Admin.php — Tutor LMS – eLearning and online course solution 1.3.0

tutor / classes / Admin.php

tutor / classes Last commit date

Addons.php 7 years ago Admin.php 7 years ago Ajax.php 7 years ago Assets.php 7 years ago Course.php 7 years ago Gutenberg.php 7 years ago Instructor.php 7 years ago Instructors_List.php 7 years ago Lesson.php 7 years ago Options.php 7 years ago Post_types.php 7 years ago Q_and_A.php 7 years ago Question.php 7 years ago Question_Answers_List.php 7 years ago Quiz.php 7 years ago Quiz_Attempts_List.php 7 years ago Rewrite_Rules.php 7 years ago Shortcode.php 7 years ago Student.php 7 years ago Students_List.php 7 years ago Taxonomies.php 7 years ago Template.php 7 years ago Theme_Compatibility.php 7 years ago Tools.php 7 years ago Tutor.php 7 years ago TutorEDD.php 7 years ago Tutor_Base.php 7 years ago Tutor_List_Table.php 7 years ago User.php 7 years ago Utils.php 7 years ago Video_Stream.php 7 years ago Withdraw.php 7 years ago Withdraw_Requests_List.php 7 years ago WooCommerce.php 7 years ago

Admin.php

460 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	}
33
34	public function register_menu(){
35	$hasPro = tutor()->has_pro;
36
37	$unanswered_questions = tutor_utils()->unanswered_question_count();
38	$unanswered_bubble = '';
39	if ($unanswered_questions){
40	$unanswered_bubble = '<span class="update-plugins count-'.$unanswered_questions.'"><span class="plugin-count">'.$unanswered_questions.'</span></span>';
41	}
42
43	$course_post_type = tutor()->course_post_type;
44
45	add_menu_page(__('Tutor LMS', 'tutor'), __('Tutor LMS', 'tutor'), 'manage_tutor_instructor', 'tutor', null, 'dashicons-welcome-learn-more', 2);
46
47	add_submenu_page('tutor', __('Categories', 'tutor'), __('Categories', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type, null );
48
49	add_submenu_page('tutor', __('Tags', 'tutor'), __('Tags', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type, null );
50
51	add_submenu_page('tutor', __('Students', 'tutor'), __('Students', 'tutor'), 'manage_tutor', 'tutor-students', array($this, 'tutor_students') );
52
53	add_submenu_page('tutor', __('Instructors', 'tutor'), __('Instructors', 'tutor'), 'manage_tutor', 'tutor-instructors', array($this, 'tutor_instructors') );
54
55	add_submenu_page('tutor', __('Q & A', 'tutor'), __('Q & A '.$unanswered_bubble, 'tutor'), 'manage_tutor_instructor', 'question_answer', array($this, 'question_answer') );
56
57	add_submenu_page('tutor', __('Quiz Attempts', 'tutor'), __('Quiz Attempts', 'tutor'), 'manage_tutor_instructor', 'tutor_quiz_attempts',array($this, 'quiz_attempts') );
58	add_submenu_page('tutor', __('Withdraw Requests', 'tutor'), __('Withdraw Requests', 'tutor'), 'manage_tutor_instructor', 'tutor_withdraw_requests', array($this, 'withdraw_requests') );
59
60	//add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array(new Addons(),'addons_page') );
61	add_submenu_page( 'tutor', __( 'Add-ons', 'tutor' ), __( 'Add-ons', 'tutor' ), 'manage_tutor', 'tutor-addons', array( $this, 'enable_disable_addons' ) );
62
63
64	add_submenu_page('tutor', __('Status', 'tutor'), __('Status', 'tutor'), 'manage_tutor', 'tutor-status', array($this, 'tutor_status') );
65
66	do_action('tutor_admin_register');
67
68	add_submenu_page('tutor', __('Settings', 'tutor'), __('Settings', 'tutor'), 'manage_tutor', 'tutor_settings', array($this, 'tutor_page') );
69
70	add_submenu_page('tutor',__('Uninstall Tutor LMS', 'tutor'), null, 'deactivate_plugin', 'tutor-uninstall', array($this, 'tutor_uninstall'));
71	/*
72	if ( ! $hasPro){
73	add_submenu_page( 'tutor', __( 'Get Pro', 'tutor' ), __( '<span class="dashicons dashicons-awards tutor-get-pro-text"></span> Get Pro', 'tutor' ), 'manage_options', 'tutor-get-pro', array($this, 'tutor_get_pro') );
74	}*/
75
76	}
77
78	public function tutor_page(){
79	$tutor_option = new Options();
80	echo apply_filters('tutor/options/generated-html', $tutor_option->generate());
81	}
82
83	public function tutor_students(){
84	include tutor()->path.'views/pages/students.php';
85	}
86
87	public function tutor_instructors(){
88	include tutor()->path.'views/pages/instructors.php';
89	}
90
91	public function question_answer(){
92	include tutor()->path.'views/pages/question_answer.php';
93	}
94
95	public function quiz_attempts(){
96	include tutor()->path.'views/pages/quiz_attempts.php';
97	}
98
99	/**
100	* Show the withdraw requests table
101	*
102	* @since v.1.2.0
103	*/
104	public function withdraw_requests(){
105	include tutor()->path.'views/pages/withdraw_requests.php';
106	}
107
108	public function enable_disable_addons(){
109
110	if (defined('TUTOR_PRO_VERSION')) {
111	include tutor()->path.'views/pages/enable_disable_addons.php';
112	}else{
113	include tutor()->path.'views/pages/tutor-pro-addons.php';
114	}
115	}
116
117	public function tutor_status(){
118	include tutor()->path.'views/pages/status.php';
119	}
120
121	public function tutor_uninstall(){
122	include tutor()->path.'views/pages/uninstall.php';
123	}
124
125	public function tutor_get_pro(){
126	include tutor()->path.'views/pages/get-pro.php';
127	}
128
129	public function parent_menu_active( $parent_file ){
130	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
131	if ($taxonomy === 'course-category' \|\| $taxonomy === 'course-tag'){
132	return 'tutor';
133	}
134
135	return $parent_file;
136	}
137
138	public function submenu_file_active($submenu_file, $parent_file){
139	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
140	$course_post_type = tutor()->course_post_type;
141
142	if ($taxonomy === 'course-category'){
143	return 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type;
144	}
145	if ($taxonomy === 'course-tag'){
146	return 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type;
147	}
148
149
150	return $submenu_file;
151	}
152
153	/**
154	* Filter posts for instructor
155	*/
156	public function filter_posts_for_instructors(){
157	if ( ! current_user_can('administrator') && current_user_can(tutor()->instructor_role)){
158	remove_menu_page( 'edit-comments.php' ); //Comments
159	add_filter( 'posts_clauses_request', array($this, 'posts_clauses_request') );
160	}
161	}
162
163	public function posts_clauses_request($clauses){
164	global $wpdb;
165
166	$user_id = get_current_user_id();
167
168	$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} ");
169
170	$custom_author_query = "AND {$wpdb->posts}.post_author = {$user_id}";
171	if (is_array($get_assigned_courses_ids) && count($get_assigned_courses_ids)){
172	$in_query_pre = implode(',', $get_assigned_courses_ids);
173	$custom_author_query = " AND ( {$wpdb->posts}.post_author = {$user_id} OR {$wpdb->posts}.ID IN({$in_query_pre}) ) ";
174	}
175
176	$clauses['where'] .= $custom_author_query;
177
178	return $clauses;
179	}
180
181	/**
182	* Prevent unauthorised course/lesson edit page by direct URL
183	*
184	* @since v.1.0.0
185	*/
186	public function check_if_current_users_post(){
187	if (current_user_can('administrator') \|\| ! current_user_can(tutor()->instructor_role)) {
188	return;
189	}
190
191	if (! empty($_GET['post']) ) {
192	$get_post_id = (int) sanitize_text_field($_GET['post']);
193	$get_post = get_post($get_post_id);
194	$tutor_post_types = array(tutor()->course_post_type, tutor()->lesson_post_type);
195
196	$current_user = get_current_user_id();
197
198	if (in_array($get_post->post_type, $tutor_post_types) && $get_post->post_author != $current_user){
199	global $wpdb;
200
201	$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} ");
202
203	if ( ! $get_assigned_courses_ids){
204	wp_die(__('Permission Denied', 'tutor'));
205	}
206
207	}
208	}
209	}
210
211	/**
212	* Status
213	*/
214
215	public static function scan_template_files( $template_path = null ) {
216	if ( ! $template_path){
217	$template_path = tutor()->path.'templates/';
218	}
219
220	$files = @scandir( $template_path ); // @codingStandardsIgnoreLine.
221	$result = array();
222
223	if ( ! empty( $files ) ) {
224	foreach ( $files as $key => $value ) {
225	if ( ! in_array( $value, array( '.', '..', '.DS_Store' ), true ) ) {
226	if ( is_dir( $template_path . DIRECTORY_SEPARATOR . $value ) ) {
227	$sub_files = self::scan_template_files( $template_path . DIRECTORY_SEPARATOR . $value );
228	foreach ( $sub_files as $sub_file ) {
229	$result[] = $value . DIRECTORY_SEPARATOR . $sub_file;
230	}
231	} else {
232	$result[] = $value;
233	}
234	}
235	}
236	}
237	return $result;
238	}
239
240	/**
241	* @return array
242	*
243	*
244	*/
245	public static function template_overridden_files(){
246	$template_files = self::scan_template_files();
247
248	$override_files = array();
249	foreach ($template_files as $file){
250	$file_path = null;
251	if (file_exists(trailingslashit(get_stylesheet_directory()).tutor()->template_path.$file)){
252	$file_path = $file;
253	}elseif (file_exists(trailingslashit(get_template_directory()).tutor()->template_path.$file)){
254	$file_path = $file;
255	}
256
257	if ($file_path){
258	$override_files[] = str_replace( WP_CONTENT_DIR.'/themes/', '', $file_path );
259	}
260	}
261
262	return $override_files;
263	}
264
265	public static function get_environment_info(){
266
267	// Figure out cURL version, if installed.
268	$curl_version = '';
269	if ( function_exists( 'curl_version' ) ) {
270	$curl_version = curl_version();
271	$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
272	}
273
274
275	// WP memory limit.
276	$wp_memory_limit = tutor_utils()->let_to_num(WP_MEMORY_LIMIT);
277	if ( function_exists( 'memory_get_usage' ) ) {
278	$wp_memory_limit = max( $wp_memory_limit, tutor_utils()->let_to_num( @ini_get( 'memory_limit' ) ) );
279	}
280
281	$database_version = tutor_utils()->get_db_version();
282
283	return array(
284	'home_url' => get_option( 'home' ),
285	'site_url' => get_option( 'siteurl' ),
286	'version' => tutor()->version,
287	'wp_version' => get_bloginfo( 'version' ),
288	'wp_multisite' => is_multisite(),
289	'wp_memory_limit' => $wp_memory_limit,
290	'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
291	'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
292	'language' => get_locale(),
293	'external_object_cache' => wp_using_ext_object_cache(),
294	'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
295	'php_version' => phpversion(),
296	'php_post_max_size' => tutor_utils()->let_to_num( ini_get( 'post_max_size' ) ),
297	'php_max_execution_time' => ini_get( 'max_execution_time' ),
298	'php_max_input_vars' => ini_get( 'max_input_vars' ),
299	'curl_version' => $curl_version,
300	'suhosin_installed' => extension_loaded( 'suhosin' ),
301	'max_upload_size' => wp_max_upload_size(),
302	'mysql_version' => $database_version['number'],
303	'mysql_version_string' => $database_version['string'],
304	'default_timezone' => date_default_timezone_get(),
305	'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) \|\| function_exists( 'curl_init' ) ),
306	'soapclient_enabled' => class_exists( 'SoapClient' ),
307	'domdocument_enabled' => class_exists( 'DOMDocument' ),
308	'gzip_enabled' => is_callable( 'gzopen' ),
309	'mbstring_enabled' => extension_loaded( 'mbstring' ),
310	);
311
312	}
313
314
315	public function erase_tutor_data(){
316	global $wpdb;
317
318	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
319	/*D/ //=> Deleting Data
320
321	$plugin_file = tutor()->basename;
322	if ($is_erase_data && current_user_can( 'deactivate_plugin', $plugin_file )) {
323	/**
324	* Deleting Post Type, Meta Data, taxonomy
325	*/
326	$course_post_type = tutor()->course_post_type;
327	$lesson_post_type = tutor()->lesson_post_type;
328
329	$post_types = array(
330	$course_post_type,
331	$lesson_post_type,
332	'tutor_quiz',
333	'tutor_question',
334	'tutor_enrolled',
335	'topics',
336	'tutor_enrolled',
337	'tutor_announcements',
338	);
339
340	$post_type_strings = "'".implode("','", $post_types)."'";
341	$tutor_posts = $wpdb->get_col("SELECT ID from {$wpdb->posts} WHERE post_type in({$post_type_strings}) ;");
342
343	if (is_array($tutor_posts) && count($tutor_posts)){
344	foreach ($tutor_posts as $post_id){
345	//Delete categories
346	$terms = wp_get_object_terms( $post_id, 'course-category' );
347	foreach( $terms as $term ){
348	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-category' );
349	}
350
351	//Delete tags if available
352	$terms = wp_get_object_terms( $post_id, 'course-tag' );
353	foreach( $terms as $term ){
354	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-tag' );
355	}
356
357	//Delete All Meta
358	/*D/ $wpdb->delete($wpdb->postmeta, array('post_id' => $post_id) );
359	/*D/ $wpdb->delete($wpdb->posts, array('ID' => $post_id) );
360	}
361	}
362
363	/**
364	* Deleting Comments (reviews, questions, quiz_answers, etc)
365	*/
366	$tutor_comments = $wpdb->get_col("SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;");
367	$comments_ids_strings = "'".implode("','", $tutor_comments)."'";
368	if (is_array($tutor_comments) && count($tutor_comments)){
369	/*D/ $wpdb->query("DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$comments_ids_strings}) ");
370	}
371	/*D/ $wpdb->delete($wpdb->comments, array('comment_agent' => 'comment_agent'));
372
373	/**
374	* Delete Options
375	*/
376
377	/*D/ delete_option('tutor_option');
378	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_student'));
379	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_approved'));
380	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_status'));
381	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_instructor'));
382	/*D/ $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' ");
383
384	//Deleting Table
385	$prefix = $wpdb->prefix;
386	/*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, {$prefix}tutor_withdraws ");
387
388	deactivate_plugins($plugin_file);
389	}
390
391	wp_redirect('plugins.php');
392	die();
393	}
394
395	public function plugin_action_links($actions){
396	/*$hasPro = tutor()->has_pro;
397
398	if(!$hasPro){
399	$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
400	style="color: #39a700eb; font-weight: bold;">'.__('Upgrade to Pro', 'wp-megamenu').'</span></a>';
401	}*/
402
403	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
404
405	if ($is_erase_data) {
406	$plugin_file = tutor()->basename;
407	if ( current_user_can( 'deactivate_plugin', $plugin_file ) ) {
408	if ( isset( $actions['deactivate'] ) ) {
409	$actions['deactivate'] = '<a href="admin.php?page=tutor-uninstall">' . __('Uninstall', 'tutor') . '</a>';
410	}
411	}
412	}
413
414	$actions['settings'] = '<a href="admin.php?page=tutor_settings">' . __('Settings', 'tutor') . '</a>';
415	return $actions;
416	}
417
418	public function plugin_row_meta($plugin_meta, $plugin_file){
419
420	if ($plugin_file === tutor()->basename) {
421	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
422	esc_url( 'https://www.themeum.com/docs/tutor-introduction/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_docs_link' ),
423	__( '<strong style="color: #03bd24">Documentation</strong>', 'tutor' )
424	);
425	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
426	esc_url( 'https://www.themeum.com/support-forums/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_support_link' ),
427	__( '<strong style="color: #03bd24">Get Support</strong>', 'tutor' )
428	);
429	}
430
431	return $plugin_meta;
432	}
433
434	/**
435	* @param $footer_text
436	*
437	* @return string
438	*
439	* Add footer text only on tutor pages
440	*/
441	public function admin_footer_text( $footer_text ) {
442	$current_screen = get_current_screen();
443	$tutor_pages = tutor_utils()->tutor_get_screen_ids();
444
445	/**
446	* We are making sure that this message will be only on Tutor Admin page
447	*/
448	if ( isset( $current_screen->id ) && apply_filters( 'tutor_display_admin_footer_text', in_array( $current_screen->id, $tutor_pages ) ) ) {
449	$footer_text = sprintf(
450	__( 'If you like %1$s please leave us a %2$s rating. A huge thanks in advance!', 'tutor' ),
451	sprintf( '<strong>%s</strong>', esc_html__( 'Tutor LMS', 'tutor' ) ),
452	'<a href="https://wordpress.org/support/plugin/tutor/reviews?rate=5#new-post" target="_blank" class="tutor-rating-link">★★★★★</a>'
453	);
454	}
455
456	return $footer_text;
457	}
458
459
460	}