Tutor.php — Tutor LMS – eLearning and online course solution 2.4.0

tutor / classes / Tutor.php

tutor / classes Last commit date

Addons.php 2 years ago Admin.php 2 years ago Ajax.php 2 years ago Announcements.php 3 years ago Assets.php 2 years ago Backend_Page_Trait.php 3 years ago Course.php 2 years ago Course_Embed.php 3 years ago Course_Filter.php 2 years ago Course_List.php 2 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 2 years ago Frontend.php 2 years ago Gutenberg.php 3 years ago Input.php 3 years ago Instructor.php 2 years ago Instructors_List.php 3 years ago Lesson.php 2 years ago Options_V2.php 2 years ago Post_types.php 2 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 2 years ago Quiz_Attempts_List.php 2 years ago RestAPI.php 3 years ago Reviews.php 3 years ago Rewrite_Rules.php 3 years ago Shortcode.php 2 years ago Student.php 2 years ago Students_List.php 3 years ago Taxonomies.php 3 years ago Template.php 2 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 2 years ago Tutor_Base.php 3 years ago Tutor_Setup.php 3 years ago Upgrader.php 3 years ago User.php 2 years ago Utils.php 2 years ago Video_Stream.php 3 years ago WhatsNew.php 2 years ago Withdraw.php 2 years ago Withdraw_Requests_List.php 3 years ago WooCommerce.php 2 years ago

Tutor.php

1105 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	public $course_list;
400
401	//phpcs:disable
402	public $q_and_a_list;
403	public $q_attempt;
404	public $rest_api;
405	public $setup;
406	public $private_course_access;
407	public $course_filter;
408	//phpcs:enable
409
410	/**
411	* Course Embed
412	*
413	* @var $course_embed
414	*
415	* @since 2.1.0
416	*/
417	private $course_embed;
418
419	/**
420	* Rest Authentication
421	*
422	* @var $rest_auth
423	*
424	* @since 2.1.0
425	*/
426	private $rest_auth;
427
428	/**
429	* Run the TUTOR
430	*
431	* @since 1.2.0
432	*
433	* @return null\|Tutor
434	*/
435	public static function instance() {
436	if ( is_null( self::$_instance ) ) {
437	self::$_instance = new self();
438	}
439	return self::$_instance;
440	}
441
442	/**
443	* Initialize props & other dependencies
444	*
445	* @since 1.0.0
446	*/
447	public function __construct() {
448
449	$this->path = plugin_dir_path( TUTOR_FILE );
450	$this->url = plugin_dir_url( TUTOR_FILE );
451	$this->basename = plugin_basename( TUTOR_FILE );
452
453	/**
454	* Adding Tutor Database table to $wpdb;
455	*
456	* @since 1.4.2
457	*/
458	global $wpdb;
459	$wpdb->tutor_earnings = $wpdb->prefix . 'tutor_earnings';
460	$wpdb->tutor_gradebooks = $wpdb->prefix . 'tutor_gradebooks';
461	$wpdb->tutor_gradebooks_results = $wpdb->prefix . 'tutor_gradebooks_results';
462	$wpdb->tutor_quiz_attempts = $wpdb->prefix . 'tutor_quiz_attempts';
463	$wpdb->tutor_quiz_attempt_answers = $wpdb->prefix . 'tutor_quiz_attempt_answers';
464	$wpdb->tutor_quiz_questions = $wpdb->prefix . 'tutor_quiz_questions';
465	$wpdb->tutor_quiz_question_answers = $wpdb->prefix . 'tutor_quiz_question_answers';
466	$wpdb->tutor_withdraws = $wpdb->prefix . 'tutor_withdraws';
467	$wpdb->tutor_email_queue = $wpdb->prefix . 'tutor_email_queue';
468
469	/**
470	* Changing default wp doing ajax return based on tutor ajax action
471	*/
472	add_filter( 'wp_doing_ajax', array( $this, 'wp_doing_ajax' ) );
473
474	/**
475	* Include Files
476	*/
477	$this->includes();
478
479	/**
480	* Loading Auto loader
481	*/
482	spl_autoload_register( array( $this, 'loader' ) );
483
484	do_action( 'tutor_before_load' );
485
486	$this->addons = new Addons();
487	$this->post_types = new Post_types();
488	$this->taxonomies = new Taxonomies();
489	$this->assets = new Assets();
490	$this->admin = new Admin();
491	$this->ajax = new Ajax();
492	$this->options = new Options_V2();
493	$this->shortcode = new Shortcode();
494	$this->course = new Course();
495	$this->lesson = new Lesson();
496	$this->rewrite_rules = new Rewrite_Rules();
497	$this->template = new Template();
498	$this->instructor = new Instructor();
499	$this->student = new Student();
500	$this->q_and_a = new Q_and_A();
501	$this->q_and_a_list = new Question_Answers_List();
502	$this->q_attempt = new Quiz_Attempts_List();
503	$this->quiz = new Quiz();
504	$this->tools = new Tools();
505	$this->user = new User();
506	$this->theme_compatibility = new Theme_Compatibility();
507	$this->gutenberg = new Gutenberg();
508	$this->course_settings_tabs = new Course_Settings_Tabs();
509	$this->withdraw = new Withdraw();
510	$this->course_widget = new Course_Widget();
511	$this->upgrader = new Upgrader();
512	$this->dashboard = new Dashboard();
513	$this->form_handler = new FormHandler();
514	$this->frontend = new Frontend();
515	$this->rest_api = new RestAPI();
516	$this->setup = new Tutor_Setup();
517	$this->private_course_access = new Private_Course_Access();
518	$this->course_filter = new Course_Filter();
519
520	// Integrations.
521	$this->woocommerce = new WooCommerce();
522	$this->edd = new TutorEDD();
523
524	/**
525	* Init obj
526	*
527	* @since 2.0.0
528	*/
529	$this->announcements = new Announcements();
530	$this->course_list = new Course_List();
531	$this->reviews = new Reviews();
532	$this->withdraw_list = new Withdraw_Requests_List();
533	$this->student_list = new Students_List();
534	$this->instructor_list = new Instructors_List();
535	$this->course_embed = new Course_Embed();
536	$this->rest_auth = new RestAuth();
537
538	/**
539	* Run Method
540	*
541	* @since v.1.2.0
542	*/
543	$this->run();
544
545	do_action( 'tutor_loaded' );
546
547	add_action( 'init', array( $this, 'init_action' ) );
548
549	/**
550	* Redirect to the wizard page
551	*
552	* @since 1.5.7
553	*/
554
555	add_action( 'activated_plugin', array( $this, 'activated_tutor' ), 10, 2 );
556	}
557
558	/**
559	* Redirect to the wizard page
560	*
561	* @since 1.5.7
562	*
563	* @param mixed $plugin plugin.
564	* @param mixed $network_wide network wide.
565	*
566	* @return void
567	*/
568	public function activated_tutor( $plugin, $network_wide = null ) {
569	if ( tutor()->basename === $plugin ) {
570	if ( ( ! get_option( 'tutor_wizard' ) ) && version_compare( TUTOR_VERSION, '1.5.6', '>' ) ) {
571	update_option( 'tutor_wizard', 'active' );
572	wp_safe_redirect( admin_url( 'admin.php?page=tutor-setup' ) );
573	exit;
574	}
575	}
576	}
577
578	/**
579	* Auto Load class and the files
580	*
581	* @since 1.0.0
582	*
583	* @param string $class_name class name to load.
584	*
585	* @return void
586	*/
587	private function loader( $class_name ) {
588	if ( ! class_exists( $class_name ) ) {
589	$class_name = preg_replace(
590	array( '/([a-z])([A-Z])/', '/\\\/' ),
591	array( '$1$2', DIRECTORY_SEPARATOR ),
592	$class_name
593	);
594
595	$class_name = str_replace( 'TUTOR' . DIRECTORY_SEPARATOR, 'classes' . DIRECTORY_SEPARATOR, $class_name );
596	$file_name = $this->path . $class_name . '.php';
597
598	if ( file_exists( $file_name ) ) {
599	require_once $file_name;
600	}
601	}
602	}
603
604	/**
605	* Include utility functions
606	*
607	* @return void
608	*/
609	public function includes() {
610	include tutor()->path . 'includes/tutor-general-functions.php';
611	include tutor()->path . 'includes/tutor-template-functions.php';
612	include tutor()->path . 'includes/tutor-template-hook.php';
613	include tutor()->path . 'includes/translate-text.php';
614	}
615
616	/**
617	* Providing hooks
618	*
619	* @return void
620	*/
621	public function run() {
622	do_action( 'tutor_before_run' );
623	do_action( 'tutor_after_run' );
624	}
625
626	/**
627	* Tutor Action Via do_action
628	*
629	* @since 1.2.14
630	*/
631	public function init_action() {
632	$tutor_action = Input::sanitize_request_data( 'tutor_action' );
633	if ( '' !== $tutor_action ) {
634	do_action( 'tutor_action_' . $tutor_action );
635	}
636	}
637
638	/**
639	* Do some task during plugin activation
640	*/
641	public static function tutor_activate() {
642	$version = get_option( 'tutor_version' );
643	if ( ! function_exists( 'tutor_time' ) ) {
644	include tutor()->path . 'includes/tutor-general-functions.php';
645	}
646
647	// Create Database.
648	self::create_database();
649
650	// Save Option.
651	if ( ! $version ) {
652
653	$options = self::default_options();
654	update_option( 'tutor_option', $options );
655
656	// Rewrite Flush.
657	update_option( 'required_rewrite_flush', tutor_time() );
658	self::manage_tutor_roles_and_permissions();
659
660	// Save initial Page.
661	self::save_data();
662	update_option( 'tutor_version', TUTOR_VERSION );
663	}
664
665	// Set Schedule.
666	if ( ! wp_next_scheduled( 'tutor_once_in_day_run_schedule' ) ) {
667	wp_schedule_event( tutor_time(), 'twicedaily', 'tutor_once_in_day_run_schedule' );
668	}
669
670	/**
671	* Backward Compatibility for version < 1.2.0
672	*/
673	if ( version_compare( get_option( 'tutor_version' ), '1.2.0', '<' ) ) {
674	/**
675	* Creating New Database
676	*/
677	self::create_withdraw_database();
678	// Update the tutor version.
679	update_option( 'tutor_version', '1.2.0' );
680	// Rewrite Flush.
681	update_option( 'required_rewrite_flush', tutor_time() );
682	}
683
684	/**
685	* Backward Compatibility to < 1.3.1 for make course plural
686	*/
687	if ( version_compare( get_option( 'tutor_version' ), '1.3.1', '<' ) ) {
688	global $wpdb;
689
690	if ( ! get_option( 'is_course_post_type_updated' ) ) {
691	$wpdb->update( $wpdb->posts, array( 'post_type' => tutor()->course_post_type ), array( 'post_type' => 'course' ) );
692	update_option( 'is_course_post_type_updated', true );
693	update_option( 'tutor_version', '1.3.1' );
694	flush_rewrite_rules();
695	}
696	}
697
698	/**
699	* Save First activation Time
700	*/
701	$first_activation_date = get_option( 'tutor_first_activation_time' );
702	if ( ! $first_activation_date ) {
703	update_option( 'tutor_first_activation_time', tutor_time() );
704	}
705	}
706
707	/**
708	* Run task on deactivation
709	*
710	* @since 1.0.0
711	*
712	* @return void
713	*/
714	public static function tutor_deactivation() {
715	wp_clear_scheduled_hook( 'tutor_once_in_day_run_schedule' );
716	}
717
718	/**
719	* Create database
720	*
721	* @return void
722	*/
723	public static function create_database() {
724	global $wpdb;
725
726	$charset_collate = $wpdb->get_charset_collate();
727
728	/**
729	* Table SQL
730	*
731	* {$wpdb->prefix}tutor_quiz_attempts
732	* {$wpdb->prefix}tutor_quiz_attempt_answers
733	* {$wpdb->prefix}tutor_quiz_questions
734	* {$wpdb->prefix}tutor_quiz_question_answers
735	* {$wpdb->prefix}tutor_earnings
736	* {$wpdb->prefix}tutor_withdraws
737	*
738	* @since 1.0.0
739	*/
740	$quiz_attempts_sql = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempts (
741	attempt_id bigint(20) NOT NULL AUTO_INCREMENT,
742	course_id bigint(20) DEFAULT NULL,
743	quiz_id bigint(20) DEFAULT NULL,
744	user_id bigint(20) DEFAULT NULL,
745	total_questions int(11) DEFAULT NULL,
746	total_answered_questions int(11) DEFAULT NULL,
747	total_marks decimal(9,2) DEFAULT NULL,
748	earned_marks decimal(9,2) DEFAULT NULL,
749	attempt_info text,
750	attempt_status varchar(50) DEFAULT NULL,
751	attempt_ip varchar(250) DEFAULT NULL,
752	attempt_started_at datetime DEFAULT NULL,
753	attempt_ended_at datetime DEFAULT NULL,
754	is_manually_reviewed int(1) DEFAULT NULL,
755	manually_reviewed_at datetime DEFAULT NULL,
756	PRIMARY KEY (attempt_id)
757	) $charset_collate;";
758
759	$quiz_attempt_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempt_answers (
760	attempt_answer_id bigint(20) NOT NULL AUTO_INCREMENT,
761	user_id bigint(20) DEFAULT NULL,
762	quiz_id bigint(20) DEFAULT NULL,
763	question_id bigint(20) DEFAULT NULL,
764	quiz_attempt_id bigint(20) DEFAULT NULL,
765	given_answer longtext,
766	question_mark decimal(8,2) DEFAULT NULL,
767	achieved_mark decimal(8,2) DEFAULT NULL,
768	minus_mark decimal(8,2) DEFAULT NULL,
769	is_correct tinyint(4) DEFAULT NULL,
770	PRIMARY KEY (attempt_answer_id)
771	) $charset_collate;";
772
773	$tutor_quiz_questions = "CREATE TABLE {$wpdb->prefix}tutor_quiz_questions (
774	question_id bigint(20) NOT NULL AUTO_INCREMENT,
775	quiz_id bigint(20) DEFAULT NULL,
776	question_title text,
777	question_description longtext,
778	answer_explanation longtext DEFAULT '',
779	question_type varchar(50) DEFAULT NULL,
780	question_mark decimal(9,2) DEFAULT NULL,
781	question_settings longtext,
782	question_order int(11) DEFAULT NULL,
783	PRIMARY KEY (question_id)
784	) $charset_collate;";
785
786	$tutor_quiz_question_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_question_answers (
787	answer_id bigint(20) NOT NULL AUTO_INCREMENT,
788	belongs_question_id bigint(20) DEFAULT NULL,
789	belongs_question_type varchar(250) DEFAULT NULL,
790	answer_title text,
791	is_correct tinyint(4) DEFAULT NULL,
792	image_id bigint(20) DEFAULT NULL,
793	answer_two_gap_match text,
794	answer_view_format varchar(250) DEFAULT NULL,
795	answer_settings text,
796	answer_order int(11) DEFAULT '0',
797	PRIMARY KEY (answer_id)
798	) $charset_collate;";
799
800	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
801	earning_id bigint(20) NOT NULL AUTO_INCREMENT,
802	user_id bigint(20) DEFAULT NULL,
803	course_id bigint(20) DEFAULT NULL,
804	order_id bigint(20) DEFAULT NULL,
805	order_status varchar(50) DEFAULT NULL,
806	course_price_total decimal(16,2) DEFAULT NULL,
807	course_price_grand_total decimal(16,2) DEFAULT NULL,
808	instructor_amount decimal(16,2) DEFAULT NULL,
809	instructor_rate decimal(16,2) DEFAULT NULL,
810	admin_amount decimal(16,2) DEFAULT NULL,
811	admin_rate decimal(16,2) DEFAULT NULL,
812	commission_type varchar(20) DEFAULT NULL,
813	deduct_fees_amount decimal(16,2) DEFAULT NULL,
814	deduct_fees_name varchar(250) DEFAULT NULL,
815	deduct_fees_type varchar(20) DEFAULT NULL,
816	process_by varchar(20) DEFAULT NULL,
817	created_at datetime DEFAULT NULL,
818	PRIMARY KEY (earning_id)
819	) $charset_collate;";
820
821	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
822	withdraw_id bigint(20) NOT NULL AUTO_INCREMENT,
823	user_id bigint(20) DEFAULT NULL,
824	amount decimal(16,2) DEFAULT NULL,
825	method_data text DEFAULT NULL,
826	status varchar(50) DEFAULT NULL,
827	updated_at datetime DEFAULT NULL,
828	created_at datetime DEFAULT NULL,
829	PRIMARY KEY (withdraw_id)
830	) $charset_collate;";
831
832	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
833	dbDelta( $quiz_attempts_sql );
834	dbDelta( $quiz_attempt_answers );
835	dbDelta( $tutor_quiz_questions );
836	dbDelta( $tutor_quiz_question_answers );
837	dbDelta( $earning_table );
838	dbDelta( $withdraw_table );
839	}
840
841	/**
842	* Manage tutor roles & permission
843	*
844	* @return void
845	*/
846	public static function manage_tutor_roles_and_permissions() {
847	/**
848	* Add role for instructor
849	*/
850	$instructor_role = tutor()->instructor_role;
851
852	remove_role( $instructor_role );
853	add_role( $instructor_role, __( 'Tutor Instructor', 'tutor' ), array() );
854
855	$custom_post_type_permission = array(
856	// Manage Instructor.
857	'manage_tutor_instructor',
858
859	// Tutor Posts Type Permission.
860	'edit_tutor_course',
861	'read_tutor_course',
862	'delete_tutor_course',
863	'delete_tutor_courses',
864	'edit_tutor_courses',
865	'edit_others_tutor_courses',
866	'read_private_tutor_courses',
867	'edit_tutor_courses',
868
869	'edit_tutor_lesson',
870	'read_tutor_lesson',
871	'delete_tutor_lesson',
872	'delete_tutor_lessons',
873	'edit_tutor_lessons',
874	'edit_others_tutor_lessons',
875	'read_private_tutor_lessons',
876	'edit_tutor_lessons',
877	'publish_tutor_lessons',
878
879	'edit_tutor_quiz',
880	'read_tutor_quiz',
881	'delete_tutor_quiz',
882	'delete_tutor_quizzes',
883	'edit_tutor_quizzes',
884	'edit_others_tutor_quizzes',
885	'read_private_tutor_quizzes',
886	'edit_tutor_quizzes',
887	'publish_tutor_quizzes',
888
889	'edit_tutor_question',
890	'read_tutor_question',
891	'delete_tutor_question',
892	'delete_tutor_questions',
893	'edit_tutor_questions',
894	'edit_others_tutor_questions',
895	'publish_tutor_questions',
896	'read_private_tutor_questions',
897	'edit_tutor_questions',
898	);
899
900	$instructor = get_role( $instructor_role );
901	if ( $instructor ) {
902	$instructor_cap = array(
903	'edit_posts',
904	'read',
905	'upload_files',
906	);
907
908	$instructor_cap = array_merge( $instructor_cap, $custom_post_type_permission );
909
910	$can_publish_course = (bool) tutor_utils()->get_option( 'instructor_can_publish_course' );
911	if ( $can_publish_course ) {
912	$instructor_cap[] = 'publish_tutor_courses';
913	}
914
915	foreach ( $instructor_cap as $cap ) {
916	$instructor->add_cap( $cap );
917	}
918	}
919
920	$administrator = get_role( 'administrator' );
921	if ( $administrator ) {
922
923	$administrator_cap = array(
924	'manage_tutor',
925	);
926	$administrator_cap = array_merge( $administrator_cap, $custom_post_type_permission );
927	$administrator_cap[] = 'publish_tutor_courses';
928
929	foreach ( $administrator_cap as $cap ) {
930	$administrator->add_cap( $cap );
931	}
932	}
933
934	/**
935	* Add Instructor role to administrator
936	*/
937	if ( current_user_can( 'administrator' ) ) {
938	tutor_utils()->add_instructor_role( get_current_user_id() );
939	}
940
941	}
942
943	/**
944	* On plugin activate save initial data
945	* Like: generate tutor pages
946	*
947	* @since 1.0.0
948	*
949	* @return void
950	*/
951	public static function save_data() {
952
953	$student_dashboard_args = array(
954	'post_title' => __( 'Dashboard', 'tutor' ),
955	'post_content' => '',
956	'post_type' => 'page',
957	'post_status' => 'publish',
958	);
959	$student_dashboard_page_id = wp_insert_post( $student_dashboard_args );
960	tutor_utils()->update_option( 'tutor_dashboard_page_id', $student_dashboard_page_id );
961
962	$student_registration_args = array(
963	'post_title' => __( 'Student Registration', 'tutor' ),
964	'post_content' => '[tutor_student_registration_form]',
965	'post_type' => 'page',
966	'post_status' => 'publish',
967	);
968	$student_register_page_id = wp_insert_post( $student_registration_args );
969	tutor_utils()->update_option( 'student_register_page', $student_register_page_id );
970
971	$instructor_registration_args = array(
972	'post_title' => __( 'Instructor Registration', 'tutor' ),
973	'post_content' => '[tutor_instructor_registration_form]',
974	'post_type' => 'page',
975	'post_status' => 'publish',
976	);
977	$instructor_registration_id = wp_insert_post( $instructor_registration_args );
978	tutor_utils()->update_option( 'instructor_register_page', $instructor_registration_id );
979	}
980
981	/**
982	* Default options
983	*
984	* @since 1.0.0
985	*
986	* @return array
987	*/
988	public static function default_options() {
989	$options = array(
990	'pagination_per_page' => '20',
991	'course_allow_upload_private_files' => '1',
992	'display_course_instructors' => '1',
993	'enable_q_and_a_on_course' => '1',
994	'courses_col_per_row' => '3',
995	'courses_per_page' => '12',
996	'lesson_permalink_base' => 'lesson',
997	'quiz_when_time_expires' => 'autosubmit',
998	'quiz_attempts_allowed' => '10',
999	'quiz_grade_method' => 'highest_grade',
1000	'enable_public_profile' => '1',
1001	'email_to_students' =>
1002	array(
1003	'quiz_completed' => '1',
1004	'completed_course' => '1',
1005	),
1006	'email_to_instructors' =>
1007	array(
1008	'a_student_enrolled_in_course' => '1',
1009	'a_student_completed_course' => '1',
1010	'a_student_completed_lesson' => '1',
1011	'a_student_placed_question' => '1',
1012	),
1013	'email_from_name' => get_option( 'blogname' ),
1014	'email_from_address' => get_option( 'admin_email' ),
1015	'email_footer_text' => '',
1016	'earning_admin_commission' => '20',
1017	'earning_admin_commission' => '20',
1018	'earning_instructor_commission' => '80',
1019	'color_preset_type' => 'default',
1020	);
1021	return $options;
1022	}
1023
1024
1025	/**
1026	* Create withdraw database
1027	*
1028	* @since 1.2.0
1029	*/
1030	public static function create_withdraw_database() {
1031	global $wpdb;
1032
1033	$charset_collate = $wpdb->get_charset_collate();
1034
1035	/**
1036	* Table SQL
1037	*
1038	* {$wpdb->prefix}tutor_earnings
1039	* {$wpdb->prefix}tutor_withdraws
1040	*
1041	* @since 1.2.0
1042	*/
1043
1044	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
1045	earning_id bigint(20) NOT NULL AUTO_INCREMENT,
1046	user_id bigint(20) DEFAULT NULL,
1047	course_id bigint(20) DEFAULT NULL,
1048	order_id bigint(20) DEFAULT NULL,
1049	order_status varchar(50) DEFAULT NULL,
1050	course_price_total decimal(16,2) DEFAULT NULL,
1051	course_price_grand_total decimal(16,2) DEFAULT NULL,
1052	instructor_amount decimal(16,2) DEFAULT NULL,
1053	instructor_rate decimal(16,2) DEFAULT NULL,
1054	admin_amount decimal(16,2) DEFAULT NULL,
1055	admin_rate decimal(16,2) DEFAULT NULL,
1056	commission_type varchar(20) DEFAULT NULL,
1057	deduct_fees_amount decimal(16,2) DEFAULT NULL,
1058	deduct_fees_name varchar(250) DEFAULT NULL,
1059	deduct_fees_type varchar(20) DEFAULT NULL,
1060	process_by varchar(20) DEFAULT NULL,
1061	created_at datetime DEFAULT NULL,
1062	PRIMARY KEY (earning_id)
1063	) $charset_collate;";
1064
1065	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
1066	withdraw_id bigint(20) NOT NULL AUTO_INCREMENT,
1067	user_id bigint(20) DEFAULT NULL,
1068	amount decimal(16,2) DEFAULT NULL,
1069	method_data text DEFAULT NULL,
1070	status varchar(50) DEFAULT NULL,
1071	updated_at datetime DEFAULT NULL,
1072	created_at datetime DEFAULT NULL,
1073	PRIMARY KEY (withdraw_id)
1074	) $charset_collate;";
1075
1076	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1077	dbDelta( $earning_table );
1078	dbDelta( $withdraw_table );
1079
1080	/**
1081	* Setting previous dashboard to new dashboard
1082	*/
1083	$previous_dashboard_page_id = (int) tutor_utils()->get_option( 'student_dashboard' );
1084	tutor_utils()->update_option( 'tutor_dashboard_page_id', $previous_dashboard_page_id );
1085	}
1086
1087	/**
1088	* Filter the wp_doing_ajax from tutor requests to get advanced
1089	* advantages from Tutor
1090	*
1091	* @since 1.3.4
1092	*
1093	* @param bool $bool default value.
1094	*
1095	* @return bool
1096	*/
1097	public function wp_doing_ajax( $bool ) {
1098	// Don't use Input::has helper to avoid conflict.
1099	if ( isset( $_REQUEST['tutor_ajax_action'] ) ) {
1100	return true;
1101	}
1102	return $bool;
1103	}
1104	}
1105