tutor / classes / Ajax.php

Ajax.php in Tutor LMS – eLearning and online course solution 1.0.7, at classes/Ajax.php

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1	<?php
2	namespace TUTOR;
3
4	if ( ! defined( 'ABSPATH' ) )
5	exit;
6
7	class Ajax{
8	public function __construct() {
9	add_action('wp_ajax_sync_video_playback', array($this, 'sync_video_playback'));
10	add_action('wp_ajax_nopriv_sync_video_playback', array($this, 'sync_video_playback_noprev'));
11	add_action('wp_ajax_tutor_place_rating', array($this, 'tutor_place_rating'));
12
13	add_action('wp_ajax_tutor_ask_question', array($this, 'tutor_ask_question'));
14	add_action('wp_ajax_tutor_add_answer', array($this, 'tutor_add_answer'));
15
16	add_action('wp_ajax_tutor_course_add_to_wishlist', array($this, 'tutor_course_add_to_wishlist'));
17	add_action('wp_ajax_nopriv_tutor_course_add_to_wishlist', array($this, 'tutor_course_add_to_wishlist'));
18
19	/**
20	* Addon Enable Disable Control
21	*/
22	add_action('wp_ajax_addon_enable_disable', array($this, 'addon_enable_disable'));
23	}
24
25	/**
26	* Update video information and data when necessary
27	*
28	* @since v.1.0.0
29	*/
30	public function sync_video_playback(){
31	tutor_utils()->checking_nonce();
32
33	$duration = sanitize_text_field($_POST['duration']);
34	$currentTime = sanitize_text_field($_POST['currentTime']);
35	$post_id = sanitize_text_field($_POST['post_id']);
36
37	/**
38	* Update posts attached video
39	*/
40	$video = tutor_utils()->get_video($post_id);
41
42	if ($duration) {
43	$video['duration_sec'] = $duration; //secs
44	$video['playtime'] = tutor_utils()->playtime_string( $duration );
45	$video['runtime'] = tutor_utils()->playtime_array( $duration );
46	}
47	tutor_utils()->update_video($post_id, $video);
48
49	/**
50	* Sync Lesson Reading Info by Users
51	*/
52
53	$user_id = get_current_user_id();
54
55	$best_watch_time = tutor_utils()->get_lesson_reading_info($post_id, $user_id, 'video_best_watched_time');
56	if ($best_watch_time < $currentTime){
57	tutor_utils()->update_lesson_reading_info($post_id, $user_id, 'video_best_watched_time', $currentTime);
58	}
59
60	if (tutor_utils()->avalue_dot('is_ended', $_POST)){
61	tutor_utils()->mark_lesson_complete($post_id);
62	}
63	exit();
64	}
65
66	public function sync_video_playback_noprev(){
67
68	}
69
70
71	public function tutor_place_rating(){
72	global $wpdb;
73
74	//TODO: Check nonce
75
76	$rating = sanitize_text_field(tutor_utils()->avalue_dot('rating', $_POST));
77	$course_id = sanitize_text_field(tutor_utils()->avalue_dot('course_id', $_POST));
78	$review = wp_kses_post(tutor_utils()->avalue_dot('review', $_POST));
79
80	$user_id = get_current_user_id();
81	$user = get_userdata($user_id);
82	$date = date("Y-m-d H:i:s");
83
84	do_action('tutor_before_rating_placed');
85
86	$previous_rating_id = $wpdb->get_var("select comment_ID from {$wpdb->comments} WHERE comment_post_ID={$course_id} AND user_id = {$user_id} AND comment_type = 'tutor_course_rating' LIMIT 1;");
87
88	$review_ID = $previous_rating_id;
89	if ( $previous_rating_id){
90	$wpdb->update( $wpdb->comments, array('comment_content' => $review),
91	array('comment_ID' => $previous_rating_id)
92	);
93	$wpdb->update( $wpdb->commentmeta, array('meta_value' => $rating),
94	array('comment_id' => $previous_rating_id, 'meta_key' => 'tutor_rating')
95	);
96	}else{
97	$data = array(
98	'comment_post_ID' => $course_id,
99	'comment_approved' => 'approved',
100	'comment_type' => 'tutor_course_rating',
101	'comment_date' => $date,
102	'comment_date_gmt' => get_gmt_from_date($date),
103	'user_id' => $user_id,
104	'comment_author' => $user->user_login,
105	'comment_agent' => 'TutorLMSPlugin',
106	);
107	if ($review){
108	$data['comment_content'] = $review;
109	}
110
111	$wpdb->insert($wpdb->comments, $data);
112	$comment_id = (int) $wpdb->insert_id;
113	$review_ID = $comment_id;
114
115	if ($comment_id && $rating){
116	$result = $wpdb->insert( $wpdb->commentmeta, array(
117	'comment_id' => $comment_id,
118	'meta_key' => 'tutor_rating',
119	'meta_value' => $rating
120	) );
121
122	do_action('tutor_after_rating_placed', $comment_id);
123	}
124	}
125
126	$data = array('msg' => __('Rating placed success', 'tutor'), 'review_id' => $review_ID, 'review' => $review);
127	wp_send_json_success($data);
128	}
129
130	public function tutor_ask_question(){
131	tutor_utils()->checking_nonce();
132
133	global $wpdb;
134
135	$course_id = (int) sanitize_text_field($_POST['tutor_course_id']);
136	$question_title = sanitize_text_field($_POST['question_title']);
137	$question = wp_kses_post($_POST['question']);
138
139	if (empty($question) \|\| empty($question_title)){
140	wp_send_json_error(__('Empty question title or body', 'tutor'));
141	}
142
143	$user_id = get_current_user_id();
144	$user = get_userdata($user_id);
145	$date = date("Y-m-d H:i:s");
146
147	do_action('tutor_before_add_question', $course_id);
148	$data = apply_filters('tutor_add_question_data', array(
149	'comment_post_ID' => $course_id,
150	'comment_author' => $user->user_login,
151	'comment_date' => $date,
152	'comment_date_gmt' => get_gmt_from_date($date),
153	'comment_content' => $question,
154	'comment_approved' => 'waiting_for_answer',
155	'comment_agent' => 'TutorLMSPlugin',
156	'comment_type' => 'tutor_q_and_a',
157	'user_id' => $user_id,
158	));
159
160	$wpdb->insert($wpdb->comments, $data);
161	$comment_id = (int) $wpdb->insert_id;
162
163	if ($comment_id){
164	$result = $wpdb->insert( $wpdb->commentmeta, array(
165	'comment_id' => $comment_id,
166	'meta_key' => 'tutor_question_title',
167	'meta_value' => $question_title
168	) );
169	}
170	do_action('tutor_after_add_question', $course_id, $comment_id);
171
172	wp_send_json_success(__('Question has been added successfully', 'tutor'));
173	}
174
175
176	public function tutor_add_answer(){
177	tutor_utils()->checking_nonce();
178	global $wpdb;
179
180	$answer = wp_kses_post($_POST['answer']);
181	if ( ! $answer){
182	wp_send_json_error(__('Please write answer', 'tutor'));
183	}
184
185	$question_id = (int) sanitize_text_field($_POST['question_id']);
186	$question = tutor_utils()->get_qa_question($question_id);
187
188	$user_id = get_current_user_id();
189	$user = get_userdata($user_id);
190	$date = date("Y-m-d H:i:s");
191
192	do_action('tutor_before_answer_to_question');
193	$data = apply_filters('tutor_add_answer_data', array(
194	'comment_post_ID' => $question->comment_post_ID,
195	'comment_author' => $user->user_login,
196	'comment_date' => $date,
197	'comment_date_gmt' => get_gmt_from_date($date),
198	'comment_content' => $answer,
199	'comment_approved' => 'approved',
200	'comment_agent' => 'TutorLMSPlugin',
201	'comment_type' => 'tutor_q_and_a',
202	'comment_parent' => $question_id,
203	'user_id' => $user_id,
204	));
205
206	$wpdb->insert($wpdb->comments, $data);
207	$comment_id = (int) $wpdb->insert_id;
208	do_action('tutor_after_answer_to_question', $comment_id);
209
210	wp_send_json_success(__('Answer has been added successfully', 'tutor'));
211	}
212
213
214	public function tutor_course_add_to_wishlist(){
215	$course_id = (int) sanitize_text_field($_POST['course_id']);
216	if ( ! is_user_logged_in()){
217	wp_send_json_error(array('redirect_to' => wp_login_url( wp_get_referer() ) ) );
218	}
219	global $wpdb;
220
221	$user_id = get_current_user_id();
222	$if_added_to_list = $wpdb->get_row("select * from {$wpdb->usermeta} WHERE user_id = {$user_id} AND meta_key = '_tutor_course_wishlist' AND meta_value = {$course_id} ;");
223
224	if ( $if_added_to_list){
225	$wpdb->delete($wpdb->usermeta, array('user_id' => $user_id, 'meta_key' => '_tutor_course_wishlist', 'meta_value' => $course_id ));
226	wp_send_json_success(array('status' => 'removed', 'msg' => __('Course removed from wish list', 'tutor')));
227	}else{
228	update_user_meta($user_id, '_tutor_course_wishlist', $course_id);
229	wp_send_json_success(array('status' => 'added', 'msg' => __('Course added to wish list', 'tutor')));
230	}
231	}
232
233	/**
234	* Method for enable / disable addons
235	*/
236	public function addon_enable_disable(){
237	$addonsConfig = maybe_unserialize(get_option('tutor_addons_config'));
238
239	$isEnable = (bool) sanitize_text_field(tutor_utils()->avalue_dot('isEnable', $_POST));
240	$addonFieldName = sanitize_text_field(tutor_utils()->avalue_dot('addonFieldName', $_POST));
241
242	if ($isEnable){
243	$addonsConfig[$addonFieldName]['is_enable'] = 1;
244	}else{
245	$addonsConfig[$addonFieldName]['is_enable'] = 0;
246	}
247
248	update_option('tutor_addons_config', $addonsConfig);
249
250	wp_send_json_success();
251	}
252
253	}