Shortcode.php — Tutor LMS – eLearning and online course solution 2.2.1

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( '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	$course_post_type = tutor()->course_post_type;
142
143	$a = shortcode_atts(
144	array(
145	'post_type' => $course_post_type,
146	'post_status' => 'publish',
147
148	'id' => '',
149	'exclude_ids' => '',
150	'category' => '',
151
152	'orderby' => 'ID',
153	'order' => 'DESC',
154	'count' => 6,
155	'paged' => get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1,
156	),
157	$atts
158	);
159
160	if ( ! empty( $a['id'] ) ) {
161	$ids = (array) explode( ',', $a['id'] );
162	$a['post__in'] = $ids;
163	}
164
165	if ( ! empty( $a['exclude_ids'] ) ) {
166	$exclude_ids = (array) explode( ',', $a['exclude_ids'] );
167	$a['post__not_in'] = $exclude_ids;
168	}
169	if ( ! empty( $a['category'] ) ) {
170	$category = (array) explode( ',', $a['category'] );
171
172	$a['tax_query'] = array();
173
174	$category_ids = array_filter(
175	$category,
176	function( $id ) {
177	return is_numeric( $id );
178	}
179	);
180
181	$category_names = array_filter(
182	$category,
183	function( $id ) {
184	return ! is_numeric( $id );
185	}
186	);
187
188	if ( ! empty( $category_ids ) ) {
189	$a['tax_query'] = array(
190	array(
191	'taxonomy' => 'course-category',
192	'field' => 'term_id',
193	'terms' => $category_ids,
194	'operator' => 'IN',
195	),
196	);
197	}
198
199	if ( ! empty( $category_names ) ) {
200	$a['tax_query'] = array(
201	array(
202	'taxonomy' => 'course-category',
203	'field' => 'name',
204	'terms' => $category_names,
205	'operator' => 'IN',
206	),
207	);
208	}
209	}
210	$a['posts_per_page'] = (int) $a['count'];
211
212	wp_reset_query();
213	$the_query = new \WP_Query( $a );
214
215	// Load the renderer now.
216	ob_start();
217
218	if ( $the_query->have_posts() ) {
219	tutor_load_template(
220	'archive-course-init',
221	array(
222	'course_filter' => isset( $atts['course_filter'] ) && $atts['course_filter'] == 'on',
223	'supported_filters' => tutor_utils()->get_option( 'supported_course_filters', array() ),
224	'loop_content_only' => false,
225	'column_per_row' => isset( $atts['column_per_row'] ) ? $atts['column_per_row'] : null,
226	'course_per_page' => $a['posts_per_page'],
227	'show_pagination' => isset( $atts['show_pagination'] ) && $atts['show_pagination'] == 'on',
228	'the_query' => $the_query,
229	)
230	);
231	} else {
232	tutor_utils()->tutor_empty_state( tutor_utils()->not_found_text() );
233	}
234
235	$output = ob_get_clean();
236	wp_reset_postdata();
237	return $output;
238	}
239
240	/**
241	* Prepare instructor list
242	*
243	* @param string $current_page current page.
244	* @param mixed $atts atts for query.
245	* @param array $cat_ids category ids.
246	* @param string $keyword search keyword.
247	*
248	* @return array
249	*/
250	private function prepare_instructor_list( $current_page, $atts, $cat_ids = array(), $keyword = '' ) {
251
252	$default_pagination = tutor_utils()->get_option( 'pagination_per_page', 9 );
253	$limit = (int) sanitize_text_field( tutor_utils()->array_get( 'count', $atts, $default_pagination ) );
254	$page = $current_page - 1;
255	$rating_filter = Input::post( 'rating_filter', '' );
256
257	/**
258	* Sort by Relevant \| New \| Popular
259	*
260	* @since 2.0.0
261	*/
262	$short_by = Input::post( 'short_by', 'ASC' );
263
264	$instructors = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter );
265	$instructors_count = tutor_utils()->get_instructors( $limit * $page, $limit, $keyword, '', '', $short_by, 'approved', $cat_ids, $rating_filter, true );
266
267	$layout = sanitize_text_field( tutor_utils()->array_get( 'layout', $atts, '' ) );
268	$layout = in_array( $layout, $this->instructor_layout ) ? $layout : tutor_utils()->get_option( 'instructor_list_layout', $this->instructor_layout[0] );
269	$default_col = tutor_utils()->get_option( 'courses_col_per_row', 3 );
270
271	$payload = array(
272	'instructors' => is_array( $instructors ) ? $instructors : array(),
273	'instructors_count' => $instructors_count,
274	'column_count' => sanitize_text_field( tutor_utils()->array_get( 'column_per_row', $atts, $default_col ) ),
275	'layout' => $layout,
276	'limit' => $limit,
277	'current_page' => $current_page,
278	'filter' => $atts,
279	);
280
281	return $payload;
282	}
283
284	/**
285	* Short code for getting instructors
286	*
287	* @param array $atts array of attrs.
288	*
289	* @return string
290	*/
291	public function tutor_instructor_list( $atts ) {
292	global $wpdb;
293	! is_array( $atts ) ? $atts = array() : 0;
294
295	$current_page = (int) tutor_utils()->array_get( 'instructor-page', $_GET, 1 );
296	$current_page = Input::get( 'instructor-page', 1, Input::TYPE_INT );
297	$current_page = $current_page >= 1 ? $current_page : 1;
298
299	$show_filter = isset( $atts['filter'] ) ? 'on' === $atts['filter'] : tutor_utils()->get_option( 'instructor_list_show_filter', false );
300	$atts['show_filter'] = $show_filter;
301
302	// Get instructor list to sow.
303	$payload = $this->prepare_instructor_list( $current_page, $atts );
304	$payload['show_filter'] = $show_filter;
305
306	ob_start();
307	tutor_load_template( 'shortcode.tutor-instructor', $payload );
308	$content = ob_get_clean();
309
310	if ( $show_filter ) {
311	$limit = 8;
312	$course_taxonomy = 'course-category';
313	$course_cats = $wpdb->get_results(
314	$wpdb->prepare(
315	"SELECT
316	*
317	FROM {$wpdb->terms} AS term
318
319	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
320	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
321
322	ORDER BY term.term_id DESC
323	LIMIT %d
324	",
325	$course_taxonomy,
326	$limit
327	)
328	);
329
330	$all_cats = $wpdb->get_var(
331	$wpdb->prepare(
332	"SELECT
333	COUNT(*) as total
334	FROM {$wpdb->terms} AS term
335	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
336	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
337	ORDER BY term.term_id DESC
338	",
339	$course_taxonomy
340	)
341	);
342
343	$attributes = $payload;
344	unset( $attributes['instructors'] );
345
346	$payload = array(
347	'show_filter' => $show_filter,
348	'content' => $content,
349	'categories' => $course_cats,
350	'all_cats' => $all_cats,
351	'attributes' => array_merge( $atts, $attributes ),
352	);
353
354	ob_start();
355
356	tutor_load_template( 'shortcode.instructor-filter', $payload );
357
358	$content = ob_get_clean();
359	}
360
361	return $content;
362	}
363
364	/**
365	* Load more categories
366	* handle ajax request
367	*
368	* @since 2.0.0
369	*
370	* @return void send wp_json response
371	*/
372	public function show_more() {
373	global $wpdb;
374	tutor_utils()->checking_nonce();
375	$term_id = Input::post( 'term_id', 0, Input::TYPE_INT );
376	$limit = 8;
377	$course_taxonomy = 'course-category';
378
379	$remaining_categories = $wpdb->get_var(
380	$wpdb->prepare(
381	"SElECT
382	COUNT(*) AS total
383	FROM {$wpdb->terms} AS term
384	INNER JOIN {$wpdb->term_taxonomy} AS taxonomy
385	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
386	WHERE term.term_id < %d
387	ORDER BY term.term_id DESC
388	",
389	$course_taxonomy,
390	$term_id
391	)
392	);
393
394	$add_categories = $wpdb->get_results(
395	$wpdb->prepare(
396	"SElECT
397	*
398	FROM {$wpdb->terms} term
399	INNER JOIN {$wpdb->term_taxonomy} as taxonomy
400	ON taxonomy.term_id = term.term_id AND taxonomy.taxonomy = %s
401	WHERE term.term_id < %d
402	ORDER BY term.term_id DESC
403	LIMIT %d
404	",
405	$course_taxonomy,
406	$term_id,
407	$limit
408	)
409	);
410	$show_more = false;
411	if ( $remaining_categories > $limit ) {
412	$show_more = true;
413	}
414	$response = array(
415	'categories' => $add_categories,
416	'show_more' => $show_more,
417	'remaining' => $remaining_categories,
418	);
419	wp_send_json_success( $response );
420	exit;
421	}
422
423	/**
424	* Filter instructor
425	*
426	* @since 1.0.0
427	*
428	* @return void send wp_json response
429	*/
430	public function load_filtered_instructor() {
431	tutor_utils()->checking_nonce();
432
433	// phpcs:disable WordPress.Security.NonceVerification.Missing --nonce already verified
434	$_post = tutor_sanitize_data( $_POST );
435	$current_page = (int) sanitize_text_field( tutor_utils()->array_get( 'current_page', $_post, 1 ) );
436	$keyword = (string) sanitize_text_field( tutor_utils()->array_get( 'keyword', $_post, '' ) );
437
438	$category = (array) tutor_utils()->array_get( 'category', $_post, array() );
439	$category = array_filter(
440	$category,
441	function( $cat ) {
442	return is_numeric( $cat );
443	}
444	);
445
446	$data = $this->prepare_instructor_list( $current_page, $_post, $category, $keyword );
447
448	ob_start();
449	tutor_load_template( 'shortcode.tutor-instructor', $data );
450	wp_send_json_success( array( 'html' => ob_get_clean() ) );
451	exit;
452	}
453
454	/**
455	* Show layout selection dashboard in instructor setting
456	*
457	* @since 1.0.0
458	*
459	* @return void
460	*/
461	public function tutor_instructor_layout() {
462	tutor_load_template( 'instructor-setting', array( 'templates' => $this->instructor_layout ) );
463	}
464	}
465