Shortcode.php — Tutor LMS – eLearning and online course solution 2.6.1

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( 'wp_ajax_load_filtered_instructor', array( $this, 'load_filtered_instructor' ) );
52	add_action( 'wp_ajax_nopriv_load_filtered_instructor', array( $this, 'load_filtered_instructor' ) );
53
54	/**
55	* Load more categories
56	*
57	* @since 2.0.0
58	*/
59	add_action( 'wp_ajax_show_more', array( $this, 'show_more' ) );
60	add_action( 'wp_ajax_nopriv_show_more', array( $this, 'show_more' ) );
61	}
62
63	/**
64	* Instructor Registration Shortcode
65	*
66	* @since 1.0.0
67	*
68	* @return mixed
69	*/
70	public function student_registration_form() {
71	ob_start();
72	if ( is_user_logged_in() ) {
73	tutor_load_template( 'dashboard.logged-in' );
74	} else {
75	tutor_load_template( 'dashboard.registration' );
76	}
77	return apply_filters( 'tutor/student/register', ob_get_clean() );
78	}
79
80	/**
81	* Tutor Dashboard for students
82	*
83	* @since 1.0.0
84	*
85	* @return mixed
86	*/
87	public function tutor_dashboard() {
88	global $wp_query;
89
90	ob_start();
91	if ( is_user_logged_in() ) {
92	/**
93	* Added isset() Condition to avoid infinite loop since v.1.5.4
94	* This has cause error by others plugin, Such AS SEO
95	*/
96
97	if ( ! isset( $wp_query->query_vars['tutor_dashboard_page'] ) ) {
98	tutor_load_template( 'dashboard', array( 'is_shortcode' => true ) );
99	}
100	} else {
101	/**
102	* If user not logged in show login form instead of
103	* popup sign-in button
104	*
105	* @since 2.1.3
106	*/
107	$login_url = tutor_utils()->get_option( 'enable_tutor_native_login', null, true, true ) ? '' : wp_login_url( tutor()->current_url );
108	echo sprintf( __( 'Please %1$sSign-In%2$s to view this page', 'tutor' ), '<a data-login_url="' . esc_url( $login_url ) . '" href="#" class="tutor-open-login-modal">', '</a>' );//phpcs:ignore
109	}
110	return apply_filters( 'tutor_dashboard/index', ob_get_clean() );
111	}
112
113	/**
114	* Instructor Registration Shortcode
115	*
116	* @since v.1.0.0
117	*
118	* @return mixed
119	*/
120	public function instructor_registration_form() {
121	ob_start();
122	if ( is_user_logged_in() ) {
123	tutor_load_template( 'dashboard.instructor.logged-in' );
124	} else {
125	tutor_load_template( 'dashboard.instructor.registration' );
126	}
127	return apply_filters( 'tutor_dashboard/student/index', ob_get_clean() );
128	}
129
130	/**
131	* Short code for getting course
132	*
133	* @since 1.0.0
134	*
135	* @param mixed $atts attributes.
136	*
137	* @return string
138	*/
139	public function tutor_course( $atts ) {
140	$a = shortcode_atts(
141	array(
142	'post_type' => apply_filters( 'tutor_course_archive_post_types', array( tutor()->course_post_type ) ),
143	'post_status' => 'publish',
144
145	'id' => '',
146	'exclude_ids' => '',
147	'category' => '',
148
149	'orderby' => 'ID',
150	'order' => 'DESC',
151	'count' => tutils()->get_option( 'courses_per_page', 12 ),
152	'paged' => get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1,
153	),
154	$atts
155	);
156
157	if ( ! empty( $a['id'] ) ) {
158	$ids = (array) explode( ',', $a['id'] );
159	$a['post__in'] = $ids;
160	}
161
162	if ( ! empty( $a['exclude_ids'] ) ) {
163	$exclude_ids = (array) explode( ',', $a['exclude_ids'] );
164	$a['post__not_in'] = $exclude_ids;
165	}
166	if ( ! empty( $a['category'] ) ) {
167	$category = (array) explode( ',', $a['category'] );
168
169	$a['tax_query'] = array();
170
171	$category_ids = array_filter(
172	$category,
173	function( $id ) {
174	return is_numeric( $id );
175	}
176	);
177
178	$category_names = array_filter(
179	$category,
180	function( $id ) {
181	return ! is_numeric( $id );
182	}
183	);
184
185	if ( ! empty( $category_ids ) ) {
186	$a['tax_query'] = array(
187	array(
188	'taxonomy' => 'course-category',
189	'field' => 'term_id',
190	'terms' => $category_ids,
191	'operator' => 'IN',
192	),
193	);
194	}
195
196	if ( ! empty( $category_names ) ) {
197	$a['tax_query'] = array(
198	array(
199	'taxonomy' => 'course-category',
200	'field' => 'name',
201	'terms' => $category_names,
202	'operator' => 'IN',
203	),
204	);
205	}
206	}
207	$a['posts_per_page'] = (int) $a['count'];
208
209	wp_reset_query();
210	$the_query = new \WP_Query( $a );
211
212	/**
213	* Pagination & course filter handle from query param on page load (without ajax)
214	*
215	* @since 2.4.0
216	*/
217	$get = Input::has( 'course_filter' ) ? Input::sanitize_array( $_GET ) : array();
218	if ( Input::has( 'course_filter' ) ) {
219	$filter = ( new \Tutor\Course_Filter( false ) )->load_listing( $get, true );
220	$the_query = new \WP_Query( $filter );
221	}
222
223	// Load the renderer now.
224	ob_start();
225
226	if ( $the_query->have_posts() ) {
227	tutor_load_template(
228	'archive-course-init',
229	array(
230	'course_filter' => isset( $atts['course_filter'] ) && 'on' === $atts['course_filter'],
231	'supported_filters' => tutor_utils()->get_option( 'supported_course_filters', array() ),
232	'loop_content_only' => false,
233	'column_per_row' => isset( $atts['column_per_row'] ) ? $atts['column_per_row'] : null,
234	'course_per_page' => $a['posts_per_page'],
235	'show_pagination' => isset( $atts['show_pagination'] ) && 'on' === $atts['show_pagination'],
236	'the_query' => $the_query,
237	'current_page' => isset( $get['current_page'] ) ? (int) $get['current_page'] : 1,
238	)
239	);
240	} else {
241	tutor_utils()->tutor_empty_state( tutor_utils()->not_found_text() );
242	}
243
244	$output = ob_get_clean();
245	wp_reset_postdata();
246	return $output;
247	}
248
249	/**
250	* Prepare instructor list
251	*
252	* @param string $current_page current page.
253	* @param mixed $atts atts for query.
254	* @param array $cat_ids category ids.
255	* @param string $keyword search keyword.
256	*
257	* @return array
258	*/
259	private function prepare_instructor_list( $current_page, $atts, $cat_ids = array(), $keyword = '' ) {
260
261	$default_pagination = tutor_utils()->get_option( 'pagination_per_page', 9 );
262	$limit = (int) sanitize_text_field( tutor_utils()->array_get( 'count', $atts, $default_pagination ) );
263	$page = $current_page - 1;
264	$rating_filter = Input::post( 'rating_filter', '' );
265
266	/**
267	* Sort by Relevant \| New \| Popular
268	*
269	* @since 2.0.0
270	*/
271	$short_by = Input::post( 'short_by', 'ASC' );
272
273	$instructors = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter );
274	$instructors_count = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter, true );
275
276	$layout = sanitize_text_field( tutor_utils()->array_get( 'layout', $atts, '' ) );
277	$layout = in_array( $layout, $this->instructor_layout ) ? $layout : tutor_utils()->get_option( 'instructor_list_layout', $this->instructor_layout[0] );
278	$default_col = tutor_utils()->get_option( 'courses_col_per_row', 3 );
279
280	$payload = array(
281	'instructors' => is_array( $instructors ) ? $instructors : array(),
282	'instructors_count' => $instructors_count,
283	'column_count' => sanitize_text_field( tutor_utils()->array_get( 'column_per_row', $atts, $default_col ) ),
284	'layout' => $layout,
285	'limit' => $limit,
286	'current_page' => $current_page,
287	'filter' => $atts,
288	);
289
290	return $payload;
291	}
292
293	/**
294	* Short code for getting instructors
295	*
296	* @param array $atts array of attrs.
297	*
298	* @return string
299	*/
300	public function tutor_instructor_list( $atts ) {
301	global $wpdb;
302	! is_array( $atts ) ? $atts = array() : 0;
303
304	$current_page = (int) tutor_utils()->array_get( 'instructor-page', $_GET, 1 );
305	$current_page = Input::get( 'instructor-page', 1, Input::TYPE_INT );
306	$current_page = $current_page >= 1 ? $current_page : 1;
307
308	$show_filter = isset( $atts['filter'] ) ? 'on' === $atts['filter'] : tutor_utils()->get_option( 'instructor_list_show_filter', false );
309	$atts['show_filter'] = $show_filter;
310
311	// Get instructor list to sow.
312	$payload = $this->prepare_instructor_list( $current_page, $atts );
313	$payload['show_filter'] = $show_filter;
314
315	ob_start();
316	tutor_load_template( 'shortcode.tutor-instructor', $payload );
317	$content = ob_get_clean();
318
319	if ( $show_filter ) {
320	$limit = 8;
321	$course_taxonomy = 'course-category';
322	$course_cats = $wpdb->get_results(
323	$wpdb->prepare(
324	"SELECT
325	*
326	FROM {$wpdb->terms} AS term
327
328	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
329	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
330
331	ORDER BY term.term_id DESC
332	LIMIT %d
333	",
334	$course_taxonomy,
335	$limit
336	)
337	);
338
339	$all_cats = $wpdb->get_var(
340	$wpdb->prepare(
341	"SELECT
342	COUNT(*) as total
343	FROM {$wpdb->terms} AS term
344	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
345	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
346	ORDER BY term.term_id DESC
347	",
348	$course_taxonomy
349	)
350	);
351
352	$attributes = $payload;
353	unset( $attributes['instructors'] );
354
355	$payload = array(
356	'show_filter' => $show_filter,
357	'content' => $content,
358	'categories' => $course_cats,
359	'all_cats' => $all_cats,
360	'attributes' => array_merge( $atts, $attributes ),
361	);
362
363	ob_start();
364
365	tutor_load_template( 'shortcode.instructor-filter', $payload );
366
367	$content = ob_get_clean();
368	}
369
370	return $content;
371	}
372
373	/**
374	* Load more categories
375	* handle ajax request
376	*
377	* @since 2.0.0
378	*
379	* @return void send wp_json response
380	*/
381	public function show_more() {
382	global $wpdb;
383	tutor_utils()->checking_nonce();
384	$term_id = Input::post( 'term_id', 0, Input::TYPE_INT );
385	$limit = 8;
386	$course_taxonomy = 'course-category';
387
388	$remaining_categories = $wpdb->get_var(
389	$wpdb->prepare(
390	"SElECT
391	COUNT(*) AS total
392	FROM {$wpdb->terms} AS term
393	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
394	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
395	WHERE term.term_id < %d
396	ORDER BY term.term_id DESC
397	",
398	$course_taxonomy,
399	$term_id
400	)
401	);
402
403	$add_categories = $wpdb->get_results(
404	$wpdb->prepare(
405	"SElECT
406	*
407	FROM {$wpdb->terms} term
408	INNER JOIN {$wpdb->term_taxonomy} as taxonomy
409	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
410	WHERE term.term_id < %d
411	ORDER BY term.term_id DESC
412	LIMIT %d
413	",
414	$course_taxonomy,
415	$term_id,
416	$limit
417	)
418	);
419	$show_more = false;
420	if ( $remaining_categories > $limit ) {
421	$show_more = true;
422	}
423	$response = array(
424	'categories' => $add_categories,
425	'show_more' => $show_more,
426	'remaining' => $remaining_categories,
427	);
428	wp_send_json_success( $response );
429	exit;
430	}
431
432	/**
433	* Filter instructor
434	*
435	* @since 1.0.0
436	*
437	* @return void send wp_json response
438	*/
439	public function load_filtered_instructor() {
440	tutor_utils()->checking_nonce();
441
442	// phpcs:disable WordPress.Security.NonceVerification.Missing --nonce already verified
443	$_post = tutor_sanitize_data( $_POST );
444	$current_page = (int) sanitize_text_field( tutor_utils()->array_get( 'current_page', $_post, 1 ) );
445	$keyword = (string) sanitize_text_field( tutor_utils()->array_get( 'keyword', $_post, '' ) );
446
447	$category = (array) tutor_utils()->array_get( 'category', $_post, array() );
448	$category = array_filter(
449	$category,
450	function( $cat ) {
451	return is_numeric( $cat );
452	}
453	);
454
455	$data = $this->prepare_instructor_list( $current_page, $_post, $category, $keyword );
456
457	ob_start();
458	tutor_load_template( 'shortcode.tutor-instructor', $data );
459	wp_send_json_success( array( 'html' => ob_get_clean() ) );
460	exit;
461	}
462	}
463