Admin.php — Tutor LMS – eLearning and online course solution 2.0.4

tutor / classes / Admin.php

tutor / classes Last commit date

Addons.php 4 years ago Admin.php 4 years ago Ajax.php 4 years ago Announcements.php 4 years ago Assets.php 4 years ago Backend_Page_Trait.php 4 years ago Course.php 4 years ago Course_Filter.php 4 years ago Course_List.php 4 years ago Course_Settings_Tabs.php 4 years ago Course_Widget.php 4 years ago Custom_Validation.php 5 years ago Dashboard.php 4 years ago FormHandler.php 4 years ago Frontend.php 4 years ago Gutenberg.php 4 years ago Input.php 4 years ago Instructor.php 4 years ago Instructors_List.php 4 years ago Lesson.php 4 years ago Options_V2.php 4 years ago Post_types.php 4 years ago Private_Course_Access.php 4 years ago Q_and_A.php 4 years ago Question_Answers_List.php 4 years ago Quiz.php 4 years ago Quiz_Attempts_List.php 4 years ago RestAPI.php 4 years ago Reviews.php 4 years ago Rewrite_Rules.php 4 years ago Shortcode.php 4 years ago Student.php 4 years ago Students_List.php 4 years ago Taxonomies.php 4 years ago Template.php 4 years ago Theme_Compatibility.php 5 years ago Tools.php 4 years ago Tools_V2.php 4 years ago Tutor.php 4 years ago TutorEDD.php 4 years ago Tutor_Base.php 5 years ago Tutor_List_Table.php 4 years ago Tutor_Setup.php 4 years ago Upgrader.php 4 years ago User.php 4 years ago Utils.php 4 years ago Video_Stream.php 4 years ago Withdraw.php 4 years ago Withdraw_Requests_List.php 4 years ago WooCommerce.php 4 years ago

Admin.php

487 lines

1	<?php
2
3	namespace TUTOR;
4
5	/**
6	* Class Admin
7	* @package TUTOR
8	*
9	* @since v.1.0.0
10	*/
11
12	if (!defined('ABSPATH'))
13	exit;
14
15	class Admin {
16	public function __construct() {
17	add_action('admin_menu', array($this, 'register_menu'));
18	//Force activate menu for necessary
19	add_filter('parent_file', array($this, 'parent_menu_active'));
20	add_filter('submenu_file', array($this, 'submenu_file_active'), 10, 2);
21
22	add_action('admin_init', array($this, 'filter_posts_for_instructors'));
23	add_action('load-post.php', array($this, 'check_if_current_users_post'));
24
25	add_action('admin_action_uninstall_tutor_and_erase', array($this, 'erase_tutor_data'));
26	add_filter('plugin_action_links_' . plugin_basename(TUTOR_FILE), array($this, 'plugin_action_links'));
27
28	//Plugin Row Meta
29	add_filter('plugin_row_meta', array($this, 'plugin_row_meta'), 10, 2);
30
31	//Admin Footer Text
32	add_filter('admin_footer_text', array($this, 'admin_footer_text'), 1);
33	//Register Course Widget
34	add_action('widgets_init', array($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	$pro_text = '';
49	if ($hasPro) {
50	$pro_text = ' ' . __('Pro', 'tutor');
51	}
52
53	$enable_course_marketplace = (bool) tutor_utils()->get_option('enable_course_marketplace');
54
55	$welcome = Tutor_Setup::is_welcome_page_visited();
56	add_menu_page(
57	__( 'Tutor LMS', 'tutor' ) . $pro_text,
58	__( 'Tutor LMS', 'tutor' ) . $pro_text,
59	'manage_tutor_instructor',
60	'tutor',
61	false === $welcome && isset( $_GET['page'] ) && 'tutor' === $_GET['page'] && isset( $_GET['welcome' ] ) ? array( $this, 'welcome_page' ) : array( $this, 'tutor_course_list' ),
62	'data:image/svg+xml;base64,' . base64_encode('<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1139"><defs/><path fill-rule="evenodd" clip-rule="evenodd" d="M341.652 622.4c-23.412 0-43.222-19.8-43.222-43.2v-99c0-23.4 19.81-43.2 43.222-43.2 23.412 0 43.222 19.8 43.222 43.2v99c0 23.4-18.009 43.2-43.222 43.2 1.801 0 1.801 0 0 0zM655.01 622.4c-23.412 0-43.222-18-43.222-43.2v-99c0-23.4 19.81-43.2 43.222-43.2 23.412 0 43.222 19.8 43.222 43.2v99c0 25.2-19.81 43.2-43.222 43.2z" fill="#9DA2A8"/><path fill-rule="evenodd" clip-rule="evenodd" d="M255.204 406.4c18.009-37.8 54.028-63 95.449-63 61.231 1.8 108.055 52.2 106.254 113.4v203.4c3.602 21.6 23.412 37.8 45.023 34.2 18.009-1.8 32.416-16.2 34.217-34.2V455c-1.801-61.2 46.824-111.6 106.254-113.4 39.621 0 75.639 21.6 93.648 59.4 68.435 133.2 14.407 295.2-117.06 363.6C487.523 833 325.44 779 258.806 647.6c-39.62-75.6-39.62-165.6-3.602-241.2zM426.291 140h151.277v59.4c-25.212-5.4-52.226-9-77.439-9-25.213 0-50.426 3.6-75.639 7.2l1.801-57.6zm414.211 388.8c0-122.4-66.634-235.8-172.888-295.2V140h64.833c25.213 0 45.023-19.8 45.023-45s-21.611-45-45.023-45H271.413C246.2 51.8 226.39 71.6 226.39 96.8c0 25.2 19.81 45 45.023 45h66.633v91.8c-163.883 90-230.517 298.8-135.068 459 3.602 5.4-3.602-5.4 0 0C338.046 930.2 687.424 948.2 802.683 950c10.805 0 19.81-3.6 27.014-10.8 7.203-7.2 10.805-18 10.805-27V528.8z" fill="#9DA2A8"/></svg>'),
63	2
64	);
65	// @since v2.0.0
66	add_submenu_page( 'tutor', __( 'Courses', 'tutor' ), __( 'Courses', 'tutor' ), 'manage_tutor_instructor', 'tutor', array( $this, 'tutor_course_list' ) );
67
68	add_submenu_page('tutor', __('Categories', 'tutor'), __('Categories', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-category&post_type=' . $course_post_type, null);
69
70	add_submenu_page('tutor', __('Tags', 'tutor'), __('Tags', 'tutor'), 'manage_tutor', 'edit-tags.php?taxonomy=course-tag&post_type=' . $course_post_type, null);
71
72	add_submenu_page('tutor', __('Students', 'tutor'), __('Students', 'tutor'), 'manage_tutor', Students_List::STUDENTS_LIST_PAGE, array($this, 'tutor_students'));
73
74	if ($enable_course_marketplace) {
75	add_submenu_page('tutor', __('Instructors', 'tutor'), __('Instructors', 'tutor'), 'manage_tutor', Instructors_List::INSTRUCTOR_LIST_PAGE, array($this, 'tutor_instructors'));
76	}
77
78	add_submenu_page('tutor', __('Announcements', 'tutor'), __('Announcements', 'tutor'), 'manage_tutor_instructor', 'tutor_announcements', array($this, 'tutor_announcements'));
79
80	add_submenu_page('tutor', __('Q & A', 'tutor'), __('Q & A ', 'tutor') . $unanswered_bubble, 'manage_tutor_instructor', Question_Answers_List::Question_Answer_PAGE, array($this, 'question_answer'));
81
82	add_submenu_page('tutor', __('Quiz Attempts', 'tutor'), __('Quiz Attempts', 'tutor'), 'manage_tutor_instructor', Quiz_Attempts_List::QUIZ_ATTEMPT_PAGE, array($this, 'quiz_attempts'));
83
84	if ($enable_course_marketplace){
85	add_submenu_page('tutor', __('Withdraw Requests', 'tutor'), __('Withdraw Requests', 'tutor'), 'manage_tutor', Withdraw_Requests_List::WITHDRAW_REQUEST_LIST_PAGE, array($this, 'withdraw_requests') );
86	}
87
88	add_submenu_page('tutor', __('Add-ons', 'tutor'), __('Add-ons', 'tutor'), 'manage_tutor', 'tutor-addons', array($this, 'enable_disable_addons'));
89
90	do_action('tutor_admin_register');
91
92	add_submenu_page('tutor', __('Tools', 'tutor'), __('Tools', 'tutor'), 'manage_tutor', 'tutor-tools', array($this, 'tutor_tools'));
93
94	add_submenu_page('tutor', __('Settings', 'tutor'), __('Settings', 'tutor'), 'manage_tutor', 'tutor_settings', array($this, 'tutor_settings_page_content'));
95
96	if (!$hasPro) {
97	add_submenu_page('tutor', __('Get Pro', 'tutor'), __('<span class="dashicons dashicons-awards tutor-get-pro-text"></span> Get Pro', 'tutor'), 'manage_options', 'tutor-get-pro', array($this, 'tutor_get_pro'));
98	}
99	}
100
101	public function tutor_tools() {
102	(new Tools_V2)->load_tools_page();
103	}
104
105	public function tutor_settings_page_content() {
106	(new Options_V2)->load_settings_page();
107	}
108
109	public function tutor_students() {
110	include tutor()->path . 'views/pages/students.php';
111	}
112
113	public function tutor_instructors() {
114	include tutor()->path . 'views/pages/instructors.php';
115	}
116
117	public function tutor_announcements() {
118	include tutor()->path . 'views/pages/announcements.php';
119	}
120
121	public function question_answer() {
122	include tutor()->path . 'views/pages/question_answer.php';
123	}
124
125	public function quiz_attempts() {
126	include tutor()->path . 'views/pages/quiz_attempts.php';
127	}
128
129	/**
130	* Show the withdraw requests table
131	*
132	* @since v.1.2.0
133	*/
134	public function withdraw_requests() {
135	include tutor()->path . 'views/pages/withdraw_requests.php';
136	}
137
138	public function enable_disable_addons() {
139
140	if (defined('TUTOR_PRO_VERSION')) {
141	include tutor()->path . 'views/pages/enable_disable_addons.php';
142	} else {
143	include tutor()->path . 'views/pages/tutor-pro-addons.php';
144	}
145	}
146
147	public function tutor_tools_old() {
148	$tutor_admin_tools_page = tutor_utils()->array_get('tutor_admin_tools_page', tutor_sanitize_data($_GET));
149	if ($tutor_admin_tools_page) {
150	include apply_filters('tutor_admin_tools_page', tutor()->path . "views/pages/{$tutor_admin_tools_page}.php", $tutor_admin_tools_page);
151	} else {
152	$pages = apply_filters('tutor_tool_pages', array(
153	'tutor_pages' => array('title' => __('Tutor Pages', 'tutor')),
154	'status' => __('Status', 'tutor'),
155	));
156
157	$current_page = 'tutor_pages';
158	$requested_page = sanitize_text_field(tutor_utils()->array_get('sub_page', tutor_sanitize_data($_GET)));
159	if ($requested_page) {
160	$current_page = $requested_page;
161	}
162
163	$current_page = str_replace('/', '', $current_page);
164	$current_page = str_replace('.', '', $current_page);
165	$current_page = str_replace('\\', '', $current_page);
166	$current_page = trim($current_page);
167
168	include tutor()->path . 'views/pages/tools.php';
169	}
170	}
171
172	public function tutor_get_pro() {
173	include tutor()->path . 'views/pages/get-pro.php';
174	}
175
176	public function parent_menu_active($parent_file) {
177	$taxonomy = tutor_utils()->avalue_dot('taxonomy', tutor_sanitize_data($_GET));
178	if ($taxonomy === 'course-category' \|\| $taxonomy === 'course-tag') {
179	return 'tutor';
180	}
181
182	return $parent_file;
183	}
184
185	public function submenu_file_active($submenu_file, $parent_file) {
186	$taxonomy = tutor_utils()->avalue_dot('taxonomy', tutor_sanitize_data($_GET));
187	$course_post_type = tutor()->course_post_type;
188
189	if ($taxonomy === 'course-category') {
190	return 'edit-tags.php?taxonomy=course-category&post_type=' . $course_post_type;
191	}
192	if ($taxonomy === 'course-tag') {
193	return 'edit-tags.php?taxonomy=course-tag&post_type=' . $course_post_type;
194	}
195
196
197	return $submenu_file;
198	}
199
200	/**
201	* Filter posts for instructor
202	*/
203	public function filter_posts_for_instructors() {
204	if (!current_user_can('administrator') && current_user_can(tutor()->instructor_role)) {
205	@remove_menu_page('edit-comments.php'); //Comments
206	add_filter('posts_clauses_request', array($this, 'posts_clauses_request'));
207	}
208	}
209
210	public function posts_clauses_request($clauses) {
211
212	if (!is_admin() \|\| (!isset($_GET['post_type']) \|\| $_GET['post_type'] != 'courses') \|\| tutor_utils()->has_user_role(array('administrator', 'editor'))) {
213	return $clauses;
214	}
215
216	// Need multi instructor check
217	global $wpdb;
218
219	$user_id = get_current_user_id();
220
221	$get_assigned_courses_ids = $wpdb->get_col($wpdb->prepare("SELECT meta_value from {$wpdb->usermeta} WHERE meta_key = '_tutor_instructor_course_id' AND user_id = %d", $user_id));
222	$own_courses = is_array($get_assigned_courses_ids) ? $get_assigned_courses_ids : array();
223
224	$in_query_pre = count($own_courses) ? implode(',', $own_courses) : null;
225	$in_query_where = $in_query_pre ? " OR {$wpdb->posts}.ID IN({$in_query_pre})" : '';
226
227	$custom_author_query = " AND ({$wpdb->posts}.post_type!='courses' OR {$wpdb->posts}.post_author = {$user_id}) {$in_query_where}";
228
229	$clauses['where'] .= $custom_author_query;
230
231	return $clauses;
232	}
233
234	/**
235	* Prevent unauthorised course/lesson edit page by direct URL
236	*
237	* @since v.1.0.0
238	*/
239	public function check_if_current_users_post() {
240	if (current_user_can('administrator') \|\| !current_user_can(tutor()->instructor_role)) {
241	return;
242	}
243
244	if (! empty($_GET['post']) ) {
245	$get_post_id = (int) $_GET['post'];
246	$get_post = get_post($get_post_id);
247	$tutor_post_types = array(tutor()->course_post_type, tutor()->lesson_post_type);
248
249	$current_user = get_current_user_id();
250
251	if (in_array($get_post->post_type, $tutor_post_types) && $get_post->post_author != $current_user) {
252	global $wpdb;
253
254	$get_assigned_courses_ids = (int) $wpdb->get_var($wpdb->prepare(
255	"SELECT user_id
256	from {$wpdb->usermeta}
257	WHERE user_id = %d AND meta_key = '_tutor_instructor_course_id' AND meta_value = %d ",
258	$current_user,
259	$get_post_id
260	));
261
262	if (!$get_assigned_courses_ids) {
263	wp_die(__('Permission Denied', 'tutor'));
264	}
265	}
266	}
267	}
268
269	/**
270	* Status
271	*/
272
273	public static function scan_template_files($template_path = null) {
274	if (!$template_path) {
275	$template_path = tutor()->path . 'templates/';
276	}
277
278	$files = @scandir($template_path); // @codingStandardsIgnoreLine.
279	$result = array();
280
281	if (!empty($files)) {
282	foreach ($files as $key => $value) {
283	if (!in_array($value, array('.', '..', '.DS_Store'), true)) {
284	if (is_dir($template_path . DIRECTORY_SEPARATOR . $value)) {
285	$sub_files = self::scan_template_files($template_path . DIRECTORY_SEPARATOR . $value);
286	foreach ($sub_files as $sub_file) {
287	$result[] = $value . DIRECTORY_SEPARATOR . $sub_file;
288	}
289	} else {
290	$result[] = $value;
291	}
292	}
293	}
294	}
295	return $result;
296	}
297
298	/**
299	* @return array
300	*
301	*
302	*/
303	public static function template_overridden_files() {
304	$template_files = self::scan_template_files();
305
306	$override_files = array();
307	foreach ($template_files as $file) {
308	$file_path = null;
309	if (file_exists(trailingslashit(get_stylesheet_directory()) . tutor()->template_path . $file)) {
310	$file_path = $file;
311	} elseif (file_exists(trailingslashit(get_template_directory()) . tutor()->template_path . $file)) {
312	$file_path = $file;
313	}
314
315	if ($file_path) {
316	$override_files[] = str_replace(WP_CONTENT_DIR . '/themes/', '', $file_path);
317	}
318	}
319
320	return $override_files;
321	}
322
323	public function erase_tutor_data() {
324	global $wpdb;
325
326	$is_erase_data = tutor_utils()->get_option('delete_on_uninstall');
327	//=> Deleting Data
328
329	$plugin_file = tutor()->basename;
330	if ($is_erase_data && current_user_can('deactivate_plugin', $plugin_file)) {
331	/**
332	* Deleting Post Type, Meta Data, taxonomy
333	*/
334	$course_post_type = tutor()->course_post_type;
335	$lesson_post_type = tutor()->lesson_post_type;
336
337	$post_types = array(
338	$course_post_type,
339	$lesson_post_type,
340	'tutor_quiz',
341	'tutor_enrolled',
342	'topics',
343	'tutor_enrolled',
344	'tutor_announcements',
345	);
346
347	$post_type_strings = "'" . implode("','", $post_types) . "'";
348	$tutor_posts = $wpdb->get_col("SELECT ID from {$wpdb->posts} WHERE post_type in({$post_type_strings}) ;");
349
350	if (is_array($tutor_posts) && count($tutor_posts)) {
351	foreach ($tutor_posts as $post_id) {
352	//Delete categories
353	$terms = wp_get_object_terms($post_id, 'course-category');
354	foreach ($terms as $term) {
355	wp_remove_object_terms($post_id, array($term->term_id), 'course-category');
356	}
357
358	//Delete tags if available
359	$terms = wp_get_object_terms($post_id, 'course-tag');
360	foreach ($terms as $term) {
361	wp_remove_object_terms($post_id, array($term->term_id), 'course-tag');
362	}
363
364	//Delete All Meta
365	$wpdb->delete($wpdb->postmeta, array('post_id' => $post_id));
366	$wpdb->delete($wpdb->posts, array('ID' => $post_id));
367	}
368	}
369
370	/**
371	* Deleting Comments (reviews, questions, quiz_answers, etc)
372	*/
373	$tutor_comments = $wpdb->get_col("SELECT comment_ID from {$wpdb->comments} WHERE comment_agent = 'comment_agent' ;");
374	$comments_ids_strings = "'" . implode("','", $tutor_comments) . "'";
375	if (is_array($tutor_comments) && count($tutor_comments)) {
376	$wpdb->query("DELETE from {$wpdb->commentmeta} WHERE comment_ID in({$comments_ids_strings}) ");
377	}
378	$wpdb->delete($wpdb->comments, array('comment_agent' => 'comment_agent'));
379
380	/**
381	* Delete Options
382	*/
383
384	delete_option('tutor_option');
385	$wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_student'));
386	$wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_approved'));
387	$wpdb->delete($wpdb->usermeta, array('meta_key' => '_tutor_instructor_status'));
388	$wpdb->delete($wpdb->usermeta, array('meta_key' => '_is_tutor_instructor'));
389	$wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_tutor_completed_lesson_id_%' ");
390
391	//Deleting Table
392	$prefix = $wpdb->prefix;
393	$wpdb->query("DROP TABLE IF EXISTS {$prefix}tutor_quiz_attempts, {$prefix}tutor_quiz_attempt_answers, {$prefix}tutor_quiz_questions, {$prefix}tutor_quiz_question_answers, {$prefix}tutor_earnings, {$prefix}tutor_withdraws ");
394
395	deactivate_plugins($plugin_file);
396	}
397
398	wp_redirect('plugins.php');
399	die();
400	}
401
402	public function plugin_action_links($actions) {
403	$hasPro = tutor()->has_pro;
404
405	if (!$hasPro) {
406	$actions['tutor_pro_link'] =
407	'<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">
408	<span style="color: #ff7742; font-weight: bold;">' .
409	__('Upgrade to Pro', 'wp-megamenu') .
410	'</span>
411	</a>';
412	}
413
414	$actions['settings'] = '<a href="admin.php?page=tutor_settings">' . __('Settings', 'tutor') . '</a>';
415
416	return $actions;
417	}
418
419	public function plugin_row_meta($plugin_meta, $plugin_file) {
420
421	if ($plugin_file === tutor()->basename) {
422	$plugin_meta[] = sprintf(
423	'<a href="%s">%s</a>',
424	esc_url('https://docs.themeum.com/tutor-lms/?utm_source=tutor&utm_medium=plugins_installation_list&utm_campaign=plugin_docs_link'),
425	__('<strong style="color: #03bd24">Documentation</strong>', 'tutor')
426	);
427	$plugin_meta[] = sprintf(
428	'<a href="%s">%s</a>',
429	esc_url('https://www.themeum.com/contact-us/?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
447	/**
448	* We are making sure that this message will be only on Tutor Admin page
449	*/
450	if (apply_filters('tutor_display_admin_footer_text', (tutor_utils()->array_get('parent_base', $current_screen) === 'tutor'))) {
451	$footer_text = sprintf(
452	__('If you like %1$s please leave us a %2$s rating. A huge thanks in advance!', 'tutor'),
453	sprintf('<strong>%s</strong>', esc_html__('Tutor LMS', 'tutor')),
454	'<a href="https://wordpress.org/support/plugin/tutor/reviews?rate=5#new-post" target="_blank" class="tutor-rating-link">★★★★★</a>'
455	);
456	}
457
458	return $footer_text;
459	}
460
461
462	public function register_course_widget() {
463	register_widget('Tutor\Course_Widget');
464	}
465
466	/**
467	* Tutor Course List
468	*
469	* @package Course List
470	* @since v2.0.0
471	*/
472	public function tutor_course_list() {
473	include tutor()->path . 'views/pages/course-list.php';
474	}
475
476	/**
477	* Show welcome page
478	*
479	* @return void
480	*/
481	public function welcome_page() {
482	Tutor_Setup::mark_as_visited();
483	include tutor()->path . 'views/pages/welcome.php';
484	exit;
485	}
486	}
487