Admin.php — Tutor LMS – eLearning and online course solution 1.2.0

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 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

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