Admin.php — Tutor LMS – eLearning and online course solution 1.0.3

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_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 init.php 7 years ago

Admin.php

395 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
28	public function register_menu(){
29	$hasPro = tutor()->has_pro;
30
31	$unanswered_questions = tutor_utils()->unanswered_question_count();
32	$unanswered_bubble = '';
33	if ($unanswered_questions){
34	$unanswered_bubble = '<span class="update-plugins count-'.$unanswered_questions.'"><span class="plugin-count">'.$unanswered_questions.'</span></span>';
35	}
36
37	$course_post_type = tutor()->course_post_type;
38
39	add_menu_page(__('Tutor LMS', 'tutor'), __('Tutor LMS', 'tutor'), 'manage_tutor_instructor', 'tutor', null, 'dashicons-welcome-learn-more', 2);
40
41	add_submenu_page('tutor', __('Categories', 'tutor'), __('Categories', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type, null );
42
43	add_submenu_page('tutor', __('Tags', 'tutor'), __('Tags', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type, null );
44
45	add_submenu_page('tutor', __('Students', 'tutor'), __('Students', 'tutor'), 'manage_tutor', 'tutor-students', array($this, 'tutor_students') );
46
47	add_submenu_page('tutor', __('Instructors', 'tutor'), __('Instructors', 'tutor'), 'manage_tutor', 'tutor-instructors', array($this, 'tutor_instructors') );
48
49	add_submenu_page('tutor', __('Q & A', 'tutor'), __('Q & A '.$unanswered_bubble, 'tutor'), 'manage_tutor_instructor', 'question_answer', array($this, 'question_answer') );
50
51	add_submenu_page('tutor', __('Quiz Attempts', 'tutor'), __('Quiz Attempts', 'tutor'), 'manage_tutor_instructor', 'tutor_quiz_attempts',array($this, 'quiz_attempts') );
52
53	//add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array(new Addons(),'addons_page') );
54
55
56	add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array($this, 'enable_disable_addons') );
57
58	add_submenu_page('tutor', __('Status', 'tutor'), __('Status', 'tutor'), 'manage_tutor', 'tutor-status', array($this, 'tutor_status') );
59
60	do_action('tutor_admin_register');
61
62	add_submenu_page('tutor', __('Settings', 'tutor'), __('Settings', 'tutor'), 'manage_tutor', 'tutor_settings', array($this, 'tutor_page') );
63
64	add_submenu_page('tutor',__('Uninstall Tutor LMS', 'tutor'), null, 'deactivate_plugin', 'tutor-uninstall', array($this, 'tutor_uninstall'));
65	/*
66	if ( ! $hasPro){
67	add_submenu_page( 'tutor', __( 'Get Pro', 'tutor' ), __( '<span class="dashicons dashicons-awards tutor-get-pro-text"></span> Get Pro', 'tutor' ), 'manage_options', 'tutor-get-pro', array($this, 'tutor_get_pro') );
68	}*/
69
70	}
71
72	public function tutor_page(){
73	$tutor_option = new Options();
74	echo apply_filters('tutor/options/generated-html', $tutor_option->generate());
75	}
76
77	public function tutor_students(){
78	include tutor()->path.'views/pages/students.php';
79	}
80
81	public function tutor_instructors(){
82	include tutor()->path.'views/pages/instructors.php';
83	}
84
85	public function question_answer(){
86	include tutor()->path.'views/pages/question_answer.php';
87	}
88
89	public function quiz_attempts(){
90	include tutor()->path.'views/pages/quiz_attempts.php';
91	}
92
93	public function enable_disable_addons(){
94	include tutor()->path.'views/pages/enable_disable_addons.php';
95	}
96
97	public function tutor_status(){
98	include tutor()->path.'views/pages/status.php';
99	}
100
101	public function tutor_uninstall(){
102	include tutor()->path.'views/pages/uninstall.php';
103	}
104
105	public function tutor_get_pro(){
106	include tutor()->path.'views/pages/get-pro.php';
107	}
108
109	public function parent_menu_active( $parent_file ){
110	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
111	if ($taxonomy === 'course-category' \|\| $taxonomy === 'course-tag'){
112	return 'tutor';
113	}
114
115	return $parent_file;
116	}
117
118	public function submenu_file_active($submenu_file, $parent_file){
119	$taxonomy = tutor_utils()->avalue_dot('taxonomy', $_GET);
120	$course_post_type = tutor()->course_post_type;
121
122	if ($taxonomy === 'course-category'){
123	return 'edit-tags.php?taxonomy=course-category&post_type='.$course_post_type;
124	}
125	if ($taxonomy === 'course-tag'){
126	return 'edit-tags.php?taxonomy=course-tag&post_type='.$course_post_type;
127	}
128
129
130	return $submenu_file;
131	}
132
133	/**
134	* Filter posts for instructor
135	*/
136	public function filter_posts_for_instructors(){
137	if (current_user_can(tutor()->instructor_role)){
138	remove_menu_page( 'edit-comments.php' ); //Comments
139	add_action( 'posts_clauses_request', array($this, 'posts_clauses_request') );
140	}
141	}
142
143	public function posts_clauses_request($clauses){
144	global $wpdb;
145
146	$user_id = get_current_user_id();
147
148	$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} ");
149
150	$custom_author_query = "AND {$wpdb->posts}.post_author = {$user_id}";
151	if (is_array($get_assigned_courses_ids) && count($get_assigned_courses_ids)){
152	$in_query_pre = implode($get_assigned_courses_ids, ',');
153	$custom_author_query = " AND ( {$wpdb->posts}.post_author = {$user_id} OR {$wpdb->posts}.ID IN({$in_query_pre}) ) ";
154	}
155
156	$clauses['where'] .= $custom_author_query;
157
158	return $clauses;
159	}
160
161	/**
162	* Prevent unauthorised post edit page by direct URL
163	*
164	* @since v.1.0.0
165	*/
166	public function check_if_current_users_post(){
167	if (! current_user_can(tutor()->instructor_role)) {
168	return;
169	}
170
171	if (! empty($_GET['post']) ) {
172	$get_post_id = (int) sanitize_text_field($_GET['post']);
173	$get_post = get_post($get_post_id);
174	$current_user = get_current_user_id();
175
176	if ($get_post->post_author != $current_user){
177	global $wpdb;
178
179	$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} ");
180
181	if ( ! $get_assigned_courses_ids){
182	wp_die(__('Permission Denied', 'tutor'));
183	}
184
185	}
186	}
187	}
188
189	/**
190	* Status
191	*/
192
193	public static function scan_template_files( $template_path = null ) {
194	if ( ! $template_path){
195	$template_path = tutor()->path.'templates/';
196	}
197
198
199	$files = @scandir( $template_path ); // @codingStandardsIgnoreLine.
200	$result = array();
201
202	if ( ! empty( $files ) ) {
203	foreach ( $files as $key => $value ) {
204	if ( ! in_array( $value, array( '.', '..', '.DS_Store' ), true ) ) {
205	if ( is_dir( $template_path . DIRECTORY_SEPARATOR . $value ) ) {
206	$sub_files = self::scan_template_files( $template_path . DIRECTORY_SEPARATOR . $value );
207	foreach ( $sub_files as $sub_file ) {
208	$result[] = $value . DIRECTORY_SEPARATOR . $sub_file;
209	}
210	} else {
211	$result[] = $value;
212	}
213	}
214	}
215	}
216	return $result;
217	}
218
219	/**
220	* @return array
221	*
222	*
223	*/
224	public static function template_overridden_files(){
225	$template_files = self::scan_template_files();
226
227	$override_files = array();
228	foreach ($template_files as $file){
229	$file_path = null;
230	if (file_exists(trailingslashit(get_stylesheet_directory()).tutor()->template_path.$file)){
231	$file_path = $file;
232	}elseif (file_exists(trailingslashit(get_template_directory()).tutor()->template_path.$file)){
233	$file_path = $file;
234	}
235
236	if ($file_path){
237	$override_files[] = str_replace( WP_CONTENT_DIR.'/themes/', '', $file_path );
238	}
239	}
240
241	return $override_files;
242	}
243
244	public static function get_environment_info(){
245
246	// Figure out cURL version, if installed.
247	$curl_version = '';
248	if ( function_exists( 'curl_version' ) ) {
249	$curl_version = curl_version();
250	$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
251	}
252
253
254	// WP memory limit.
255	$wp_memory_limit = tutor_utils()->let_to_num(WP_MEMORY_LIMIT);
256	if ( function_exists( 'memory_get_usage' ) ) {
257	$wp_memory_limit = max( $wp_memory_limit, tutor_utils()->let_to_num( @ini_get( 'memory_limit' ) ) );
258	}
259
260	$database_version = tutor_utils()->get_db_version();
261
262	return array(
263	'home_url' => get_option( 'home' ),
264	'site_url' => get_option( 'siteurl' ),
265	'version' => tutor()->version,
266	'wp_version' => get_bloginfo( 'version' ),
267	'wp_multisite' => is_multisite(),
268	'wp_memory_limit' => $wp_memory_limit,
269	'wp_debug_mode' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
270	'wp_cron' => ! ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ),
271	'language' => get_locale(),
272	'external_object_cache' => wp_using_ext_object_cache(),
273	'server_info' => isset( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : '',
274	'php_version' => phpversion(),
275	'php_post_max_size' => tutor_utils()->let_to_num( ini_get( 'post_max_size' ) ),
276	'php_max_execution_time' => ini_get( 'max_execution_time' ),
277	'php_max_input_vars' => ini_get( 'max_input_vars' ),
278	'curl_version' => $curl_version,
279	'suhosin_installed' => extension_loaded( 'suhosin' ),
280	'max_upload_size' => wp_max_upload_size(),
281	'mysql_version' => $database_version['number'],
282	'mysql_version_string' => $database_version['string'],
283	'default_timezone' => date_default_timezone_get(),
284	'fsockopen_or_curl_enabled' => ( function_exists( 'fsockopen' ) \|\| function_exists( 'curl_init' ) ),
285	'soapclient_enabled' => class_exists( 'SoapClient' ),
286	'domdocument_enabled' => class_exists( 'DOMDocument' ),
287	'gzip_enabled' => is_callable( 'gzopen' ),
288	'mbstring_enabled' => extension_loaded( 'mbstring' ),
289	);
290
291	}
292
293
294	public function erase_tutor_data(){
295	global $wpdb;
296
297	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
298	/*D/ //=> Deleting Data
299
300	$plugin_file = tutor()->basename;
301	if ($is_erase_data && current_user_can( 'deactivate_plugin', $plugin_file )) {
302	/**
303	* Deleting Post Type, Meta Data, taxonomy
304	*/
305	$course_post_type = tutor()->course_post_type;
306	$lesson_post_type = tutor()->lesson_post_type;
307
308	$post_types = array(
309	$course_post_type,
310	$lesson_post_type,
311	'tutor_quiz',
312	'tutor_question',
313	'tutor_enrolled',
314	'topics',
315	'tutor_enrolled',
316	'tutor_announcements',
317	);
318
319	$post_type_strings = "'".implode("','", $post_types)."'";
320	$tutor_posts = $wpdb->get_col("SELECT ID from {$wpdb->posts} WHERE post_type in({$post_type_strings}) ;");
321
322	if (is_array($tutor_posts) && count($tutor_posts)){
323	foreach ($tutor_posts as $post_id){
324	//Delete categories
325	$terms = wp_get_object_terms( $post_id, 'course-category' );
326	foreach( $terms as $term ){
327	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-category' );
328	}
329
330	//Delete tags if available
331	$terms = wp_get_object_terms( $post_id, 'course-tag' );
332	foreach( $terms as $term ){
333	/*D/ wp_remove_object_terms( $post_id, array( $term->term_id ), 'course-tag' );
334	}
335
336	//Delete All Meta
337	/*D/ $wpdb->delete($wpdb->postmeta, array('post_id' => $post_id) );
338	/*D/ $wpdb->delete($wpdb->posts, array('ID' => $post_id) );
339	}
340	}
341
342	/**
343	* Deleting Comments (reviews, questions, quiz_answers, etc)
344	*/
345	$tutor_comments = $wpdb->get_col("SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;");
346	$comments_ids_strings = "'".implode("','", $tutor_comments)."'";
347	if (is_array($tutor_comments) && count($tutor_comments)){
348	/*D/ $wpdb->query("DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$comments_ids_strings}) ");
349	}
350	/*D/ $wpdb->delete($wpdb->comments, array('comment_agent' => 'comment_agent'));
351
352	/**
353	* Delete Options
354	*/
355
356	/*D/ delete_option('tutor_option');
357	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_student'));
358	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_approved'));
359	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_status'));
360	/*D/ $wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_instructor'));
361	/*D/ $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' ");
362
363	deactivate_plugins($plugin_file);
364	}
365
366	wp_redirect('plugins.php');
367	die();
368	}
369
370	public function plugin_action_links($actions){
371	/*$hasPro = tutor()->has_pro;
372
373	if(!$hasPro){
374	$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
375	style="color: #39a700eb; font-weight: bold;">'.__('Upgrade to Pro', 'wp-megamenu').'</span></a>';
376	}*/
377
378	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
379
380	if ($is_erase_data) {
381	$plugin_file = tutor()->basename;
382	if ( current_user_can( 'deactivate_plugin', $plugin_file ) ) {
383	if ( isset( $actions['deactivate'] ) ) {
384	$actions['deactivate'] = '<a href="admin.php?page=tutor-uninstall">' . __('Uninstall', 'tutor') . '</a>';
385	}
386	}
387	}
388
389	$actions['settings'] = '<a href="admin.php?page=tutor_settings">' . __('Settings', 'tutor') . '</a>';
390	return $actions;
391	}
392
393
394
395	}