state VARCHAR(100) NOT NULL,
1022	billing_city VARCHAR(100) NOT NULL,
1023	PRIMARY KEY (id),
1024	KEY user_id (user_id),
1025	KEY billing_email (billing_email)
1026	) $charset_collate;";
1027
1028	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1029	dbDelta( $quiz_attempts_sql );
1030	dbDelta( $quiz_attempt_answers );
1031	dbDelta( $tutor_quiz_questions );
1032	dbDelta( $tutor_quiz_question_answers );
1033	dbDelta( $earning_table );
1034	dbDelta( $withdraw_table );
1035	dbDelta( $orders_table );
1036	dbDelta( $order_meta_table );
1037	dbDelta( $order_items_table );
1038	dbDelta( $coupons_table );
1039	dbDelta( $coupon_applications_table );
1040	dbDelta( $coupon_usage_table );
1041	dbDelta( $cart_table );
1042	dbDelta( $cart_items_table );
1043	dbDelta( $customer_table );
1044	}
1045
1046	/**
1047	* Manage tutor roles & permission
1048	*
1049	* @return void
1050	*/
1051	public static function manage_tutor_roles_and_permissions() {
1052	/**
1053	* Add role for instructor
1054	*/
1055	$instructor_role = tutor()->instructor_role;
1056
1057	remove_role( $instructor_role );
1058	add_role( $instructor_role, __( 'Tutor Instructor', 'tutor' ), array() );
1059
1060	$custom_post_type_permission = array(
1061	// Manage Instructor.
1062	'manage_tutor_instructor',
1063
1064	// Tutor Posts Type Permission.
1065	'edit_tutor_course',
1066	'read_tutor_course',
1067	'delete_tutor_course',
1068	'delete_tutor_courses',
1069	'edit_tutor_courses',
1070	'edit_others_tutor_courses',
1071	'read_private_tutor_courses',
1072	'edit_tutor_courses',
1073
1074	'edit_tutor_lesson',
1075	'read_tutor_lesson',
1076	'delete_tutor_lesson',
1077	'delete_tutor_lessons',
1078	'edit_tutor_lessons',
1079	'edit_others_tutor_lessons',
1080	'read_private_tutor_lessons',
1081	'edit_tutor_lessons',
1082	'publish_tutor_lessons',
1083
1084	'edit_tutor_quiz',
1085	'read_tutor_quiz',
1086	'delete_tutor_quiz',
1087	'delete_tutor_quizzes',
1088	'edit_tutor_quizzes',
1089	'edit_others_tutor_quizzes',
1090	'read_private_tutor_quizzes',
1091	'edit_tutor_quizzes',
1092	'publish_tutor_quizzes',
1093
1094	'edit_tutor_question',
1095	'read_tutor_question',
1096	'delete_tutor_question',
1097	'delete_tutor_questions',
1098	'edit_tutor_questions',
1099	'edit_others_tutor_questions',
1100	'publish_tutor_questions',
1101	'read_private_tutor_questions',
1102	'edit_tutor_questions',
1103	);
1104
1105	$instructor = get_role( $instructor_role );
1106	if ( $instructor ) {
1107	$instructor_cap = array(
1108	'edit_posts',
1109	'read',
1110	'upload_files',
1111	);
1112
1113	$instructor_cap = array_merge( $instructor_cap, $custom_post_type_permission );
1114
1115	$can_publish_course = (bool) tutor_utils()->get_option( 'instructor_can_publish_course' );
1116	if ( $can_publish_course ) {
1117	$instructor_cap[] = 'publish_tutor_courses';
1118	}
1119
1120	foreach ( $instructor_cap as $cap ) {
1121	$instructor->add_cap( $cap );
1122	}
1123	}
1124
1125	$administrator = get_role( 'administrator' );
1126	if ( $administrator ) {
1127
1128	$administrator_cap = array(
1129	'manage_tutor',
1130	);
1131	$administrator_cap = array_merge( $administrator_cap, $custom_post_type_permission );
1132	$administrator_cap[] = 'publish_tutor_courses';
1133
1134	foreach ( $administrator_cap as $cap ) {
1135	$administrator->add_cap( $cap );
1136	}
1137	}
1138
1139	/**
1140	* Add Instructor role to administrator
1141	*/
1142	if ( current_user_can( 'administrator' ) ) {
1143	tutor_utils()->add_instructor_role( get_current_user_id() );
1144	}
1145	}
1146
1147	/**
1148	* On plugin activate save initial data
1149	* Like: generate tutor pages
1150	*
1151	* @since 1.0.0
1152	*
1153	* @return void
1154	*/
1155	public static function save_data() {
1156
1157	$student_dashboard_args = array(
1158	'post_title' => __( 'Dashboard', 'tutor' ),
1159	'post_content' => '',
1160	'post_type' => 'page',
1161	'post_status' => 'publish',
1162	);
1163	$student_dashboard_page_id = wp_insert_post( $student_dashboard_args );
1164	tutor_utils()->update_option( 'tutor_dashboard_page_id', $student_dashboard_page_id );
1165
1166	$student_registration_args = array(
1167	'post_title' => __( 'Student Registration', 'tutor' ),
1168	'post_content' => '[tutor_student_registration_form]',
1169	'post_type' => 'page',
1170	'post_status' => 'publish',
1171	);
1172	$student_register_page_id = wp_insert_post( $student_registration_args );
1173	tutor_utils()->update_option( 'student_register_page', $student_register_page_id );
1174
1175	$instructor_registration_args = array(
1176	'post_title' => __( 'Instructor Registration', 'tutor' ),
1177	'post_content' => '[tutor_instructor_registration_form]',
1178	'post_type' => 'page',
1179	'post_status' => 'publish',
1180	);
1181	$instructor_registration_id = wp_insert_post( $instructor_registration_args );
1182	tutor_utils()->update_option( 'instructor_register_page', $instructor_registration_id );
1183	}
1184
1185	/**
1186	* Default options
1187	*
1188	* @since 1.0.0
1189	*
1190	* @since 3.4.1 Supported video sources added
1191	*
1192	* @return array
1193	*/
1194	public static function default_options() {
1195	$options = array(
1196	'pagination_per_page' => '20',
1197	'course_allow_upload_private_files' => '1',
1198	'display_course_instructors' => '1',
1199	'enable_q_and_a_on_course' => '1',
1200	'courses_col_per_row' => '3',
1201	'courses_per_page' => '12',
1202	'course_permalink_base' => 'courses',
1203	'lesson_permalink_base' => 'lessons',
1204	'quiz_when_time_expires' => 'autosubmit',
1205	'quiz_attempts_allowed' => '10',
1206	'quiz_grade_method' => 'highest_grade',
1207	'enable_public_profile' => '1',
1208	'email_to_students' =>
1209	array(
1210	'quiz_completed' => '1',
1211	'completed_course' => '1',
1212	),
1213	'email_to_instructors' =>
1214	array(
1215	'a_student_enrolled_in_course' => '1',
1216	'a_student_completed_course' => '1',
1217	'a_student_completed_lesson' => '1',
1218	'a_student_placed_question' => '1',
1219	),
1220	'email_from_name' => get_option( 'blogname' ),
1221	'email_from_address' => get_option( 'admin_email' ),
1222	'email_footer_text' => '',
1223	'earning_admin_commission' => '20',
1224	'earning_instructor_commission' => '80',
1225	'color_preset_type' => 'default',
1226
1227	// Default options for tutor ecommerce.
1228	'monetize_by' => Ecommerce::MONETIZE_BY,
1229	'currency_code' => 'USD',
1230	'currency_position' => 'left',
1231	'thousand_separator' => ',',
1232	'decimal_separator' => '.',
1233	'number_of_decimals' => '2',
1234	'is_coupon_applicable' => 'on',
1235	'supported_video_sources' => array(
1236	'html5',
1237	'external_url',
1238	'youtube',
1239	'vimeo',
1240	'embedded',
1241	'shortcode',
1242	),
1243	);
1244
1245	return $options;
1246	}
1247
1248
1249	/**
1250	* Create withdraw database
1251	*
1252	* @since 1.2.0
1253	*/
1254	public static function create_withdraw_database() {
1255	global $wpdb;
1256
1257	$charset_collate = $wpdb->get_charset_collate();
1258
1259	/**
1260	* Table SQL
1261	*
1262	* {$wpdb->prefix}tutor_earnings
1263	* {$wpdb->prefix}tutor_withdraws
1264	*
1265	* @since 1.2.0
1266	*/
1267
1268	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
1269	earning_id bigint(20) NOT NULL AUTO_INCREMENT,
1270	user_id bigint(20) DEFAULT NULL,
1271	course_id bigint(20) DEFAULT NULL,
1272	order_id bigint(20) DEFAULT NULL,
1273	order_status varchar(50) DEFAULT NULL,
1274	course_price_total decimal(16,2) DEFAULT NULL,
1275	course_price_grand_total decimal(16,2) DEFAULT NULL,
1276	instructor_amount decimal(16,2) DEFAULT NULL,
1277	instructor_rate decimal(16,2) DEFAULT NULL,
1278	admin_amount decimal(16,2) DEFAULT NULL,
1279	admin_rate decimal(16,2) DEFAULT NULL,
1280	commission_type varchar(20) DEFAULT NULL,
1281	deduct_fees_amount decimal(16,2) DEFAULT NULL,
1282	deduct_fees_name varchar(250) DEFAULT NULL,
1283	deduct_fees_type varchar(20) DEFAULT NULL,
1284	process_by varchar(20) DEFAULT NULL,
1285	created_at datetime DEFAULT NULL,
1286	PRIMARY KEY (earning_id)
1287	) $charset_collate;";
1288
1289	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
1290	withdraw_id bigint(20) NOT NULL AUTO_INCREMENT,
1291	user_id bigint(20) DEFAULT NULL,
1292	amount decimal(16,2) DEFAULT NULL,
1293	method_data text DEFAULT NULL,
1294	status varchar(50) DEFAULT NULL,
1295	updated_at datetime DEFAULT NULL,
1296	created_at datetime DEFAULT NULL,
1297	PRIMARY KEY (withdraw_id)
1298	) $charset_collate;";
1299
1300	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1301	dbDelta( $earning_table );
1302	dbDelta( $withdraw_table );
1303
1304	/**
1305	* Setting previous dashboard to new dashboard
1306	*/
1307	$previous_dashboard_page_id = (int) tutor_utils()->get_option( 'student_dashboard' );
1308	tutor_utils()->update_option( 'tutor_dashboard_page_id', $previous_dashboard_page_id );
1309	}
1310
1311	/**
1312	* Filter the wp_doing_ajax from tutor requests to get advanced
1313	* advantages from Tutor
1314	*
1315	* @since 1.3.4
1316	*
1317	* @param bool $bool default value.
1318	*
1319	* @return bool
1320	*/
1321	public function wp_doing_ajax( $bool ) {
1322	// Don't use Input::has helper to avoid conflict.
1323	if ( isset( $_REQUEST['tutor_ajax_action'] ) ) {
1324	return true;
1325	}
1326	return $bool;
1327	}
1328
1329	/**
1330	* Handle plugin un-installation
1331	*
1332	* @since 2.6.2
1333	*
1334	* @return void
1335	*/
1336	public static function tutor_uninstall() {
1337	self::erase_tutor_data();
1338	}
1339
1340	/**
1341	* Erase tutor data
1342	*
1343	* @since 2.6.2
1344	*
1345	* @return void
1346	*/
1347	public static function erase_tutor_data() {
1348	global $wpdb;
1349
1350	$is_erase_data = tutor_utils()->get_option( 'delete_on_uninstall' );
1351	// Deleting Data.
1352
1353	if ( $is_erase_data ) {
1354	/**
1355	* Deleting Post Type, Meta Data, taxonomy
1356	*/
1357	$course_post_type = tutor()->course_post_type;
1358	$lesson_post_type = tutor()->lesson_post_type;
1359
1360	$post_types = array(
1361	$course_post_type,
1362	$lesson_post_type,
1363	'tutor_quiz',
1364	'tutor_enrolled',
1365	'topics',
1366	'tutor_enrolled',
1367	'tutor_announcements',
1368	);
1369
1370	$in_clause = QueryHelper::prepare_in_clause( $post_types );
1371	$tutor_posts = $wpdb->get_col( $wpdb->prepare( "SELECT ID from {$wpdb->posts} WHERE post_type IN({$in_clause}) ;" ) ); //phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
1372
1373	if ( is_array( $tutor_posts ) && count( $tutor_posts ) ) {
1374	foreach ( $tutor_posts as $post_id ) {
1375	// Delete categories.
1376	$terms = wp_get_object_terms( $post_id, CourseModel::COURSE_CATEGORY );
1377	foreach ( $terms as $term ) {
1378	wp_remove_object_terms( $post_id, array( $term->term_id ), CourseModel::COURSE_CATEGORY );
1379	}
1380
1381	// Delete tags if available.
1382	$terms = wp_get_object_terms( $post_id, CourseModel::COURSE_TAG );
1383	foreach ( $terms as $term ) {
1384	wp_remove_object_terms( $post_id, array( $term->term_id ), CourseModel::COURSE_TAG );
1385	}
1386
1387	// Delete All Meta.
1388	$wpdb->delete( $wpdb->postmeta, array( 'post_id' => $post_id ) );
1389	$wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) );
1390	}
1391	}
1392
1393	/**
1394	* Deleting Comments (reviews, questions, quiz_answers, etc)
1395	*/
1396	$tutor_comments = $wpdb->get_col( "SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;" );
1397	if ( is_array( $tutor_comments ) && count( $tutor_comments ) ) {
1398	$in_clause = QueryHelper::prepare_in_clause( $tutor_comments );
1399	$wpdb->query( $wpdb->prepare( "DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$in_clause}) " ) ); //phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
1400	}
1401	$wpdb->delete( $wpdb->comments, array( 'comment_agent' => 'comment_agent' ) );
1402
1403	/**
1404	* Delete Options
1405	*/
1406
1407	delete_option( 'tutor_option' );
1408	$wpdb->delete( $wpdb->usermeta, array( 'meta_key' => '_is_tutor_student' ) );
1409	$wpdb->delete( $wpdb->usermeta, array( 'meta_key' => '_tutor_instructor_approved' ) );
1410	$wpdb->delete( $wpdb->usermeta, array( 'meta_key' => '_tutor_instructor_status' ) );
1411	$wpdb->delete( $wpdb->usermeta, array( 'meta_key' => '_is_tutor_instructor' ) );
1412	$wpdb->query( "DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' " );
1413
1414	// Deleting Table.
1415	$prefix = $wpdb->prefix;
1416	//phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
1417	$wpdb->query( "DROP TABLE IF EXISTS {$prefix}tutor_quiz_attempts, {$prefix}tutor_quiz_attempt_answers, {$prefix}tutor_quiz_questions, {$prefix}tutor_quiz_question_answers, {$prefix}tutor_earnings, {$prefix}tutor_withdraws " );
1418
1419	}
1420	}
1421	}
1422