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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class WC_Services_Installer {
/**
* @var Jetpack
**/
private $jetpack;
/**
* @var WC_Services_Installer
**/
private static $instance = null;
static function init() {
if ( is_null( self::$instance ) ) {
self::$instance = new WC_Services_Installer();
}
return self::$instance;
}
public function __construct() {
$this->jetpack = Jetpack::init();
add_action( 'admin_init', array( $this, 'add_error_notice' ) );
add_action( 'admin_init', array( $this, 'try_install' ) );
}
/**
* Verify the intent to install WooCommerce Services, and kick off installation.
*/
public function try_install() {
if ( ! isset( $_GET['wc-services-action'] ) ) {
return;
}
check_admin_referer( 'wc-services-install' );
$result = false;
switch ( $_GET['wc-services-action'] ) {
case 'install':
if ( current_user_can( 'install_plugins' ) ) {
$this->jetpack->stat( 'jitm', 'wooservices-install-' . JETPACK__VERSION );
$result = $this->install();
if ( $result ) {
$result = $this->activate();
}
}
break;
case 'activate':
if ( current_user_can( 'activate_plugins' ) ) {
$this->jetpack->stat( 'jitm', 'wooservices-activate-' . JETPACK__VERSION );
$result = $this->activate();
}
break;
}
$redirect = isset( $_GET['redirect'] ) ? admin_url( $_GET['redirect'] ) : wp_get_referer();
if ( $result ) {
$this->jetpack->stat( 'jitm', 'wooservices-activated-' . JETPACK__VERSION );
} else {
$redirect = add_query_arg( 'wc-services-install-error', true, $redirect );
}
wp_safe_redirect( $redirect );
exit;
}
/**
* Set up installation error admin notice.
*/
public function add_error_notice() {
if ( ! empty( $_GET['wc-services-install-error'] ) ) {
add_action( 'admin_notices', array( $this, 'error_notice' ) );
}
}
/**
* Notify the user that the installation of WooCommerce Services failed.
*/
public function error_notice() {
?>
<div class="notice notice-error is-dismissible">
<p><?php _e( 'There was an error installing WooCommerce Services.', 'jetpack' ); ?></p>
</div>
<?php
}
/**
* Download and install the WooCommerce Services plugin.
*
* @return bool result of installation
*/
private function install() {
include_once( ABSPATH . '/wp-admin/includes/admin.php' );
include_once( ABSPATH . '/wp-admin/includes/plugin-install.php' );
include_once( ABSPATH . '/wp-admin/includes/plugin.php' );
include_once( ABSPATH . '/wp-admin/includes/class-wp-upgrader.php' );
include_once( ABSPATH . '/wp-admin/includes/class-plugin-upgrader.php' );
$api = plugins_api( 'plugin_information', array( 'slug' => 'woocommerce-services' ) );
if ( is_wp_error( $api ) ) {
return false;
}
$upgrader = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
$result = $upgrader->install( $api->download_link );
return true === $result;
}
/**
* Activate the WooCommerce Services plugin.
*
* @return bool result of activation
*/
private function activate() {
$result = activate_plugin( 'woocommerce-services/woocommerce-services.php' );
// activate_plugin() returns null on success
return is_null( $result );
}
}
WC_Services_Installer::init();
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