wp-ultimate-post-grid / includes / public / class-wpupg-grid-manager.php

class-wpupg-grid-manager.php in WP Ultimate Post Grid 4.1.1, at includes/public/class-wpupg-grid-manager.php

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1	<?php
2	/**
3	* Responsible for returning grids.
4	*
5	* @link https://bootstrapped.ventures
6	* @since 3.0.0
7	*
8	* @package WP_Ultimate_Post_Grid
9	* @subpackage WP_Ultimate_Post_Grid/includes/public
10	*/
11
12	/**
13	* Responsible for returning grids.
14	*
15	* @since 3.0.0
16	* @package WP_Ultimate_Post_Grid
17	* @subpackage WP_Ultimate_Post_Grid/includes/public
18	* @author Brecht Vandersmissen <brecht@bootstrapped.ventures>
19	*/
20	class WPUPG_Grid_Manager {
21
22	/**
23	* Grids that have already been requested for easy subsequent access.
24	*
25	* @since 3.0.0
26	* @access private
27	* @var array $grids Array containing grids that have already been requested for easy access.
28	*/
29	private static $grids = array();
30
31	/**
32	* Slugs that have already been requested for easy subsequent access.
33	*
34	* @since 3.0.0
35	* @access private
36	* @var array $slugs Array containing slugs that have already been requested for easy access.
37	*/
38	private static $slugs = array();
39
40	/**
41	* Get all grid IDs.
42	*
43	* @since 3.0.0
44	*/
45	public static function get_grid_ids() {
46	$args = array(
47	'post_type' => WPUPG_POST_TYPE,
48	'post_status' => 'any',
49	'nopaging' => true,
50	'fields' => 'ids',
51	);
52
53	$query = new WP_Query( $args );
54
55	return $query->posts;
56	}
57
58	/**
59	* Get grids with their filters.
60	*
61	* @since 3.0.0
62	*/
63	public static function get_grids() {
64	$grids = array();
65
66	$args = array(
67	'post_type' => WPUPG_POST_TYPE,
68	'post_status' => 'any',
69	'orderby' => 'date',
70	'order' => 'DESC',
71	'posts_per_page' => -1,
72	'offset' => 0,
73	);
74
75	$query = new WP_Query( $args );
76
77	if ( $query->have_posts() ) {
78	$posts = $query->posts;
79
80	foreach ( $posts as $post ) {
81	$slug = $post->post_name;
82	$grids[] = array(
83	'id' => $post->ID,
84	'name' => $post->post_title,
85	'slug' => $slug ? $slug : $post->ID,
86	);
87	}
88	}
89
90	return $grids;
91	}
92
93	/**
94	* Get grid object by ID.
95	*
96	* @since 3.0.0
97	* @param mixed $slug_id_post Slug, ID or Post Object for the grid we want.
98	*/
99	public static function get_grid( $slug_id_or_post ) {
100	if ( is_object( $slug_id_or_post ) && $slug_id_or_post instanceof WP_Post ) {
101	$post = $slug_id_or_post;
102	$grid_id = $post->ID;
103	} else {
104	// Check if it's a slug.
105	$post = false;
106	$grid_id = self::get_grid_id_from_slug( $slug_id_or_post );
107
108	if ( ! $grid_id ) {
109	$grid_id = intval( $slug_id_or_post );
110	}
111	}
112
113	// Only get new grid object if it hasn't been retrieved before.
114	if ( ! array_key_exists( $grid_id, self::$grids ) ) {
115	if ( ! $post ) {
116	$post = get_post( $grid_id );
117	}
118
119	if ( $post instanceof WP_Post && WPUPG_POST_TYPE === $post->post_type ) {
120	$grid = new WPUPG_Grid( $post );
121	} else {
122	$grid = false;
123	}
124
125	self::$grids[ $grid_id ] = $grid;
126	}
127
128	return self::$grids[ $grid_id ];
129	}
130
131	/**
132	* Get grid ID by its slug.
133	*
134	* @since 3.0.0
135	* @param mixed $slug Slug of the grid we want.
136	*/
137	public static function get_grid_id_from_slug( $slug ) {
138	if ( ! array_key_exists( $slug, self::$slugs ) ) {
139	$post = get_page_by_path( $slug, OBJECT, WPUPG_POST_TYPE );
140
141	if ( ! is_null( $post ) ) {
142	$grid_id = $post->ID;
143	} else {
144	$grid_id = false;
145	}
146
147	self::$slugs[ $slug ] = $grid_id;
148	}
149
150	return self::$slugs[ $slug ];
151	}
152
153	/**
154	* Invalidate cached grid.
155	*
156	* @since 3.0.0
157	* @param int $grid_id ID of the grid to invalidate.
158	*/
159	public static function invalidate_grid( $grid_id ) {
160	if ( array_key_exists( $grid_id, self::$grids ) ) {
161	unset( self::$grids[ $grid_id ] );
162	}
163	}
164	}