Shortcode.php — Tutor LMS – eLearning and online course solution 2.7.2

tutor / classes / Shortcode.php

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Shortcode.php

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