Admin.php — Tutor LMS – eLearning and online course solution 1.4.2

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_Settings_Tabs.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

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