Template.php — Tutor LMS – eLearning and online course solution 1.6.0

tutor / classes / Template.php

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Template.php

420 lines

1	<?php
2	/**
3	* Template Class
4	*
5	* @since: v.1.0.0
6	*/
7	namespace TUTOR;
8
9
10	if ( ! defined( 'ABSPATH' ) )
11	exit;
12
13
14	class Template extends Tutor_Base {
15
16	public function __construct() {
17	parent::__construct();
18
19	add_action( 'pre_get_posts', array($this, 'limit_course_query_archive'), 99 );
20
21
22	/**
23	* Should Load Template Override
24	* Integration for specially oxygen builder
25	* If we found false of below filter, then we will not use this file
26	*/
27
28	$template_override = apply_filters('tutor_lms_should_template_override', true);
29	if ( ! $template_override){
30	return;
31	}
32
33	add_filter( 'template_include', array($this, 'load_course_archive_template'), 99 );
34	add_filter( 'template_include', array($this, 'load_single_course_template'), 99 );
35	add_filter( 'template_include', array($this, 'load_single_lesson_template'), 99 );
36	add_filter( 'template_include', array($this, 'play_private_video'), 99 );
37	add_filter( 'template_include', array($this, 'load_quiz_template'), 99 );
38	add_filter( 'template_include', array($this, 'load_assignment_template'), 99 );
39
40	add_filter( 'template_include', array($this, 'student_public_profile'), 99 );
41	add_filter( 'template_include', array($this, 'tutor_dashboard'), 99 );
42	add_filter( 'pre_get_document_title', array($this, 'student_public_profile_title') );
43
44	add_filter( 'the_content', array($this, 'convert_static_page_to_template'));
45	}
46
47	/**
48	* @param $template
49	*
50	* @return bool\|string
51	*
52	* Load default template for course
53	*
54	* @since v.1.0.0
55	*
56	*/
57	public function load_course_archive_template($template){
58	global $wp_query;
59
60	$post_type = get_query_var('post_type');
61	$course_category = get_query_var('course-category');
62
63	if ( ($post_type === $this->course_post_type \|\| ! empty($course_category) ) && $wp_query->is_archive){
64	$template = tutor_get_template('archive-course');
65	return $template;
66	}
67
68	return $template;
69	}
70
71	/**
72	* @param $query
73	*
74	* limit for course archive listing
75	*
76	* Make a page to archive listing for courses
77	*/
78	public function limit_course_query_archive($query){
79	$courses_per_page = (int) tutor_utils()->get_option('courses_per_page', 10);
80
81	if ($query->is_main_query() && ! $query->is_feed() && ! is_admin() && is_page() ){
82	$queried_object = get_queried_object();
83	if ($queried_object instanceof \WP_Post){
84	$page_id = $queried_object->ID;
85	$selected_archive_page = (int) tutor_utils()->get_option('course_archive_page');
86
87	if ($page_id === $selected_archive_page){
88	$paged = ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1;
89	$search_query = get_search_query();
90	query_posts(array('post_type' => $this->course_post_type, 'paged' => $paged, 's' => $search_query, 'posts_per_page' => $courses_per_page ));
91	}
92	}
93	}
94
95	if ( $query->is_archive && $query->is_main_query() && ! $query->is_feed() && ! is_admin() ){
96	$post_type = get_query_var('post_type');
97	$course_category = get_query_var('course-category');
98	if ( ($post_type === $this->course_post_type \|\| ! empty($course_category) )){
99	$query->set('posts_per_page', $courses_per_page);
100
101	$course_filter = 'newest_first';
102	if ( ! empty($_GET['tutor_course_filter'])){
103	$course_filter = sanitize_text_field($_GET['tutor_course_filter']);
104	}
105	switch ($course_filter){
106	case 'newest_first':
107	$query->set('orderby', 'ID');
108	$query->set('order', 'desc');
109	break;
110	case 'oldest_first':
111	$query->set('orderby', 'ID');
112	$query->set('order', 'asc');
113	break;
114	case 'course_title_az':
115	$query->set('orderby', 'post_title');
116	$query->set('order', 'asc');
117	break;
118	case 'course_title_za':
119	$query->set('orderby', 'post_title');
120	$query->set('order', 'desc');
121	break;
122	}
123
124	}
125	}
126	}
127
128	/**
129	* @param $template
130	*
131	* @return bool\|string
132	*
133	* Load Single Course Template
134	*
135	* @since v.1.0.0
136	* @updated v.1.3.5
137	*/
138	public function load_single_course_template($template){
139	global $wp_query;
140
141	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === $this->course_post_type){
142	$student_must_login_to_view_course = tutor_utils()->get_option('student_must_login_to_view_course');
143	if ($student_must_login_to_view_course){
144	if ( ! is_user_logged_in() ) {
145	return tutor_get_template( 'login' );
146	}
147	}
148
149	wp_reset_query();
150	if (empty( $wp_query->query_vars['course_subpage'])) {
151	$template = tutor_get_template( 'single-course' );
152	if ( is_user_logged_in() ) {
153	if ( tutor_utils()->is_enrolled() ) {
154	$template = tutor_get_template( 'single-course-enrolled' );
155	}
156	}
157	}else{
158	//If Course Subpage Exists
159	if ( is_user_logged_in() ) {
160	$course_subpage = $wp_query->query_vars['course_subpage'];
161	$template = tutor_get_template_path( 'single-course-enrolled-' . $course_subpage );
162	if ( ! file_exists( $template ) ) {
163	$template = tutor_get_template( 'single-course-enrolled-subpage' );
164	}
165	}else{
166	$template = tutor_get_template('login');
167	}
168	}
169	return $template;
170	}
171	return $template;
172	}
173
174	/**
175	* @param $template
176	*
177	* @return bool\|string
178	*
179	* Load lesson template
180	*
181	* @since v.1.0.0
182	*/
183
184	public function load_single_lesson_template($template){
185	global $wp_query;
186
187	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === $this->lesson_post_type){
188	$page_id = get_the_ID();
189
190	do_action('tutor_lesson_load_before', $template);
191
192	setup_postdata($page_id);
193
194	if (is_user_logged_in()){
195	$is_course_enrolled = tutor_utils()->is_course_enrolled_by_lesson();
196
197	if ($is_course_enrolled) {
198	$template = tutor_get_template( 'single-lesson' );
199	}else{
200	//You need to enroll first
201	$template = tutor_get_template( 'single.lesson.required-enroll' );
202
203	//Check Lesson edit access to support page builders
204	if(current_user_can(tutor()->instructor_role) && tutils()->has_lesson_edit_access()){
205	$template = tutor_get_template( 'single-lesson' );
206	}
207	}
208	}else{
209	$template = tutor_get_template('login');
210	}
211	wp_reset_postdata();
212
213	return apply_filters('tutor_lesson_template', $template);
214	}
215	return $template;
216	}
217
218	/**
219	* @param $template
220	*
221	* @return mixed
222	*
223	* Play the video in this url.
224	*/
225	public function play_private_video($template){
226	global $wp_query;
227
228	if ($wp_query->is_single && ! empty($wp_query->query_vars['lesson_video']) && $wp_query->query_vars['lesson_video'] === 'true') {
229
230	$isPublicVideo = apply_filters('tutor_video_stream_is_public', false, get_the_ID());
231	if ($isPublicVideo){
232	$video_info = tutor_utils()->get_video_info();
233	if ( $video_info ) {
234	$stream = new Video_Stream( $video_info->path );
235	$stream->start();
236	}
237	exit();
238	}
239
240	if (tutor_utils()->is_course_enrolled_by_lesson()) {
241	$video_info = tutor_utils()->get_video_info();
242	if ( $video_info ) {
243	$stream = new Video_Stream( $video_info->path );
244	$stream->start();
245	}
246	}else{
247	_e('Permission denied', 'tutor');
248	}
249	exit();
250	}
251
252	return $template;
253	}
254
255	/**
256	* @param $content
257	*
258	* @return mixed
259	*
260	* Tutor Dashboard Page, Responsible to show dashboard stuffs
261	*
262	* @since v.1.0.0
263	*/
264	public function convert_static_page_to_template($content){
265	//Dashboard Page
266	$student_dashboard_page_id = (int) tutor_utils()->get_option('tutor_dashboard_page_id');
267	if ($student_dashboard_page_id === get_the_ID()){
268	$shortcode = new Shortcode();
269	return $shortcode->tutor_dashboard();
270	}
271
272	//Instructor Registration Page
273	$instructor_register_page_page_id = (int) tutor_utils()->get_option('instructor_register_page');
274	if ($instructor_register_page_page_id === get_the_ID()){
275	$shortcode = new Shortcode();
276	return $shortcode->instructor_registration_form();
277	}
278
279	$student_register_page_id = (int) tutor_utils()->get_option('student_register_page');
280	if ($student_register_page_id === get_the_ID()){
281	$shortcode = new Shortcode();
282	return $shortcode->student_registration_form();
283	}
284
285	return $content;
286	}
287
288	public function tutor_dashboard($template){
289	global $wp_query;
290
291	if ($wp_query->is_page) {
292	$student_dashboard_page_id = (int) tutor_utils()->get_option('tutor_dashboard_page_id');
293	if ($student_dashboard_page_id === get_the_ID()) {
294	/**
295	* Handle if logout URL
296	* @since v.1.1.2
297	*/
298	if (tutor_utils()->array_get('tutor_dashboard_page', $wp_query->query_vars) === 'logout'){
299	$redirect = get_permalink($student_dashboard_page_id);
300	wp_logout();
301	wp_redirect($redirect);
302	die();
303	}
304
305
306	$dashboard_page = tutor_utils()->array_get('tutor_dashboard_page', $wp_query->query_vars);
307	$get_dashboard_config = tutils()->tutor_dashboard_permalinks();
308	$target_dashboard_page = tutils()->array_get($dashboard_page, $get_dashboard_config);
309
310	if (isset($target_dashboard_page['login_require']) && $target_dashboard_page['login_require'] === false){
311	$template = tutor_load_template_part( "template-part.{$dashboard_page}" );
312	}else{
313
314	/**
315	* Load view page based on dashboard Endpoint
316	*/
317	if (is_user_logged_in()) {
318	$template = tutor_get_template( 'dashboard' );
319	/**
320	* Check page page permission
321	*
322	* @since v.1.3.4
323	*/
324	$query_var = tutor_utils()->array_get('tutor_dashboard_page', $wp_query->query_vars);
325	$dashboard_pages = tutor_utils()->tutor_dashboard_pages();
326	$dashboard_page_item = tutor_utils()->array_get($query_var, $dashboard_pages);
327	$auth_cap = tutor_utils()->array_get('auth_cap', $dashboard_page_item);
328	if ($auth_cap && ! current_user_can($auth_cap) ){
329	wp_die(__('Permission Denied', 'tutor'));
330	}
331
332	}else{
333	$template = tutor_get_template( 'login' );
334	}
335
336	}
337
338	}
339	}
340
341	return $template;
342	}
343
344	/**
345	* @param $template
346	*
347	* @return bool\|string
348	*
349	* @since v.1.0.0
350	*/
351	public function load_quiz_template($template){
352	global $wp_query;
353
354	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === 'tutor_quiz'){
355	if (is_user_logged_in()){
356	$template = tutor_get_template( 'single-quiz' );
357	}else{
358	$template = tutor_get_template('login');
359	}
360	return $template;
361	}
362	return $template;
363	}
364
365	public function load_assignment_template($template){
366	global $wp_query;
367
368	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === 'tutor_assignments'){
369	if (is_user_logged_in()){
370	$template = tutor_get_template( 'single-assignment' );
371	}else{
372	$template = tutor_get_template('login');
373	}
374	return $template;
375	}
376
377	return $template;
378	}
379
380	/**
381	* @param $template
382	*
383	* @return bool\|string
384	*
385	* @since v.1.0.0
386	*/
387	public function student_public_profile($template){
388	global $wp_query;
389
390	if ( ! empty($wp_query->query['tutor_student_username'])){
391	$template = tutor_get_template( 'student-public-profile' );
392	}
393
394	return $template;
395	}
396
397	/**
398	* @return string
399	* Show student Profile
400	*
401	* @since v.1.0.0
402	*/
403	public function student_public_profile_title(){
404	global $wp_query;
405
406	if ( ! empty($wp_query->query['tutor_student_username'])){
407	global $wpdb;
408
409	$user_name = sanitize_text_field($wp_query->query['tutor_student_username']);
410	$user = $wpdb->get_row("select display_name from {$wpdb->users} WHERE user_login = '{$user_name}' limit 1; ");
411
412	if ( ! empty($user->display_name)){
413	return sprintf("%s's Profile page ", $user->display_name );
414	}
415	}
416	return '';
417	}
418
419
420	}