cartflows / admin-legacy-loader.php

admin-legacy-loader.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 3.3.0, at admin-legacy-loader.php

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1	<?php
2	/**
3	* CartFlows Legacy Admin Loader.
4	*
5	* Bootstraps the pre-3.0 admin UI (preserved under admin-legacy-core/) when
6	* the user has opted into the legacy interface via the cartflows-legacy-admin
7	* option. Mirrors admin-loader.php but binds CARTFLOWS_ADMIN_CORE_DIR/URL to
8	* the admin-legacy-core/ directory and registers the legacy Wizard.
9	*
10	* @package CartFlows
11	*/
12
13	namespace CartflowsAdmin;
14
15	use CartflowsAdmin\AdminLegacyCore\Api\ApiInit;
16	use CartflowsAdmin\AdminLegacyCore\Ajax\AjaxInit;
17	use CartflowsAdmin\AdminLegacyCore\Inc\AdminMenu;
18	use CartflowsAdmin\AdminLegacyCore\Inc\StoreCheckout;
19	use CartflowsAdmin\Wizard\Inc\WizardCore;
20	use CartflowsAdmin\Wizard\Ajax\WizardAjaxInit;
21
22	if ( ! defined( 'ABSPATH' ) ) {
23	exit;
24	}
25
26	/**
27	* Class Admin_Legacy_Loader.
28	*/
29	class Admin_Legacy_Loader {
30
31	/**
32	* Instance
33	*
34	* @var object
35	*/
36	private static $instance;
37
38	/**
39	* Initiator
40	*
41	* @return object
42	*/
43	public static function get_instance() {
44	if ( ! isset( self::$instance ) ) {
45	self::$instance = new self();
46	}
47	return self::$instance;
48	}
49
50	/**
51	* Autoload classes — kebab-cases the FQN under CartflowsAdmin\* and resolves
52	* it to a file path relative to CARTFLOWS_DIR. Identical mapping as
53	* admin-loader.php so AdminLegacyCore\* resolves to admin-legacy-core/*.
54	*
55	* @param string $class class name.
56	*/
57	public function autoload( $class ) {
58
59	if ( 0 !== strpos( $class, __NAMESPACE__ ) ) {
60	return;
61	}
62
63	if ( ! class_exists( $class ) ) {
64	$filename = strtolower(
65	preg_replace(
66	array( '/^' . __NAMESPACE__ . '\\\/', '/([a-z])([A-Z])/', '/_/', '/\\\/' ),
67	array( '', '$1-$2', '-', DIRECTORY_SEPARATOR ),
68	$class
69	)
70	);
71
72	$file = CARTFLOWS_DIR . $filename . '.php';
73
74	if ( is_readable( $file ) ) {
75	include $file;
76	}
77	}
78	}
79
80	/**
81	* Constructor.
82	*/
83	public function __construct() {
84
85	spl_autoload_register( array( $this, 'autoload' ) );
86
87	$this->define_constants();
88	$this->setup_classes();
89	}
90
91	/**
92	* Define legacy admin core paths. Reuses the same constant names as
93	* admin-loader.php so legacy files require no source changes — only the
94	* resolved path differs.
95	*/
96	public function define_constants() {
97	define( 'CARTFLOWS_ADMIN_CORE_DIR', CARTFLOWS_DIR . 'admin-legacy-core/' );
98	define( 'CARTFLOWS_ADMIN_CORE_URL', CARTFLOWS_URL . 'admin-legacy-core/' );
99	}
100
101	/**
102	* External code (importer, abilities runtime, SureTriggers compat) imports
103	* CartflowsAdmin\AdminCore\Inc\* classes by FQN. Those classes don't exist
104	* in legacy mode — autoload would miss and fatal on first reference. Alias
105	* the legacy classes under the AdminCore FQN so external callers resolve
106	* transparently regardless of which UI is active.
107	*/
108	public function alias_admin_core_classes() {
109
110	$aliases = array(
111	'CartflowsAdmin\\AdminLegacyCore\\Inc\\AdminHelper' => 'CartflowsAdmin\\AdminCore\\Inc\\AdminHelper',
112	'CartflowsAdmin\\AdminLegacyCore\\Inc\\AdminMenu' => 'CartflowsAdmin\\AdminCore\\Inc\\AdminMenu',
113	);
114
115	foreach ( $aliases as $source => $target ) {
116	if ( ! class_exists( $target, false ) ) {
117	class_alias( $source, $target );
118	}
119	}
120	}
121
122	/**
123	* Boot legacy admin classes.
124	*/
125	public function setup_classes() {
126
127	$this->alias_admin_core_classes();
128
129	ApiInit::get_instance();
130
131	if ( is_admin() ) {
132	StoreCheckout::get_instance();
133	AdminMenu::get_instance();
134	AjaxInit::get_instance();
135
136	WizardAjaxInit::get_instance();
137	WizardCore::get_instance();
138	}
139	}
140	}
141
142	Admin_Legacy_Loader::get_instance();
143