Template.php — Tutor LMS – eLearning and online course solution 1.5.3

tutor / classes / Template.php

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Template.php

418 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'), 1 );
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	if ($query->is_main_query() && ! $query->is_feed() && ! is_admin() && is_page() ){
80	$queried_object = get_queried_object();
81	if ($queried_object instanceof \WP_Post){
82	$page_id = $queried_object->ID;
83	$selected_archive_page = (int) tutor_utils()->get_option('course_archive_page');
84
85	if ($page_id === $selected_archive_page){
86	$paged = ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1;
87	query_posts(array('post_type' => $this->course_post_type, 'paged' => $paged ));
88	}
89	}
90	}
91
92	if ( $query->is_archive && $query->is_main_query() && ! $query->is_feed() && ! is_admin() ){
93	$post_type = get_query_var('post_type');
94	$course_category = get_query_var('course-category');
95	if ( ($post_type === $this->course_post_type \|\| ! empty($course_category) )){
96	$courses_per_page = (int) tutor_utils()->get_option('courses_per_page', 10);
97	$query->set('posts_per_page', $courses_per_page);
98
99	$course_filter = 'newest_first';
100	if ( ! empty($_GET['tutor_course_filter'])){
101	$course_filter = sanitize_text_field($_GET['tutor_course_filter']);
102	}
103	switch ($course_filter){
104	case 'newest_first':
105	$query->set('orderby', 'ID');
106	$query->set('order', 'desc');
107	break;
108	case 'oldest_first':
109	$query->set('orderby', 'ID');
110	$query->set('order', 'asc');
111	break;
112	case 'course_title_az':
113	$query->set('orderby', 'post_title');
114	$query->set('order', 'asc');
115	break;
116	case 'course_title_za':
117	$query->set('orderby', 'post_title');
118	$query->set('order', 'desc');
119	break;
120	}
121
122	}
123	}
124	}
125
126	/**
127	* @param $template
128	*
129	* @return bool\|string
130	*
131	* Load Single Course Template
132	*
133	* @since v.1.0.0
134	* @updated v.1.3.5
135	*/
136	public function load_single_course_template($template){
137	global $wp_query;
138
139	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === $this->course_post_type){
140	$student_must_login_to_view_course = tutor_utils()->get_option('student_must_login_to_view_course');
141	if ($student_must_login_to_view_course){
142	if ( ! is_user_logged_in() ) {
143	return tutor_get_template( 'login' );
144	}
145	}
146
147	wp_reset_query();
148	if (empty( $wp_query->query_vars['course_subpage'])) {
149	$template = tutor_get_template( 'single-course' );
150	if ( is_user_logged_in() ) {
151	if ( tutor_utils()->is_enrolled() ) {
152	$template = tutor_get_template( 'single-course-enrolled' );
153	}
154	}
155	}else{
156	//If Course Subpage Exists
157	if ( is_user_logged_in() ) {
158	$course_subpage = $wp_query->query_vars['course_subpage'];
159	$template = tutor_get_template_path( 'single-course-enrolled-' . $course_subpage );
160	if ( ! file_exists( $template ) ) {
161	$template = tutor_get_template( 'single-course-enrolled-subpage' );
162	}
163	}else{
164	$template = tutor_get_template('login');
165	}
166	}
167	return $template;
168	}
169	return $template;
170	}
171
172	/**
173	* @param $template
174	*
175	* @return bool\|string
176	*
177	* Load lesson template
178	*
179	* @since v.1.0.0
180	*/
181
182	public function load_single_lesson_template($template){
183	global $wp_query;
184
185	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === $this->lesson_post_type){
186	$page_id = get_the_ID();
187
188	do_action('tutor_lesson_load_before', $template);
189
190	setup_postdata($page_id);
191
192	if (is_user_logged_in()){
193	$is_course_enrolled = tutor_utils()->is_course_enrolled_by_lesson();
194
195	if ($is_course_enrolled) {
196	$template = tutor_get_template( 'single-lesson' );
197	}else{
198	//You need to enroll first
199	$template = tutor_get_template( 'single.lesson.required-enroll' );
200
201	//Check Lesson edit access to support page builders
202	if(current_user_can(tutor()->instructor_role) && tutils()->has_lesson_edit_access()){
203	$template = tutor_get_template( 'single-lesson' );
204	}
205	}
206	}else{
207	$template = tutor_get_template('login');
208	}
209	wp_reset_postdata();
210
211	return apply_filters('tutor_lesson_template', $template);
212	}
213	return $template;
214	}
215
216	/**
217	* @param $template
218	*
219	* @return mixed
220	*
221	* Play the video in this url.
222	*/
223	public function play_private_video($template){
224	global $wp_query;
225
226	if ($wp_query->is_single && ! empty($wp_query->query_vars['lesson_video']) && $wp_query->query_vars['lesson_video'] === 'true') {
227
228	$isPublicVideo = apply_filters('tutor_video_stream_is_public', false, get_the_ID());
229	if ($isPublicVideo){
230	$video_info = tutor_utils()->get_video_info();
231	if ( $video_info ) {
232	$stream = new Video_Stream( $video_info->path );
233	$stream->start();
234	}
235	exit();
236	}
237
238	if (tutor_utils()->is_course_enrolled_by_lesson()) {
239	$video_info = tutor_utils()->get_video_info();
240	if ( $video_info ) {
241	$stream = new Video_Stream( $video_info->path );
242	$stream->start();
243	}
244	}else{
245	_e('Permission denied', 'tutor');
246	}
247	exit();
248	}
249
250	return $template;
251	}
252
253	/**
254	* @param $content
255	*
256	* @return mixed
257	*
258	* Tutor Dashboard Page, Responsible to show dashboard stuffs
259	*
260	* @since v.1.0.0
261	*/
262	public function convert_static_page_to_template($content){
263	//Dashboard Page
264	$student_dashboard_page_id = (int) tutor_utils()->get_option('tutor_dashboard_page_id');
265	if ($student_dashboard_page_id === get_the_ID()){
266	$shortcode = new Shortcode();
267	return $shortcode->tutor_dashboard();
268	}
269
270	//Instructor Registration Page
271	$instructor_register_page_page_id = (int) tutor_utils()->get_option('instructor_register_page');
272	if ($instructor_register_page_page_id === get_the_ID()){
273	$shortcode = new Shortcode();
274	return $shortcode->instructor_registration_form();
275	}
276
277	$student_register_page_id = (int) tutor_utils()->get_option('student_register_page');
278	if ($student_register_page_id === get_the_ID()){
279	$shortcode = new Shortcode();
280	return $shortcode->student_registration_form();
281	}
282
283	return $content;
284	}
285
286	public function tutor_dashboard($template){
287	global $wp_query;
288
289	if ($wp_query->is_page) {
290	$student_dashboard_page_id = (int) tutor_utils()->get_option('tutor_dashboard_page_id');
291	if ($student_dashboard_page_id === get_the_ID()) {
292	/**
293	* Handle if logout URL
294	* @since v.1.1.2
295	*/
296	if (tutor_utils()->array_get('tutor_dashboard_page', $wp_query->query_vars) === 'logout'){
297	$redirect = get_permalink($student_dashboard_page_id);
298	wp_logout();
299	wp_redirect($redirect);
300	die();
301	}
302
303
304	$dashboard_page = tutor_utils()->array_get('tutor_dashboard_page', $wp_query->query_vars);
305	$get_dashboard_config = tutils()->tutor_dashboard_permalinks();
306	$target_dashboard_page = tutils()->array_get($dashboard_page, $get_dashboard_config);
307
308	if (isset($target_dashboard_page['login_require']) && $target_dashboard_page['login_require'] === false){
309	$template = tutor_load_template_part( "template-part.{$dashboard_page}" );
310	}else{
311
312	/**
313	* Load view page based on dashboard Endpoint
314	*/
315	if (is_user_logged_in()) {
316	$template = tutor_get_template( 'dashboard' );
317	/**
318	* Check page page permission
319	*
320	* @since v.1.3.4
321	*/
322	$query_var = tutor_utils()->array_get('tutor_dashboard_page', $wp_query->query_vars);
323	$dashboard_pages = tutor_utils()->tutor_dashboard_pages();
324	$dashboard_page_item = tutor_utils()->array_get($query_var, $dashboard_pages);
325	$auth_cap = tutor_utils()->array_get('auth_cap', $dashboard_page_item);
326	if ($auth_cap && ! current_user_can($auth_cap) ){
327	wp_die(__('Permission Denied', 'tutor'));
328	}
329
330	}else{
331	$template = tutor_get_template( 'login' );
332	}
333
334	}
335
336	}
337	}
338
339	return $template;
340	}
341
342	/**
343	* @param $template
344	*
345	* @return bool\|string
346	*
347	* @since v.1.0.0
348	*/
349	public function load_quiz_template($template){
350	global $wp_query;
351
352	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === 'tutor_quiz'){
353	if (is_user_logged_in()){
354	$template = tutor_get_template( 'single-quiz' );
355	}else{
356	$template = tutor_get_template('login');
357	}
358	return $template;
359	}
360	return $template;
361	}
362
363	public function load_assignment_template($template){
364	global $wp_query;
365
366	if ($wp_query->is_single && ! empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] === 'tutor_assignments'){
367	if (is_user_logged_in()){
368	$template = tutor_get_template( 'single-assignment' );
369	}else{
370	$template = tutor_get_template('login');
371	}
372	return $template;
373	}
374
375	return $template;
376	}
377
378	/**
379	* @param $template
380	*
381	* @return bool\|string
382	*
383	* @since v.1.0.0
384	*/
385	public function student_public_profile($template){
386	global $wp_query;
387
388	if ( ! empty($wp_query->query['tutor_student_username'])){
389	$template = tutor_get_template( 'student-public-profile' );
390	}
391
392	return $template;
393	}
394
395	/**
396	* @return string
397	* Show student Profile
398	*
399	* @since v.1.0.0
400	*/
401	public function student_public_profile_title(){
402	global $wp_query;
403
404	if ( ! empty($wp_query->query['tutor_student_username'])){
405	global $wpdb;
406
407	$user_name = sanitize_text_field($wp_query->query['tutor_student_username']);
408	$user = $wpdb->get_row("select display_name from {$wpdb->users} WHERE user_login = '{$user_name}' limit 1; ");
409
410	if ( ! empty($user->display_name)){
411	return sprintf("%s's Profile page ", $user->display_name );
412	}
413	}
414	return '';
415	}
416
417
418	}