← All changes | classes/Course.php +859 -85 1.0.4 → 1.8.10 View file →

		@@ -4,11 +4,17 @@
4	4	if ( ! defined( 'ABSPATH' ) )
5	5	exit;
6	6
7	7	class Course extends Tutor_Base {
	8	+
	9	+ private $additional_meta=array(
	10	+ '_tutor_disable_qa',
	11	+ '_tutor_is_public_course'
	12	+ );
	13	+
8	14	public function __construct() {
9	15	parent::__construct();
10		-
	16	+
11	17	add_action( 'add_meta_boxes', array($this, 'register_meta_box') );
12	18	add_action('save_post_'.$this->course_post_type, array($this, 'save_course_meta'), 10, 2);
13	19	add_action('wp_ajax_tutor_add_course_topic', array($this, 'tutor_add_course_topic'));
14	20	add_action('wp_ajax_tutor_update_topic', array($this, 'tutor_update_topic'));
		@@ -27,40 +33,200 @@
27	33	//Modal Perform
28	34	add_action('wp_ajax_tutor_load_instructors_modal', array($this, 'tutor_load_instructors_modal'));
29	35	add_action('wp_ajax_tutor_add_instructors_to_course', array($this, 'tutor_add_instructors_to_course'));
30	36	add_action('wp_ajax_detach_instructor_from_course', array($this, 'detach_instructor_from_course'));
	37	+
	38	+ /**
	39	+ * Frontend Dashboard
	40	+ */
	41	+ add_action('wp_ajax_tutor_delete_dashboard_course', array($this, 'tutor_delete_dashboard_course'));
	42	+
	43	+ /**
	44	+ * Gutenberg author support
	45	+ */
	46	+ add_filter('wp_insert_post_data', array($this, 'tutor_add_gutenberg_author'), '99', 2);
	47	+
	48	+ /**
	49	+ * Frontend metabox supports for course builder
	50	+ * @since v.1.3.4
	51	+ */
	52	+ add_action('tutor/dashboard_course_builder_form_field_after', array($this, 'register_meta_box_in_frontend'));
	53	+
	54	+ /**
	55	+ * Do Stuff for the course save from frontend
	56	+ */
	57	+ add_action('save_tutor_course', array($this, 'attach_product_with_course'), 10, 2);
	58	+
	59	+ /**
	60	+ * Add course level to course settings
	61	+ * @since v.1.4.1
	62	+ */
	63	+ add_action('tutor_course/settings_tab_content/after/general', array($this, 'add_course_level_to_settings'));
	64	+
	65	+ /**
	66	+ * Enable Disable Course Details Page Feature
	67	+ * @since v.1.4.8
	68	+ */
	69	+ $this->course_elements_enable_disable();
	70	+
	71	+ /**
	72	+ * @since v.1.4.8
	73	+ * Check if course starting, set meta if starting
	74	+ */
	75	+ add_action('tutor_lesson_load_before', array($this, 'tutor_lesson_load_before'));
	76	+
	77	+ /**
	78	+ * @since v.1.4.9
	79	+ * Filter product in shop page
	80	+ */
	81	+ $this->filter_product_in_shop_page();
	82	+
	83	+ /**
	84	+ * Remove the course price if enrolled
	85	+ * @since 1.5.8
	86	+ */
	87	+ add_filter('tutor_course_price', array($this, 'remove_price_if_enrolled'));
	88	+
	89	+ /**
	90	+ * Remove course complete button if course completion is strict mode
	91	+ * @since v.1.6.1
	92	+ */
	93	+ add_filter('tutor_course/single/complete_form', array($this, 'tutor_lms_hide_course_complete_btn'));
	94	+ add_filter('get_gradebook_generate_form_html', array($this, 'get_generate_greadbook'));
	95	+
	96	+ /**
	97	+ * Add social share content in header
	98	+ * @since v.1.6.3
	99	+ */
	100	+ add_action('wp_head', array($this, 'social_share_content'));
	101	+
	102	+ /**
	103	+ * Delete course data after deleted course
	104	+ * @since v.1.6.6
	105	+ */
	106	+ add_action('deleted_post', array($this, 'delete_tutor_course_data'));
	107	+ add_action('tutor/dashboard_course_builder_form_field_after', array($this, 'tutor_course_setting_metabox_frontend'));
	108	+
	109	+ /**
	110	+ * Delete course data after deleted course
	111	+ * @since v.1.8.2
	112	+ */
	113	+ add_action('before_delete_post', array($this, 'delete_associated_enrollment'));
	114	+
	115	+ /**
	116	+ * Show only own uploads in media library if user is instructor
	117	+ * @since v1.8.9
	118	+ */
	119	+ add_filter('posts_where', array($this, 'restrict_media' ) );
31	120	}
	121	+
	122	+ function restrict_media( $where ){
	123	+
	124	+ if( isset( $_POST['action'] ) && $_POST['action'] == 'query-attachments' && tutor_utils()->is_instructor()){
	125	+ if(!tutor_utils()->has_user_role(array('administrator', 'editor'))) {
	126	+ $where .= ' AND post_author=' . get_current_user_id();
	127	+ }
	128	+ }
	129	+
	130	+ return $where;
	131	+ }
	132	+
32	133	/**
33	134	* Registering metabox
34	135	*/
35	136	public function register_meta_box(){
36	137	$coursePostType = tutor()->course_post_type;
37		-
	138	+ $course_marketplace = tutor_utils()->get_option('enable_course_marketplace');
	139	+ //add_meta_box( 'tutor-course-levels', __( 'Course Level', 'tutor' ), array($this, 'course_level_metabox'), $coursePostType );
38	140	add_meta_box( 'tutor-course-topics', __( 'Course Builder', 'tutor' ), array($this, 'course_meta_box'), $coursePostType );
39	141	add_meta_box( 'tutor-course-additional-data', __( 'Additional Data', 'tutor' ), array($this, 'course_additional_data_meta_box'), $coursePostType );
40	142	add_meta_box( 'tutor-course-videos', __( 'Video', 'tutor' ), array($this, 'video_metabox'), $coursePostType );
41		- add_meta_box( 'tutor-instructors', __( 'Instructors', 'tutor' ), array($this, 'instructors_metabox'), $coursePostType );
42		- add_meta_box( 'tutor-announcements', __( 'Announcements', 'tutor' ), array($this, 'announcements_metabox'), $coursePostType );
	143	+ if ($course_marketplace) {
	144	+ add_meta_box( 'tutor-instructors', __( 'Instructors', 'tutor' ), array( $this, 'instructors_metabox' ), $coursePostType );
	145	+ }
	146	+
	147	+ /**
	148	+ * Tutor course sidebar settings metabox
	149	+ * @since v.1.7.0
	150	+ */
	151	+ add_meta_box( 'tutor-course-sidebar-settings', __( 'Tutor Settings', 'tutor' ), array($this, 'tutor_course_setting_metabox'), $coursePostType, 'side' );
43	152	}
44		- public function course_meta_box(){
	153	+
	154	+ public function course_meta_box($echo = true){
	155	+ ob_start();
45	156	include tutor()->path.'views/metabox/course-topics.php';
	157	+ $content = ob_get_clean();
	158	+
	159	+ if ($echo){
	160	+ echo $content;
	161	+ }else{
	162	+ return $content;
	163	+ }
46	164	}
47		- public function course_additional_data_meta_box(){
	165	+
	166	+ public function course_additional_data_meta_box($echo = true){
	167	+
	168	+ ob_start();
48	169	include tutor()->path.'views/metabox/course-additional-data.php';
	170	+ $content = ob_get_clean();
	171	+
	172	+ if ($echo){
	173	+ echo $content;
	174	+ }else{
	175	+ return $content;
	176	+ }
49	177	}
50		- public function video_metabox(){
	178	+
	179	+ public function video_metabox($echo = true){
	180	+ ob_start();
51	181	include tutor()->path.'views/metabox/video-metabox.php';
	182	+ $content = ob_get_clean();
	183	+
	184	+ if ($echo){
	185	+ echo $content;
	186	+ }else{
	187	+ return $content;
	188	+ }
52	189	}
53	190
54		- public function announcements_metabox(){
55		- include tutor()->path.'views/metabox/announcements-metabox.php';
	191	+ public function course_level_metabox($echo = true){
	192	+ ob_start();
	193	+ include tutor()->path.'views/metabox/course-level-metabox.php';
	194	+ $content = ob_get_clean();
	195	+
	196	+ if ($echo){
	197	+ echo $content;
	198	+ }else{
	199	+ return $content;
	200	+ }
56	201	}
57	202
58		- public function instructors_metabox(){
59		- include tutor()->path.'views/metabox/instructors-metabox.php';
	203	+ public function instructors_metabox($echo = true){
	204	+ ob_start();
	205	+ include tutor()->path . 'views/metabox/instructors-metabox.php';
	206	+ $content = ob_get_clean();
	207	+
	208	+ if ($echo){
	209	+ echo $content;
	210	+ }else{
	211	+ return $content;
	212	+ }
60	213	}
61	214
62	215	/**
	216	+ * Register metabox in course builder tutor
	217	+ * @since v.1.3.4
	218	+ */
	219	+ public function register_meta_box_in_frontend(){
	220	+ do_action('tutor_course_builder_metabox_before', get_the_ID());
	221	+ course_builder_section_wrap($this->video_metabox($echo = false), __( 'Video', 'tutor' ) );
	222	+ course_builder_section_wrap($this->course_meta_box($echo = false), __( 'Course Builder', 'tutor' ) );
	223	+ course_builder_section_wrap($this->instructors_metabox($echo = false), __( 'Instructors', 'tutor' ) );
	224	+ course_builder_section_wrap($this->course_additional_data_meta_box($echo = false), __( 'Additional Data', 'tutor' ) );
	225	+ do_action('tutor_course_builder_metabox_after', get_the_ID());
	226	+ }
	227	+
	228	+ /**
63	229	* @param $post_ID
64	230	*
65	231	* Insert Topic and attached it with Course
66	232	*/
		@@ -65,29 +231,22 @@
65	231	* Insert Topic and attached it with Course
66	232	*/
67	233	public function save_course_meta($post_ID, $post){
68	234	global $wpdb;
	235	+
	236	+ do_action( "tutor_save_course", $post_ID, $post);
	237	+
69	238	/**
70		- * Insert Topic
	239	+ * Save course price type
71	240	*/
72		- if ( ! empty($_POST['topic_title'])) {
73		- $topic_title = sanitize_text_field( $_POST['topic_title'] );
74		- $topic_summery = wp_kses_post( $_POST['topic_summery'] );
75		-
76		- $post_arr = array(
77		- 'post_type' => 'topics',
78		- 'post_title' => $topic_title,
79		- 'post_content' => $topic_summery,
80		- 'post_status' => 'publish',
81		- 'post_author' => get_current_user_id(),
82		- 'post_parent' => $post_ID,
83		- );
84		- wp_insert_post( $post_arr );
	241	+ $price_type = tutils()->array_get('tutor_course_price_type', $_POST);
	242	+ if ($price_type){
	243	+ update_post_meta($post_ID, '_tutor_course_price_type', $price_type);
85	244	}
86	245
87	246	//Course Duration
88	247	if ( ! empty($_POST['course_duration'])){
89		- $video = tutor_utils()->sanitize_array($_POST['course_duration']);
	248	+ $video = tutils()->sanitize_array($_POST['course_duration']);
90	249	update_post_meta($post_ID, '_course_duration', $video);
91	250	}
92	251
93	252	if ( ! empty($_POST['course_level'])){
		@@ -94,27 +253,40 @@
94	253	$course_level = sanitize_text_field($_POST['course_level']);
95	254	update_post_meta($post_ID, '_tutor_course_level', $course_level);
96	255	}
97	256
98		- if ( ! empty($_POST['course_benefits'])){
99		- $course_benefits = wp_kses_post($_POST['course_benefits']);
100		- update_post_meta($post_ID, '_tutor_course_benefits', $course_benefits);
101		- }
	257	+ $additional_data_edit = tutils()->avalue_dot('_tutor_course_additional_data_edit', $_POST);
	258	+ if ($additional_data_edit) {
	259	+ if (!empty($_POST['course_benefits'])) {
	260	+ $course_benefits = wp_kses_post($_POST['course_benefits']);
	261	+ update_post_meta($post_ID, '_tutor_course_benefits', $course_benefits);
	262	+ } else {
	263	+ delete_post_meta($post_ID, '_tutor_course_benefits');
	264	+ }
102	265
103		- if ( ! empty($_POST['course_requirements'])){
104		- $requirements = wp_kses_post($_POST['course_requirements']);
105		- update_post_meta($post_ID, '_tutor_course_requirements', $requirements);
	266	+ if (!empty($_POST['course_requirements'])) {
	267	+ $requirements = wp_kses_post($_POST['course_requirements']);
	268	+ update_post_meta($post_ID, '_tutor_course_requirements', $requirements);
	269	+ } else {
	270	+ delete_post_meta($post_ID, '_tutor_course_requirements');
	271	+ }
	272	+
	273	+ if (!empty($_POST['course_target_audience'])) {
	274	+ $target_audience = wp_kses_post($_POST['course_target_audience']);
	275	+ update_post_meta($post_ID, '_tutor_course_target_audience', $target_audience);
	276	+ } else {
	277	+ delete_post_meta($post_ID, '_tutor_course_target_audience');
	278	+ }
	279	+
	280	+ if (!empty($_POST['course_material_includes'])) {
	281	+ $material_includes = wp_kses_post($_POST['course_material_includes']);
	282	+ update_post_meta($post_ID, '_tutor_course_material_includes', $material_includes);
	283	+ } else {
	284	+ delete_post_meta($post_ID, '_tutor_course_material_includes');
	285	+ }
106	286	}
107	287
108		- if ( ! empty($_POST['course_target_audience'])){
109		- $target_audience = wp_kses_post($_POST['course_target_audience']);
110		- update_post_meta($post_ID, '_tutor_course_target_audience', $target_audience);
111		- }
112	288
113		- if ( ! empty($_POST['course_material_includes'])){
114		- $material_includes = wp_kses_post($_POST['course_material_includes']);
115		- update_post_meta($post_ID, '_tutor_course_material_includes', $material_includes);
116		- }
117	289	/**
118	290	* Sorting Topics and lesson
119	291	*/
120	292	if ( ! empty($_POST['tutor_topics_lessons_sorting'])){
		@@ -161,14 +333,16 @@
161	333	}
162	334	}
163	335	}
164	336	}
165		-
166		-
167		- //Video
168		- if ( ! empty($_POST['video']['source'])){
169		- $video = tutor_utils()->sanitize_array($_POST['video']);
170		- update_post_meta($post_ID, '_video', $video);
	337	+
	338	+ if ($additional_data_edit) {
	339	+ if ( ! empty($_POST['video']['source'])) { //Video
	340	+ $video = tutor_utils()->array_get('video', $_POST);
	341	+ update_post_meta($post_ID, '_video', $video);
	342	+ }else{
	343	+ delete_post_meta($post_ID, '_video');
	344	+ }
171	345	}
172	346
173	347	/**
174	348	* Adding author to instructor automatically
		@@ -174,29 +348,27 @@
174	348	* Adding author to instructor automatically
175	349	*/
176	350
177	351	$author_id = $post->post_author;
178		- $attached = (int) $wpdb->get_var(" SELECT COUNT(umeta_id) FROM {$wpdb->usermeta} WHERE user_id = {$author_id} AND meta_key = '_tutor_instructor_course_id' AND meta_value = {$post_ID} ");
	352	+ $attached = (int) $wpdb->get_var($wpdb->prepare(
	353	+ "SELECT COUNT(umeta_id) FROM {$wpdb->usermeta}
	354	+ WHERE user_id = %d AND meta_key = '_tutor_instructor_course_id' AND meta_value = %d ", $author_id, $post_ID));
	355	+
179	356	if ( ! $attached){
180	357	add_user_meta($author_id, '_tutor_instructor_course_id', $post_ID);
181	358	}
182	359
183		- //Announcements
184		- $announcement_title = tutor_utils()->avalue_dot('announcements.title', $_POST );
185		- if ( ! empty($announcement_title)){
186		- $title = sanitize_text_field(tutor_utils()->avalue_dot('announcements.title', $_POST ));
187		- $content = wp_kses_post(tutor_utils()->avalue_dot('announcements.content', $_POST ));
	360	+ /**
	361	+ * Disable question and answer for this course
	362	+ * @since 1.7.0
	363	+ */
	364	+ if ($additional_data_edit) {
	365	+ foreach($this->additional_meta as $key){
	366	+ update_post_meta($post_ID, $key, (isset($_POST[$key]) ? 'yes' : 'no'));
	367	+ }
	368	+ }
188	369
189		- $post_arr = array(
190		- 'post_type' => 'tutor_announcements',
191		- 'post_title' => $title,
192		- 'post_content' => $content,
193		- 'post_status' => 'publish',
194		- 'post_author' => get_current_user_id(),
195		- 'post_parent' => $post_ID,
196		- );
197		- wp_insert_post( $post_arr );
198		- }
	370	+ do_action( "tutor_save_course_after", $post_ID, $post);
199	371	}
200	372
201	373	/**
202	374	* Tutor add course topic
		@@ -201,13 +373,19 @@
201	373	/**
202	374	* Tutor add course topic
203	375	*/
204	376	public function tutor_add_course_topic(){
205		- if (empty($_POST['topic_title'])) {
	377	+ tutils()->checking_nonce();
	378	+
	379	+ if (empty($_POST['topic_title']) ) {
206	380	wp_send_json_error();
207	381	}
208	382	$course_id = (int) tutor_utils()->avalue_dot('tutor_topic_course_ID', $_POST);
209	383	$next_topic_order_id = tutor_utils()->get_next_topic_order_id($course_id);
	384	+
	385	+ if(!tutils()->can_user_manage('course', $course_id)) {
	386	+ wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
	387	+ }
210	388
211	389	$topic_title = sanitize_text_field( $_POST['topic_title'] );
212	390	$topic_summery = wp_kses_post( $_POST['topic_summery'] );
213	391
		@@ -232,12 +410,18 @@
232	410	/**
233	411	* Update the topic
234	412	*/
235	413	public function tutor_update_topic(){
	414	+ tutils()->checking_nonce();
	415	+
236	416	$topic_id = (int) sanitize_text_field($_POST['topic_id']);
237	417	$topic_title = sanitize_text_field($_POST['topic_title']);
238	418	$topic_summery = wp_kses_post($_POST['topic_summery']);
239	419
	420	+ if(!tutils()->can_user_manage('topic', $topic_id)) {
	421	+ wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
	422	+ }
	423	+
240	424	$topic_attr = array(
241	425	'ID' => $topic_id,
242	426	'post_title' => $topic_title,
243	427	'post_content' => $topic_summery,
		@@ -254,9 +438,8 @@
254	438	* @return mixed
255	439	*
256	440	* Add Lesson column
257	441	*/
258		-
259	442	public function add_column($columns){
260	443	$date_col = $columns['date'];
261	444	unset($columns['date']);
262	445	$columns['lessons'] = __('Lessons', 'tutor');
		@@ -282,17 +465,17 @@
282	465	}
283	466
284	467	if ($column === 'price'){
285	468	$price = tutor_utils()->get_course_price($post_id);
286		-
287	469	if ($price){
288		- if (function_exists('wc_price')){
	470	+ $monetize_by = tutils()->get_option('monetize_by');
	471	+ if (function_exists('wc_price') && $monetize_by === 'wc'){
289	472	echo '<span class="tutor-label-success">'.wc_price($price).'</span>';
290	473	}else{
291	474	echo '<span class="tutor-label-success">'.$price.'</span>';
292	475	}
293	476	}else{
294		- echo 'free';
	477	+ echo apply_filters('tutor-loop-default-price', 'free');
295	478	}
296	479	}
297	480	}
298	481
		@@ -297,15 +480,13 @@
297	480	}
298	481
299	482
300	483	public function tutor_delete_topic(){
301		- if (!isset($_GET[tutor()->nonce]) || !wp_verify_nonce($_GET[tutor()->nonce], tutor()->nonce_action)) {
302		- exit();
303		- }
304		- if ( ! isset($_GET['topic_id'])){
305		- exit();
306		- }
307	484
	485	+ tutils()->checking_nonce('get');
	486	+
	487	+ !isset($_GET['topic_id']) ? exit() : 0;
	488	+
308	489	global $wpdb;
309	490
310	491	$topic_id = (int) sanitize_text_field($_GET['topic_id']);
311	492	$wpdb->update(
		@@ -332,10 +513,11 @@
332	513	wp_safe_redirect(wp_get_referer());
333	514	}
334	515
335	516	public function enroll_now(){
	517	+
336	518	//Checking if action comes from Enroll form
337		- if ( ! isset($_POST['tutor_course_action']) || $_POST['tutor_course_action'] !== '_tutor_course_enroll_now' || ! isset($_POST['tutor_course_id']) ){
	519	+ if (tutor_utils()->array_get('tutor_course_action', $_POST) !== '_tutor_course_enroll_now' || ! isset($_POST['tutor_course_id']) ){
338	520	return;
339	521	}
340	522	//Checking Nonce
341	523	tutor_utils()->checking_nonce();
		@@ -401,14 +583,17 @@
401	583	*/
402	584
403	585	global $wpdb;
404	586
405		- $date = date("Y-m-d H:i:s");
	587	+ $date = date("Y-m-d H:i:s", tutor_time());
406	588
407	589	//Making sure that, hash is unique
408	590	do{
409	591	$hash = substr(md5(wp_generate_password(32).$date.$course_id.$user_id), 0, 16);
410		- $hasHash = (int) $wpdb->get_var("SELECT COUNT(comment_ID) from {$wpdb->comments} WHERE comment_agent = 'TutorLMSPlugin' AND comment_type = 'course_completed' AND comment_content = '{$hash}' ");
	592	+ $hasHash = (int) $wpdb->get_var($wpdb->prepare(
	593	+ "SELECT COUNT(comment_ID) from {$wpdb->comments}
	594	+ WHERE comment_agent = 'TutorLMSPlugin' AND comment_type = 'course_completed' AND comment_content = %s ", $hash));
	595	+
411	596	}while($hasHash > 0);
412	597
413	598	$data = array(
414	599	'comment_post_ID' => $course_id,
		@@ -423,9 +608,9 @@
423	608	);
424	609
425	610	$wpdb->insert($wpdb->comments, $data);
426	611
427		- do_action('tutor_course_complete_after', $course_id);
	612	+ do_action('tutor_course_complete_after', $course_id, $user_id);
428	613
429	614	wp_redirect(get_the_permalink($course_id));
430	615	}
431	616
		@@ -430,18 +615,22 @@
430	615	}
431	616
432	617
433	618	public function tutor_load_instructors_modal(){
	619	+ tutils()->checking_nonce();
	620	+
434	621	global $wpdb;
435	622
436	623	$course_id = (int) sanitize_text_field($_POST['course_id']);
437	624	$search_terms = sanitize_text_field(tutor_utils()->avalue_dot('search_terms', $_POST));
438	625
	626	+ if(!tutils()->can_user_manage('course', $course_id)) {
	627	+ wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
	628	+ }
	629	+
439	630	$saved_instructors = tutor_utils()->get_instructors_by_course($course_id);
440		-
441	631	$instructors = array();
442	632
443		-
444	633	$not_in_sql = apply_filters('tutor_instructor_query_when_exists', " AND ID <1 ");
445	634
446	635	if ($saved_instructors){
447	636	$saved_instructors_ids = wp_list_pluck($saved_instructors, 'ID');
		@@ -450,14 +639,14 @@
450	639	}
451	640
452	641	$search_sql = '';
453	642	if ($search_terms){
454		- $search_sql = "AND user_login like '%{$search_terms}%' or user_nicename like '%{$search_terms}%' or display_name like '%{$search_terms}%' ";
	643	+ $search_sql = "AND (user_login like '%{$search_terms}%' or user_nicename like '%{$search_terms}%' or display_name like '%{$search_terms}%') ";
455	644	}
456	645
457	646	$instructors = $wpdb->get_results("select ID, display_name from {$wpdb->users}
458	647	INNER JOIN {$wpdb->usermeta} ON ID = user_id AND meta_key = '_tutor_instructor_status' AND meta_value = 'approved'
459		- WHERE ID > 0 {$not_in_sql} {$search_sql} limit 10 ");
	648	+ WHERE 1=1 {$not_in_sql} {$search_sql} limit 10 ");
460	649
461	650	$output = '';
462	651	if (is_array($instructors) && count($instructors)){
463	652	$instructor_output = '';
		@@ -465,12 +654,11 @@
465	654	$instructor_output .= "<p><label><input type='radio' name='tutor_instructor_ids[]' value='{$instructor->ID}' > {$instructor->display_name} </label></p>";
466	655	}
467	656
468	657	$output .= apply_filters('tutor_course_instructors_html', $instructor_output, $instructors);
469		- $output .= '<p class="quiz-search-suggest-text">'.__('Search to get the specific instructors', 'tutor').'</p>';
470	658
471	659	}else{
472		- $output .= __('No instructor available or you have already added maximum instructors', 'tutor');
	660	+ $output .= __('<p>No instructor available or you have already added maximum instructors</p>', 'tutor');
473	661	}
474	662
475	663
476	664	if ( ! defined('TUTOR_MT_VERSION')){
		@@ -480,10 +668,16 @@
480	668	wp_send_json_success(array('output' => $output));
481	669	}
482	670
483	671	public function tutor_add_instructors_to_course(){
	672	+ tutils()->checking_nonce();
	673	+
484	674	$course_id = (int) sanitize_text_field($_POST['course_id']);
485	675	$instructor_ids = tutor_utils()->avalue_dot('tutor_instructor_ids', $_POST);
	676	+
	677	+ if(!tutils()->can_user_manage('course', $course_id)) {
	678	+ wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
	679	+ }
486	680
487	681	if (is_array($instructor_ids) && count($instructor_ids)){
488	682	foreach ($instructor_ids as $instructor_id){
489	683	add_user_meta($instructor_id, '_tutor_instructor_course_id', $course_id);
		@@ -499,9 +693,9 @@
499	693	$output .= '<div id="added-instructor-id-'.$t->ID.'" class="added-instructor-item added-instructor-item-'.$t->ID.'" data-instructor-id="'.$t->ID.'">
500	694	<span class="instructor-icon">'.get_avatar($t->ID, 30).'</span>
501	695	<span class="instructor-name"> '.$t->display_name.' </span>
502	696	<span class="instructor-control">
503		- <a href="javascript:;" class="tutor-instructor-delete-btn"><i class="tutor-icon-garbage"></i></a>
	697	+ <a href="javascript:;" class="tutor-instructor-delete-btn"><i class="tutor-icon-line-cross"></i></a>
504	698	</span>
505	699	</div>';
506	700	}
507	701	}
		@@ -509,15 +703,595 @@
509	703	wp_send_json_success(array('output' => $output));
510	704	}
511	705
512	706	public function detach_instructor_from_course(){
	707	+ tutils()->checking_nonce();
	708	+
513	709	global $wpdb;
514	710
515	711	$instructor_id = (int) sanitize_text_field($_POST['instructor_id']);
516	712	$course_id = (int) sanitize_text_field($_POST['course_id']);
517	713
	714	+ if(!tutils()->can_user_manage('course', $course_id)) {
	715	+ wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
	716	+ }
	717	+
518	718	$wpdb->delete($wpdb->usermeta, array('user_id' => $instructor_id, 'meta_key' => '_tutor_instructor_course_id', 'meta_value' => $course_id) );
519	719	wp_send_json_success();
520	720	}
521	721
	722	+ public function tutor_delete_dashboard_course(){
	723	+ tutils()->checking_nonce();
522	724
	725	+ $course_id = intval(sanitize_text_field($_POST['course_id']));
	726	+
	727	+ if(!tutils()->can_user_manage('course', $course_id)) {
	728	+ wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
	729	+ }
	730	+
	731	+ wp_trash_post($course_id);
	732	+ wp_send_json_success(['element'=>'course']);
	733	+ }
	734	+
	735	+
	736	+ public function tutor_add_gutenberg_author($data , $postarr){
	737	+ global $wpdb;
	738	+
	739	+ $courses_post_type = tutor()->course_post_type;
	740	+ $post_type = tutils()->array_get('post_type', $postarr);
	741	+
	742	+ if ($courses_post_type === $post_type){
	743	+ $post_ID = (int) tutor_utils()->avalue_dot('ID', $postarr);
	744	+ $post_author = (int) $wpdb->get_var($wpdb->prepare("SELECT post_author FROM {$wpdb->posts} WHERE ID = %d ", $post_ID));
	745	+
	746	+ if ($post_author > 0){
	747	+ $data['post_author'] = $post_author;
	748	+ }else{
	749	+ $data['post_author'] = get_current_user_id();
	750	+ }
	751	+ }
	752	+
	753	+ return $data;
	754	+ }
	755	+
	756	+
	757	+ /**
	758	+ * @param $post_ID
	759	+ * @param $postData
	760	+ *
	761	+ * Attach product during save course from the frontend course dashboard.
	762	+ *
	763	+ * @return string
	764	+ *
	765	+ * @since v.1.3.4
	766	+ */
	767	+ public function attach_product_with_course($post_ID, $postData){
	768	+ $attached_product_id = tutor_utils()->get_course_product_id($post_ID);
	769	+ $course_price = sanitize_text_field(tutor_utils()->array_get('course_price', $_POST));
	770	+
	771	+ if ( ! $course_price){
	772	+ return;
	773	+ }
	774	+
	775	+ $monetize_by = tutor_utils()->get_option('monetize_by');
	776	+ $course = get_post($post_ID);
	777	+
	778	+ if ($monetize_by === 'wc'){
	779	+
	780	+ $is_update = false;
	781	+ if ($attached_product_id){
	782	+ $wc_product = get_post_meta($attached_product_id, '_product_version', true);
	783	+ if ($wc_product){
	784	+ $is_update = true;
	785	+ }
	786	+ }
	787	+
	788	+ if ($is_update) {
	789	+ $productObj = wc_get_product($attached_product_id);
	790	+ $productObj->set_price($course_price); // set product price
	791	+ $productObj->set_regular_price($course_price); // set product regular price
	792	+ $product_id = $productObj->save();
	793	+ if($productObj->is_type('subscription')) {
	794	+ update_post_meta( $attached_product_id, '_subscription_price', $course_price );
	795	+ }
	796	+ } else {
	797	+ $productObj = new \WC_Product();
	798	+ $productObj->set_name($course->post_title);
	799	+ $productObj->set_status('publish');
	800	+ $productObj->set_price($course_price); // set product price
	801	+ $productObj->set_regular_price($course_price); // set product regular price
	802	+
	803	+ $product_id = $productObj->save();
	804	+ if ($product_id) {
	805	+ update_post_meta( $post_ID, '_tutor_course_product_id', $product_id );
	806	+ //Mark product for woocommerce
	807	+ update_post_meta( $product_id, '_virtual', 'yes' );
	808	+ update_post_meta( $product_id, '_tutor_product', 'yes' );
	809	+
	810	+ $coursePostThumbnail = get_post_meta( $post_ID, '_thumbnail_id', true );
	811	+ if ( $coursePostThumbnail ) {
	812	+ set_post_thumbnail( $product_id, $coursePostThumbnail );
	813	+ }
	814	+ }
	815	+ }
	816	+
	817	+ }elseif ($monetize_by === 'edd'){
	818	+
	819	+ $is_update = false;
	820	+
	821	+ if ($attached_product_id){
	822	+ $edd_price = get_post_meta($attached_product_id, 'edd_price', true);
	823	+ if ($edd_price){
	824	+ $is_update = true;
	825	+ }
	826	+ }
	827	+
	828	+ if ($is_update){
	829	+ //Update the product
	830	+ update_post_meta( $attached_product_id, 'edd_price', $course_price );
	831	+ }else{
	832	+ //Create new product
	833	+
	834	+ $post_arr = array(
	835	+ 'post_type' => 'download',
	836	+ 'post_title' => $course->post_title,
	837	+ 'post_status' => 'publish',
	838	+ 'post_author' => get_current_user_id(),
	839	+ );
	840	+ $download_id = wp_insert_post( $post_arr );
	841	+ if ($download_id ) {
	842	+ //edd_price
	843	+ update_post_meta( $download_id, 'edd_price', $course_price );
	844	+
	845	+ update_post_meta( $post_ID, '_tutor_course_product_id', $download_id );
	846	+ //Mark product for EDD
	847	+ update_post_meta( $download_id, '_tutor_product', 'yes' );
	848	+
	849	+ $coursePostThumbnail = get_post_meta( $post_ID, '_thumbnail_id', true );
	850	+ if ( $coursePostThumbnail ) {
	851	+ set_post_thumbnail( $download_id, $coursePostThumbnail );
	852	+ }
	853	+
	854	+ }
	855	+
	856	+ }
	857	+
	858	+
	859	+ }
	860	+
	861	+ }
	862	+
	863	+
	864	+ /**
	865	+ * Add Course level to course settings
	866	+ * @since v.1.4.1
	867	+ */
	868	+ public function add_course_level_to_settings(){
	869	+ include tutor()->path.'views/metabox/course-level-metabox.php';
	870	+ }
	871	+
	872	+ /**
	873	+ * Check if course starting
	874	+ *
	875	+ * @since v.1.4.8
	876	+ */
	877	+ public function tutor_lesson_load_before(){
	878	+ $course_id = tutils()->get_course_id_by_content(get_the_ID());
	879	+ $completed_lessons = tutor_utils()->get_completed_lesson_count_by_course($course_id);
	880	+ if (is_user_logged_in()){
	881	+ $is_course_started = get_post_meta($course_id, '_tutor_course_started', true);
	882	+ if ( ! $completed_lessons && ! $is_course_started){
	883	+ update_post_meta($course_id, '_tutor_course_started', tutor_time());
	884	+ do_action('tutor/course/started', $course_id);
	885	+ }
	886	+ }
	887	+ }
	888	+
	889	+ /**
	890	+ * Add Course level to course settings
	891	+ * @since v.1.4.8
	892	+ */
	893	+ public function course_elements_enable_disable(){
	894	+ add_filter('tutor_course/single/completing-progress-bar', array($this, 'enable_disable_course_progress_bar') );
	895	+ add_filter('tutor_course/single/material_includes', array($this, 'enable_disable_material_includes') );
	896	+ add_filter('tutor_course/single/content', array($this, 'enable_disable_course_content') );
	897	+ add_filter('tutor_course/single/benefits_html', array($this, 'enable_disable_course_benefits') );
	898	+ add_filter('tutor_course/single/requirements_html', array($this, 'enable_disable_course_requirements') );
	899	+ add_filter('tutor_course/single/audience_html', array($this, 'enable_disable_course_target_audience') );
	900	+ add_filter('tutor_course/single/enrolled/nav_items', array($this, 'enable_disable_course_nav_items') );
	901	+ }
	902	+
	903	+ /**
	904	+ * Enable disable course progress bar
	905	+ * @since v.1.4.8
	906	+ */
	907	+ public function enable_disable_course_progress_bar($html){
	908	+ $disable_option = (bool) get_tutor_option('disable_course_progress_bar');
	909	+ if($disable_option){
	910	+ return '';
	911	+ }
	912	+ return $html;
	913	+ }
	914	+
	915	+ /**
	916	+ * Enable disable material includes
	917	+ * @since v.1.4.8
	918	+ */
	919	+ public function enable_disable_material_includes($html){
	920	+ $disable_option = (bool) get_tutor_option('disable_course_material');
	921	+ if($disable_option){
	922	+ return '';
	923	+ }
	924	+ return $html;
	925	+ }
	926	+
	927	+ /**
	928	+ * Enable disable course content
	929	+ * @since v.1.4.8
	930	+ */
	931	+ public function enable_disable_course_content($html){
	932	+ $disable_option = (bool) get_tutor_option('disable_course_description');
	933	+ if($disable_option){
	934	+ return '';
	935	+ }
	936	+ return $html;
	937	+ }
	938	+
	939	+ /**
	940	+ * Enable disable course benefits
	941	+ * @since v.1.4.8
	942	+ */
	943	+ public function enable_disable_course_benefits($html){
	944	+ $disable_option = (bool) get_tutor_option('disable_course_benefits');
	945	+ if($disable_option){
	946	+ return '';
	947	+ }
	948	+ return $html;
	949	+ }
	950	+
	951	+ /**
	952	+ * Enable disable course requirements
	953	+ * @since v.1.4.8
	954	+ */
	955	+ public function enable_disable_course_requirements($html){
	956	+ $disable_option = (bool) get_tutor_option('disable_course_requirements');
	957	+ if($disable_option){
	958	+ return '';
	959	+ }
	960	+ return $html;
	961	+ }
	962	+
	963	+ /**
	964	+ * Enable disable course target audience
	965	+ * @since v.1.4.8
	966	+ */
	967	+ public function enable_disable_course_target_audience($html){
	968	+ $disable_option = (bool) get_tutor_option('disable_course_target_audience');
	969	+ if($disable_option){
	970	+ return '';
	971	+ }
	972	+ return $html;
	973	+ }
	974	+
	975	+ /**
	976	+ * Enable disable course nav items
	977	+ * @since v.1.4.8
	978	+ */
	979	+ public function enable_disable_course_nav_items($items){
	980	+ global $wp_query, $post;
	981	+ $enable_q_and_a_on_course = (bool) get_tutor_option('enable_q_and_a_on_course');
	982	+ $disable_course_announcements = (bool) get_tutor_option('disable_course_announcements');
	983	+
	984	+ $disable_qa_for_this_course = ($wp_query->is_single && !empty($post)) ? get_post_meta($post->ID, '_tutor_disable_qa', true) : '';
	985	+
	986	+ if(!$enable_q_and_a_on_course || $disable_qa_for_this_course == 'yes') {
	987	+ if(tutils()->array_get('questions', $items)) {
	988	+ unset($items['questions']);
	989	+ }
	990	+ }
	991	+ if($disable_course_announcements){
	992	+ if(tutils()->array_get('announcements', $items)) {
	993	+ unset($items['announcements']);
	994	+ }
	995	+ }
	996	+ return $items;
	997	+ }
	998	+
	999	+ /**
	1000	+ * Filter product in shop page
	1001	+ * @since v.1.4.9
	1002	+ */
	1003	+ public function filter_product_in_shop_page(){
	1004	+ $hide_course_from_shop_page = (bool) get_tutor_option('hide_course_from_shop_page');
	1005	+ if(!$hide_course_from_shop_page){
	1006	+ return;
	1007	+ }
	1008	+ add_action('woocommerce_product_query', array($this, 'filter_woocommerce_product_query'));
	1009	+ add_filter('edd_downloads_query', array($this, 'filter_edd_downloads_query'), 10, 2);
	1010	+ add_action('pre_get_posts', array($this, 'filter_archive_meta_query'), 1);
	1011	+ }
	1012	+
	1013	+ /**
	1014	+ * Tutor product meta query
	1015	+ * @since v.1.4.9
	1016	+ */
	1017	+ public function tutor_product_meta_query(){
	1018	+ $meta_query = array(
	1019	+ 'key' => '_tutor_product',
	1020	+ 'compare' => 'NOT EXISTS'
	1021	+ );
	1022	+ return $meta_query;
	1023	+ }
	1024	+
	1025	+ /**
	1026	+ * Filter product in woocommerce shop page
	1027	+ * @since v.1.4.9
	1028	+ */
	1029	+ public function filter_woocommerce_product_query($wp_query){
	1030	+ $wp_query->set('meta_query', array($this->tutor_product_meta_query()));
	1031	+ return $wp_query;
	1032	+ }
	1033	+
	1034	+ /**
	1035	+ * Filter product in edd downloads shortcode page
	1036	+ * @since v.1.4.9
	1037	+ */
	1038	+ public function filter_edd_downloads_query($query){
	1039	+ $query['meta_query'][] = $this->tutor_product_meta_query();
	1040	+ return $query;
	1041	+ }
	1042	+
	1043	+ /**
	1044	+ * Filter product in edd downloads archive page
	1045	+ * @since v.1.4.9
	1046	+ */
	1047	+ public function filter_archive_meta_query($wp_query){
	1048	+ if(!is_admin() && $wp_query->is_archive && $wp_query->get('post_type') === 'download'){
	1049	+ $wp_query->set('meta_query', array($this->tutor_product_meta_query()));
	1050	+ }
	1051	+ return $wp_query;
	1052	+ }
	1053	+
	1054	+ /**
	1055	+ * @param $html
	1056	+ * @return string
	1057	+ *
	1058	+ * Removed course price if already enrolled at single course
	1059	+ *
	1060	+ * @since v.1.5.8
	1061	+ */
	1062	+ public function remove_price_if_enrolled($html){
	1063	+ $should_removed = apply_filters('should_remove_price_if_enrolled', true);
	1064	+
	1065	+ if ($should_removed){
	1066	+ $course_id = get_the_ID();
	1067	+ $enrolled = tutils()->is_enrolled($course_id);
	1068	+ if ($enrolled){
	1069	+ $html = '';
	1070	+ }
	1071	+ }
	1072	+ return $html;
	1073	+ }
	1074	+
	1075	+ /**
	1076	+ * @param $html
	1077	+ * @return string
	1078	+ *
	1079	+ * Check if all lessons and quizzes done before mark course complete.
	1080	+ */
	1081	+ function tutor_lms_hide_course_complete_btn($html){
	1082	+
	1083	+ $completion_mode = tutils()->get_option('course_completion_process');
	1084	+ if ($completion_mode !== 'strict'){
	1085	+ return $html;
	1086	+ }
	1087	+
	1088	+ $completed_lesson = tutils()->get_completed_lesson_count_by_course();
	1089	+ $lesson_count = tutils()->get_lesson_count_by_course();
	1090	+
	1091	+ if ($completed_lesson < $lesson_count){
	1092	+ return '<p class="suggestion-before-course-complete">'.__('complete all lessons to mark this course as complete', 'tutor').'</p>';
	1093	+ }
	1094	+
	1095	+ $quizzes = array();
	1096	+
	1097	+ $course_contents = tutils()->get_course_contents_by_id();
	1098	+ if (tutils()->count($course_contents)){
	1099	+ foreach ($course_contents as $content){
	1100	+ if ($content->post_type === 'tutor_quiz'){
	1101	+ $quizzes[] = $content;
	1102	+ }
	1103	+ }
	1104	+ }
	1105	+
	1106	+ $is_pass = true;
	1107	+ $required_quiz_pass = 0;
	1108	+
	1109	+ if (tutils()->count($quizzes)){
	1110	+ foreach ($quizzes as $quiz){
	1111	+
	1112	+ $attempt = tutils()->get_quiz_attempt($quiz->ID);
	1113	+ if ($attempt) {
	1114	+ $passing_grade = tutor_utils()->get_quiz_option($quiz->ID, 'passing_grade', 0);
	1115	+ $earned_percentage = $attempt->earned_marks > 0 ? (number_format(($attempt->earned_marks * 100) / $attempt->total_marks)) : 0;
	1116	+
	1117	+ if ($earned_percentage < $passing_grade) {
	1118	+ $required_quiz_pass++;
	1119	+ $is_pass = false;
	1120	+ }
	1121	+ }else{
	1122	+ $required_quiz_pass++;
	1123	+ $is_pass = false;
	1124	+ }
	1125	+ }
	1126	+ }
	1127	+
	1128	+ if ( ! $is_pass){
	1129	+ return '<p class="suggestion-before-course-complete">'.sprintf(__('You have to pass %s quizzes to complete this course.', 'tutor'), $required_quiz_pass).'</p>';
	1130	+ }
	1131	+
	1132	+ return $html;
	1133	+ }
	1134	+
	1135	+ public function get_generate_greadbook($html){
	1136	+ if ( ! tutils()->is_completed_course()){
	1137	+ return '';
	1138	+ }
	1139	+ return $html;
	1140	+ }
	1141	+
	1142	+ /**
	1143	+ * Add social share content in header
	1144	+ * @since v.1.6.3
	1145	+ */
	1146	+ public function social_share_content(){
	1147	+ global $wp_query, $post;
	1148	+ if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === $this->course_post_type) { ?>
	1149	+ <!--Facebook-->
	1150	+ <meta property="og:type" content="website"/>
	1151	+ <meta property="og:image" content="<?php echo get_tutor_course_thumbnail_src(); ?>" />
	1152	+ <meta property="og:description" content="<?php echo esc_html($post->post_content); ?>" />
	1153	+ <!--Twitter-->
	1154	+ <meta name="twitter:image" content="<?php echo get_tutor_course_thumbnail_src(); ?>">
	1155	+ <meta name="twitter:description" content="<?php echo esc_html($post->post_content); ?>">
	1156	+ <!--Google+-->
	1157	+ <meta itemprop="image" content="<?php echo get_tutor_course_thumbnail_src(); ?>">
	1158	+ <meta itemprop="description" content="<?php echo esc_html($post->post_content); ?>"> <?php
	1159	+ }
	1160	+ }
	1161	+
	1162	+ /**
	1163	+ * Get posts by type and parent
	1164	+ * @since v.1.6.6
	1165	+ */
	1166	+ public function tutor_get_post_ids($post_type, $post_parent) {
	1167	+ $args = array(
	1168	+ 'fields' => 'ids',
	1169	+ 'post_type' => $post_type,
	1170	+ 'post_parent' => $post_parent,
	1171	+ 'post_status' => 'any',
	1172	+ 'posts_per_page' => -1,
	1173	+ );
	1174	+ return get_posts($args);
	1175	+ }
	1176	+
	1177	+ /**
	1178	+ * Delete course data when permanently deleting a course.
	1179	+ * @since v.1.6.6
	1180	+ */
	1181	+ function delete_tutor_course_data( $post_id ) {
	1182	+ $course_post_type = tutor()->course_post_type;
	1183	+ $lesson_post_type = tutor()->lesson_post_type;
	1184	+
	1185	+ if (get_post_type($post_id) == $course_post_type) {
	1186	+ global $wpdb;
	1187	+ $topic_ids = $this->tutor_get_post_ids('topics', $post_id);
	1188	+ if ( !empty($topic_ids) ) {
	1189	+ foreach ($topic_ids as $topic_id) {
	1190	+ $content_post_type = apply_filters('tutor_course_contents_post_types', array($lesson_post_type, 'tutor_quiz'));
	1191	+ $topic_content_ids = $this->tutor_get_post_ids($content_post_type, $topic_id);
	1192	+
	1193	+ foreach ($topic_content_ids as $content_id) {
	1194	+ if( get_post_type($content_id) == 'tutor_quiz') {
	1195	+ $wpdb->delete($wpdb->prefix.'tutor_quiz_attempts', array('quiz_id' => $content_id));
	1196	+ $wpdb->delete($wpdb->prefix.'tutor_quiz_attempt_answers', array('quiz_id' => $content_id));
	1197	+
	1198	+ $questions_ids = $wpdb->get_col($wpdb->prepare("SELECT question_id FROM {$wpdb->prefix}tutor_quiz_questions WHERE quiz_id = %d ", $content_id));
	1199	+ if (is_array($questions_ids) && count($questions_ids)){
	1200	+ $in_question_ids = "'".implode("','", $questions_ids)."'";
	1201	+ $wpdb->query("DELETE FROM {$wpdb->prefix}tutor_quiz_question_answers WHERE belongs_question_id IN({$in_question_ids}) ");
	1202	+ }
	1203	+ $wpdb->delete($wpdb->prefix.'tutor_quiz_questions', array('quiz_id' => $content_id));
	1204	+ }
	1205	+ wp_delete_post($content_id, true);
	1206	+ }
	1207	+ wp_delete_post($topic_id, true);
	1208	+ }
	1209	+ }
	1210	+ $child_post_ids = $this->tutor_get_post_ids(array('tutor_announcements', 'tutor_enrolled'), $post_id);
	1211	+ if ( !empty($child_post_ids) ) {
	1212	+ foreach ($child_post_ids as $child_post_id) {
	1213	+ wp_delete_post($child_post_id, true);
	1214	+ }
	1215	+ }
	1216	+ }
	1217	+ }
	1218	+
	1219	+ /**
	1220	+ * tutor course setting metabox
	1221	+ * @since v.1.7.0
	1222	+ */
	1223	+ function tutor_course_setting_metabox( $post ) {
	1224	+
	1225	+ $disable_qa = $this->additional_meta[0];
	1226	+ $is_public = $this->additional_meta[1];
	1227	+
	1228	+ $disable_qa_checked = get_post_meta($post->ID, $disable_qa, true)=='yes' ? 'checked="checked"' : '';
	1229	+ $is_public_checked = get_post_meta($post->ID, $is_public, true)=='yes' ? 'checked="checked"' : '';
	1230	+
	1231	+ do_action('tutor_before_course_sidebar_settings_metabox', $post);
	1232	+ ?>
	1233	+ <div class="tutor-course-sidebar-settings-item" id="_tutor_is_course_public_meta_checkbox" style="display:none">
	1234	+ <label for="<?php echo $is_public; ?>">
	1235	+ <input id="<?php echo $is_public; ?>" type="checkbox" name="<?php echo $is_public; ?>" value="yes" <?php echo $is_public_checked; ?> />
	1236	+ <?php _e('Make This Course Public', 'tutor'); ?>
	1237	+ <small style="display:block;padding-left:24px">
	1238	+ <?php _e('No enrollment required.', 'tutor'); ?>
	1239	+ </small>
	1240	+ </label>
	1241	+ </div>
	1242	+ <div class="tutor-course-sidebar-settings-item">
	1243	+ <label for="<?php echo $disable_qa; ?>">
	1244	+ <input type="hidden" name="_tutor_course_additional_data_edit" value="true" />
	1245	+ <input id="<?php echo $disable_qa; ?>" type="checkbox" name="<?php echo $disable_qa; ?>" value="yes" <?php echo $disable_qa_checked; ?> />
	1246	+ <?php _e('Disable Q&A', 'tutor'); ?>
	1247	+ </label>
	1248	+ </div>
	1249	+ <?php
	1250	+ do_action('tutor_after_course_sidebar_settings_metabox', $post);
	1251	+ }
	1252	+
	1253	+ function tutor_course_setting_metabox_frontend( $post ){
	1254	+ ?>
	1255	+ <div class="tutor-course-builder-section tutor-course-builder-info">
	1256	+ <div class="tutor-course-builder-section-title">
	1257	+ <h3><i class="tutor-icon-down"></i><span><?php esc_html_e('Tutor Settings', 'tutor'); ?></span></h3>
	1258	+ </div>
	1259	+ <div class="tutor-course-builder-section-content">
	1260	+ <div class="tutor-frontend-builder-item-scope">
	1261	+ <div class="tutor-form-group">
	1262	+ <?php $this->tutor_course_setting_metabox($post); ?>
	1263	+ </div>
	1264	+ </div>
	1265	+ </div>
	1266	+ </div>
	1267	+ <?php
	1268	+ }
	1269	+
	1270	+ /**
	1271	+ * Delete associated enrollment
	1272	+ * @since v.1.8.2
	1273	+ */
	1274	+ public function delete_associated_enrollment($post_id) {
	1275	+ global $wpdb;
	1276	+
	1277	+ $enroll_id = $wpdb->get_var( $wpdb->prepare(
	1278	+ "SELECT
	1279	+ post_id
	1280	+ FROM
	1281	+ {$wpdb->postmeta}
	1282	+ WHERE
	1283	+ meta_key='_tutor_enrolled_by_order_id'
	1284	+ AND meta_value = %d
	1285	+ ",
	1286	+ $post_id
	1287	+ ) );
	1288	+
	1289	+ if(is_numeric($enroll_id) && $enroll_id>0) {
	1290	+
	1291	+ $course_id = get_post_field('post_parent', $enroll_id);
	1292	+ $user_id = get_post_field('post_author', $enroll_id);
	1293	+
	1294	+ tutils()->cancel_course_enrol($course_id, $user_id);
	1295	+ }
	1296	+ }
523	1297	}