Shortcode.php — Tutor LMS – eLearning and online course solution 2.2.4

tutor / classes / Shortcode.php

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Shortcode.php

463 lines

1	<?php
2	/**
3	* Manage short codes
4	*
5	* @package Tutor\ShortCode
6	* @author Themeum <support@themeum.com>
7	* @link https://themeum.com
8	* @since 1.0.0
9	*/
10
11	namespace TUTOR;
12
13	if ( ! defined( 'ABSPATH' ) ) {
14	exit;
15	}
16
17	/**
18	* Short code class
19	*
20	* @since 1.0.0
21	*/
22	class Shortcode {
23
24	/**
25	* Instructor page design layouts
26	*
27	* @since 1.0.0
28	*
29	* @var array
30	*/
31	private $instructor_layout = array(
32	'default',
33	'cover',
34	'minimal',
35	'portrait-horizontal',
36	'minimal-horizontal',
37	);
38
39	/**
40	* Register hooks
41	*
42	* @since 1.0.0
43	*/
44	public function __construct() {
45	add_shortcode( 'tutor_student_registration_form', array( $this, 'student_registration_form' ) );
46	add_shortcode( 'tutor_dashboard', array( $this, 'tutor_dashboard' ) );
47	add_shortcode( 'tutor_instructor_registration_form', array( $this, 'instructor_registration_form' ) );
48	add_shortcode( 'tutor_course', array( $this, 'tutor_course' ) );
49
50	add_shortcode( 'tutor_instructor_list', array( $this, 'tutor_instructor_list' ) );
51	add_action( 'tutor_options_after_instructors', array( $this, 'tutor_instructor_layout' ) );
52	add_action( 'wp_ajax_load_filtered_instructor', array( $this, 'load_filtered_instructor' ) );
53	add_action( 'wp_ajax_nopriv_load_filtered_instructor', array( $this, 'load_filtered_instructor' ) );
54
55	/**
56	* Load more categories
57	*
58	* @since 2.0.0
59	*/
60	add_action( 'wp_ajax_show_more', array( $this, 'show_more' ) );
61	add_action( 'wp_ajax_nopriv_show_more', array( $this, 'show_more' ) );
62	}
63
64	/**
65	* Instructor Registration Shortcode
66	*
67	* @since 1.0.0
68	*
69	* @return mixed
70	*/
71	public function student_registration_form() {
72	ob_start();
73	if ( is_user_logged_in() ) {
74	tutor_load_template( 'dashboard.logged-in' );
75	} else {
76	tutor_load_template( 'dashboard.registration' );
77	}
78	return apply_filters( 'tutor/student/register', ob_get_clean() );
79	}
80
81	/**
82	* Tutor Dashboard for students
83	*
84	* @since 1.0.0
85	*
86	* @return mixed
87	*/
88	public function tutor_dashboard() {
89	global $wp_query;
90
91	ob_start();
92	if ( is_user_logged_in() ) {
93	/**
94	* Added isset() Condition to avoid infinite loop since v.1.5.4
95	* This has cause error by others plugin, Such AS SEO
96	*/
97
98	if ( ! isset( $wp_query->query_vars['tutor_dashboard_page'] ) ) {
99	tutor_load_template( 'dashboard', array( 'is_shortcode' => true ) );
100	}
101	} else {
102	/**
103	* If user not logged in show login form instead of
104	* popup sign-in button
105	*
106	* @since 2.1.3
107	*/
108	$login_url = tutor_utils()->get_option( 'enable_tutor_native_login', null, true, true ) ? '' : wp_login_url( tutor()->current_url );
109	echo sprintf( __( 'Please %1$sSign-In%2$s to view this page', 'tutor' ), '<a data-login_url="' . esc_url( $login_url ) . '" href="#" class="tutor-open-login-modal">', '</a>' );
110	}
111	return apply_filters( 'tutor_dashboard/index', ob_get_clean() );
112	}
113
114	/**
115	* Instructor Registration Shortcode
116	*
117	* @since v.1.0.0
118	*
119	* @return mixed
120	*/
121	public function instructor_registration_form() {
122	ob_start();
123	if ( is_user_logged_in() ) {
124	tutor_load_template( 'dashboard.instructor.logged-in' );
125	} else {
126	tutor_load_template( 'dashboard.instructor.registration' );
127	}
128	return apply_filters( 'tutor_dashboard/student/index', ob_get_clean() );
129	}
130
131	/**
132	* Short code for getting course
133	*
134	* @since 1.0.0
135	*
136	* @param mixed $atts attributes.
137	*
138	* @return string
139	*/
140	public function tutor_course( $atts ) {
141	$a = shortcode_atts(
142	array(
143	'post_type' => apply_filters( 'tutor_course_archive_post_types', array( tutor()->course_post_type ) ),
144	'post_status' => 'publish',
145
146	'id' => '',
147	'exclude_ids' => '',
148	'category' => '',
149
150	'orderby' => 'ID',
151	'order' => 'DESC',
152	'count' => 6,
153	'paged' => get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1,
154	),
155	$atts
156	);
157
158	if ( ! empty( $a['id'] ) ) {
159	$ids = (array) explode( ',', $a['id'] );
160	$a['post__in'] = $ids;
161	}
162
163	if ( ! empty( $a['exclude_ids'] ) ) {
164	$exclude_ids = (array) explode( ',', $a['exclude_ids'] );
165	$a['post__not_in'] = $exclude_ids;
166	}
167	if ( ! empty( $a['category'] ) ) {
168	$category = (array) explode( ',', $a['category'] );
169
170	$a['tax_query'] = array();
171
172	$category_ids = array_filter(
173	$category,
174	function( $id ) {
175	return is_numeric( $id );
176	}
177	);
178
179	$category_names = array_filter(
180	$category,
181	function( $id ) {
182	return ! is_numeric( $id );
183	}
184	);
185
186	if ( ! empty( $category_ids ) ) {
187	$a['tax_query'] = array(
188	array(
189	'taxonomy' => 'course-category',
190	'field' => 'term_id',
191	'terms' => $category_ids,
192	'operator' => 'IN',
193	),
194	);
195	}
196
197	if ( ! empty( $category_names ) ) {
198	$a['tax_query'] = array(
199	array(
200	'taxonomy' => 'course-category',
201	'field' => 'name',
202	'terms' => $category_names,
203	'operator' => 'IN',
204	),
205	);
206	}
207	}
208	$a['posts_per_page'] = (int) $a['count'];
209
210	wp_reset_query();
211	$the_query = new \WP_Query( $a );
212
213	// Load the renderer now.
214	ob_start();
215
216	if ( $the_query->have_posts() ) {
217	tutor_load_template(
218	'archive-course-init',
219	array(
220	'course_filter' => isset( $atts['course_filter'] ) && $atts['course_filter'] == 'on',
221	'supported_filters' => tutor_utils()->get_option( 'supported_course_filters', array() ),
222	'loop_content_only' => false,
223	'column_per_row' => isset( $atts['column_per_row'] ) ? $atts['column_per_row'] : null,
224	'course_per_page' => $a['posts_per_page'],
225	'show_pagination' => isset( $atts['show_pagination'] ) && $atts['show_pagination'] == 'on',
226	'the_query' => $the_query,
227	)
228	);
229	} else {
230	tutor_utils()->tutor_empty_state( tutor_utils()->not_found_text() );
231	}
232
233	$output = ob_get_clean();
234	wp_reset_postdata();
235	return $output;
236	}
237
238	/**
239	* Prepare instructor list
240	*
241	* @param string $current_page current page.
242	* @param mixed $atts atts for query.
243	* @param array $cat_ids category ids.
244	* @param string $keyword search keyword.
245	*
246	* @return array
247	*/
248	private function prepare_instructor_list( $current_page, $atts, $cat_ids = array(), $keyword = '' ) {
249
250	$default_pagination = tutor_utils()->get_option( 'pagination_per_page', 9 );
251	$limit = (int) sanitize_text_field( tutor_utils()->array_get( 'count', $atts, $default_pagination ) );
252	$page = $current_page - 1;
253	$rating_filter = Input::post( 'rating_filter', '' );
254
255	/**
256	* Sort by Relevant \| New \| Popular
257	*
258	* @since 2.0.0
259	*/
260	$short_by = Input::post( 'short_by', 'ASC' );
261
262	$instructors = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter );
263	$instructors_count = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter, true );
264
265	$layout = sanitize_text_field( tutor_utils()->array_get( 'layout', $atts, '' ) );
266	$layout = in_array( $layout, $this->instructor_layout ) ? $layout : tutor_utils()->get_option( 'instructor_list_layout', $this->instructor_layout[0] );
267	$default_col = tutor_utils()->get_option( 'courses_col_per_row', 3 );
268
269	$payload = array(
270	'instructors' => is_array( $instructors ) ? $instructors : array(),
271	'instructors_count' => $instructors_count,
272	'column_count' => sanitize_text_field( tutor_utils()->array_get( 'column_per_row', $atts, $default_col ) ),
273	'layout' => $layout,
274	'limit' => $limit,
275	'current_page' => $current_page,
276	'filter' => $atts,
277	);
278
279	return $payload;
280	}
281
282	/**
283	* Short code for getting instructors
284	*
285	* @param array $atts array of attrs.
286	*
287	* @return string
288	*/
289	public function tutor_instructor_list( $atts ) {
290	global $wpdb;
291	! is_array( $atts ) ? $atts = array() : 0;
292
293	$current_page = (int) tutor_utils()->array_get( 'instructor-page', $_GET, 1 );
294	$current_page = Input::get( 'instructor-page', 1, Input::TYPE_INT );
295	$current_page = $current_page >= 1 ? $current_page : 1;
296
297	$show_filter = isset( $atts['filter'] ) ? 'on' === $atts['filter'] : tutor_utils()->get_option( 'instructor_list_show_filter', false );
298	$atts['show_filter'] = $show_filter;
299
300	// Get instructor list to sow.
301	$payload = $this->prepare_instructor_list( $current_page, $atts );
302	$payload['show_filter'] = $show_filter;
303
304	ob_start();
305	tutor_load_template( 'shortcode.tutor-instructor', $payload );
306	$content = ob_get_clean();
307
308	if ( $show_filter ) {
309	$limit = 8;
310	$course_taxonomy = 'course-category';
311	$course_cats = $wpdb->get_results(
312	$wpdb->prepare(
313	"SELECT
314	*
315	FROM {$wpdb->terms} AS term
316
317	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
318	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
319
320	ORDER BY term.term_id DESC
321	LIMIT %d
322	",
323	$course_taxonomy,
324	$limit
325	)
326	);
327
328	$all_cats = $wpdb->get_var(
329	$wpdb->prepare(
330	"SELECT
331	COUNT(*) as total
332	FROM {$wpdb->terms} AS term
333	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
334	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
335	ORDER BY term.term_id DESC
336	",
337	$course_taxonomy
338	)
339	);
340
341	$attributes = $payload;
342	unset( $attributes['instructors'] );
343
344	$payload = array(
345	'show_filter' => $show_filter,
346	'content' => $content,
347	'categories' => $course_cats,
348	'all_cats' => $all_cats,
349	'attributes' => array_merge( $atts, $attributes ),
350	);
351
352	ob_start();
353
354	tutor_load_template( 'shortcode.instructor-filter', $payload );
355
356	$content = ob_get_clean();
357	}
358
359	return $content;
360	}
361
362	/**
363	* Load more categories
364	* handle ajax request
365	*
366	* @since 2.0.0
367	*
368	* @return void send wp_json response
369	*/
370	public function show_more() {
371	global $wpdb;
372	tutor_utils()->checking_nonce();
373	$term_id = Input::post( 'term_id', 0, Input::TYPE_INT );
374	$limit = 8;
375	$course_taxonomy = 'course-category';
376
377	$remaining_categories = $wpdb->get_var(
378	$wpdb->prepare(
379	"SElECT
380	COUNT(*) AS total
381	FROM {$wpdb->terms} AS term
382	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
383	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
384	WHERE term.term_id < %d
385	ORDER BY term.term_id DESC
386	",
387	$course_taxonomy,
388	$term_id
389	)
390	);
391
392	$add_categories = $wpdb->get_results(
393	$wpdb->prepare(
394	"SElECT
395	*
396	FROM {$wpdb->terms} term
397	INNER JOIN {$wpdb->term_taxonomy} as taxonomy
398	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
399	WHERE term.term_id < %d
400	ORDER BY term.term_id DESC
401	LIMIT %d
402	",
403	$course_taxonomy,
404	$term_id,
405	$limit
406	)
407	);
408	$show_more = false;
409	if ( $remaining_categories > $limit ) {
410	$show_more = true;
411	}
412	$response = array(
413	'categories' => $add_categories,
414	'show_more' => $show_more,
415	'remaining' => $remaining_categories,
416	);
417	wp_send_json_success( $response );
418	exit;
419	}
420
421	/**
422	* Filter instructor
423	*
424	* @since 1.0.0
425	*
426	* @return void send wp_json response
427	*/
428	public function load_filtered_instructor() {
429	tutor_utils()->checking_nonce();
430
431	// phpcs:disable WordPress.Security.NonceVerification.Missing --nonce already verified
432	$_post = tutor_sanitize_data( $_POST );
433	$current_page = (int) sanitize_text_field( tutor_utils()->array_get( 'current_page', $_post, 1 ) );
434	$keyword = (string) sanitize_text_field( tutor_utils()->array_get( 'keyword', $_post, '' ) );
435
436	$category = (array) tutor_utils()->array_get( 'category', $_post, array() );
437	$category = array_filter(
438	$category,
439	function( $cat ) {
440	return is_numeric( $cat );
441	}
442	);
443
444	$data = $this->prepare_instructor_list( $current_page, $_post, $category, $keyword );
445
446	ob_start();
447	tutor_load_template( 'shortcode.tutor-instructor', $data );
448	wp_send_json_success( array( 'html' => ob_get_clean() ) );
449	exit;
450	}
451
452	/**
453	* Show layout selection dashboard in instructor setting
454	*
455	* @since 1.0.0
456	*
457	* @return void
458	*/
459	public function tutor_instructor_layout() {
460	tutor_load_template( 'instructor-setting', array( 'templates' => $this->instructor_layout ) );
461	}
462	}
463