learnpress / inc / class-lp-course-query.php

class-lp-course-query.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.1, at inc/class-lp-course-query.php

148 lines 3.4 KB

Raw Download Zip

1	<?php
2
3	/**
4	* Class LP_Course_Query
5	*
6	* @version 3.3.0
7	*/
8	class LP_Course_Query extends LP_Object_Query {
9
10	protected $course_query_vars = array();
11
12	/**
13	* LP_Course_Query constructor.
14	*
15	* @param string $query
16	*/
17	public function __construct( $query = '' ) {
18	$limit = LP_Settings::get_option( 'archive_course_limit', 6 );
19	if ( empty( $limit ) ) {
20	$limit = 6;
21	}
22
23	$this->course_query_vars = array(
24	'post_type' => LP_COURSE_CPT,
25	'post_status' => array( 'draft', 'pending', 'private', 'publish' ),
26	'limit' => $limit,
27	'author' => '',
28	);
29
30	parent::__construct( $query );
31	}
32
33	/**
34	* @return array
35	*/
36	protected function get_default_query_vars() {
37	return array_merge(
38	parent::get_default_query_vars(),
39	$this->course_query_vars
40	);
41	}
42
43	/**
44	* Transform our query vars to wp query vars that
45	* can read from db.
46	*
47	* @param array $query_vars
48	*
49	* @return array\|mixed
50	* @since 4.0.0
51	*/
52	public function get_wp_query_vars( $query_vars = array() ) {
53	$query_vars = apply_filters( 'learn-press/course-object-query-args', wp_parse_args( $query_vars, $this->get_query_vars() ) );
54	$map_keys = array(
55	'status' => 'post_status',
56	'page' => 'paged',
57	'include' => 'post__in',
58	'return' => 'fields',
59	'parent' => 'post_parent',
60	'parent_exclude' => 'post_parent__not_in',
61	'exclude' => 'post__not_in',
62	'limit' => 'posts_per_page',
63	'type' => 'post_type',
64	);
65
66	foreach ( $map_keys as $query_key => $db_key ) {
67	if ( isset( $query_vars[ $query_key ] ) ) {
68	$query_vars[ $db_key ] = $query_vars[ $query_key ];
69	unset( $query_vars[ $query_key ] );
70	}
71	}
72
73	$custom_keys = array(
74	'featured' => '',
75	);
76
77	foreach ( $custom_keys as $key => $custom_key ) {
78	if ( isset( $query_vars[ $key ] ) ) {
79	$custom_keys[ $key ] = $query_vars[ $key ];
80	unset( $query_vars[ $key ] );
81	}
82	}
83
84	// Query by post meta
85	if ( ! isset( $query_vars['meta_query'] ) ) {
86	$query_vars['meta_query'] = array();
87	}
88
89	// Featured
90	if ( '' !== $custom_keys['featured'] ) {
91	$featured = $custom_keys['featured'];
92
93	if ( $featured === 'yes' \|\| $featured === 1 \|\| $featured === true \|\| $featured === '1' ) {
94	$query_vars['meta_query'] = array(
95	array(
96	'key' => '_lp_featured',
97	'value' => 'yes',
98	'compare' => '=',
99	),
100	);
101	} else {
102	$query_vars['meta_query'] = array(
103	array(
104	'key' => '_lp_featured',
105	'value' => 'yes',
106	'compare' => '!=',
107	),
108	);
109	}
110	}
111
112	return apply_filters( 'learn-press/course-object-wp-query-args', $query_vars );
113	}
114
115	/**
116	* Applies our query vars to read courses.
117	*
118	* @return array\|mixed
119	* @since 4.0.0
120	*/
121	public function get_courses() {
122	global $wpdb;
123	$query_vars = $this->get_wp_query_vars();
124
125	$query = new WP_Query( $query_vars );
126
127	$courses = $query->posts;
128
129	if ( isset( $query_vars['return'] ) && 'objects' === $query_vars['return'] ) {
130	$courses = array_filter( array_map( 'learn_press_get_course', $courses ) );
131	}
132
133	if ( isset( $query_vars['paginate'] ) && $query_vars['paginate'] ) {
134	$courses = (object) array(
135	'courses' => $courses,
136	'total' => $query->found_posts,
137	'max_num_pages' => $query->max_num_pages,
138	);
139	}
140
141	return apply_filters( 'learn-press/course-object-query', $courses, $query_vars );
142	}
143	}
144
145	// Backward compatibility
146	class LP_Query_Course extends LP_Course_Query {
147	}
148