Admin.php — Tutor LMS – eLearning and online course solution 1.3.4

tutor / classes / Admin.php

tutor / classes Last commit date

Addons.php 6 years ago Admin.php 6 years ago Ajax.php 6 years ago Assets.php 6 years ago Course.php 6 years ago Course_Widget.php 6 years ago Dashboard.php 6 years ago Gutenberg.php 6 years ago Instructor.php 6 years ago Instructors_List.php 6 years ago Lesson.php 6 years ago Options.php 6 years ago Post_types.php 6 years ago Q_and_A.php 6 years ago Question.php 6 years ago Question_Answers_List.php 6 years ago Quiz.php 6 years ago Quiz_Attempts_List.php 6 years ago Rewrite_Rules.php 6 years ago Shortcode.php 6 years ago Student.php 6 years ago Students_List.php 6 years ago Taxonomies.php 6 years ago Template.php 6 years ago Theme_Compatibility.php 6 years ago Tools.php 6 years ago Tutor.php 6 years ago TutorEDD.php 6 years ago Tutor_Base.php 6 years ago Tutor_List_Table.php 6 years ago Upgrader.php 6 years ago User.php 6 years ago Utils.php 6 years ago Video_Stream.php 6 years ago Withdraw.php 6 years ago Withdraw_Requests_List.php 6 years ago WooCommerce.php 6 years ago

Admin.php

471 lines

1	<?php
2	namespace TUTOR;
3
4	/**
5	* Class Admin
6	* @package TUTOR
7	*
8	* @since v.1.0.0
9	*/
10
11	if ( ! defined( 'ABSPATH' ) )
12	exit;
13
14	class Admin{
15	public function __construct() {
16	add_action('admin_menu', array($this, 'register_menu'));
17	//Force activate menu for necessary
18	add_filter('parent_file', array($this, 'parent_menu_active'));
19	add_filter('submenu_file', array($this, 'submenu_file_active'), 10, 2);
20
21	add_action('admin_init', array($this, 'filter_posts_for_instructors'));
22	add_action('load-post.php', array($this, 'check_if_current_users_post') );
23
24	add_action('admin_action_uninstall_tutor_and_erase', array($this, 'erase_tutor_data'));
25	add_filter('plugin_action_links_' . plugin_basename(TUTOR_FILE), array( $this, 'plugin_action_links' ) );
26
27	//Plugin Row Meta
28	add_filter('plugin_row_meta', array($this, 'plugin_row_meta'), 10, 2);
29
30	//Admin Footer Text
31	add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ), 1 );
32	//Register Course Widget
33	add_action( 'widgets_init', array($this, 'register_course_widget') );
34	}
35
36	public function register_menu(){
37	$hasPro = tutor()->has_pro;
38
39	$unanswered_questions = tutor_utils()->unanswered_question_count();
40	$unanswered_bubble = '';
41	if ($unanswered_questions){
42	$unanswered_bubble = '<span class="update-plugins count-'.$unanswered_questions.'"><span class="plugin-count">'.$unanswered_questions.'</span></span>';
43	}
44
45	$course_post_type = tutor()->course_post_type;
46
47	$pro_text = '';
48	if ($hasPro){
49	$pro_text = ' '.__('Pro', 'tutor');
50	}
51
52	add_menu_page(__('Tutor LMS', 'tutor').$pro_text, __('Tutor LMS', 'tutor').$pro_text, 'manage_tutor_instructor', 'tutor', null,
53	'dashicons-welcome-learn-more', 2);
54	add_submenu_page('tutor', __('Categories', 'tutor'), __('Categories', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type, null );
55
56	add_submenu_page('tutor', __('Tags', 'tutor'), __('Tags', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type, null );
57
58	add_submenu_page('tutor', __('Students', 'tutor'), __('Students', 'tutor'), 'manage_tutor', 'tutor-students', array($this, 'tutor_students') );
59
60	add_submenu_page('tutor', __('Instructors', 'tutor'), __('Instructors', 'tutor'), 'manage_tutor', 'tutor-instructors', array($this, 'tutor_instructors') );
61
62	add_submenu_page('tutor', __('Q & A', 'tutor'), __('Q & A '.$unanswered_bubble, 'tutor'), 'manage_tutor_instructor', 'question_answer', array($this, 'question_answer') );
63
64	add_submenu_page('tutor', __('Quiz Attempts', 'tutor'), __('Quiz Attempts', 'tutor'), 'manage_tutor_instructor', 'tutor_quiz_attempts',array($this, 'quiz_attempts') );
65	add_submenu_page('tutor', __('Withdraw Requests', 'tutor'), __('Withdraw Requests', 'tutor'), 'manage_tutor_instructor', 'tutor_withdraw_requests', array($this, 'withdraw_requests') );
66
67	//add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array(new Addons(),'addons_page') );
68	add_submenu_page( 'tutor', __( 'Add-ons', 'tutor' ), __( 'Add-ons', 'tutor' ), 'manage_tutor', 'tutor-addons', array( $this, 'enable_disable_addons' ) );
69
70
71	add_submenu_page('tutor', __('Status', 'tutor'), __('Status', 'tutor'), 'manage_tutor', 'tutor-status', array($this, 'tutor_status') );
72
73	do_action('tutor_admin_register');
74
75	add_submenu_page('tutor', __('Settings', 'tutor'), __('Settings', 'tutor'), 'manage_tutor', 'tutor_settings', array($this, 'tutor_page') );
76
77	add_submenu_page('tutor',__('Uninstall Tutor LMS', 'tutor'), null, 'deactivate_plugin', 'tutor-uninstall', array($this, 'tutor_uninstall'));
78
79	if ( ! $hasPro){
80	add_submenu_page( 'tutor', __( 'Get Pro', 'tutor' ), __( '<span class="dashicons dashicons-awards tutor-get-pro-text"></span> Get Pro', 'tutor' ), 'manage_options', 'tutor-get-pro', array($this, 'tutor_get_pro') );
81	}
82
83	}
84
85	public function tutor_page(){
86	$tutor_option = new Options();
87	echo apply_filters('tutor/options/generated-html', $tutor_option->generate());
88	}
89
90	public function tutor_students(){
91	include tutor()->path.'views/pages/students.php';
92	}
93
94	public function tutor_instructors(){
95	include tutor()->path.'views/pages/instructors.php';
96	}
97
98	public function question_answer(){
99	include tutor()->path.'views/pages/question_answer.php';
100	}
101
102	public function quiz_attempts(){
103	include tutor()->path.'views/pages/quiz_attempts.php';
104	}
105
106	/**
107	* Show the withdraw requests table
108	*
109	* @since v.1.2.0
110	*/
111	public function withdraw_requests(){
112	include tutor()->path.'views/pages/withdraw_requests.php';
113	}
114
115	public function enable_disable_addons(){
116
117	if (defined('TUTOR_PRO_VERSION')) {
118	include tutor()->path.'views/pages/enable_disable_addons.php';
119	}else{
120	include tutor()->path.'views/pages/tutor-pro-addons.php';
121	}
122	}
123
124	public function tutor_status(){
125	include tutor()->path.'views/pages/status.php';
126	}
127
128	public function tutor_uninstall(){
129	include tutor()->path.'views/pages/uninstall.php';
130	}
131
132	public function tutor_get_pro(){
133	include tutor()->path.'views/pages/get-pro.php';
134	}
135
136	public function parent_menu_active( $parent_file ){
137	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
138	if ($taxonomy === 'course-category' \|\| $taxonomy === 'course-tag'){
139	return 'tutor';
140	}
141
142	return $parent_file;
143	}
144
145	public function submenu_file_active($submenu_file, $parent_file){
146	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
147	$course_post_type = tutor()->course_post_type;
148
149	if ($taxonomy === 'course-category'){
150	return 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type;
151	}
152	if ($taxonomy === 'course-tag'){
153	return 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type;
154	}
155
156
157	return $submenu_file;
158	}
159
160	/**
161	* Filter posts for instructor
162	*/
163	public function filter_posts_for_instructors(){
164	if ( ! current_user_can('administrator') && current_user_can(tutor()->instructor_role)){
165	remove_menu_page( 'edit-comments.php' ); //Comments
166	add_filter( 'posts_clauses_request', array($this, 'posts_clauses_request') );
167	}
168	}
169
170	public function posts_clauses_request($clauses){
171	global $wpdb;
172
173	$user_id = get_current_user_id();
174
175	$get_assigned_courses_ids = $wpdb->get_col("SELECT meta_value from {$wpdb->usermeta} WHERE meta_key = '_tutor_instructor_course_id' AND user_id = {$user_id} ");
176
177	$custom_author_query = "AND {$wpdb->posts}.post_author = {$user_id}";
178	if (is_array($get_assigned_courses_ids) && count($get_assigned_courses_ids)){
179	$in_query_pre = implode(',', $get_assigned_courses_ids);
180	$custom_author_query = " AND ( {$wpdb->posts}.post_author = {$user_id} OR {$wpdb->posts}.ID IN({$in_query_pre}) ) ";
181	}
182
183	$clauses['where'] .= $custom_author_query;
184
185	return $clauses;
186	}
187
188	/**
189	* Prevent unauthorised course/lesson edit page by direct URL
190	*
191	* @since v.1.0.0
192	*/
193	public function check_if_current_users_post(){
194	if (current_user_can('administrator') \|\| ! current_user_can(tutor()->instructor_role)) {
195	return;
196	}
197
198	if (! empty($_GET['post']) ) {
199	$get_post_id = (int) sanitize_text_field($_GET['post']);
200	$get_post = get_post($get_post_id);
201	$tutor_post_types = array(tutor()->course_post_type, tutor()->lesson_post_type);
202
203	$current_user = get_current_user_id();
204
205	if (in_array($get_post->post_type, $tutor_post_types) && $get_post->post_author != $current_user){
206	global $wpdb;
207
208	$get_assigned_courses_ids = (int) $wpdb->get_var("SELECT user_id from {$wpdb->usermeta} WHERE user_id = {$current_user} AND meta_key = '_tutor_instructor_course_id' AND meta_value = {$get_post_id} ");
209
210	if ( ! $get_assigned_courses_ids){
211	wp_die(__('Permission Denied', 'tutor'));
212	}
213
214	}
215	}
216	}
217
218	/**
219	* Status
220	*/
221
222	public static function scan_template_files( $template_path = null ) {
223	if ( ! $template_path){
224	$template_path = tutor()->path.'templates/';
225	}
226
227	$files = @scandir( $template_path ); // @codingStandardsIgnoreLine.
228	$result = array();
229
230	if ( ! empty( $files ) ) {
231	foreach ( $files as $key => $value ) {
232	if ( ! in_array( $value, array( '.', '..', '.DS_Store' ), true ) ) {
233	if ( is_dir( $template_path . DIRECTORY_SEPARATOR . $value ) ) {
234	$sub_files = self::scan_template_files( $template_path . DIRECTORY_SEPARATOR . $value );
235	foreach ( $sub_files as $sub_file ) {
236	$result[] = $value . DIRECTORY_SEPARATOR . $sub_file;
237	}
238	} else {
239	$result[] = $value;
240	}
241	}
242	}
243	}
244	return $result;
245	}
246
247	/**
248	* @return array
249	*
250	*
251	*/
252	public static function template_overridden_files(){
253	$template_files = self::scan_template_files();
254
255	$override_files = array();
256	foreach ($template_files as $file){
257	$file_path = null;
258	if (file_exists(trailingslashit(get_stylesheet_directory()).tutor()->template_path.$file)){
259	$file_path = $file;
260	}elseif (file_exists(trailingslashit(get_template_directory()).tutor()->template_path.$file)){
261	$file_path = $file;
262	}
263
264	if ($file_path){
265	$override_files[] = str_replace( WP_CONTENT_DIR.'/themes/', '', $file_path );
266	}
267	}
268
269	return $override_files;
270	}
271
272	public static function get_environment_info(){
273
274	// Figure out cURL version, if installed.
275	$curl_version = '';
276	if ( function_exists( 'curl_version' ) ) {
277	$curl_version = curl_version();
278	$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
279	}
280
281
282	// WP memory limit.
283	$wp_memory_limit = tutor_utils()->let_to_num(WP_MEMORY_LIMIT);
284	if ( function_exists( 'memory_get_usage' ) ) {
285	$wp_memory_limit = max( $wp_memory_limit, tutor_utils()->let_to_num( @ini_get( 'memory_limit' ) ) );
286	}
287
288	$database_version = tutor_utils()->get_db_version();
289
290	return array(
291	'home_url' => get_option( 'home' ),
292	'site_url' => get_option( 'siteurl' ),
293	'version' => tutor()->version,
294	'wp_version' => get_bloginfo( 'version' ),
295	'wp_multisite' => is_multisite(),
296	'wp_memory_limit' => $wp_memory_limit,
297	'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
298	'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
299	'language' => get_locale(),
300	'external_object_cache' => wp_using_ext_object_cache(),
301	'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
302	'php_version' => phpversion(),
303	'php_post_max_size' => tutor_utils()->let_to_num( ini_get( 'post_max_size' ) ),
304	'php_max_execution_time' => ini_get( 'max_execution_time' ),
305	'php_max_input_vars' => ini_get( 'max_input_vars' ),
306	'curl_version' => $curl_version,
307	'suhosin_installed' => extension_loaded( 'suhosin' ),
308	'max_upload_size' => wp_max_upload_size(),
309	'mysql_version' => $database_version['number'],
310	'mysql_version_string' => $database_version['string'],
311	'default_timezone' => date_default_timezone_get(),
312	'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) \|\| function_exists( 'curl_init' ) ),
313	'soapclient_enabled' => class_exists( 'SoapClient' ),
314	'domdocument_enabled' => class_exists( 'DOMDocument' ),
315	'gzip_enabled' => is_callable( 'gzopen' ),
316	'mbstring_enabled' => extension_loaded( 'mbstring' ),
317	);
318
319	}
320
321
322	public function erase_tutor_data(){
323	global $wpdb;
324
325	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
326	/*D/ //=> Deleting Data
327
328	$plugin_file = tutor()->basename;
329	if ($is_erase_data && current_user_can( 'deactivate_plugin', $plugin_file )) {
330	/**
331	* Deleting Post Type, Meta Data, taxonomy
332	*/
333	$course_post_type = tutor()->course_post_type;
334	$lesson_post_type = tutor()->lesson_post_type;
335
336	$post_types = array(
337	$course_post_type,
338	$lesson_post_type,
339	'tutor_quiz',
340	'tutor_question',
341	'tutor_enrolled',
342	'topics',
343	'tutor_enrolled',
344	'tutor_announcements',
345	);
346
347	$post_type_strings = "'".implode("','", $post_types)."'";
348	$tutor_posts = $wpdb->get_col("SELECT ID from {$wpdb->posts} WHERE post_type in({$post_type_strings}) ;");
349
350	if (is_array($tutor_posts) && count($tutor_posts)){
351	foreach ($tutor_posts as $post_id){
352	//Delete categories
353	$terms = wp_get_object_terms( $post_id, 'course-category' );
354	foreach( $terms as $term ){
355	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-category' );
356	}
357
358	//Delete tags if available
359	$terms = wp_get_object_terms( $post_id, 'course-tag' );
360	foreach( $terms as $term ){
361	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-tag' );
362	}
363
364	//Delete All Meta
365	/*D/ $wpdb->delete($wpdb->postmeta, array('post_id' => $post_id) );
366	/*D/ $wpdb->delete($wpdb->posts, array('ID' => $post_id) );
367	}
368	}
369
370	/**
371	* Deleting Comments (reviews, questions, quiz_answers, etc)
372	*/
373	$tutor_comments = $wpdb->get_col("SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;");
374	$comments_ids_strings = "'".implode("','", $tutor_comments)."'";
375	if (is_array($tutor_comments) && count($tutor_comments)){
376	/*D/ $wpdb->query("DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$comments_ids_strings}) ");
377	}
378	/*D/ $wpdb->delete($wpdb->comments, array('comment_agent' => 'comment_agent'));
379
380	/**
381	* Delete Options
382	*/
383
384	/*D/ delete_option('tutor_option');
385	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_student'));
386	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_approved'));
387	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_status'));
388	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_instructor'));
389	/*D/ $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' ");
390
391	//Deleting Table
392	$prefix = $wpdb->prefix;
393	/*D/ $wpdb->query("DROP TABLE IF EXISTS {$prefix}tutor_quiz_attempts, {$prefix}tutor_quiz_attempt_answers, {$prefix}tutor_quiz_questions, {$prefix}tutor_quiz_question_answers, {$prefix}tutor_earnings, {$prefix}tutor_withdraws ");
394
395	deactivate_plugins($plugin_file);
396	}
397
398	wp_redirect('plugins.php');
399	die();
400	}
401
402	public function plugin_action_links($actions){
403	$hasPro = tutor()->has_pro;
404
405	if(!$hasPro){
406	$actions['tutor_pro_link'] = '<a href="https://www.themeum.com/product/tutor-lms/#pricing?utm_source=tutor_plugin_action_link&utm_medium=wordpress_dashboard&utm_campaign=go_premium" target="_blank"><span
407	style="color: #ff7742; font-weight: bold;">' . __('Upgrade to Pro', 'wp-megamenu') . '</span></a>';
408	}
409
410	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
411
412	if ($is_erase_data) {
413	$plugin_file = tutor()->basename;
414	if ( current_user_can( 'deactivate_plugin', $plugin_file ) ) {
415	if ( isset( $actions['deactivate'] ) ) {
416	$actions['deactivate'] = '<a href="admin.php?page=tutor-uninstall">' . __('Uninstall', 'tutor') . '</a>';
417	}
418	}
419	}
420
421	$actions['settings'] = '<a href="admin.php?page=tutor_settings">' . __('Settings', 'tutor') . '</a>';
422	return $actions;
423	}
424
425	public function plugin_row_meta($plugin_meta, $plugin_file){
426
427	if ($plugin_file === tutor()->basename) {
428	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
429	esc_url( 'https://www.themeum.com/docs/tutor-introduction/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_docs_link' ),
430	__( '<strong style="color: #03bd24">Documentation</strong>', 'tutor' )
431	);
432	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
433	esc_url( 'https://www.themeum.com/support-forums/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_support_link' ),
434	__( '<strong style="color: #03bd24">Get Support</strong>', 'tutor' )
435	);
436	}
437
438	return $plugin_meta;
439	}
440
441	/**
442	* @param $footer_text
443	*
444	* @return string
445	*
446	* Add footer text only on tutor pages
447	*/
448	public function admin_footer_text( $footer_text ) {
449	$current_screen = get_current_screen();
450
451	/**
452	* We are making sure that this message will be only on Tutor Admin page
453	*/
454	if ( apply_filters( 'tutor_display_admin_footer_text', (tutor_utils()->array_get('parent_base', $current_screen) === 'tutor' ) ) ) {
455	$footer_text = sprintf(
456	__( 'If you like %1$s please leave us a %2$s rating. A huge thanks in advance!', 'tutor' ),
457	sprintf( '<strong>%s</strong>', esc_html__( 'Tutor LMS', 'tutor' ) ),
458	'<a href="https://wordpress.org/support/plugin/tutor/reviews?rate=5#new-post" target="_blank" class="tutor-rating-link">★★★★★</a>'
459	);
460	}
461
462	return $footer_text;
463	}
464
465
466	public function register_course_widget(){
467	register_widget( 'Tutor\Course_Widget' );
468	}
469
470
471	}