Admin.php — Tutor LMS – eLearning and online course solution 1.6.8

tutor / classes / Admin.php

tutor / classes Last commit date

Addons.php 5 years ago Admin.php 5 years ago Ajax.php 5 years ago Assets.php 5 years ago Course.php 5 years ago Course_Settings_Tabs.php 5 years ago Course_Widget.php 5 years ago Dashboard.php 5 years ago Email.php 5 years ago FormHandler.php 5 years ago Frontend.php 5 years ago Gutenberg.php 5 years ago Instructor.php 5 years ago Instructors_List.php 5 years ago Lesson.php 5 years ago Options.php 5 years ago Post_types.php 5 years ago Q_and_A.php 5 years ago Question_Answers_List.php 5 years ago Quiz.php 5 years ago Quiz_Attempts_List.php 5 years ago RestAPI.php 5 years ago Rewrite_Rules.php 5 years ago Shortcode.php 5 years ago Student.php 5 years ago Students_List.php 5 years ago Taxonomies.php 5 years ago Template.php 5 years ago Theme_Compatibility.php 5 years ago Tools.php 5 years ago Tutor.php 5 years ago TutorEDD.php 5 years ago Tutor_Base.php 5 years ago Tutor_List_Table.php 5 years ago Tutor_Setup.php 5 years ago Upgrader.php 5 years ago User.php 5 years ago Utils.php 5 years ago Video_Stream.php 5 years ago Withdraw.php 5 years ago Withdraw_Requests_List.php 5 years ago WooCommerce.php 5 years ago

Admin.php

484 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	$enable_course_marketplace = (bool) tutils()->get_option('enable_course_marketplace');
53
54	add_menu_page(__('Tutor LMS', 'tutor').$pro_text, __('Tutor LMS', 'tutor').$pro_text, 'manage_tutor_instructor', 'tutor', null,
55	'dashicons-welcome-learn-more', 2);
56	add_submenu_page('tutor', __('Categories', 'tutor'), __('Categories', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type, null );
57
58	add_submenu_page('tutor', __('Tags', 'tutor'), __('Tags', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type, null );
59
60	add_submenu_page('tutor', __('Students', 'tutor'), __('Students', 'tutor'), 'manage_tutor', 'tutor-students', array($this, 'tutor_students') );
61
62	if ($enable_course_marketplace) {
63	add_submenu_page('tutor', __('Instructors', 'tutor'), __('Instructors', 'tutor'), 'manage_tutor', 'tutor-instructors', array($this, 'tutor_instructors'));
64	}
65
66	add_submenu_page('tutor', __('Q & A', 'tutor'), __('Q & A '.$unanswered_bubble, 'tutor'), 'manage_tutor_instructor', 'question_answer', array($this, 'question_answer') );
67
68	add_submenu_page('tutor', __('Quiz Attempts', 'tutor'), __('Quiz Attempts', 'tutor'), 'manage_tutor_instructor', 'tutor_quiz_attempts',array($this, 'quiz_attempts') );
69
70	if ($enable_course_marketplace){
71	add_submenu_page('tutor', __('Withdraw Requests', 'tutor'), __('Withdraw Requests', 'tutor'), 'manage_tutor_instructor', 'tutor_withdraw_requests', array($this, 'withdraw_requests') );
72	}
73
74	//add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array(new Addons(),'addons_page') );
75	add_submenu_page( 'tutor', __( 'Add-ons', 'tutor' ), __( 'Add-ons', 'tutor' ), 'manage_tutor', 'tutor-addons', array( $this, 'enable_disable_addons' ) );
76
77	do_action('tutor_admin_register');
78
79	add_submenu_page('tutor', __('Settings', 'tutor'), __('Settings', 'tutor'), 'manage_tutor', 'tutor_settings', array($this, 'tutor_page') );
80
81	add_submenu_page('tutor', __('Tools', 'tutor'), __('Tools', 'tutor'), 'manage_tutor', 'tutor-tools', array($this, 'tutor_tools') );
82
83	if ( ! $hasPro){
84	add_submenu_page( 'tutor', __( 'Get Pro', 'tutor' ), __( '<span class="dashicons dashicons-awards tutor-get-pro-text"></span> Get Pro', 'tutor' ), 'manage_options', 'tutor-get-pro', array($this, 'tutor_get_pro') );
85	}
86	}
87
88	public function tutor_page(){
89	$tutor_option = new Options();
90	echo apply_filters('tutor/options/generated-html', $tutor_option->generate());
91	}
92
93	public function tutor_students(){
94	include tutor()->path.'views/pages/students.php';
95	}
96
97	public function tutor_instructors(){
98	include tutor()->path.'views/pages/instructors.php';
99	}
100
101	public function question_answer(){
102	include tutor()->path.'views/pages/question_answer.php';
103	}
104
105	public function quiz_attempts(){
106	include tutor()->path.'views/pages/quiz_attempts.php';
107	}
108
109	/**
110	* Show the withdraw requests table
111	*
112	* @since v.1.2.0
113	*/
114	public function withdraw_requests(){
115	include tutor()->path.'views/pages/withdraw_requests.php';
116	}
117
118	public function enable_disable_addons(){
119
120	if (defined('TUTOR_PRO_VERSION')) {
121	include tutor()->path.'views/pages/enable_disable_addons.php';
122	}else{
123	include tutor()->path.'views/pages/tutor-pro-addons.php';
124	}
125	}
126
127	public function tutor_tools(){
128	$tutor_admin_tools_page = tutils()->array_get('tutor_admin_tools_page', $_GET);
129	if ($tutor_admin_tools_page){
130	include apply_filters('tutor_admin_tools_page', tutor()->path."views/pages/{$tutor_admin_tools_page}.php", $tutor_admin_tools_page);
131	}else{
132	$pages = apply_filters('tutor_tool_pages', array(
133	'tutor_pages' => array('title' => __('Tutor Pages', 'tutor') ),
134	'status' => __('Status', 'tutor'),
135	));
136
137	$current_page = 'tutor_pages';
138	$requested_page = sanitize_text_field(tutils()->array_get('sub_page', $_GET));
139	if ($requested_page){
140	$current_page = $requested_page;
141	}
142
143	include tutor()->path.'views/pages/tools.php';
144	}
145	}
146
147	public function tutor_get_pro(){
148	include tutor()->path.'views/pages/get-pro.php';
149	}
150
151	public function parent_menu_active( $parent_file ){
152	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
153	if ($taxonomy === 'course-category' \|\| $taxonomy === 'course-tag'){
154	return 'tutor';
155	}
156
157	return $parent_file;
158	}
159
160	public function submenu_file_active($submenu_file, $parent_file){
161	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
162	$course_post_type = tutor()->course_post_type;
163
164	if ($taxonomy === 'course-category'){
165	return 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type;
166	}
167	if ($taxonomy === 'course-tag'){
168	return 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type;
169	}
170
171
172	return $submenu_file;
173	}
174
175	/**
176	* Filter posts for instructor
177	*/
178	public function filter_posts_for_instructors(){
179	if ( ! current_user_can('administrator') && current_user_can(tutor()->instructor_role)){
180	remove_menu_page( 'edit-comments.php' ); //Comments
181	add_filter( 'posts_clauses_request', array($this, 'posts_clauses_request') );
182	}
183	}
184
185	public function posts_clauses_request($clauses){
186	global $wpdb;
187
188	$user_id = get_current_user_id();
189
190	$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} ");
191
192	$custom_author_query = "AND {$wpdb->posts}.post_author = {$user_id}";
193	if (is_array($get_assigned_courses_ids) && count($get_assigned_courses_ids)){
194	$in_query_pre = implode(',', $get_assigned_courses_ids);
195	$custom_author_query = " AND ( {$wpdb->posts}.post_author = {$user_id} OR {$wpdb->posts}.ID IN({$in_query_pre}) ) ";
196	}
197
198	$clauses['where'] .= $custom_author_query;
199
200	return $clauses;
201	}
202
203	/**
204	* Prevent unauthorised course/lesson edit page by direct URL
205	*
206	* @since v.1.0.0
207	*/
208	public function check_if_current_users_post(){
209	if (current_user_can('administrator') \|\| ! current_user_can(tutor()->instructor_role)) {
210	return;
211	}
212
213	if (! empty($_GET['post']) ) {
214	$get_post_id = (int) sanitize_text_field($_GET['post']);
215	$get_post = get_post($get_post_id);
216	$tutor_post_types = array(tutor()->course_post_type, tutor()->lesson_post_type);
217
218	$current_user = get_current_user_id();
219
220	if (in_array($get_post->post_type, $tutor_post_types) && $get_post->post_author != $current_user){
221	global $wpdb;
222
223	$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} ");
224
225	if ( ! $get_assigned_courses_ids){
226	wp_die(__('Permission Denied', 'tutor'));
227	}
228
229	}
230	}
231	}
232
233	/**
234	* Status
235	*/
236
237	public static function scan_template_files( $template_path = null ) {
238	if ( ! $template_path){
239	$template_path = tutor()->path.'templates/';
240	}
241
242	$files = @scandir( $template_path ); // @codingStandardsIgnoreLine.
243	$result = array();
244
245	if ( ! empty( $files ) ) {
246	foreach ( $files as $key => $value ) {
247	if ( ! in_array( $value, array( '.', '..', '.DS_Store' ), true ) ) {
248	if ( is_dir( $template_path . DIRECTORY_SEPARATOR . $value ) ) {
249	$sub_files = self::scan_template_files( $template_path . DIRECTORY_SEPARATOR . $value );
250	foreach ( $sub_files as $sub_file ) {
251	$result[] = $value . DIRECTORY_SEPARATOR . $sub_file;
252	}
253	} else {
254	$result[] = $value;
255	}
256	}
257	}
258	}
259	return $result;
260	}
261
262	/**
263	* @return array
264	*
265	*
266	*/
267	public static function template_overridden_files(){
268	$template_files = self::scan_template_files();
269
270	$override_files = array();
271	foreach ($template_files as $file){
272	$file_path = null;
273	if (file_exists(trailingslashit(get_stylesheet_directory()).tutor()->template_path.$file)){
274	$file_path = $file;
275	}elseif (file_exists(trailingslashit(get_template_directory()).tutor()->template_path.$file)){
276	$file_path = $file;
277	}
278
279	if ($file_path){
280	$override_files[] = str_replace( WP_CONTENT_DIR.'/themes/', '', $file_path );
281	}
282	}
283
284	return $override_files;
285	}
286
287	public static function get_environment_info(){
288
289	// Figure out cURL version, if installed.
290	$curl_version = '';
291	if ( function_exists( 'curl_version' ) ) {
292	$curl_version = curl_version();
293	$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
294	}
295
296
297	// WP memory limit.
298	$wp_memory_limit = tutor_utils()->let_to_num(WP_MEMORY_LIMIT);
299	if ( function_exists( 'memory_get_usage' ) ) {
300	$wp_memory_limit = max( $wp_memory_limit, tutor_utils()->let_to_num( @ini_get( 'memory_limit' ) ) );
301	}
302
303	$database_version = tutor_utils()->get_db_version();
304
305	return array(
306	'home_url' => get_option( 'home' ),
307	'site_url' => get_option( 'siteurl' ),
308	'version' => tutor()->version,
309	'wp_version' => get_bloginfo( 'version' ),
310	'wp_multisite' => is_multisite(),
311	'wp_memory_limit' => $wp_memory_limit,
312	'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
313	'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
314	'language' => get_locale(),
315	'external_object_cache' => wp_using_ext_object_cache(),
316	'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
317	'php_version' => phpversion(),
318	'php_post_max_size' => tutor_utils()->let_to_num( ini_get( 'post_max_size' ) ),
319	'php_max_execution_time' => ini_get( 'max_execution_time' ),
320	'php_max_input_vars' => ini_get( 'max_input_vars' ),
321	'curl_version' => $curl_version,
322	'suhosin_installed' => extension_loaded( 'suhosin' ),
323	'max_upload_size' => wp_max_upload_size(),
324	'mysql_version' => $database_version['number'],
325	'mysql_version_string' => $database_version['string'],
326	'default_timezone' => date_default_timezone_get(),
327	'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) \|\| function_exists( 'curl_init' ) ),
328	'soapclient_enabled' => class_exists( 'SoapClient' ),
329	'domdocument_enabled' => class_exists( 'DOMDocument' ),
330	'gzip_enabled' => is_callable( 'gzopen' ),
331	'mbstring_enabled' => extension_loaded( 'mbstring' ),
332	);
333	}
334
335
336	public function erase_tutor_data(){
337	global $wpdb;
338
339	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
340	/*D/ //=> Deleting Data
341
342	$plugin_file = tutor()->basename;
343	if ($is_erase_data && current_user_can( 'deactivate_plugin', $plugin_file )) {
344	/**
345	* Deleting Post Type, Meta Data, taxonomy
346	*/
347	$course_post_type = tutor()->course_post_type;
348	$lesson_post_type = tutor()->lesson_post_type;
349
350	$post_types = array(
351	$course_post_type,
352	$lesson_post_type,
353	'tutor_quiz',
354	'tutor_enrolled',
355	'topics',
356	'tutor_enrolled',
357	'tutor_announcements',
358	);
359
360	$post_type_strings = "'".implode("','", $post_types)."'";
361	$tutor_posts = $wpdb->get_col("SELECT ID from {$wpdb->posts} WHERE post_type in({$post_type_strings}) ;");
362
363	if (is_array($tutor_posts) && count($tutor_posts)){
364	foreach ($tutor_posts as $post_id){
365	//Delete categories
366	$terms = wp_get_object_terms( $post_id, 'course-category' );
367	foreach( $terms as $term ){
368	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-category' );
369	}
370
371	//Delete tags if available
372	$terms = wp_get_object_terms( $post_id, 'course-tag' );
373	foreach( $terms as $term ){
374	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-tag' );
375	}
376
377	//Delete All Meta
378	/*D/ $wpdb->delete($wpdb->postmeta, array('post_id' => $post_id) );
379	/*D/ $wpdb->delete($wpdb->posts, array('ID' => $post_id) );
380	}
381	}
382
383	/**
384	* Deleting Comments (reviews, questions, quiz_answers, etc)
385	*/
386	$tutor_comments = $wpdb->get_col("SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;");
387	$comments_ids_strings = "'".implode("','", $tutor_comments)."'";
388	if (is_array($tutor_comments) && count($tutor_comments)){
389	/*D/ $wpdb->query("DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$comments_ids_strings}) ");
390	}
391	/*D/ $wpdb->delete($wpdb->comments, array('comment_agent' => 'comment_agent'));
392
393	/**
394	* Delete Options
395	*/
396
397	/*D/ delete_option('tutor_option');
398	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_student'));
399	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_approved'));
400	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_status'));
401	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_instructor'));
402	/*D/ $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' ");
403
404	//Deleting Table
405	$prefix = $wpdb->prefix;
406	/*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, {$prefix}tutor_withdraws ");
407
408	deactivate_plugins($plugin_file);
409	}
410
411	wp_redirect('plugins.php');
412	die();
413	}
414
415	public function plugin_action_links($actions){
416	$hasPro = tutor()->has_pro;
417
418	if(!$hasPro){
419	$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
420	style="color: #ff7742; font-weight: bold;">' . __('Upgrade to Pro', 'wp-megamenu') . '</span></a>';
421	}
422
423	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
424
425	if ($is_erase_data) {
426	$plugin_file = tutor()->basename;
427	if ( current_user_can( 'deactivate_plugin', $plugin_file ) ) {
428	if ( isset( $actions['deactivate'] ) ) {
429	$actions['deactivate'] = '<a href="admin.php?page=tutor-tools&tutor_admin_tools_page=uninstall">' . __('Uninstall', 'tutor') . '</a>';
430	}
431	}
432	}
433
434	$actions['settings'] = '<a href="admin.php?page=tutor_settings">' . __('Settings', 'tutor') . '</a>';
435	return $actions;
436	}
437
438	public function plugin_row_meta($plugin_meta, $plugin_file){
439
440	if ($plugin_file === tutor()->basename) {
441	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
442	esc_url( 'https://docs.themeum.com/tutor-lms/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_docs_link' ),
443	__( '<strong style="color: #03bd24">Documentation</strong>', 'tutor' )
444	);
445	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
446	esc_url( 'https://www.themeum.com/support-forums/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_support_link' ),
447	__( '<strong style="color: #03bd24">Get Support</strong>', 'tutor' )
448	);
449	}
450
451	return $plugin_meta;
452	}
453
454	/**
455	* @param $footer_text
456	*
457	* @return string
458	*
459	* Add footer text only on tutor pages
460	*/
461	public function admin_footer_text( $footer_text ) {
462	$current_screen = get_current_screen();
463
464	/**
465	* We are making sure that this message will be only on Tutor Admin page
466	*/
467	if ( apply_filters( 'tutor_display_admin_footer_text', (tutor_utils()->array_get('parent_base', $current_screen) === 'tutor' ) ) ) {
468	$footer_text = sprintf(
469	__( 'If you like %1$s please leave us a %2$s rating. A huge thanks in advance!', 'tutor' ),
470	sprintf( '<strong>%s</strong>', esc_html__( 'Tutor LMS', 'tutor' ) ),
471	'<a href="https://wordpress.org/support/plugin/tutor/reviews?rate=5#new-post" target="_blank" class="tutor-rating-link">★★★★★</a>'
472	);
473	}
474
475	return $footer_text;
476	}
477
478
479	public function register_course_widget(){
480	register_widget( 'Tutor\Course_Widget' );
481	}
482
483
484	}