double-opt-in / src / EmailTemplates / EmailTemplatePostType.php

EmailTemplatePostType.php in Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification 5.5.0, at src/EmailTemplates/EmailTemplatePostType.php

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1	<?php
2	/**
3	* Email Template Custom Post Type
4	*
5	* @package Forge12\DoubleOptIn\EmailTemplates
6	* @since 4.0.0
7	*/
8
9	namespace Forge12\DoubleOptIn\EmailTemplates;
10
11	if ( ! defined( 'ABSPATH' ) ) {
12	exit;
13	}
14
15	/**
16	* Class EmailTemplatePostType
17	*
18	* Registers and manages the doi_email_template custom post type.
19	*/
20	class EmailTemplatePostType {
21
22	/**
23	* Post type slug.
24	*/
25	const POST_TYPE = 'doi_email_template';
26
27	/**
28	* Meta key for blocks JSON.
29	*/
30	const META_BLOCKS_JSON = '_doi_blocks_json';
31
32	/**
33	* Meta key for global styles.
34	*/
35	const META_GLOBAL_STYLES = '_doi_global_styles';
36
37	/**
38	* Meta key for thumbnail.
39	*/
40	const META_THUMBNAIL = '_doi_thumbnail';
41
42	/**
43	* Initialize the custom post type.
44	*
45	* @return void
46	*/
47	public function init(): void {
48	add_action( 'init', array( $this, 'register' ) );
49	add_action( 'init', array( $this, 'registerMeta' ) );
50	}
51
52	/**
53	* Register the custom post type.
54	*
55	* @return void
56	*/
57	public function register(): void {
58	$labels = array(
59	'name' => _x( 'Email Templates', 'Post type general name', 'double-opt-in' ),
60	'singular_name' => _x( 'Email Template', 'Post type singular name', 'double-opt-in' ),
61	'menu_name' => _x( 'Email Templates', 'Admin Menu text', 'double-opt-in' ),
62	'name_admin_bar' => _x( 'Email Template', 'Add New on Toolbar', 'double-opt-in' ),
63	'add_new' => __( 'Add New', 'double-opt-in' ),
64	'add_new_item' => __( 'Add New Email Template', 'double-opt-in' ),
65	'new_item' => __( 'New Email Template', 'double-opt-in' ),
66	'edit_item' => __( 'Edit Email Template', 'double-opt-in' ),
67	'view_item' => __( 'View Email Template', 'double-opt-in' ),
68	'all_items' => __( 'All Email Templates', 'double-opt-in' ),
69	'search_items' => __( 'Search Email Templates', 'double-opt-in' ),
70	'parent_item_colon' => __( 'Parent Email Templates:', 'double-opt-in' ),
71	'not_found' => __( 'No email templates found.', 'double-opt-in' ),
72	'not_found_in_trash' => __( 'No email templates found in Trash.', 'double-opt-in' ),
73	'featured_image' => _x( 'Email Template Cover Image', 'Overrides the "Featured Image" phrase', 'double-opt-in' ),
74	'set_featured_image' => _x( 'Set cover image', 'Overrides the "Set featured image" phrase', 'double-opt-in' ),
75	'remove_featured_image' => _x( 'Remove cover image', 'Overrides the "Remove featured image" phrase', 'double-opt-in' ),
76	'use_featured_image' => _x( 'Use as cover image', 'Overrides the "Use as featured image" phrase', 'double-opt-in' ),
77	'archives' => _x( 'Email Template archives', 'The post type archive label', 'double-opt-in' ),
78	'insert_into_item' => _x( 'Insert into email template', 'Overrides the "Insert into post" phrase', 'double-opt-in' ),
79	'uploaded_to_this_item' => _x( 'Uploaded to this email template', 'Overrides the "Uploaded to this post" phrase', 'double-opt-in' ),
80	'filter_items_list' => _x( 'Filter email templates list', 'Screen reader text', 'double-opt-in' ),
81	'items_list_navigation' => _x( 'Email templates list navigation', 'Screen reader text', 'double-opt-in' ),
82	'items_list' => _x( 'Email templates list', 'Screen reader text', 'double-opt-in' ),
83	);
84
85	$args = array(
86	'labels' => $labels,
87	'public' => false,
88	'publicly_queryable' => false,
89	'show_ui' => false, // We use custom UI
90	'show_in_menu' => false,
91	'query_var' => false,
92	'rewrite' => false,
93	'capability_type' => 'post',
94	'has_archive' => false,
95	'hierarchical' => false,
96	'menu_position' => null,
97	'supports' => array( 'title' ),
98	'show_in_rest' => true,
99	'rest_base' => 'doi-email-templates',
100	'rest_controller_class' => 'WP_REST_Posts_Controller',
101	);
102
103	register_post_type( self::POST_TYPE, $args );
104	}
105
106	/**
107	* Register post meta fields.
108	*
109	* @return void
110	*/
111	public function registerMeta(): void {
112	register_post_meta(
113	self::POST_TYPE,
114	self::META_BLOCKS_JSON,
115	array(
116	'type' => 'string',
117	'description' => 'Block structure as JSON',
118	'single' => true,
119	'show_in_rest' => true,
120	'sanitize_callback' => array( self::class, 'sanitizeJson' ),
121	'auth_callback' => function () {
122	return current_user_can( 'manage_options' );
123	},
124	)
125	);
126
127	register_post_meta(
128	self::POST_TYPE,
129	self::META_GLOBAL_STYLES,
130	array(
131	'type' => 'string',
132	'description' => 'Global styles (fonts, colors)',
133	'single' => true,
134	'show_in_rest' => true,
135	'sanitize_callback' => array( self::class, 'sanitizeJson' ),
136	'auth_callback' => function () {
137	return current_user_can( 'manage_options' );
138	},
139	)
140	);
141
142	register_post_meta(
143	self::POST_TYPE,
144	self::META_THUMBNAIL,
145	array(
146	'type' => 'string',
147	'description' => 'Preview thumbnail (Base64 or URL)',
148	'single' => true,
149	'show_in_rest' => true,
150	'sanitize_callback' => 'sanitize_text_field',
151	'auth_callback' => function () {
152	return current_user_can( 'manage_options' );
153	},
154	)
155	);
156	}
157
158	/**
159	* Sanitize JSON input.
160	*
161	* @param string $value The value to sanitize.
162	* @return string Sanitized JSON string.
163	*/
164	public static function sanitizeJson( $value ): string {
165	if ( empty( $value ) ) {
166	return '';
167	}
168
169	// If it's already a valid JSON string, return it as-is
170	// We trust the input since it comes from our own code
171	$decoded = json_decode( $value, true );
172	if ( json_last_error() === JSON_ERROR_NONE ) {
173	// Valid JSON - return the original to preserve formatting
174	return $value;
175	}
176
177	// Invalid JSON — return empty.
178	return '';
179	}
180	}
181