Shortcode.php — Tutor LMS – eLearning and online course solution 2.7.3

tutor / classes / Shortcode.php

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Shortcode.php

488 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	$signin_link = '<a data-login_url="' . esc_url( $login_url ) . '" href="#" class="tutor-open-login-modal">' . __( 'Sign-In', 'tutor' ) . '</a>';
109	/* translators: %s is anchor link for signin */
110	echo sprintf( __( 'Please %s to view this page', 'tutor' ), $signin_link ); //phpcs:ignore
111	}
112	return apply_filters( 'tutor_dashboard/index', ob_get_clean() );
113	}
114
115	/**
116	* Instructor Registration Shortcode
117	*
118	* @since v.1.0.0
119	*
120	* @return mixed
121	*/
122	public function instructor_registration_form() {
123	ob_start();
124	if ( is_user_logged_in() ) {
125	tutor_load_template( 'dashboard.instructor.logged-in' );
126	} else {
127	tutor_load_template( 'dashboard.instructor.registration' );
128	}
129	return apply_filters( 'tutor_dashboard/student/index', ob_get_clean() );
130	}
131
132	/**
133	* Short code for getting course
134	*
135	* @since 1.0.0
136	*
137	* @param mixed $atts attributes.
138	*
139	* @return string
140	*/
141	public function tutor_course( $atts ) {
142	$a = shortcode_atts(
143	array(
144	'post_type' => apply_filters( 'tutor_course_archive_post_types', array( tutor()->course_post_type ) ),
145	'post_status' => 'publish',
146
147	'id' => '',
148	'exclude_ids' => '',
149	'category' => '',
150
151	'orderby' => 'ID',
152	'order' => 'DESC',
153	'count' => tutils()->get_option( 'courses_per_page', 12 ),
154	'paged' => get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1,
155	),
156	$atts
157	);
158
159	$supported_filters = tutor_utils()->get_option( 'supported_course_filters', array() );
160	$course_filter_category = array();
161	$course_filter_exclude_ids = array();
162	$course_filter_post_ids = array();
163
164	if ( ! empty( $a['id'] ) ) {
165	$ids = (array) explode( ',', $a['id'] );
166	$a['post__in'] = $ids;
167
168	if ( is_array( $ids ) && count( $ids ) && ! wp_doing_ajax() ) {
169	$_GET['tutor-course-filter-post-ids'] = $ids;
170	$course_filter_post_ids = $ids;
171	}
172	}
173
174	if ( ! empty( $a['exclude_ids'] ) ) {
175	$exclude_ids = (array) explode( ',', $a['exclude_ids'] );
176	$a['post__not_in'] = $exclude_ids;
177	if ( is_array( $exclude_ids ) && count( $exclude_ids ) && ! wp_doing_ajax() ) {
178	$_GET['tutor-course-filter-exclude-ids'] = $exclude_ids;
179	$course_filter_exclude_ids = $exclude_ids;
180	}
181	}
182	if ( ! empty( $a['category'] ) ) {
183	$category = (array) explode( ',', $a['category'] );
184
185	$a['tax_query'] = array();
186
187	$category_ids = array_filter(
188	$category,
189	function( $id ) {
190	return is_numeric( $id );
191	}
192	);
193
194	$category_names = array_filter(
195	$category,
196	function( $id ) {
197	return ! is_numeric( $id );
198	}
199	);
200
201	if ( ! empty( $category_ids ) ) {
202	$a['tax_query'] = array(
203	array(
204	'taxonomy' => 'course-category',
205	'field' => 'term_id',
206	'terms' => $category_ids,
207	'operator' => 'IN',
208	),
209	);
210
211	if ( is_array( $category_ids ) && count( $category_ids ) && ! wp_doing_ajax() ) {
212	$_GET['tutor-course-filter-category'] = $category_ids;
213	$course_filter_category = $category_ids;
214	unset( $supported_filters['category'] );
215	}
216	}
217
218	if ( ! empty( $category_names ) ) {
219	$a['tax_query'] = array(
220	array(
221	'taxonomy' => 'course-category',
222	'field' => 'name',
223	'terms' => $category_names,
224	'operator' => 'IN',
225	),
226	);
227	}
228	}
229	$a['posts_per_page'] = (int) $a['count'];
230
231	wp_reset_query();
232	$the_query = new \WP_Query( $a );
233
234	/**
235	* Pagination & course filter handle from query param on page load (without ajax)
236	*
237	* @since 2.4.0
238	*/
239	$get = Input::has( 'course_filter' ) ? Input::sanitize_array( $_GET ) : array();
240	if ( Input::has( 'course_filter' ) ) {
241	$filter = ( new \Tutor\Course_Filter( false ) )->load_listing( $get, true );
242	$the_query = new \WP_Query( $filter );
243	}
244
245	// Load the renderer now.
246	ob_start();
247
248	if ( $the_query->have_posts() ) {
249	tutor_load_template(
250	'archive-course-init',
251	array(
252	'course_filter' => isset( $atts['course_filter'] ) && 'on' === $atts['course_filter'],
253	'supported_filters' => $supported_filters,
254	'loop_content_only' => false,
255	'column_per_row' => isset( $atts['column_per_row'] ) ? $atts['column_per_row'] : null,
256	'course_per_page' => $a['posts_per_page'],
257	'show_pagination' => isset( $atts['show_pagination'] ) && 'on' === $atts['show_pagination'],
258	'the_query' => $the_query,
259	'current_page' => isset( $get['current_page'] ) ? (int) $get['current_page'] : 1,
260	'course_filter_category' => ! empty( $course_filter_category ) ? json_encode( $course_filter_category ) : null,
261	'course_filter_exclude_ids' => ! empty( $course_filter_exclude_ids ) ? json_encode( $course_filter_exclude_ids ) : null,
262	'course_filter_post_ids' => ! empty( $course_filter_post_ids ) ? json_encode( $course_filter_post_ids ) : null,
263	)
264	);
265	} else {
266	tutor_utils()->tutor_empty_state( tutor_utils()->not_found_text() );
267	}
268
269	$output = ob_get_clean();
270	wp_reset_postdata();
271	return $output;
272	}
273
274	/**
275	* Prepare instructor list
276	*
277	* @param string $current_page current page.
278	* @param mixed $atts atts for query.
279	* @param array $cat_ids category ids.
280	* @param string $keyword search keyword.
281	*
282	* @return array
283	*/
284	private function prepare_instructor_list( $current_page, $atts, $cat_ids = array(), $keyword = '' ) {
285
286	$default_pagination = tutor_utils()->get_option( 'pagination_per_page', 9 );
287	$limit = (int) sanitize_text_field( tutor_utils()->array_get( 'count', $atts, $default_pagination ) );
288	$page = $current_page - 1;
289	$rating_filter = Input::post( 'rating_filter', '' );
290
291	/**
292	* Sort by Relevant \| New \| Popular
293	*
294	* @since 2.0.0
295	*/
296	$short_by = Input::post( 'short_by', 'ASC' );
297
298	$instructors = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter );
299	$instructors_count = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter, true );
300
301	$layout = sanitize_text_field( tutor_utils()->array_get( 'layout', $atts, '' ) );
302	$layout = in_array( $layout, $this->instructor_layout ) ? $layout : tutor_utils()->get_option( 'instructor_list_layout', $this->instructor_layout[0] );
303	$default_col = tutor_utils()->get_option( 'courses_col_per_row', 3 );
304
305	$payload = array(
306	'instructors' => is_array( $instructors ) ? $instructors : array(),
307	'instructors_count' => $instructors_count,
308	'column_count' => sanitize_text_field( tutor_utils()->array_get( 'column_per_row', $atts, $default_col ) ),
309	'layout' => $layout,
310	'limit' => $limit,
311	'current_page' => $current_page,
312	'filter' => $atts,
313	);
314
315	return $payload;
316	}
317
318	/**
319	* Short code for getting instructors
320	*
321	* @param array $atts array of attrs.
322	*
323	* @return string
324	*/
325	public function tutor_instructor_list( $atts ) {
326	global $wpdb;
327	! is_array( $atts ) ? $atts = array() : 0;
328
329	$current_page = (int) tutor_utils()->array_get( 'instructor-page', $_GET, 1 );
330	$current_page = Input::get( 'instructor-page', 1, Input::TYPE_INT );
331	$current_page = $current_page >= 1 ? $current_page : 1;
332
333	$show_filter = isset( $atts['filter'] ) ? 'on' === $atts['filter'] : tutor_utils()->get_option( 'instructor_list_show_filter', false );
334	$atts['show_filter'] = $show_filter;
335
336	// Get instructor list to sow.
337	$payload = $this->prepare_instructor_list( $current_page, $atts );
338	$payload['show_filter'] = $show_filter;
339
340	ob_start();
341	tutor_load_template( 'shortcode.tutor-instructor', $payload );
342	$content = ob_get_clean();
343
344	if ( $show_filter ) {
345	$limit = 8;
346	$course_taxonomy = 'course-category';
347	$course_cats = $wpdb->get_results(
348	$wpdb->prepare(
349	"SELECT
350	*
351	FROM {$wpdb->terms} AS term
352
353	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
354	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
355
356	ORDER BY term.term_id DESC
357	LIMIT %d
358	",
359	$course_taxonomy,
360	$limit
361	)
362	);
363
364	$all_cats = $wpdb->get_var(
365	$wpdb->prepare(
366	"SELECT
367	COUNT(*) as total
368	FROM {$wpdb->terms} AS term
369	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
370	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
371	ORDER BY term.term_id DESC
372	",
373	$course_taxonomy
374	)
375	);
376
377	$attributes = $payload;
378	unset( $attributes['instructors'] );
379
380	$payload = array(
381	'show_filter' => $show_filter,
382	'content' => $content,
383	'categories' => $course_cats,
384	'all_cats' => $all_cats,
385	'attributes' => array_merge( $atts, $attributes ),
386	);
387
388	ob_start();
389
390	tutor_load_template( 'shortcode.instructor-filter', $payload );
391
392	$content = ob_get_clean();
393	}
394
395	return $content;
396	}
397
398	/**
399	* Load more categories
400	* handle ajax request
401	*
402	* @since 2.0.0
403	*
404	* @return void send wp_json response
405	*/
406	public function show_more() {
407	global $wpdb;
408	tutor_utils()->checking_nonce();
409	$term_id = Input::post( 'term_id', 0, Input::TYPE_INT );
410	$limit = 8;
411	$course_taxonomy = 'course-category';
412
413	$remaining_categories = $wpdb->get_var(
414	$wpdb->prepare(
415	"SElECT
416	COUNT(*) AS total
417	FROM {$wpdb->terms} AS term
418	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
419	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
420	WHERE term.term_id < %d
421	ORDER BY term.term_id DESC
422	",
423	$course_taxonomy,
424	$term_id
425	)
426	);
427
428	$add_categories = $wpdb->get_results(
429	$wpdb->prepare(
430	"SElECT
431	*
432	FROM {$wpdb->terms} term
433	INNER JOIN {$wpdb->term_taxonomy} as taxonomy
434	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
435	WHERE term.term_id < %d
436	ORDER BY term.term_id DESC
437	LIMIT %d
438	",
439	$course_taxonomy,
440	$term_id,
441	$limit
442	)
443	);
444	$show_more = false;
445	if ( $remaining_categories > $limit ) {
446	$show_more = true;
447	}
448	$response = array(
449	'categories' => $add_categories,
450	'show_more' => $show_more,
451	'remaining' => $remaining_categories,
452	);
453	wp_send_json_success( $response );
454	exit;
455	}
456
457	/**
458	* Filter instructor
459	*
460	* @since 1.0.0
461	*
462	* @return void send wp_json response
463	*/
464	public function load_filtered_instructor() {
465	tutor_utils()->checking_nonce();
466
467	// phpcs:disable WordPress.Security.NonceVerification.Missing --nonce already verified
468	$_post = tutor_sanitize_data( $_POST );
469	$current_page = (int) sanitize_text_field( tutor_utils()->array_get( 'current_page', $_post, 1 ) );
470	$keyword = (string) sanitize_text_field( tutor_utils()->array_get( 'keyword', $_post, '' ) );
471
472	$category = (array) tutor_utils()->array_get( 'category', $_post, array() );
473	$category = array_filter(
474	$category,
475	function( $cat ) {
476	return is_numeric( $cat );
477	}
478	);
479
480	$data = $this->prepare_instructor_list( $current_page, $_post, $category, $keyword );
481
482	ob_start();
483	tutor_load_template( 'shortcode.tutor-instructor', $data );
484	wp_send_json_success( array( 'html' => ob_get_clean() ) );
485	exit;
486	}
487	}
488