Admin.php — Tutor LMS – eLearning and online course solution 1.4.4

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_Settings_Tabs.php 6 years ago Course_Widget.php 6 years ago Dashboard.php 6 years ago Email.php 6 years ago FormHandler.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_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

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