Tutor.php — Tutor LMS – eLearning and online course solution 2.2.1

tutor / classes / Tutor.php

tutor / classes Last commit date

Addons.php 3 years ago Admin.php 3 years ago Ajax.php 3 years ago Announcements.php 3 years ago Assets.php 3 years ago Backend_Page_Trait.php 3 years ago Course.php 3 years ago Course_Embed.php 3 years ago Course_Filter.php 3 years ago Course_List.php 3 years ago Course_Settings_Tabs.php 3 years ago Course_Widget.php 3 years ago Custom_Validation.php 3 years ago Dashboard.php 3 years ago FormHandler.php 3 years ago Frontend.php 3 years ago Gutenberg.php 3 years ago Input.php 3 years ago Instructor.php 3 years ago Instructors_List.php 3 years ago Lesson.php 3 years ago Options_V2.php 3 years ago Post_types.php 3 years ago Private_Course_Access.php 3 years ago Q_and_A.php 3 years ago Question_Answers_List.php 3 years ago Quiz.php 3 years ago Quiz_Attempts_List.php 3 years ago RestAPI.php 3 years ago Reviews.php 3 years ago Rewrite_Rules.php 3 years ago Shortcode.php 3 years ago Student.php 3 years ago Students_List.php 3 years ago Taxonomies.php 3 years ago Template.php 3 years ago Theme_Compatibility.php 3 years ago Tools.php 3 years ago Tools_V2.php 3 years ago Tutor.php 3 years ago TutorEDD.php 3 years ago Tutor_Base.php 3 years ago Tutor_Setup.php 3 years ago Upgrader.php 3 years ago User.php 3 years ago Utils.php 3 years ago Video_Stream.php 3 years ago Withdraw.php 3 years ago Withdraw_Requests_List.php 3 years ago WooCommerce.php 3 years ago

Tutor.php

1095 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	if ( ! defined( 'ABSPATH' ) ) {
14	exit;
15	}
16
17	/**
18	* Tutor final class
19	*
20	* @since 1.0.0
21	*/
22	final class Tutor {
23	/**
24	* Tutor version
25	*
26	* @since 1.0.0
27	*
28	* @var string
29	*/
30	public $version = TUTOR_VERSION;
31
32	/**
33	* Plugin dir path
34	*
35	* @since 1.0.0
36	*
37	* @var string
38	*/
39	public $path;
40
41	/**
42	* Plugin dir path
43	*
44	* @since 1.0.0
45	*
46	* @var string
47	*/
48	public $url;
49
50	/**
51	* Plugin dir name
52	*
53	* @since 1.0.0
54	*
55	* @var string
56	*/
57	public $basename;
58
59	/**
60	* The single instance of the class.
61	*
62	* @since 1.2.0
63	*
64	* @var object
65	*/
66	protected static $_instance = null;
67
68
69	/**
70	* Utils class object
71	*
72	* @since 1.1.0
73	*
74	* @var object
75	*/
76	public $utils;
77
78	/**
79	* Admin class object
80	*
81	* @since 1.1.0
82	*
83	* @var object
84	*/
85	public $admin;
86
87	/**
88	* Ajax class object
89	*
90	* @since 1.1.0
91	*
92	* @var object
93	*/
94	public $ajax;
95
96	/**
97	* Options class object
98	*
99	* @since 1.1.0
100	*
101	* @var object
102	*/
103	public $options;
104
105	/**
106	* Short code class object
107	*
108	* @since 1.1.0
109	*
110	* @var object
111	*/
112	public $shortcode;
113
114	/**
115	* Addons class object
116	*
117	* @since 1.1.0
118	*
119	* @var object
120	*/
121	private $addons;
122
123	/**
124	* PostType class object
125	*
126	* @since 1.1.0
127	*
128	* @var object
129	*/
130	private $post_types;
131
132	/**
133	* Taxonomies class object
134	*
135	* @since 1.1.0
136	*
137	* @var object
138	*/
139	private $taxonomies;
140
141	/**
142	* Assets class object
143	*
144	* @since 1.1.0
145	*
146	* @var object
147	*/
148	private $assets;
149
150	/**
151	* Course class object
152	*
153	* @since 1.1.0
154	*
155	* @var object
156	*/
157	private $course;
158
159	/**
160	* Lesson class object
161	*
162	* @since 1.1.0
163	*
164	* @var object
165	*/
166	private $lesson;
167
168	/**
169	* Rewrite_Rules class object
170	*
171	* @since 1.1.0
172	*
173	* @var object
174	*/
175	private $rewrite_rules;
176
177	/**
178	* Template class object
179	*
180	* @since 1.1.0
181	*
182	* @var object
183	*/
184	private $template;
185
186	/**
187	* Instructor class object
188	*
189	* @since 1.1.0
190	*
191	* @var object
192	*/
193	private $instructor;
194
195	/**
196	* Student class object
197	*
198	* @since 1.1.0
199	*
200	* @var object
201	*/
202	private $student;
203
204	/**
205	* Q_and_A class object
206	*
207	* @since 1.1.0
208	*
209	* @var object
210	*/
211	private $q_and_a;
212
213	/**
214	* Quiz class object
215	*
216	* @since 1.1.0
217	*
218	* @var object
219	*/
220	private $quiz;
221
222	/**
223	* Tools class object
224	*
225	* @since 1.1.0
226	*
227	* @var object
228	*/
229	private $tools;
230
231	/**
232	* User class object
233	*
234	* @since 1.1.0
235	*
236	* @var object
237	*/
238	private $user;
239
240	/**
241	* Theme_Compatibility class object
242	*
243	* @since 1.1.0
244	*
245	* @var object
246	*/
247	private $theme_compatibility;
248
249	/**
250	* Gutenberg class object
251	*
252	* @since 1.1.0
253	*
254	* @var object
255	*/
256	private $gutenberg;
257
258	/**
259	* Course_Settings_Tabs class object
260	*
261	* @since 1.1.0
262	*
263	* @var object
264	*/
265	private $course_settings_tabs;
266
267	/**
268	* Withdraw class object
269	*
270	* @since 1.1.0
271	*
272	* @var object
273	*/
274	private $withdraw;
275
276	/**
277	* Course_Widget class object
278	*
279	* @since 1.1.0
280	*
281	* @var object
282	*/
283	private $course_widget;
284
285	/**
286	* Upgrader class object
287	*
288	* @since 1.1.0
289	*
290	* @var object
291	*/
292	private $upgrader;
293
294	/**
295	* Dashboard class object
296	*
297	* @since 1.1.0
298	*
299	* @var object
300	*/
301	private $dashboard;
302
303	/**
304	* FormHandler class object
305	*
306	* @since 1.1.0
307	*
308	* @var object
309	*/
310	private $form_handler;
311
312	/**
313	* Frontend class object
314	*
315	* @since 1.1.0
316	*
317	* @var object
318	*/
319	private $frontend;
320
321	/**
322	* Email property
323	*
324	* @since 1.1.0
325	*
326	* @var object
327	*/
328	private $email;
329
330	/**
331	* WooCommerce integration class object
332	*
333	* @since 1.1.0
334	*
335	* @var object
336	*/
337	private $woocommerce;
338
339	/**
340	* Tutor_EDD class object
341	*
342	* @since 1.1.0
343	*
344	* @var object
345	*/
346	private $edd;
347
348	/**
349	* Announcement
350	*
351	* @since 2.0.0
352	*
353	* @var $announcements
354	*/
355	private $announcements;
356
357	/**
358	* Reviews class object
359	*
360	* @since 1.1.0
361	*
362	* @var object
363	*/
364	private $reviews;
365
366	/**
367	* Withdraw_List class object
368	*
369	* @since 1.1.0
370	*
371	* @var object
372	*/
373	private $withdraw_list;
374
375	/**
376	* Student_List class object
377	*
378	* @since 1.1.0
379	*
380	* @var object
381	*/
382	private $student_list;
383
384	/**
385	* Instructor_List class object
386	*
387	* @since 1.1.0
388	*
389	* @var object
390	*/
391	private $instructor_list;
392
393	/**
394	* Course List
395	*
396	* @var $course_list
397	* @since 2.0.0
398	*/
399	private $Course_List;
400
401	/**
402	* Course Embed
403	*
404	* @var $course_embed
405	*
406	* @since 2.1.0
407	*/
408	private $course_embed;
409
410	/**
411	* Rest Authentication
412	*
413	* @var $rest_auth
414	*
415	* @since 2.1.0
416	*/
417	private $rest_auth;
418
419	/**
420	* Run the TUTOR
421	*
422	* @since 1.2.0
423	*
424	* @return null\|Tutor
425	*/
426	public static function instance() {
427	if ( is_null( self::$_instance ) ) {
428	self::$_instance = new self();
429	}
430	return self::$_instance;
431	}
432
433	/**
434	* Initialize props & other dependencies
435	*
436	* @since 1.0.0
437	*/
438	public function __construct() {
439
440	$this->path = plugin_dir_path( TUTOR_FILE );
441	$this->url = plugin_dir_url( TUTOR_FILE );
442	$this->basename = plugin_basename( TUTOR_FILE );
443
444	/**
445	* Adding Tutor Database table to $wpdb;
446	*
447	* @since 1.4.2
448	*/
449	global $wpdb;
450	$wpdb->tutor_earnings = $wpdb->prefix . 'tutor_earnings';
451	$wpdb->tutor_gradebooks = $wpdb->prefix . 'tutor_gradebooks';
452	$wpdb->tutor_gradebooks_results = $wpdb->prefix . 'tutor_gradebooks_results';
453	$wpdb->tutor_quiz_attempts = $wpdb->prefix . 'tutor_quiz_attempts';
454	$wpdb->tutor_quiz_attempt_answers = $wpdb->prefix . 'tutor_quiz_attempt_answers';
455	$wpdb->tutor_quiz_questions = $wpdb->prefix . 'tutor_quiz_questions';
456	$wpdb->tutor_quiz_question_answers = $wpdb->prefix . 'tutor_quiz_question_answers';
457	$wpdb->tutor_withdraws = $wpdb->prefix . 'tutor_withdraws';
458	$wpdb->tutor_email_queue = $wpdb->prefix . 'tutor_email_queue';
459
460	/**
461	* Changing default wp doing ajax return based on tutor ajax action
462	*/
463	add_filter( 'wp_doing_ajax', array( $this, 'wp_doing_ajax' ) );
464
465	/**
466	* Include Files
467	*/
468	$this->includes();
469
470	/**
471	* Loading Auto loader
472	*/
473	spl_autoload_register( array( $this, 'loader' ) );
474
475	do_action( 'tutor_before_load' );
476
477	$this->addons = new Addons();
478	$this->post_types = new Post_types();
479	$this->taxonomies = new Taxonomies();
480	$this->assets = new Assets();
481	$this->admin = new Admin();
482	$this->ajax = new Ajax();
483	$this->options = new Options_V2();
484	$this->shortcode = new Shortcode();
485	$this->course = new Course();
486	$this->lesson = new Lesson();
487	$this->rewrite_rules = new Rewrite_Rules();
488	$this->template = new Template();
489	$this->instructor = new Instructor();
490	$this->student = new Student();
491	$this->q_and_a = new Q_and_A();
492	$this->q_and_a_list = new Question_Answers_List();
493	$this->q_attempt = new Quiz_Attempts_List();
494	$this->quiz = new Quiz();
495	$this->tools = new Tools();
496	$this->user = new User();
497	$this->theme_compatibility = new Theme_Compatibility();
498	$this->gutenberg = new Gutenberg();
499	$this->course_settings_tabs = new Course_Settings_Tabs();
500	$this->withdraw = new Withdraw();
501	$this->course_widget = new Course_Widget();
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
511	// Integrations.
512	$this->woocommerce = new WooCommerce();
513	$this->edd = new TutorEDD();
514
515	/**
516	* Init obj
517	*
518	* @since 2.0.0
519	*/
520	$this->announcements = new Announcements();
521	$this->course_list = new Course_List();
522	$this->reviews = new Reviews();
523	$this->withdraw_list = new Withdraw_Requests_List();
524	$this->student_list = new Students_List();
525	$this->instructor_list = new Instructors_List();
526	$this->course_embed = new Course_Embed();
527	$this->rest_auth = new RestAuth();
528
529	/**
530	* Run Method
531	*
532	* @since v.1.2.0
533	*/
534	$this->run();
535
536	do_action( 'tutor_loaded' );
537
538	add_action( 'init', array( $this, 'init_action' ) );
539
540	/**
541	* Redirect to the wizard page
542	*
543	* @since 1.5.7
544	*/
545
546	add_action( 'activated_plugin', array( $this, 'activated_tutor' ), 10, 2 );
547	}
548
549	/**
550	* Redirect to the wizard page
551	*
552	* @since 1.5.7
553	*
554	* @param mixed $plugin plugin.
555	* @param mixed $network_wide network wide.
556	*
557	* @return void
558	*/
559	public function activated_tutor( $plugin, $network_wide = null ) {
560	if ( $plugin == tutor()->basename ) {
561	if ( ( ! get_option( 'tutor_wizard' ) ) && version_compare( TUTOR_VERSION, '1.5.6', '>' ) ) {
562	update_option( 'tutor_wizard', 'active' );
563	wp_safe_redirect( admin_url( 'admin.php?page=tutor-setup' ) );
564	exit;
565	}
566	}
567	}
568
569	/**
570	* Auto Load class and the files
571	*
572	* @since 1.0.0
573	*
574	* @param string $className class name to load.
575	*
576	* @return void
577	*/
578	private function loader( $className ) {
579	if ( ! class_exists( $className ) ) {
580	$className = preg_replace(
581	array( '/([a-z])([A-Z])/', '/\\\/' ),
582	array( '$1$2', DIRECTORY_SEPARATOR ),
583	$className
584	);
585
586	$className = str_replace( 'TUTOR' . DIRECTORY_SEPARATOR, 'classes' . DIRECTORY_SEPARATOR, $className );
587	$file_name = $this->path . $className . '.php';
588
589	if ( file_exists( $file_name ) ) {
590	require_once $file_name;
591	}
592	}
593	}
594
595	/**
596	* Include utility functions
597	*
598	* @return void
599	*/
600	public function includes() {
601	include tutor()->path . 'includes/tutor-general-functions.php';
602	include tutor()->path . 'includes/tutor-template-functions.php';
603	include tutor()->path . 'includes/tutor-template-hook.php';
604	include tutor()->path . 'includes/translate-text.php';
605	}
606
607	/**
608	* Providing hooks
609	*
610	* @return void
611	*/
612	public function run() {
613	do_action( 'tutor_before_run' );
614	do_action( 'tutor_after_run' );
615	}
616
617	/**
618	* Tutor Action Via do_action
619	*
620	* @since 1.2.14
621	*/
622	public function init_action() {
623	$tutor_action = Input::sanitize_request_data( 'tutor_action' );
624	if ( '' !== $tutor_action ) {
625	do_action( 'tutor_action_' . $tutor_action );
626	}
627	}
628
629	/**
630	* Do some task during plugin activation
631	*/
632	public static function tutor_activate() {
633	$version = get_option( 'tutor_version' );
634	if ( ! function_exists( 'tutor_time' ) ) {
635	include tutor()->path . 'includes/tutor-general-functions.php';
636	}
637
638	// Create Database.
639	self::create_database();
640
641	// Save Option.
642	if ( ! $version ) {
643
644	$options = self::default_options();
645	update_option( 'tutor_option', $options );
646
647	// Rewrite Flush.
648	update_option( 'required_rewrite_flush', tutor_time() );
649	self::manage_tutor_roles_and_permissions();
650
651	// Save initial Page.
652	self::save_data();
653	update_option( 'tutor_version', TUTOR_VERSION );
654	}
655
656	// Set Schedule.
657	if ( ! wp_next_scheduled( 'tutor_once_in_day_run_schedule' ) ) {
658	wp_schedule_event( tutor_time(), 'twicedaily', 'tutor_once_in_day_run_schedule' );
659	}
660
661	/**
662	* Backward Compatibility for version < 1.2.0
663	*/
664	if ( version_compare( get_option( 'tutor_version' ), '1.2.0', '<' ) ) {
665	/**
666	* Creating New Database
667	*/
668	self::create_withdraw_database();
669	// Update the tutor version.
670	update_option( 'tutor_version', '1.2.0' );
671	// Rewrite Flush.
672	update_option( 'required_rewrite_flush', tutor_time() );
673	}
674
675	/**
676	* Backward Compatibility to < 1.3.1 for make course plural
677	*/
678	if ( version_compare( get_option( 'tutor_version' ), '1.3.1', '<' ) ) {
679	global $wpdb;
680
681	if ( ! get_option( 'is_course_post_type_updated' ) ) {
682	$wpdb->update( $wpdb->posts, array( 'post_type' => tutor()->course_post_type ), array( 'post_type' => 'course' ) );
683	update_option( 'is_course_post_type_updated', true );
684	update_option( 'tutor_version', '1.3.1' );
685	flush_rewrite_rules();
686	}
687	}
688
689	/**
690	* Save First activation Time
691	*/
692	$first_activation_date = get_option( 'tutor_first_activation_time' );
693	if ( ! $first_activation_date ) {
694	update_option( 'tutor_first_activation_time', tutor_time() );
695	}
696	}
697
698	/**
699	* Run task on deactivation
700	*
701	* @since 1.0.0
702	*
703	* @return void
704	*/
705	public static function tutor_deactivation() {
706	wp_clear_scheduled_hook( 'tutor_once_in_day_run_schedule' );
707	}
708
709	/**
710	* Create database
711	*
712	* @return void
713	*/
714	public static function create_database() {
715	global $wpdb;
716
717	$charset_collate = $wpdb->get_charset_collate();
718
719	/**
720	* Table SQL
721	*
722	* {$wpdb->prefix}tutor_quiz_attempts
723	* {$wpdb->prefix}tutor_quiz_attempt_answers
724	* {$wpdb->prefix}tutor_quiz_questions
725	* {$wpdb->prefix}tutor_quiz_question_answers
726	* {$wpdb->prefix}tutor_earnings
727	* {$wpdb->prefix}tutor_withdraws
728	*
729	* @since 1.0.0
730	*/
731	$quiz_attempts_sql = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempts (
732	attempt_id bigint(20) NOT NULL AUTO_INCREMENT,
733	course_id bigint(20) DEFAULT NULL,
734	quiz_id bigint(20) DEFAULT NULL,
735	user_id bigint(20) DEFAULT NULL,
736	total_questions int(11) DEFAULT NULL,
737	total_answered_questions int(11) DEFAULT NULL,
738	total_marks decimal(9,2) DEFAULT NULL,
739	earned_marks decimal(9,2) DEFAULT NULL,
740	attempt_info text,
741	attempt_status varchar(50) DEFAULT NULL,
742	attempt_ip varchar(250) DEFAULT NULL,
743	attempt_started_at datetime DEFAULT NULL,
744	attempt_ended_at datetime DEFAULT NULL,
745	is_manually_reviewed int(1) DEFAULT NULL,
746	manually_reviewed_at datetime DEFAULT NULL,
747	PRIMARY KEY (attempt_id)
748	) $charset_collate;";
749
750	$quiz_attempt_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempt_answers (
751	attempt_answer_id bigint(20) NOT NULL AUTO_INCREMENT,
752	user_id bigint(20) DEFAULT NULL,
753	quiz_id bigint(20) DEFAULT NULL,
754	question_id bigint(20) DEFAULT NULL,
755	quiz_attempt_id bigint(20) DEFAULT NULL,
756	given_answer longtext,
757	question_mark decimal(8,2) DEFAULT NULL,
758	achieved_mark decimal(8,2) DEFAULT NULL,
759	minus_mark decimal(8,2) DEFAULT NULL,
760	is_correct tinyint(4) DEFAULT NULL,
761	PRIMARY KEY (attempt_answer_id)
762	) $charset_collate;";
763
764	$tutor_quiz_questions = "CREATE TABLE {$wpdb->prefix}tutor_quiz_questions (
765	question_id bigint(20) NOT NULL AUTO_INCREMENT,
766	quiz_id bigint(20) DEFAULT NULL,
767	question_title text,
768	question_description longtext,
769	question_type varchar(50) DEFAULT NULL,
770	question_mark decimal(9,2) DEFAULT NULL,
771	question_settings longtext,
772	question_order int(11) DEFAULT NULL,
773	PRIMARY KEY (question_id)
774	) $charset_collate;";
775
776	$tutor_quiz_question_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_question_answers (
777	answer_id bigint(20) NOT NULL AUTO_INCREMENT,
778	belongs_question_id bigint(20) DEFAULT NULL,
779	belongs_question_type varchar(250) DEFAULT NULL,
780	answer_title text,
781	is_correct tinyint(4) DEFAULT NULL,
782	image_id bigint(20) DEFAULT NULL,
783	answer_two_gap_match text,
784	answer_view_format varchar(250) DEFAULT NULL,
785	answer_settings text,
786	answer_order int(11) DEFAULT '0',
787	PRIMARY KEY (answer_id)
788	) $charset_collate;";
789
790	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
791	earning_id bigint(20) NOT NULL AUTO_INCREMENT,
792	user_id bigint(20) DEFAULT NULL,
793	course_id bigint(20) DEFAULT NULL,
794	order_id bigint(20) DEFAULT NULL,
795	order_status varchar(50) DEFAULT NULL,
796	course_price_total decimal(16,2) DEFAULT NULL,
797	course_price_grand_total decimal(16,2) DEFAULT NULL,
798	instructor_amount decimal(16,2) DEFAULT NULL,
799	instructor_rate decimal(16,2) DEFAULT NULL,
800	admin_amount decimal(16,2) DEFAULT NULL,
801	admin_rate decimal(16,2) DEFAULT NULL,
802	commission_type varchar(20) DEFAULT NULL,
803	deduct_fees_amount decimal(16,2) DEFAULT NULL,
804	deduct_fees_name varchar(250) DEFAULT NULL,
805	deduct_fees_type varchar(20) DEFAULT NULL,
806	process_by varchar(20) DEFAULT NULL,
807	created_at datetime DEFAULT NULL,
808	PRIMARY KEY (earning_id)
809	) $charset_collate;";
810
811	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
812	withdraw_id bigint(20) NOT NULL AUTO_INCREMENT,
813	user_id bigint(20) DEFAULT NULL,
814	amount decimal(16,2) DEFAULT NULL,
815	method_data text DEFAULT NULL,
816	status varchar(50) DEFAULT NULL,
817	updated_at datetime DEFAULT NULL,
818	created_at datetime DEFAULT NULL,
819	PRIMARY KEY (withdraw_id)
820	) $charset_collate;";
821
822	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
823	dbDelta( $quiz_attempts_sql );
824	dbDelta( $quiz_attempt_answers );
825	dbDelta( $tutor_quiz_questions );
826	dbDelta( $tutor_quiz_question_answers );
827	dbDelta( $earning_table );
828	dbDelta( $withdraw_table );
829	}
830
831	/**
832	* Manage tutor roles & permission
833	*
834	* @return void
835	*/
836	public static function manage_tutor_roles_and_permissions() {
837	/**
838	* Add role for instructor
839	*/
840	$instructor_role = tutor()->instructor_role;
841
842	remove_role( $instructor_role );
843	add_role( $instructor_role, __( 'Tutor Instructor', 'tutor' ), array() );
844
845	$custom_post_type_permission = array(
846	// Manage Instructor.
847	'manage_tutor_instructor',
848
849	// Tutor Posts Type Permission.
850	'edit_tutor_course',
851	'read_tutor_course',
852	'delete_tutor_course',
853	'delete_tutor_courses',
854	'edit_tutor_courses',
855	'edit_others_tutor_courses',
856	'read_private_tutor_courses',
857	'edit_tutor_courses',
858
859	'edit_tutor_lesson',
860	'read_tutor_lesson',
861	'delete_tutor_lesson',
862	'delete_tutor_lessons',
863	'edit_tutor_lessons',
864	'edit_others_tutor_lessons',
865	'read_private_tutor_lessons',
866	'edit_tutor_lessons',
867	'publish_tutor_lessons',
868
869	'edit_tutor_quiz',
870	'read_tutor_quiz',
871	'delete_tutor_quiz',
872	'delete_tutor_quizzes',
873	'edit_tutor_quizzes',
874	'edit_others_tutor_quizzes',
875	'read_private_tutor_quizzes',
876	'edit_tutor_quizzes',
877	'publish_tutor_quizzes',
878
879	'edit_tutor_question',
880	'read_tutor_question',
881	'delete_tutor_question',
882	'delete_tutor_questions',
883	'edit_tutor_questions',
884	'edit_others_tutor_questions',
885	'publish_tutor_questions',
886	'read_private_tutor_questions',
887	'edit_tutor_questions',
888	);
889
890	$instructor = get_role( $instructor_role );
891	if ( $instructor ) {
892	$instructor_cap = array(
893	'edit_posts',
894	'read',
895	'upload_files',
896	);
897
898	$instructor_cap = array_merge( $instructor_cap, $custom_post_type_permission );
899
900	$can_publish_course = (bool) tutor_utils()->get_option( 'instructor_can_publish_course' );
901	if ( $can_publish_course ) {
902	$instructor_cap[] = 'publish_tutor_courses';
903	}
904
905	foreach ( $instructor_cap as $cap ) {
906	$instructor->add_cap( $cap );
907	}
908	}
909
910	$administrator = get_role( 'administrator' );
911	if ( $administrator ) {
912
913	$administrator_cap = array(
914	'manage_tutor',
915	);
916	$administrator_cap = array_merge( $administrator_cap, $custom_post_type_permission );
917	$administrator_cap[] = 'publish_tutor_courses';
918
919	foreach ( $administrator_cap as $cap ) {
920	$administrator->add_cap( $cap );
921	}
922	}
923
924	/**
925	* Add Instructor role to administrator
926	*/
927	if ( current_user_can( 'administrator' ) ) {
928	tutor_utils()->add_instructor_role( get_current_user_id() );
929	}
930
931	}
932
933	/**
934	* On plugin activate save initial data
935	* Like: generate tutor pages
936	*
937	* @since 1.0.0
938	*
939	* @return void
940	*/
941	public static function save_data() {
942
943	$student_dashboard_args = array(
944	'post_title' => __( 'Dashboard', 'tutor' ),
945	'post_content' => '',
946	'post_type' => 'page',
947	'post_status' => 'publish',
948	);
949	$student_dashboard_page_id = wp_insert_post( $student_dashboard_args );
950	tutor_utils()->update_option( 'tutor_dashboard_page_id', $student_dashboard_page_id );
951
952	$student_registration_args = array(
953	'post_title' => __( 'Student Registration', 'tutor' ),
954	'post_content' => '[tutor_student_registration_form]',
955	'post_type' => 'page',
956	'post_status' => 'publish',
957	);
958	$student_register_page_id = wp_insert_post( $student_registration_args );
959	tutor_utils()->update_option( 'student_register_page', $student_register_page_id );
960
961	$instructor_registration_args = array(
962	'post_title' => __( 'Instructor Registration', 'tutor' ),
963	'post_content' => '[tutor_instructor_registration_form]',
964	'post_type' => 'page',
965	'post_status' => 'publish',
966	);
967	$instructor_registration_id = wp_insert_post( $instructor_registration_args );
968	tutor_utils()->update_option( 'instructor_register_page', $instructor_registration_id );
969	}
970
971	/**
972	* Default options
973	*
974	* @since 1.0.0
975	*
976	* @return array
977	*/
978	public static function default_options() {
979	$options = array(
980	'pagination_per_page' => '20',
981	'course_allow_upload_private_files' => '1',
982	'display_course_instructors' => '1',
983	'enable_q_and_a_on_course' => '1',
984	'courses_col_per_row' => '3',
985	'courses_per_page' => '12',
986	'lesson_permalink_base' => 'lesson',
987	'quiz_when_time_expires' => 'autosubmit',
988	'quiz_attempts_allowed' => '10',
989	'quiz_grade_method' => 'highest_grade',
990	'enable_public_profile' => '1',
991	'email_to_students' =>
992	array(
993	'quiz_completed' => '1',
994	'completed_course' => '1',
995	),
996	'email_to_instructors' =>
997	array(
998	'a_student_enrolled_in_course' => '1',
999	'a_student_completed_course' => '1',
1000	'a_student_completed_lesson' => '1',
1001	'a_student_placed_question' => '1',
1002	),
1003	'email_from_name' => get_option( 'blogname' ),
1004	'email_from_address' => get_option( 'admin_email' ),
1005	'email_footer_text' => '',
1006	'earning_admin_commission' => '20',
1007	'earning_admin_commission' => '20',
1008	'earning_instructor_commission' => '80',
1009	'color_preset_type' => 'default',
1010	);
1011	return $options;
1012	}
1013
1014
1015	/**
1016	* Create withdraw database
1017	*
1018	* @since 1.2.0
1019	*/
1020	public static function create_withdraw_database() {
1021	global $wpdb;
1022
1023	$charset_collate = $wpdb->get_charset_collate();
1024
1025	/**
1026	* Table SQL
1027	*
1028	* {$wpdb->prefix}tutor_earnings
1029	* {$wpdb->prefix}tutor_withdraws
1030	*
1031	* @since 1.2.0
1032	*/
1033
1034	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
1035	earning_id bigint(20) NOT NULL AUTO_INCREMENT,
1036	user_id bigint(20) DEFAULT NULL,
1037	course_id bigint(20) DEFAULT NULL,
1038	order_id bigint(20) DEFAULT NULL,
1039	order_status varchar(50) DEFAULT NULL,
1040	course_price_total decimal(16,2) DEFAULT NULL,
1041	course_price_grand_total decimal(16,2) DEFAULT NULL,
1042	instructor_amount decimal(16,2) DEFAULT NULL,
1043	instructor_rate decimal(16,2) DEFAULT NULL,
1044	admin_amount decimal(16,2) DEFAULT NULL,
1045	admin_rate decimal(16,2) DEFAULT NULL,
1046	commission_type varchar(20) DEFAULT NULL,
1047	deduct_fees_amount decimal(16,2) DEFAULT NULL,
1048	deduct_fees_name varchar(250) DEFAULT NULL,
1049	deduct_fees_type varchar(20) DEFAULT NULL,
1050	process_by varchar(20) DEFAULT NULL,
1051	created_at datetime DEFAULT NULL,
1052	PRIMARY KEY (earning_id)
1053	) $charset_collate;";
1054
1055	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
1056	withdraw_id bigint(20) NOT NULL AUTO_INCREMENT,
1057	user_id bigint(20) DEFAULT NULL,
1058	amount decimal(16,2) DEFAULT NULL,
1059	method_data text DEFAULT NULL,
1060	status varchar(50) DEFAULT NULL,
1061	updated_at datetime DEFAULT NULL,
1062	created_at datetime DEFAULT NULL,
1063	PRIMARY KEY (withdraw_id)
1064	) $charset_collate;";
1065
1066	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1067	dbDelta( $earning_table );
1068	dbDelta( $withdraw_table );
1069
1070	/**
1071	* Setting previous dashboard to new dashboard
1072	*/
1073	$previous_dashboard_page_id = (int) tutor_utils()->get_option( 'student_dashboard' );
1074	tutor_utils()->update_option( 'tutor_dashboard_page_id', $previous_dashboard_page_id );
1075	}
1076
1077	/**
1078	* Filter the wp_doing_ajax from tutor requests to get advanced
1079	* advantages from Tutor
1080	*
1081	* @since 1.3.4
1082	*
1083	* @param bool $bool default value.
1084	*
1085	* @return bool
1086	*/
1087	public function wp_doing_ajax( $bool ) {
1088	// Don't use Input::has helper to avoid conflict.
1089	if ( isset( $_REQUEST['tutor_ajax_action'] ) ) {
1090	return true;
1091	}
1092	return $bool;
1093	}
1094	}
1095