Lesson.php — Tutor LMS – eLearning and online course solution 2.0.10

tutor / classes / Lesson.php

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Lesson.php

515 lines

1	<?php
2	namespace TUTOR;
3
4	use SebastianBergmann\Environment\Console;
5
6	if ( ! defined( 'ABSPATH' ) ) {
7	exit;
8	}
9
10	class Lesson extends Tutor_Base {
11	public function __construct() {
12	parent::__construct();
13
14	add_action( 'add_meta_boxes', array( $this, 'register_meta_box' ) );
15	add_action( 'save_post_' . $this->lesson_post_type, array( $this, 'save_lesson_meta' ) );
16
17	add_action( 'wp_ajax_tutor_load_edit_lesson_modal', array( $this, 'tutor_load_edit_lesson_modal' ) );
18	add_action( 'wp_ajax_tutor_modal_create_or_update_lesson', array( $this, 'tutor_modal_create_or_update_lesson' ) );
19	add_action( 'wp_ajax_tutor_delete_lesson_by_id', array( $this, 'tutor_delete_lesson_by_id' ) );
20
21	add_filter( 'get_sample_permalink', array( $this, 'change_lesson_permalink' ), 10, 2 );
22	add_action( 'admin_init', array( $this, 'flush_rewrite_rules' ) );
23
24	/**
25	* Add Column
26	*/
27
28	add_filter( "manage_{$this->lesson_post_type}_posts_columns", array( $this, 'add_column' ), 10, 1 );
29	add_action( "manage_{$this->lesson_post_type}_posts_custom_column", array( $this, 'custom_lesson_column' ), 10, 2 );
30
31	// Frontend Action
32	add_action( 'template_redirect', array( $this, 'mark_lesson_complete' ) );
33
34	add_action( 'wp_ajax_tutor_render_lesson_content', array( $this, 'tutor_render_lesson_content' ) );
35	add_action( 'wp_ajax_nopriv_tutor_render_lesson_content', array( $this, 'tutor_render_lesson_content' ) ); // For public course access
36
37	/**
38	* Autoplay next video
39	*
40	* @since v.1.4.9
41	*/
42	add_action( 'wp_ajax_autoload_next_course_content', array( $this, 'autoload_next_course_content' ) );
43
44	/**
45	* Load next course item after click complete button
46	*
47	* @since v.1.5.3
48	*/
49	add_action( 'tutor_lesson_completed_after', array( $this, 'tutor_lesson_completed_after' ), 999 );
50
51	/**
52	* Lesson comment & reply ajax handler
53	*
54	* @since v2.0.0
55	*/
56	add_action( 'wp_ajax_tutor_single_course_lesson_load_more', array( $this, 'tutor_single_course_lesson_load_more' ) );
57	add_action( 'wp_ajax_tutor_create_lesson_comment', array( $this, 'tutor_single_course_lesson_load_more' ) );
58	add_action( 'wp_ajax_tutor_reply_lesson_comment', array( $this, 'reply_lesson_comment' ) );
59	}
60
61	/**
62	* Manage load more & comment create
63	*
64	* @since v2.0.6
65	*
66	* @return void send wp json data
67	*/
68	public function tutor_single_course_lesson_load_more() {
69	tutor_utils()->checking_nonce();
70	$action = $_POST['action'] ?? '';
71	if ( 'tutor_create_lesson_comment' === $action ) {
72	$comment_data = array(
73	'comment_content' => $_POST['comment'],
74	'comment_post_ID' => $_POST['comment_post_ID'],
75	'comment_parent' => $_POST['comment_parent'],
76	);
77	self::create_comment( $comment_data);
78	}
79	ob_start();
80	tutor_load_template('single.lesson.comment');
81	$html = ob_get_clean();
82
83	wp_send_json_success( array('html' => $html) );
84	}
85
86	/**
87	* Registering metabox
88	*/
89	public function register_meta_box() {
90	$lesson_post_type = $this->lesson_post_type;
91
92	tutor_meta_box_wrapper( 'tutor-course-select', __( 'Select Course', 'tutor' ), array( $this, 'lesson_metabox' ), $lesson_post_type, 'advanced', 'default', 'tutor-admin-post-meta' );
93
94	tutor_meta_box_wrapper( 'tutor-lesson-videos', __( 'Lesson Video', 'tutor' ), array( $this, 'lesson_video_metabox' ), $lesson_post_type, 'advanced', 'default', 'tutor-admin-post-meta' );
95
96	tutor_meta_box_wrapper( 'tutor-lesson-attachments', __( 'Attachments', 'tutor' ), array( $this, 'lesson_attachments_metabox' ), $lesson_post_type, 'advanced', 'default', 'tutor-admin-post-meta' );
97	}
98
99	public function lesson_metabox() {
100	include tutor()->path . 'views/metabox/lesson-metabox.php';
101	}
102
103	public function lesson_video_metabox() {
104	include tutor()->path . 'views/metabox/video-metabox.php';
105	}
106
107	public function lesson_attachments_metabox() {
108	include tutor()->path . 'views/metabox/lesson-attachments-metabox.php';
109	}
110
111	/**
112	* @param $post_ID
113	*
114	* Saving lesson meta and assets
115	*/
116	public function save_lesson_meta( $post_ID ) {
117	//Video
118	$video_source = sanitize_text_field( tutor_utils()->array_get('video.source', $_POST) );
119	if ( $video_source === '-1'){
120	delete_post_meta($post_ID, '_video');
121	}elseif($video_source) {
122	$video = (array)tutor_utils()->array_get('video', $_POST, array());
123	update_post_meta($post_ID, '_video', $video);
124	}
125
126	// Attachments
127	$attachments = array();
128	if ( ! empty($_POST['tutor_attachments'])){
129	$attachments = tutor_utils()->sanitize_array($_POST['tutor_attachments']);
130	$attachments = array_unique($attachments);
131	}
132
133	/**
134	* it !empty attachment then update meta else
135	* delete meta key to prevetn empty data in db
136	*
137	* @since 1.8.9
138	*/
139	if ( ! empty( $attachments ) ) {
140	update_post_meta( $post_ID, '_tutor_attachments', $attachments );
141	} else {
142	delete_post_meta( $post_ID, '_tutor_attachments' );
143	}
144
145	}
146
147	public function tutor_load_edit_lesson_modal(){
148	tutor_utils()->checking_nonce();
149
150	$lesson_id = (int) tutor_utils()->avalue_dot( 'lesson_id', tutor_sanitize_data($_POST) );
151	$topic_id = (int) $_POST['topic_id'];
152
153	if(!tutor_utils()->can_user_manage('topic', $topic_id)) {
154	wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
155	}
156
157	/**
158	* If Lesson Not Exists, provide dummy
159	*/
160	$post_arr = array(
161	'ID' => 0,
162	'post_content' => '',
163	'post_type' => $this->lesson_post_type,
164	'post_title' => __( 'Draft Lesson', 'tutor' ),
165	'post_status' => 'publish',
166	'post_author' => get_current_user_id(),
167	'post_parent' => $topic_id,
168	);
169
170	$post = $lesson_id ? get_post($lesson_id) : (object)$post_arr;
171
172	ob_start();
173	include tutor()->path . 'views/modal/edit-lesson.php';
174	$output = ob_get_clean();
175
176	wp_send_json_success( array( 'output' => $output ) );
177	}
178
179	/**
180	* @since v.1.0.0
181	* @updated v.1.5.1
182	*/
183	public function tutor_modal_create_or_update_lesson(){
184	tutor_utils()->checking_nonce();
185
186	global $wpdb;
187
188	$lesson_id = Input::post( 'lesson_id', 0, Input::TYPE_INT );
189	$topic_id = Input::post( 'current_topic_id', 0, Input::TYPE_INT );
190	$current_topic_id = $topic_id;
191	$course_id = tutor_utils()->get_course_id_by( 'topic', $topic_id );
192
193	$_lesson_thumbnail_id = Input::post( '_lesson_thumbnail_id', 0, Input::TYPE_INT );
194	$is_html_active = Input::post('is_html_active') === 'true' ? true : false;
195	$raw_html_content = wp_kses_post( $_POST['tutor_lesson_modal_editor'] );
196	$tmce_content = wp_kses_post( $_POST['lesson_content'] );
197
198	if( ! tutor_utils()->can_user_manage( 'topic', $topic_id ) ) {
199	wp_send_json_error( array( 'message' => __( 'Access Denied', 'tutor' ) ) );
200	}
201
202	$title = Input::post( 'lesson_title' );
203	$lesson_content = $is_html_active ? $raw_html_content : $tmce_content;
204
205	$lesson_data = array(
206	'post_type' => $this->lesson_post_type,
207	'post_title' => $title,
208	'post_name' => sanitize_title($title),
209	'post_content' => $lesson_content,
210	'post_status' => 'publish',
211	'comment_status' => 'open',
212	'post_author' => get_current_user_id(),
213	'post_parent' => $topic_id
214	);
215
216	if ( $lesson_id == 0 ) {
217
218	$lesson_data['menu_order'] = tutor_utils()->get_next_course_content_order_id( $topic_id );
219	$lesson_id = wp_insert_post( $lesson_data );
220
221	if ( $lesson_id ) {
222	do_action( 'tutor/lesson/created', $lesson_id );
223	} else {
224	wp_send_json_error( array( 'message' => __( 'Couldn\'t create lesson.', 'tutor' ) ) );
225	}
226	} else {
227	$lesson_data['ID'] = $lesson_id;
228
229	do_action( 'tutor/lesson_update/before', $lesson_id );
230	wp_update_post( $lesson_data );
231	if ( $_lesson_thumbnail_id ) {
232	update_post_meta( $lesson_id, '_thumbnail_id', $_lesson_thumbnail_id );
233	} else {
234	delete_post_meta( $lesson_id, '_thumbnail_id' );
235	}
236
237	do_action( 'tutor/lesson_update/after', $lesson_id );
238	}
239
240	ob_start();
241	include tutor()->path . 'views/metabox/course-contents.php';
242	$course_contents = ob_get_clean();
243
244	wp_send_json_success( array( 'course_contents' => $course_contents ) );
245	}
246
247	/**
248	* Delete Lesson from course builder
249	*/
250	public function tutor_delete_lesson_by_id(){
251	tutor_utils()->checking_nonce();
252
253	$lesson_id = (int) tutor_utils()->avalue_dot( 'lesson_id', $_POST );
254
255	if(!tutor_utils()->can_user_manage('lesson', $lesson_id)) {
256	wp_send_json_error( array('message'=>__('Access Denied', 'tutor')) );
257	}
258
259	wp_delete_post( $lesson_id, true );
260	wp_send_json_success();
261	}
262
263
264	/**
265	* @param $uri
266	* @param $lesson_id
267	*
268	* @return mixed
269	*
270	* Changed the URI based
271	*/
272
273	public function change_lesson_permalink( $uri, $lesson_id ) {
274	$post = get_post( $lesson_id );
275
276	if ( $post && $post->post_type === $this->lesson_post_type ) {
277	$uri_base = trailingslashit( site_url() );
278
279	$sample_course = 'sample-course';
280	$is_course = tutor_utils()->get_course_id_by( 'lesson', get_the_ID() );
281	if ( $is_course ) {
282	$course = get_post( $is_course );
283	if ( $course ) {
284	$sample_course = $course->post_name;
285	}
286	}
287
288	$new_course_base = $uri_base . "course/{$sample_course}/lesson/%pagename%/";
289	$uri[0] = $new_course_base;
290	}
291
292	return $uri;
293	}
294
295
296	public function flush_rewrite_rules() {
297	$is_required_flush = get_option( 'required_rewrite_flush' );
298	if ( $is_required_flush ) {
299	flush_rewrite_rules();
300	delete_option( 'required_rewrite_flush' );
301	}
302	}
303
304
305	public function add_column( $columns ) {
306	$date_col = $columns['date'];
307	unset( $columns['date'] );
308	$columns['course'] = __( 'Course', 'tutor' );
309	$columns['date'] = $date_col;
310
311	return $columns;
312	}
313
314	/**
315	* @param $column
316	* @param $post_id
317	*/
318	public function custom_lesson_column( $column, $post_id ) {
319	if ( $column === 'course' ) {
320
321	$course_id = tutor_utils()->get_course_id_by( 'lesson', $post_id );
322	if ( $course_id ) {
323	echo '<a href="' . admin_url( 'post.php?post=' . $course_id . '&action=edit' ) . '">' . get_the_title( $course_id ) . '</a>';
324	}
325	}
326	}
327
328	/**
329	*
330	* Mark lesson completed
331	*
332	* @since v.1.0.0
333	*/
334	public function mark_lesson_complete() {
335	if ( ! isset( $_POST['tutor_action'] ) \|\| $_POST['tutor_action'] !== 'tutor_complete_lesson' ) {
336	return;
337	}
338	// Checking nonce
339	tutor_utils()->checking_nonce();
340
341	$user_id = get_current_user_id();
342
343	// TODO: need to show view if not signed_in
344	if ( ! $user_id ) {
345	die( __( 'Please Sign-In', 'tutor' ) );
346	}
347
348	$lesson_id = (int) $_POST['lesson_id'];
349
350	do_action( 'tutor_lesson_completed_before', $lesson_id );
351	/**
352	* Marking lesson at user meta, meta format, _tutor_completed_lesson_id_{id} and value = tutor_time();
353	*/
354	tutor_utils()->mark_lesson_complete( $lesson_id );
355
356	do_action( 'tutor_lesson_completed_email_after', $lesson_id, $user_id );
357	do_action( 'tutor_lesson_completed_after', $lesson_id, $user_id );
358	}
359
360	/**
361	* Render the lesson content
362	*/
363	public function tutor_render_lesson_content(){
364	tutor_utils()->checking_nonce();
365
366	$lesson_id = (int) tutor_utils()->avalue_dot( 'lesson_id', $_POST );
367
368	$ancestors = get_post_ancestors($lesson_id);
369	$course_id = !empty($ancestors) ? array_pop($ancestors): $lesson_id;
370
371	// Course must be public or current user must be enrolled to access this lesson
372	if(get_post_meta($course_id, '_tutor_is_public_course', true)!=='yes' && !tutor_utils()->is_enrolled($course_id)){
373
374	$is_admin = tutor_utils()->has_user_role('administrator');
375	$allowed = $is_admin ? true : tutor_utils()->is_instructor_of_this_course(get_current_user_id(), $course_id);
376
377	if ( ! $allowed ) {
378	http_response_code( 400 );
379	exit;
380	}
381	}
382
383	ob_start();
384	global $post;
385
386	$post = get_post( $lesson_id );
387	setup_postdata( $post );
388	tutor_lesson_content();
389	wp_reset_postdata();
390
391	$html = ob_get_clean();
392
393	wp_send_json_success(array('html' => $html));
394	}
395
396	/**
397	* Load next course item automatically
398	*
399	* @since v.1.4.9
400	*/
401	public function autoload_next_course_content() {
402	tutor_utils()->checking_nonce();
403
404	$post_id = sanitize_text_field($_POST['post_id']);
405	$content_id = tutor_utils()->get_post_id($post_id);
406	$contents = tutor_utils()->get_course_prev_next_contents_by_id($content_id);
407
408	$autoload_course_content = (bool) get_tutor_option( 'autoload_next_course_content' );
409	$next_url = false;
410	if ( $autoload_course_content ) {
411	$next_url = get_the_permalink( $contents->next_id );
412	}
413	wp_send_json_success( array( 'next_url' => $next_url ) );
414	}
415
416	/**
417	* Load next course item after click complete button
418	*
419	* @since v.1.5.3
420	*/
421	public function tutor_lesson_completed_after( $content_id ) {
422	$contents = tutor_utils()->get_course_prev_next_contents_by_id( $content_id );
423	$autoload_course_content = (bool) get_tutor_option( 'autoload_next_course_content' );
424	if ( $autoload_course_content ) {
425	wp_redirect( get_the_permalink( $contents->next_id ) );
426	} else {
427	wp_redirect( get_the_permalink( $content_id ) );
428	}
429	die();
430	}
431
432	public function reply_lesson_comment() {
433	tutor_utils()->checking_nonce();
434	$comment_data = array(
435	'comment_content' => $_POST['comment'],
436	'comment_post_ID' => $_POST['comment_post_ID'],
437	'comment_parent' => $_POST['comment_parent'],
438	);
439	$comment_id = self::create_comment( $comment_data);
440	if ( false === $comment_id ) {
441	wp_send_json_error();
442	return;
443	}
444	$reply = get_comment( $comment_id );
445	ob_start();
446	?>
447	<div class="tutor-comments-list tutor-child-comment tutor-mt-32" id="lesson-comment-<?php echo esc_attr($reply->comment_ID) ?>">
448	<div class="comment-avatar">
449	<img src="<?php echo get_avatar_url($reply->user_id); ?>" alt="">
450	</div>
451	<div class="tutor-single-comment">
452	<div class="tutor-actual-comment tutor-mb-12">
453	<div class="tutor-comment-author">
454	<span class="tutor-fs-6 tutor-fw-bold">
455	<?php echo $reply->comment_author; ?>
456	</span>
457	<span class="tutor-fs-7 tutor-ml-0 tutor-ml-sm-10">
458	<?php echo human_time_diff(strtotime($reply->comment_date), tutor_time()) . __(' ago', 'tutor'); ?>
459	</span>
460	</div>
461	<div class="tutor-comment-text tutor-fs-6 tutor-mt-4">
462	<?php echo $reply->comment_content; ?>
463	</div>
464	</div>
465	</div>
466	</div>
467	<?php
468	$html = ob_get_clean();
469	wp_send_json_success( array('html' => $html) );
470	}
471
472	/**
473	* Get comments
474	*
475	* @since v2.0.6
476	*
477	* @param array $args
478	*
479	* ?Checkout arguments details:
480	* ?https://developer.wordpress.org/reference/classes/wp_comment_query/__construct/
481	*
482	* @return mixed based on arguments
483	*/
484	public static function get_comments( array $args ) {
485	$comments = get_comments( $args );
486	return $comments;
487	}
488
489	/**
490	* Create comment
491	*
492	* @param array $post
493	*
494	* @return mixed comment id on success, false on failure
495	*/
496	public static function create_comment( array $request ) {
497	$current_user = wp_get_current_user();
498	$default_data = array(
499	'comment_content' => '',
500	'comment_post_ID' => '',
501	'comment_parent' => '',
502	'user_id' => $current_user->ID,
503	'comment_author' => $current_user->user_login,
504	'comment_author_email' => $current_user->user_email,
505	'comment_author_url' => $current_user->user_url,
506	'comment_agent' => 'Tutor',
507	);
508	$comment_data = wp_parse_args( $request, $default_data );
509	return wp_insert_comment( $comment_data );
510	}
511
512	}
513
514
515