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* Start implementing class for installing WooCommerce Hosted Services * Add WooCommerce Services JITM for US and Canada-based merchants. * Remove check for testing class. * Remove “Hello World” notice. * Hook up “Install WooCommerce Services” button. * Add WooCommerce-specific JITM emblem. * Add a nonce to the WC Services install link, use “safe” redirect method after install. * Show an error message if the WooCommerce Services install fails, change entry hook to `admin_init`. * Don’t open a new tab when installing WooCommerce Services from JITM. * Remove usage of `filter_input()` in favor of the `$_GET` super global. * Ensure that JITMs are only shown to users who can install plugins. * Add a truthy return to WC Services installation method. * Prune unnecessary variable usage. * No need to explicitly call Jetpack::do_stats(). * Use the singleton pattern to allow for easier unit testing. Move hook attachment to constructor. * Use a switch statement for WC Services JITM country detection, allowing for easier addition of future target markets. * Explicitly base the post-install redirect on the referring URL. * Update WooCommerce Services plugin slug for install and activation. * Add PHPDoc comments to WooCommerce Services installer class.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| <?php | ||
|
|
||
| if ( ! defined( 'ABSPATH' ) ) { | ||
| exit; | ||
| } | ||
|
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| class WC_Services_Installer { | ||
|
|
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| /** | ||
| * @var WC_Services_Installer | ||
| **/ | ||
| private static $instance = null; | ||
|
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| static function init() { | ||
| if ( is_null( self::$instance ) ) { | ||
| self::$instance = new WC_Services_Installer(); | ||
| } | ||
| return self::$instance; | ||
| } | ||
|
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| public function __construct() { | ||
| add_action( 'admin_init', array( $this, 'add_error_notice' ) ); | ||
| add_action( 'admin_init', array( $this, 'try_install' ) ); | ||
| } | ||
|
|
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| /** | ||
| * Verify the intent to install WooCommerce Services, and kick off installation. | ||
| */ | ||
| public function try_install() { | ||
| if ( isset( $_GET['wc-services-action'] ) && ( 'install' === $_GET['wc-services-action'] ) ) { | ||
| check_admin_referer( 'wc-services-install' ); | ||
|
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| if ( ! current_user_can( 'install_plugins' ) ) { | ||
| return; | ||
| } | ||
|
|
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| $result = $this->install(); | ||
| $redirect = wp_get_referer(); | ||
|
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| if ( false === $result ) { | ||
| $redirect = add_query_arg( 'wc-services-install-error', true, $redirect ); | ||
| } | ||
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| wp_safe_redirect( $redirect ); | ||
|
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| exit; | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * 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' ) ); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * 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 | ||
| } | ||
|
|
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| /** | ||
| * Download, install, and activate the WooCommerce Services plugin. | ||
| * | ||
| * @return bool result of installation/activation | ||
| */ | ||
| 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' ); | ||
|
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| $api = plugins_api( 'plugin_information', array( 'slug' => 'woocommerce-services' ) ); | ||
|
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| if ( is_wp_error( $api ) ) { | ||
| return false; | ||
| } | ||
|
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| $upgrader = new Plugin_Upgrader( new Automatic_Upgrader_Skin() ); | ||
| $result = $upgrader->install( $api->download_link ); | ||
|
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| if ( true !== $result ) { | ||
| return false; | ||
| } | ||
|
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| $result = activate_plugin( 'woocommerce-services/woocommerce-services.php' ); | ||
|
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| // activate_plugin() returns null on success | ||
| return is_null( $result ); | ||
| } | ||
| } | ||
|
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| WC_Services_Installer::init(); |
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