Admin.php — Tutor LMS – eLearning and online course solution 1.3.1

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 Course_Widget.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

468 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( $this, 'admin_footer_text' ), 1 );
32
33	//Register Course Widget
34	add_action( 'widgets_init', array($this, 'register_course_widget') );
35	}
36
37	public function register_menu(){
38	$hasPro = tutor()->has_pro;
39
40	$unanswered_questions = tutor_utils()->unanswered_question_count();
41	$unanswered_bubble = '';
42	if ($unanswered_questions){
43	$unanswered_bubble = '<span class="update-plugins count-'.$unanswered_questions.'"><span class="plugin-count">'.$unanswered_questions.'</span></span>';
44	}
45
46	$course_post_type = tutor()->course_post_type;
47
48	add_menu_page(__('Tutor LMS', 'tutor'), __('Tutor LMS', 'tutor'), 'manage_tutor_instructor', 'tutor', null, 'dashicons-welcome-learn-more', 2);
49
50	add_submenu_page('tutor', __('Categories', 'tutor'), __('Categories', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type, null );
51
52	add_submenu_page('tutor', __('Tags', 'tutor'), __('Tags', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type, null );
53
54	add_submenu_page('tutor', __('Students', 'tutor'), __('Students', 'tutor'), 'manage_tutor', 'tutor-students', array($this, 'tutor_students') );
55
56	add_submenu_page('tutor', __('Instructors', 'tutor'), __('Instructors', 'tutor'), 'manage_tutor', 'tutor-instructors', array($this, 'tutor_instructors') );
57
58	add_submenu_page('tutor', __('Q & A', 'tutor'), __('Q & A '.$unanswered_bubble, 'tutor'), 'manage_tutor_instructor', 'question_answer', array($this, 'question_answer') );
59
60	add_submenu_page('tutor', __('Quiz Attempts', 'tutor'), __('Quiz Attempts', 'tutor'), 'manage_tutor_instructor', 'tutor_quiz_attempts',array($this, 'quiz_attempts') );
61	add_submenu_page('tutor', __('Withdraw Requests', 'tutor'), __('Withdraw Requests', 'tutor'), 'manage_tutor_instructor', 'tutor_withdraw_requests', array($this, 'withdraw_requests') );
62
63	//add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array(new Addons(),'addons_page') );
64	add_submenu_page( 'tutor', __( 'Add-ons', 'tutor' ), __( 'Add-ons', 'tutor' ), 'manage_tutor', 'tutor-addons', array( $this, 'enable_disable_addons' ) );
65
66
67	add_submenu_page('tutor', __('Status', 'tutor'), __('Status', 'tutor'), 'manage_tutor', 'tutor-status', array($this, 'tutor_status') );
68
69	do_action('tutor_admin_register');
70
71	add_submenu_page('tutor', __('Settings', 'tutor'), __('Settings', 'tutor'), 'manage_tutor', 'tutor_settings', array($this, 'tutor_page') );
72
73	add_submenu_page('tutor',__('Uninstall Tutor LMS', 'tutor'), null, 'deactivate_plugin', 'tutor-uninstall', array($this, 'tutor_uninstall'));
74	/*
75	if ( ! $hasPro){
76	add_submenu_page( 'tutor', __( 'Get Pro', 'tutor' ), __( '<span class="dashicons dashicons-awards tutor-get-pro-text"></span> Get Pro', 'tutor' ), 'manage_options', 'tutor-get-pro', array($this, 'tutor_get_pro') );
77	}*/
78
79	}
80
81	public function tutor_page(){
82	$tutor_option = new Options();
83	echo apply_filters('tutor/options/generated-html', $tutor_option->generate());
84	}
85
86	public function tutor_students(){
87	include tutor()->path.'views/pages/students.php';
88	}
89
90	public function tutor_instructors(){
91	include tutor()->path.'views/pages/instructors.php';
92	}
93
94	public function question_answer(){
95	include tutor()->path.'views/pages/question_answer.php';
96	}
97
98	public function quiz_attempts(){
99	include tutor()->path.'views/pages/quiz_attempts.php';
100	}
101
102	/**
103	* Show the withdraw requests table
104	*
105	* @since v.1.2.0
106	*/
107	public function withdraw_requests(){
108	include tutor()->path.'views/pages/withdraw_requests.php';
109	}
110
111	public function enable_disable_addons(){
112
113	if (defined('TUTOR_PRO_VERSION')) {
114	include tutor()->path.'views/pages/enable_disable_addons.php';
115	}else{
116	include tutor()->path.'views/pages/tutor-pro-addons.php';
117	}
118	}
119
120	public function tutor_status(){
121	include tutor()->path.'views/pages/status.php';
122	}
123
124	public function tutor_uninstall(){
125	include tutor()->path.'views/pages/uninstall.php';
126	}
127
128	public function tutor_get_pro(){
129	include tutor()->path.'views/pages/get-pro.php';
130	}
131
132	public function parent_menu_active( $parent_file ){
133	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
134	if ($taxonomy === 'course-category' \|\| $taxonomy === 'course-tag'){
135	return 'tutor';
136	}
137
138	return $parent_file;
139	}
140
141	public function submenu_file_active($submenu_file, $parent_file){
142	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
143	$course_post_type = tutor()->course_post_type;
144
145	if ($taxonomy === 'course-category'){
146	return 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type;
147	}
148	if ($taxonomy === 'course-tag'){
149	return 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type;
150	}
151
152
153	return $submenu_file;
154	}
155
156	/**
157	* Filter posts for instructor
158	*/
159	public function filter_posts_for_instructors(){
160	if ( ! current_user_can('administrator') && current_user_can(tutor()->instructor_role)){
161	remove_menu_page( 'edit-comments.php' ); //Comments
162	add_filter( 'posts_clauses_request', array($this, 'posts_clauses_request') );
163	}
164	}
165
166	public function posts_clauses_request($clauses){
167	global $wpdb;
168
169	$user_id = get_current_user_id();
170
171	$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} ");
172
173	$custom_author_query = "AND {$wpdb->posts}.post_author = {$user_id}";
174	if (is_array($get_assigned_courses_ids) && count($get_assigned_courses_ids)){
175	$in_query_pre = implode(',', $get_assigned_courses_ids);
176	$custom_author_query = " AND ( {$wpdb->posts}.post_author = {$user_id} OR {$wpdb->posts}.ID IN({$in_query_pre}) ) ";
177	}
178
179	$clauses['where'] .= $custom_author_query;
180
181	return $clauses;
182	}
183
184	/**
185	* Prevent unauthorised course/lesson edit page by direct URL
186	*
187	* @since v.1.0.0
188	*/
189	public function check_if_current_users_post(){
190	if (current_user_can('administrator') \|\| ! current_user_can(tutor()->instructor_role)) {
191	return;
192	}
193
194	if (! empty($_GET['post']) ) {
195	$get_post_id = (int) sanitize_text_field($_GET['post']);
196	$get_post = get_post($get_post_id);
197	$tutor_post_types = array(tutor()->course_post_type, tutor()->lesson_post_type);
198
199	$current_user = get_current_user_id();
200
201	if (in_array($get_post->post_type, $tutor_post_types) && $get_post->post_author != $current_user){
202	global $wpdb;
203
204	$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} ");
205
206	if ( ! $get_assigned_courses_ids){
207	wp_die(__('Permission Denied', 'tutor'));
208	}
209
210	}
211	}
212	}
213
214	/**
215	* Status
216	*/
217
218	public static function scan_template_files( $template_path = null ) {
219	if ( ! $template_path){
220	$template_path = tutor()->path.'templates/';
221	}
222
223	$files = @scandir( $template_path ); // @codingStandardsIgnoreLine.
224	$result = array();
225
226	if ( ! empty( $files ) ) {
227	foreach ( $files as $key => $value ) {
228	if ( ! in_array( $value, array( '.', '..', '.DS_Store' ), true ) ) {
229	if ( is_dir( $template_path . DIRECTORY_SEPARATOR . $value ) ) {
230	$sub_files = self::scan_template_files( $template_path . DIRECTORY_SEPARATOR . $value );
231	foreach ( $sub_files as $sub_file ) {
232	$result[] = $value . DIRECTORY_SEPARATOR . $sub_file;
233	}
234	} else {
235	$result[] = $value;
236	}
237	}
238	}
239	}
240	return $result;
241	}
242
243	/**
244	* @return array
245	*
246	*
247	*/
248	public static function template_overridden_files(){
249	$template_files = self::scan_template_files();
250
251	$override_files = array();
252	foreach ($template_files as $file){
253	$file_path = null;
254	if (file_exists(trailingslashit(get_stylesheet_directory()).tutor()->template_path.$file)){
255	$file_path = $file;
256	}elseif (file_exists(trailingslashit(get_template_directory()).tutor()->template_path.$file)){
257	$file_path = $file;
258	}
259
260	if ($file_path){
261	$override_files[] = str_replace( WP_CONTENT_DIR.'/themes/', '', $file_path );
262	}
263	}
264
265	return $override_files;
266	}
267
268	public static function get_environment_info(){
269
270	// Figure out cURL version, if installed.
271	$curl_version = '';
272	if ( function_exists( 'curl_version' ) ) {
273	$curl_version = curl_version();
274	$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
275	}
276
277
278	// WP memory limit.
279	$wp_memory_limit = tutor_utils()->let_to_num(WP_MEMORY_LIMIT);
280	if ( function_exists( 'memory_get_usage' ) ) {
281	$wp_memory_limit = max( $wp_memory_limit, tutor_utils()->let_to_num( @ini_get( 'memory_limit' ) ) );
282	}
283
284	$database_version = tutor_utils()->get_db_version();
285
286	return array(
287	'home_url' => get_option( 'home' ),
288	'site_url' => get_option( 'siteurl' ),
289	'version' => tutor()->version,
290	'wp_version' => get_bloginfo( 'version' ),
291	'wp_multisite' => is_multisite(),
292	'wp_memory_limit' => $wp_memory_limit,
293	'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
294	'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
295	'language' => get_locale(),
296	'external_object_cache' => wp_using_ext_object_cache(),
297	'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
298	'php_version' => phpversion(),
299	'php_post_max_size' => tutor_utils()->let_to_num( ini_get( 'post_max_size' ) ),
300	'php_max_execution_time' => ini_get( 'max_execution_time' ),
301	'php_max_input_vars' => ini_get( 'max_input_vars' ),
302	'curl_version' => $curl_version,
303	'suhosin_installed' => extension_loaded( 'suhosin' ),
304	'max_upload_size' => wp_max_upload_size(),
305	'mysql_version' => $database_version['number'],
306	'mysql_version_string' => $database_version['string'],
307	'default_timezone' => date_default_timezone_get(),
308	'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) \|\| function_exists( 'curl_init' ) ),
309	'soapclient_enabled' => class_exists( 'SoapClient' ),
310	'domdocument_enabled' => class_exists( 'DOMDocument' ),
311	'gzip_enabled' => is_callable( 'gzopen' ),
312	'mbstring_enabled' => extension_loaded( 'mbstring' ),
313	);
314
315	}
316
317
318	public function erase_tutor_data(){
319	global $wpdb;
320
321	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
322	/*D/ //=> Deleting Data
323
324	$plugin_file = tutor()->basename;
325	if ($is_erase_data && current_user_can( 'deactivate_plugin', $plugin_file )) {
326	/**
327	* Deleting Post Type, Meta Data, taxonomy
328	*/
329	$course_post_type = tutor()->course_post_type;
330	$lesson_post_type = tutor()->lesson_post_type;
331
332	$post_types = array(
333	$course_post_type,
334	$lesson_post_type,
335	'tutor_quiz',
336	'tutor_question',
337	'tutor_enrolled',
338	'topics',
339	'tutor_enrolled',
340	'tutor_announcements',
341	);
342
343	$post_type_strings = "'".implode("','", $post_types)."'";
344	$tutor_posts = $wpdb->get_col("SELECT ID from {$wpdb->posts} WHERE post_type in({$post_type_strings}) ;");
345
346	if (is_array($tutor_posts) && count($tutor_posts)){
347	foreach ($tutor_posts as $post_id){
348	//Delete categories
349	$terms = wp_get_object_terms( $post_id, 'course-category' );
350	foreach( $terms as $term ){
351	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-category' );
352	}
353
354	//Delete tags if available
355	$terms = wp_get_object_terms( $post_id, 'course-tag' );
356	foreach( $terms as $term ){
357	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-tag' );
358	}
359
360	//Delete All Meta
361	/*D/ $wpdb->delete($wpdb->postmeta, array('post_id' => $post_id) );
362	/*D/ $wpdb->delete($wpdb->posts, array('ID' => $post_id) );
363	}
364	}
365
366	/**
367	* Deleting Comments (reviews, questions, quiz_answers, etc)
368	*/
369	$tutor_comments = $wpdb->get_col("SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;");
370	$comments_ids_strings = "'".implode("','", $tutor_comments)."'";
371	if (is_array($tutor_comments) && count($tutor_comments)){
372	/*D/ $wpdb->query("DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$comments_ids_strings}) ");
373	}
374	/*D/ $wpdb->delete($wpdb->comments, array('comment_agent' => 'comment_agent'));
375
376	/**
377	* Delete Options
378	*/
379
380	/*D/ delete_option('tutor_option');
381	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_student'));
382	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_approved'));
383	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_status'));
384	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_instructor'));
385	/*D/ $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' ");
386
387	//Deleting Table
388	$prefix = $wpdb->prefix;
389	/*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, {$prefix}tutor_withdraws ");
390
391	deactivate_plugins($plugin_file);
392	}
393
394	wp_redirect('plugins.php');
395	die();
396	}
397
398	public function plugin_action_links($actions){
399	/*$hasPro = tutor()->has_pro;
400
401	if(!$hasPro){
402	$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
403	style="color: #39a700eb; font-weight: bold;">'.__('Upgrade to Pro', 'wp-megamenu').'</span></a>';
404	}*/
405
406	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
407
408	if ($is_erase_data) {
409	$plugin_file = tutor()->basename;
410	if ( current_user_can( 'deactivate_plugin', $plugin_file ) ) {
411	if ( isset( $actions['deactivate'] ) ) {
412	$actions['deactivate'] = '<a href="admin.php?page=tutor-uninstall">' . __('Uninstall', 'tutor') . '</a>';
413	}
414	}
415	}
416
417	$actions['settings'] = '<a href="admin.php?page=tutor_settings">' . __('Settings', 'tutor') . '</a>';
418	return $actions;
419	}
420
421	public function plugin_row_meta($plugin_meta, $plugin_file){
422
423	if ($plugin_file === tutor()->basename) {
424	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
425	esc_url( 'https://www.themeum.com/docs/tutor-introduction/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_docs_link' ),
426	__( '<strong style="color: #03bd24">Documentation</strong>', 'tutor' )
427	);
428	$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
429	esc_url( 'https://www.themeum.com/support-forums/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_support_link' ),
430	__( '<strong style="color: #03bd24">Get Support</strong>', 'tutor' )
431	);
432	}
433
434	return $plugin_meta;
435	}
436
437	/**
438	* @param $footer_text
439	*
440	* @return string
441	*
442	* Add footer text only on tutor pages
443	*/
444	public function admin_footer_text( $footer_text ) {
445	$current_screen = get_current_screen();
446	$tutor_pages = tutor_utils()->tutor_get_screen_ids();
447
448	/**
449	* We are making sure that this message will be only on Tutor Admin page
450	*/
451	if ( isset( $current_screen->id ) && apply_filters( 'tutor_display_admin_footer_text', in_array( $current_screen->id, $tutor_pages ) ) ) {
452	$footer_text = sprintf(
453	__( 'If you like %1$s please leave us a %2$s rating. A huge thanks in advance!', 'tutor' ),
454	sprintf( '<strong>%s</strong>', esc_html__( 'Tutor LMS', 'tutor' ) ),
455	'<a href="https://wordpress.org/support/plugin/tutor/reviews?rate=5#new-post" target="_blank" class="tutor-rating-link">★★★★★</a>'
456	);
457	}
458
459	return $footer_text;
460	}
461
462
463	public function register_course_widget(){
464	register_widget( 'Tutor\Course_Widget' );
465	}
466
467
468	}