class-external-permalinks.php — Admin and Site Enhancements (ASE) 7.3.0

admin-site-enhancements / classes / class-external-permalinks.php

admin-site-enhancements / classes Last commit date

class-external-permalinks.php

148 lines

1	<?php
2
3	namespace ASENHA\Classes;
4
5	/**
6	* Class for External Permalinks module
7	*
8	* @since 6.9.5
9	*/
10	class External_Permalinks {
11
12	/**
13	* Add external permalink meta box for enabled post types
14	*
15	* @since 3.9.0
16	*/
17	public function add_external_permalink_meta_box( $post_type, $post ) {
18
19	$options = get_option( ASENHA_SLUG_U, array() );
20	$enable_external_permalinks_for = $options['enable_external_permalinks_for'];
21
22	foreach ( $enable_external_permalinks_for as $post_type_slug => $is_external_permalink_enabled ) {
23	if ( ( get_post_type() == $post_type_slug ) && $is_external_permalink_enabled ) {
24
25	// Skip adding meta box for post types where Gutenberg is enabled
26	// if (
27	// function_exists( 'use_block_editor_for_post_type' )
28	// && use_block_editor_for_post_type( $post_type_slug )
29	// ) {
30	// continue; // go to the beginning of next iteration
31	// }
32
33	add_meta_box(
34	'asenha-external-permalink', // ID of meta box
35	'External Permalink', // Title of meta box
36	[ $this, 'output_external_permalink_meta_box' ], // Callback function
37	$post_type_slug, // The screen on which the meta box should be output to
38	'normal', // context
39	'high' // priority
40	// array(), // $args to pass to callback function. Ref: https://developer.wordpress.org/reference/functions/add_meta_box/#comment-342
41	);
42
43	}
44	}
45
46	}
47
48	/**
49	* Render External Permalink meta box
50	*
51	* @since 3.9.0
52	*/
53	public function output_external_permalink_meta_box( $post ) {
54	?>
55	<div class="external-permalink-input">
56	<input name="<?php echo esc_attr( 'external_permalink' ); ?>" class="large-text" id="<?php echo esc_attr( 'external_permalink' ); ?>" type="text" value="<?php echo esc_url( get_post_meta( $post->ID, '_links_to', true ) ); ?>" placeholder="https://" />
57	<div class="external-permalink-input-description">Keep empty to use the default WordPress permalink. External permalink will open in a new browser tab.</div>
58	<?php wp_nonce_field( 'external_permalink_' . $post->ID, 'external_permalink_nonce', false, true ); ?>
59	</div>
60	<?php
61	}
62
63	/**
64	* Save external permalink input
65	*
66	* @since 3.9.0
67	*/
68	public function save_external_permalink( $post_id ) {
69
70	// Only proceed if nonce is verified
71	if ( isset( $_POST['external_permalink_nonce'] ) && wp_verify_nonce( $_POST['external_permalink_nonce'], 'external_permalink_' . $post_id ) ) {
72
73	// Get the value of external permalink from input field
74	$external_permalink = isset( $_POST['external_permalink'] ) ? esc_url_raw( trim( $_POST['external_permalink'] ) ) : '';
75
76	// Update or delete external permalink post meta
77	if ( ! empty( $external_permalink ) ) {
78	update_post_meta( $post_id, '_links_to', $external_permalink );
79	} else {
80	delete_post_meta( $post_id, '_links_to' );
81	}
82
83	}
84
85	}
86
87	/**
88	* Change WordPress default permalink into external permalink for pages
89	*
90	* @since 3.9.0
91	*/
92	public function use_external_permalink_for_pages( $permalink, $post_id ) {
93
94	$external_permalink = get_post_meta( $post_id, '_links_to', true );
95
96	if ( ! empty( $external_permalink ) ) {
97	$permalink = $external_permalink;
98	}
99
100	return $permalink;
101
102	}
103
104	/**
105	* Change WordPress default permalink into external permalink for posts and custom post types
106	*
107	* @since 3.9.0
108	*/
109	public function use_external_permalink_for_posts( $permalink, $post ) {
110
111	$external_permalink = get_post_meta( $post->ID, '_links_to', true );
112
113	if ( ! empty( $external_permalink ) ) {
114	$permalink = $external_permalink;
115
116	if ( ! is_admin() ) {
117	$permalink = $permalink . '#new_tab';
118	}
119	}
120
121	return $permalink;
122
123	}
124
125	/**
126	* Redirect page/post to external permalink if it's loaded directly from the WP default permalink
127	*
128	* @since 3.9.0
129	*/
130	public function redirect_to_external_permalink() {
131
132	global $post;
133
134	// If not on/loading the single page/post URL, do nothing
135	if ( ! is_singular() ) {
136	return;
137	}
138
139	$external_permalink = get_post_meta( $post->ID, '_links_to', true );
140
141	if ( ! empty( $external_permalink ) ) {
142	wp_redirect( $external_permalink, 302 ); // temporary redirect
143	exit;
144	}
145
146	}
147
148	}