Tutor.php — Tutor LMS – eLearning and online course solution 2.1.5

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

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