Viewing file:  class-kkart-helper.php (51.19 KB) -rw-r--r--
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<?php
/**
* Kkart Admin Helper
*
* @package Kkart\Admin\Helper
*/
use Automattic\Jetpack\Constants;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* KKART_Helper Class
*
* The main entry-point for all things related to the Helper.
*/
class KKART_Helper {
/**
* A log object returned by kkart_get_logger().
*
* @var $log
*/
public static $log;
/**
* Get an absolute path to the requested helper view.
*
* @param string $view The requested view file.
*
* @return string The absolute path to the view file.
*/
public static function get_view_filename( $view ) {
return dirname( __FILE__ ) . "/views/$view";
}
/**
* Loads the helper class, runs on init.
*/
public static function load() {
self::includes();
add_action( 'current_screen', array( __CLASS__, 'current_screen' ) );
add_action( 'kkart_helper_output', array( __CLASS__, 'render_helper_output' ) );
add_action( 'admin_enqueue_scripts', array( __CLASS__, 'admin_enqueue_scripts' ) );
add_action( 'admin_notices', array( __CLASS__, 'admin_notices' ) );
do_action( 'kkart_helper_loaded' );
}
/**
* Include supporting helper classes.
*/
protected static function includes() {
include_once dirname( __FILE__ ) . '/class-kkart-helper-options.php';
include_once dirname( __FILE__ ) . '/class-kkart-helper-api.php';
include_once dirname( __FILE__ ) . '/class-kkart-helper-updater.php';
include_once dirname( __FILE__ ) . '/class-kkart-helper-plugin-info.php';
include_once dirname( __FILE__ ) . '/class-kkart-helper-compat.php';
}
/**
* Render the helper section content based on context.
*/
public static function render_helper_output() {
$auth = KKART_Helper_Options::get( 'auth' );
$auth_user_data = KKART_Helper_Options::get( 'auth_user_data' );
// Return success/error notices.
$notices = self::_get_return_notices();
// No active connection.
if ( empty( $auth['access_token'] ) ) {
$connect_url = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'kkart-helper-connect' => 1,
'kkart-helper-nonce' => wp_create_nonce( 'connect' ),
),
admin_url( 'admin.php' )
);
include self::get_view_filename( 'html-oauth-start.php' );
return;
}
$disconnect_url = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'kkart-helper-disconnect' => 1,
'kkart-helper-nonce' => wp_create_nonce( 'disconnect' ),
),
admin_url( 'admin.php' )
);
$current_filter = self::get_current_filter();
$refresh_url = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => $current_filter,
'kkart-helper-refresh' => 1,
'kkart-helper-nonce' => wp_create_nonce( 'refresh' ),
),
admin_url( 'admin.php' )
);
// Installed plugins and themes, with or without an active subscription.
$woo_plugins = self::get_local_woo_plugins();
$woo_themes = self::get_local_woo_themes();
$site_id = absint( $auth['site_id'] );
$subscriptions = self::get_subscriptions();
$updates = KKART_Helper_Updater::get_update_data();
$subscriptions_product_ids = wp_list_pluck( $subscriptions, 'product_id' );
foreach ( $subscriptions as &$subscription ) {
$subscription['active'] = in_array( $site_id, $subscription['connections'] );
$subscription['activate_url'] = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => $current_filter,
'kkart-helper-activate' => 1,
'kkart-helper-product-key' => $subscription['product_key'],
'kkart-helper-product-id' => $subscription['product_id'],
'kkart-helper-nonce' => wp_create_nonce( 'activate:' . $subscription['product_key'] ),
),
admin_url( 'admin.php' )
);
$subscription['deactivate_url'] = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => $current_filter,
'kkart-helper-deactivate' => 1,
'kkart-helper-product-key' => $subscription['product_key'],
'kkart-helper-product-id' => $subscription['product_id'],
'kkart-helper-nonce' => wp_create_nonce( 'deactivate:' . $subscription['product_key'] ),
),
admin_url( 'admin.php' )
);
$subscription['local'] = array(
'installed' => false,
'active' => false,
'version' => null,
);
$subscription['update_url'] = admin_url( 'update-core.php' );
$local = wp_list_filter( array_merge( $woo_plugins, $woo_themes ), array( '_product_id' => $subscription['product_id'] ) );
if ( ! empty( $local ) ) {
$local = array_shift( $local );
$subscription['local']['installed'] = true;
$subscription['local']['version'] = $local['Version'];
if ( 'plugin' == $local['_type'] ) {
if ( is_plugin_active( $local['_filename'] ) ) {
$subscription['local']['active'] = true;
} elseif ( is_multisite() && is_plugin_active_for_network( $local['_filename'] ) ) {
$subscription['local']['active'] = true;
}
// A magic update_url.
$subscription['update_url'] = wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $local['_filename'], 'upgrade-plugin_' . $local['_filename'] );
} elseif ( 'theme' == $local['_type'] ) {
if ( in_array( $local['_stylesheet'], array( get_stylesheet(), get_template() ) ) ) {
$subscription['local']['active'] = true;
}
// Another magic update_url.
$subscription['update_url'] = wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' . $local['_stylesheet'] ), 'upgrade-theme_' . $local['_stylesheet'] );
}
}
$subscription['has_update'] = false;
if ( $subscription['local']['installed'] && ! empty( $updates[ $subscription['product_id'] ] ) ) {
$subscription['has_update'] = version_compare( $updates[ $subscription['product_id'] ]['version'], $subscription['local']['version'], '>' );
}
$subscription['download_primary'] = true;
$subscription['download_url'] = 'https://kkart.com/my-account/downloads/';
if ( ! $subscription['local']['installed'] && ! empty( $updates[ $subscription['product_id'] ] ) ) {
$subscription['download_url'] = $updates[ $subscription['product_id'] ]['package'];
}
$subscription['actions'] = array();
if ( $subscription['has_update'] && ! $subscription['expired'] ) {
$action = array(
/* translators: %s: version number */
'message' => sprintf( __( 'Version %s is <strong>available</strong>.', 'kkart' ), esc_html( $updates[ $subscription['product_id'] ]['version'] ) ),
'button_label' => __( 'Update', 'kkart' ),
'button_url' => $subscription['update_url'],
'status' => 'update-available',
'icon' => 'dashicons-update',
);
// Subscription is not active on this site.
if ( ! $subscription['active'] ) {
$action['message'] .= ' ' . __( 'To enable this update you need to <strong>activate</strong> this subscription.', 'kkart' );
$action['button_label'] = null;
$action['button_url'] = null;
}
$subscription['actions'][] = $action;
}
if ( $subscription['has_update'] && $subscription['expired'] ) {
$action = array(
/* translators: %s: version number */
'message' => sprintf( __( 'Version %s is <strong>available</strong>.', 'kkart' ), esc_html( $updates[ $subscription['product_id'] ]['version'] ) ),
'status' => 'expired',
'icon' => 'dashicons-info',
);
$action['message'] .= ' ' . __( 'To enable this update you need to <strong>purchase</strong> a new subscription.', 'kkart' );
$action['button_label'] = __( 'Purchase', 'kkart' );
$action['button_url'] = $subscription['product_url'];
$subscription['actions'][] = $action;
} elseif ( $subscription['expired'] && ! empty( $subscription['master_user_email'] ) ) {
$action = array(
'message' => sprintf( __( 'This subscription has expired. Contact the owner to <strong>renew</strong> the subscription to receive updates and support.', 'kkart' ) ),
'status' => 'expired',
'icon' => 'dashicons-info',
);
$subscription['actions'][] = $action;
} elseif ( $subscription['expired'] ) {
$action = array(
'message' => sprintf( __( 'This subscription has expired. Please <strong>renew</strong> to receive updates and support.', 'kkart' ) ),
'button_label' => __( 'Renew', 'kkart' ),
'button_url' => 'https://kkart.com/my-account/my-subscriptions/',
'status' => 'expired',
'icon' => 'dashicons-info',
);
$subscription['actions'][] = $action;
}
if ( $subscription['expiring'] && ! $subscription['autorenew'] ) {
$action = array(
'message' => __( 'Subscription is <strong>expiring</strong> soon.', 'kkart' ),
'button_label' => __( 'Enable auto-renew', 'kkart' ),
'button_url' => 'https://kkart.com/my-account/my-subscriptions/',
'status' => 'expired',
'icon' => 'dashicons-info',
);
$subscription['download_primary'] = false;
$subscription['actions'][] = $action;
} elseif ( $subscription['expiring'] ) {
$action = array(
'message' => sprintf( __( 'This subscription is expiring soon. Please <strong>renew</strong> to continue receiving updates and support.', 'kkart' ) ),
'button_label' => __( 'Renew', 'kkart' ),
'button_url' => 'https://kkart.com/my-account/my-subscriptions/',
'status' => 'expired',
'icon' => 'dashicons-info',
);
$subscription['download_primary'] = false;
$subscription['actions'][] = $action;
}
// Mark the first action primary.
foreach ( $subscription['actions'] as $key => $action ) {
if ( ! empty( $action['button_label'] ) ) {
$subscription['actions'][ $key ]['primary'] = true;
break;
}
}
}
// Break the by-ref.
unset( $subscription );
// Installed products without a subscription.
$no_subscriptions = array();
foreach ( array_merge( $woo_plugins, $woo_themes ) as $filename => $data ) {
if ( in_array( $data['_product_id'], $subscriptions_product_ids ) ) {
continue;
}
$data['_product_url'] = '#';
$data['_has_update'] = false;
if ( ! empty( $updates[ $data['_product_id'] ] ) ) {
$data['_has_update'] = version_compare( $updates[ $data['_product_id'] ]['version'], $data['Version'], '>' );
if ( ! empty( $updates[ $data['_product_id'] ]['url'] ) ) {
$data['_product_url'] = $updates[ $data['_product_id'] ]['url'];
} elseif ( ! empty( $data['PluginURI'] ) ) {
$data['_product_url'] = $data['PluginURI'];
}
}
$data['_actions'] = array();
if ( $data['_has_update'] ) {
$action = array(
/* translators: %s: version number */
'message' => sprintf( __( 'Version %s is <strong>available</strong>. To enable this update you need to <strong>purchase</strong> a new subscription.', 'kkart' ), esc_html( $updates[ $data['_product_id'] ]['version'] ) ),
'button_label' => __( 'Purchase', 'kkart' ),
'button_url' => $data['_product_url'],
'status' => 'expired',
'icon' => 'dashicons-info',
);
$data['_actions'][] = $action;
} else {
$action = array(
/* translators: 1: subscriptions docs 2: subscriptions docs */
'message' => sprintf( __( 'To receive updates and support for this extension, you need to <strong>purchase</strong> a new subscription or consolidate your extensions to one connected account by <strong><a href="%1$s" title="Sharing Docs">sharing</a> or <a href="%2$s" title="Transferring Docs">transferring</a></strong> this extension to this connected account.', 'kkart' ), 'https://docs.kkart.com/document/managing-kkart-com-subscriptions/#section-10', 'https://docs.kkart.com/document/managing-kkart-com-subscriptions/#section-5' ),
'button_label' => __( 'Purchase', 'kkart' ),
'button_url' => $data['_product_url'],
'status' => 'expired',
'icon' => 'dashicons-info',
);
$data['_actions'][] = $action;
}
$no_subscriptions[ $filename ] = $data;
}
// Update the user id if it came from a migrated connection.
if ( empty( $auth['user_id'] ) ) {
$auth['user_id'] = get_current_user_id();
KKART_Helper_Options::update( 'auth', $auth );
}
// Sort alphabetically.
uasort( $subscriptions, array( __CLASS__, '_sort_by_product_name' ) );
uasort( $no_subscriptions, array( __CLASS__, '_sort_by_name' ) );
// Filters.
self::get_filters_counts( $subscriptions ); // Warm it up.
self::_filter( $subscriptions, self::get_current_filter() );
// We have an active connection.
include self::get_view_filename( 'html-main.php' );
return;
}
/**
* Get available subscriptions filters.
*
* @return array An array of filter keys and labels.
*/
public static function get_filters() {
$filters = array(
'all' => __( 'All', 'kkart' ),
'active' => __( 'Active', 'kkart' ),
'inactive' => __( 'Inactive', 'kkart' ),
'installed' => __( 'Installed', 'kkart' ),
'update-available' => __( 'Update Available', 'kkart' ),
'expiring' => __( 'Expiring Soon', 'kkart' ),
'expired' => __( 'Expired', 'kkart' ),
'download' => __( 'Download', 'kkart' ),
);
return $filters;
}
/**
* Get counts data for the filters array.
*
* @param array $subscriptions The array of all available subscriptions.
*
* @return array Filter counts (filter => count).
*/
public static function get_filters_counts( $subscriptions = null ) {
static $filters;
if ( isset( $filters ) ) {
return $filters;
}
$filters = array_fill_keys( array_keys( self::get_filters() ), 0 );
if ( empty( $subscriptions ) ) {
return array();
}
foreach ( $filters as $key => $count ) {
$_subs = $subscriptions;
self::_filter( $_subs, $key );
$filters[ $key ] = count( $_subs );
}
return $filters;
}
/**
* Get current filter.
*
* @return string The current filter.
*/
public static function get_current_filter() {
$current_filter = 'all';
$valid_filters = array_keys( self::get_filters() );
if ( ! empty( $_GET['filter'] ) && in_array( wp_unslash( $_GET['filter'] ), $valid_filters ) ) {
$current_filter = kkart_clean( wp_unslash( $_GET['filter'] ) );
}
return $current_filter;
}
/**
* Filter an array of subscriptions by $filter.
*
* @param array $subscriptions The subscriptions array, passed by ref.
* @param string $filter The filter.
*/
private static function _filter( &$subscriptions, $filter ) {
switch ( $filter ) {
case 'active':
$subscriptions = wp_list_filter( $subscriptions, array( 'active' => true ) );
break;
case 'inactive':
$subscriptions = wp_list_filter( $subscriptions, array( 'active' => false ) );
break;
case 'installed':
foreach ( $subscriptions as $key => $subscription ) {
if ( empty( $subscription['local']['installed'] ) ) {
unset( $subscriptions[ $key ] );
}
}
break;
case 'update-available':
$subscriptions = wp_list_filter( $subscriptions, array( 'has_update' => true ) );
break;
case 'expiring':
$subscriptions = wp_list_filter( $subscriptions, array( 'expiring' => true ) );
break;
case 'expired':
$subscriptions = wp_list_filter( $subscriptions, array( 'expired' => true ) );
break;
case 'download':
foreach ( $subscriptions as $key => $subscription ) {
if ( $subscription['local']['installed'] || $subscription['expired'] ) {
unset( $subscriptions[ $key ] );
}
}
break;
}
}
/**
* Enqueue admin scripts and styles.
*/
public static function admin_enqueue_scripts() {
$screen = get_current_screen();
$screen_id = $screen ? $screen->id : '';
$kkart_screen_id = KKART_SCREEN_PREFIX;
if ( $kkart_screen_id . '_page_kkart-addons' === $screen_id && isset( $_GET['section'] ) && 'helper' === $_GET['section'] ) {
wp_enqueue_style( 'kkart-helper', KKART()->plugin_url() . '/assets/css/helper.css', array(), Constants::get_constant( 'KKART_VERSION' ) );
wp_style_add_data( 'kkart-helper', 'rtl', 'replace' );
}
}
/**
* Various success/error notices.
*
* Runs during admin page render, so no headers/redirects here.
*
* @return array Array pairs of message/type strings with notices.
*/
private static function _get_return_notices() {
$return_status = isset( $_GET['kkart-helper-status'] ) ? kkart_clean( wp_unslash( $_GET['kkart-helper-status'] ) ) : null;
$notices = array();
switch ( $return_status ) {
case 'activate-success':
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$subscription = self::_get_subscriptions_from_product_id( $product_id );
$notices[] = array(
'type' => 'updated',
'message' => sprintf(
/* translators: %s: product name */
__( '%s activated successfully. You will now receive updates for this product.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
),
);
break;
case 'activate-error':
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$subscription = self::_get_subscriptions_from_product_id( $product_id );
$notices[] = array(
'type' => 'error',
'message' => sprintf(
/* translators: %s: product name */
__( 'An error has occurred when activating %s. Please try again later.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
),
);
break;
case 'deactivate-success':
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$subscription = self::_get_subscriptions_from_product_id( $product_id );
$local = self::_get_local_from_product_id( $product_id );
$message = sprintf(
/* translators: %s: product name */
__( 'Subscription for %s deactivated successfully. You will no longer receive updates for this product.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
);
if ( $local && is_plugin_active( $local['_filename'] ) && current_user_can( 'activate_plugins' ) ) {
$deactivate_plugin_url = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => self::get_current_filter(),
'kkart-helper-deactivate-plugin' => 1,
'kkart-helper-product-id' => $subscription['product_id'],
'kkart-helper-nonce' => wp_create_nonce( 'deactivate-plugin:' . $subscription['product_id'] ),
),
admin_url( 'admin.php' )
);
$message = sprintf(
/* translators: %1$s: product name, %2$s: deactivate url */
__( 'Subscription for %1$s deactivated successfully. You will no longer receive updates for this product. <a href="%2$s">Click here</a> if you wish to deactivate the plugin as well.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>',
esc_url( $deactivate_plugin_url )
);
}
$notices[] = array(
'message' => $message,
'type' => 'updated',
);
break;
case 'deactivate-error':
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$subscription = self::_get_subscriptions_from_product_id( $product_id );
$notices[] = array(
'type' => 'error',
'message' => sprintf(
/* translators: %s: product name */
__( 'An error has occurred when deactivating the subscription for %s. Please try again later.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
),
);
break;
case 'deactivate-plugin-success':
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$subscription = self::_get_subscriptions_from_product_id( $product_id );
$notices[] = array(
'type' => 'updated',
'message' => sprintf(
/* translators: %s: product name */
__( 'The extension %s has been deactivated successfully.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
),
);
break;
case 'deactivate-plugin-error':
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$subscription = self::_get_subscriptions_from_product_id( $product_id );
$notices[] = array(
'type' => 'error',
'message' => sprintf(
/* translators: %1$s: product name, %2$s: plugins screen url */
__( 'An error has occurred when deactivating the extension %1$s. Please proceed to the <a href="%2$s">Plugins screen</a> to deactivate it manually.', 'kkart' ),
'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>',
admin_url( 'plugins.php' )
),
);
break;
case 'helper-connected':
$notices[] = array(
'message' => __( 'You have successfully connected your store to Kkart.com', 'kkart' ),
'type' => 'updated',
);
break;
case 'helper-disconnected':
$notices[] = array(
'message' => __( 'You have successfully disconnected your store from Kkart.com', 'kkart' ),
'type' => 'updated',
);
break;
case 'helper-refreshed':
$notices[] = array(
'message' => __( 'Authentication and subscription caches refreshed successfully.', 'kkart' ),
'type' => 'updated',
);
break;
}
return $notices;
}
/**
* Various early-phase actions with possible redirects.
*
* @param object $screen WP screen object.
*/
public static function current_screen( $screen ) {
$kkart_screen_id = KKART_SCREEN_PREFIX;
if ( $kkart_screen_id . '_page_kkart-addons' !== $screen->id ) {
return;
}
if ( empty( $_GET['section'] ) || 'helper' !== $_GET['section'] ) {
return;
}
if ( ! empty( $_GET['kkart-helper-connect'] ) ) {
return self::_helper_auth_connect();
}
if ( ! empty( $_GET['kkart-helper-return'] ) ) {
return self::_helper_auth_return();
}
if ( ! empty( $_GET['kkart-helper-disconnect'] ) ) {
return self::_helper_auth_disconnect();
}
if ( ! empty( $_GET['kkart-helper-refresh'] ) ) {
return self::_helper_auth_refresh();
}
if ( ! empty( $_GET['kkart-helper-activate'] ) ) {
return self::_helper_subscription_activate();
}
if ( ! empty( $_GET['kkart-helper-deactivate'] ) ) {
return self::_helper_subscription_deactivate();
}
if ( ! empty( $_GET['kkart-helper-deactivate-plugin'] ) ) {
return self::_helper_plugin_deactivate();
}
}
/**
* Initiate a new OAuth connection.
*/
private static function _helper_auth_connect() {
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'connect' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_auth_connect' );
wp_die( 'Could not verify nonce' );
}
$redirect_uri = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'kkart-helper-return' => 1,
'kkart-helper-nonce' => wp_create_nonce( 'connect' ),
),
admin_url( 'admin.php' )
);
$request = KKART_Helper_API::post(
'oauth/request_token',
array(
'body' => array(
'home_url' => home_url(),
'redirect_uri' => $redirect_uri,
),
)
);
$code = wp_remote_retrieve_response_code( $request );
if ( 200 !== $code ) {
self::log( sprintf( 'Call to oauth/request_token returned a non-200 response code (%d)', $code ) );
wp_die( 'Something went wrong' );
}
$secret = json_decode( wp_remote_retrieve_body( $request ) );
if ( empty( $secret ) ) {
self::log( sprintf( 'Call to oauth/request_token returned an invalid body: %s', wp_remote_retrieve_body( $request ) ) );
wp_die( 'Something went wrong' );
}
/**
* Fires when the Helper connection process is initiated.
*/
do_action( 'kkart_helper_connect_start' );
$connect_url = add_query_arg(
array(
'home_url' => rawurlencode( home_url() ),
'redirect_uri' => rawurlencode( $redirect_uri ),
'secret' => rawurlencode( $secret ),
),
KKART_Helper_API::url( 'oauth/authorize' )
);
wp_redirect( esc_url_raw( $connect_url ) );
die();
}
/**
* Return from Kkart.com OAuth flow.
*/
private static function _helper_auth_return() {
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'connect' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_auth_return' );
wp_die( 'Something went wrong' );
}
// Bail if the user clicked deny.
if ( ! empty( $_GET['deny'] ) ) {
/**
* Fires when the Helper connection process is denied/cancelled.
*/
do_action( 'kkart_helper_denied' );
wp_safe_redirect( admin_url( 'admin.php?page=kkart-addons§ion=helper' ) );
die();
}
// We do need a request token...
if ( empty( $_GET['request_token'] ) ) {
self::log( 'Request token not found in _helper_auth_return' );
wp_die( 'Something went wrong' );
}
// Obtain an access token.
$request = KKART_Helper_API::post(
'oauth/access_token',
array(
'body' => array(
'request_token' => wp_unslash( $_GET['request_token'] ), // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
'home_url' => home_url(),
),
)
);
$code = wp_remote_retrieve_response_code( $request );
if ( 200 !== $code ) {
self::log( sprintf( 'Call to oauth/access_token returned a non-200 response code (%d)', $code ) );
wp_die( 'Something went wrong' );
}
$access_token = json_decode( wp_remote_retrieve_body( $request ), true );
if ( ! $access_token ) {
self::log( sprintf( 'Call to oauth/access_token returned an invalid body: %s', wp_remote_retrieve_body( $request ) ) );
wp_die( 'Something went wrong' );
}
KKART_Helper_Options::update(
'auth',
array(
'access_token' => $access_token['access_token'],
'access_token_secret' => $access_token['access_token_secret'],
'site_id' => $access_token['site_id'],
'user_id' => get_current_user_id(),
'updated' => time(),
)
);
// Obtain the connected user info.
if ( ! self::_flush_authentication_cache() ) {
self::log( 'Could not obtain connected user info in _helper_auth_return' );
KKART_Helper_Options::update( 'auth', array() );
wp_die( 'Something went wrong.' );
}
self::_flush_subscriptions_cache();
self::_flush_updates_cache();
/**
* Fires when the Helper connection process has completed successfully.
*/
do_action( 'kkart_helper_connected' );
// Enable tracking when connected.
if ( class_exists( 'KKART_Tracker' ) ) {
update_option( 'kkart_allow_tracking', 'yes' );
KKART_Tracker::send_tracking_data( true );
}
// If connecting through in-app purchase, redirects back to Kkart.com
// for product installation.
if ( ! empty( $_GET['wccom-install-url'] ) ) {
wp_redirect( wp_unslash( $_GET['wccom-install-url'] ) );
exit;
}
wp_safe_redirect(
add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'kkart-helper-status' => 'helper-connected',
),
admin_url( 'admin.php' )
)
);
die();
}
/**
* Disconnect from Kkart.com, clear OAuth tokens.
*/
private static function _helper_auth_disconnect() {
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'disconnect' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_auth_disconnect' );
wp_die( 'Could not verify nonce' );
}
/**
* Fires when the Helper has been disconnected.
*/
do_action( 'kkart_helper_disconnected' );
$redirect_uri = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'kkart-helper-status' => 'helper-disconnected',
),
admin_url( 'admin.php' )
);
KKART_Helper_API::post(
'oauth/invalidate_token',
array(
'authenticated' => true,
)
);
KKART_Helper_Options::update( 'auth', array() );
KKART_Helper_Options::update( 'auth_user_data', array() );
self::_flush_subscriptions_cache();
self::_flush_updates_cache();
wp_safe_redirect( $redirect_uri );
die();
}
/**
* User hit the Refresh button, clear all caches.
*/
private static function _helper_auth_refresh() {
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'refresh' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_auth_refresh' );
wp_die( 'Could not verify nonce' );
}
/**
* Fires when Helper subscriptions are refreshed.
*/
do_action( 'kkart_helper_subscriptions_refresh' );
$redirect_uri = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => self::get_current_filter(),
'kkart-helper-status' => 'helper-refreshed',
),
admin_url( 'admin.php' )
);
self::_flush_authentication_cache();
self::_flush_subscriptions_cache();
self::_flush_updates_cache();
wp_safe_redirect( $redirect_uri );
die();
}
/**
* Active a product subscription.
*/
private static function _helper_subscription_activate() {
$product_key = isset( $_GET['kkart-helper-product-key'] ) ? kkart_clean( wp_unslash( $_GET['kkart-helper-product-key'] ) ) : '';
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'activate:' . $product_key ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_subscription_activate' );
wp_die( 'Could not verify nonce' );
}
// Activate subscription.
$activation_response = KKART_Helper_API::post(
'activate',
array(
'authenticated' => true,
'body' => wp_json_encode(
array(
'product_key' => $product_key,
)
),
)
);
$activated = wp_remote_retrieve_response_code( $activation_response ) === 200;
$body = json_decode( wp_remote_retrieve_body( $activation_response ), true );
if ( ! $activated && ! empty( $body['code'] ) && 'already_connected' === $body['code'] ) {
$activated = true;
}
if ( $activated ) {
/**
* Fires when the Helper activates a product successfully.
*
* @param int $product_id Product ID being activated.
* @param string $product_key Subscription product key.
* @param array $activation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_activate_success', $product_id, $product_key, $activation_response );
} else {
/**
* Fires when the Helper fails to activate a product.
*
* @param int $product_id Product ID being activated.
* @param string $product_key Subscription product key.
* @param array $activation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_activate_error', $product_id, $product_key, $activation_response );
}
// Attempt to activate this plugin.
$local = self::_get_local_from_product_id( $product_id );
if ( $local && 'plugin' == $local['_type'] && current_user_can( 'activate_plugins' ) && ! is_plugin_active( $local['_filename'] ) ) {
activate_plugin( $local['_filename'] );
}
self::_flush_subscriptions_cache();
self::_flush_updates_cache();
$redirect_uri = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => self::get_current_filter(),
'kkart-helper-status' => $activated ? 'activate-success' : 'activate-error',
'kkart-helper-product-id' => $product_id,
),
admin_url( 'admin.php' )
);
wp_safe_redirect( $redirect_uri );
die();
}
/**
* Deactivate a product subscription.
*/
private static function _helper_subscription_deactivate() {
$product_key = isset( $_GET['kkart-helper-product-key'] ) ? kkart_clean( wp_unslash( $_GET['kkart-helper-product-key'] ) ) : '';
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'deactivate:' . $product_key ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_subscription_deactivate' );
wp_die( 'Could not verify nonce' );
}
$deactivation_response = KKART_Helper_API::post(
'deactivate',
array(
'authenticated' => true,
'body' => wp_json_encode(
array(
'product_key' => $product_key,
)
),
)
);
$code = wp_remote_retrieve_response_code( $deactivation_response );
$deactivated = 200 === $code;
if ( $deactivated ) {
/**
* Fires when the Helper activates a product successfully.
*
* @param int $product_id Product ID being deactivated.
* @param string $product_key Subscription product key.
* @param array $deactivation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_deactivate_success', $product_id, $product_key, $deactivation_response );
} else {
self::log( sprintf( 'Deactivate API call returned a non-200 response code (%d)', $code ) );
/**
* Fires when the Helper fails to activate a product.
*
* @param int $product_id Product ID being deactivated.
* @param string $product_key Subscription product key.
* @param array $deactivation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_deactivate_error', $product_id, $product_key, $deactivation_response );
}
self::_flush_subscriptions_cache();
$redirect_uri = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => self::get_current_filter(),
'kkart-helper-status' => $deactivated ? 'deactivate-success' : 'deactivate-error',
'kkart-helper-product-id' => $product_id,
),
admin_url( 'admin.php' )
);
wp_safe_redirect( $redirect_uri );
die();
}
/**
* Deactivate a plugin.
*/
private static function _helper_plugin_deactivate() {
$product_id = isset( $_GET['kkart-helper-product-id'] ) ? absint( $_GET['kkart-helper-product-id'] ) : 0;
$deactivated = false;
if ( empty( $_GET['kkart-helper-nonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['kkart-helper-nonce'] ), 'deactivate-plugin:' . $product_id ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
self::log( 'Could not verify nonce in _helper_plugin_deactivate' );
wp_die( 'Could not verify nonce' );
}
if ( ! current_user_can( 'activate_plugins' ) ) {
wp_die( 'You are not allowed to manage plugins on this site.' );
}
$local = wp_list_filter(
array_merge(
self::get_local_woo_plugins(),
self::get_local_woo_themes()
),
array( '_product_id' => $product_id )
);
// Attempt to deactivate this plugin or theme.
if ( ! empty( $local ) ) {
$local = array_shift( $local );
if ( is_plugin_active( $local['_filename'] ) ) {
deactivate_plugins( $local['_filename'] );
}
$deactivated = ! is_plugin_active( $local['_filename'] );
}
$redirect_uri = add_query_arg(
array(
'page' => 'kkart-addons',
'section' => 'helper',
'filter' => self::get_current_filter(),
'kkart-helper-status' => $deactivated ? 'deactivate-plugin-success' : 'deactivate-plugin-error',
'kkart-helper-product-id' => $product_id,
),
admin_url( 'admin.php' )
);
wp_safe_redirect( $redirect_uri );
die();
}
/**
* Get a local plugin/theme entry from product_id.
*
* @param int $product_id The product id.
*
* @return array|bool The array containing the local plugin/theme data or false.
*/
private static function _get_local_from_product_id( $product_id ) {
$local = wp_list_filter(
array_merge(
self::get_local_woo_plugins(),
self::get_local_woo_themes()
),
array( '_product_id' => $product_id )
);
if ( ! empty( $local ) ) {
return array_shift( $local );
}
return false;
}
/**
* Checks whether current site has product subscription of a given ID.
*
* @since 3.7.0
*
* @param int $product_id The product id.
*
* @return bool Returns true if product subscription exists, false otherwise.
*/
public static function has_product_subscription( $product_id ) {
$subscription = self::_get_subscriptions_from_product_id( $product_id, true );
return ! empty( $subscription );
}
/**
* Get a subscription entry from product_id. If multiple subscriptions are
* found with the same product id and $single is set to true, will return the
* first one in the list, so you can use this method to get things like extension
* name, version, etc.
*
* @param int $product_id The product id.
* @param bool $single Whether to return a single subscription or all matching a product id.
*
* @return array|bool The array containing sub data or false.
*/
private static function _get_subscriptions_from_product_id( $product_id, $single = true ) {
$subscriptions = wp_list_filter( self::get_subscriptions(), array( 'product_id' => $product_id ) );
if ( ! empty( $subscriptions ) ) {
return $single ? array_shift( $subscriptions ) : $subscriptions;
}
return false;
}
/**
* Obtain a list of data about locally installed Woo extensions.
*/
public static function get_local_woo_plugins() {
if ( ! function_exists( 'get_plugins' ) ) {
require_once KKART_ADMIN_DIR . 'includes/plugin.php';
}
$plugins = get_plugins();
/**
* Check if plugins have KKART headers, if not then clear cache and fetch again.
* KKART Headers will not be present if `kkart_enable_kkart_plugin_headers` hook was added after a `get_plugins` call -- for example when KKART is activated/updated.
* Also, get_plugins call is expensive so we should clear this cache very conservatively.
*/
if ( ! empty( $plugins ) && ! array_key_exists( 'Woo', current( $plugins ) ) ) {
wp_clean_plugins_cache( false );
$plugins = get_plugins();
}
$woo_plugins = array();
// Backwards compatibility for woothemes_queue_update().
$_compat = array();
if ( ! empty( $GLOBALS['woothemes_queued_updates'] ) ) {
foreach ( $GLOBALS['woothemes_queued_updates'] as $_compat_plugin ) {
$_compat[ $_compat_plugin->file ] = array(
'product_id' => $_compat_plugin->product_id,
'file_id' => $_compat_plugin->file_id,
);
}
}
foreach ( $plugins as $filename => $data ) {
if ( empty( $data['Woo'] ) && ! empty( $_compat[ $filename ] ) ) {
$data['Woo'] = sprintf( '%d:%s', $_compat[ $filename ]['product_id'], $_compat[ $filename ]['file_id'] );
}
if ( empty( $data['Woo'] ) ) {
continue;
}
list( $product_id, $file_id ) = explode( ':', $data['Woo'] );
if ( empty( $product_id ) || empty( $file_id ) ) {
continue;
}
$data['_filename'] = $filename;
$data['_product_id'] = absint( $product_id );
$data['_file_id'] = $file_id;
$data['_type'] = 'plugin';
$data['slug'] = dirname( $filename );
$woo_plugins[ $filename ] = $data;
}
return $woo_plugins;
}
/**
* Get locally installed Woo themes.
*/
public static function get_local_woo_themes() {
$themes = wp_get_themes();
$woo_themes = array();
foreach ( $themes as $theme ) {
$header = $theme->get( 'Woo' );
// Backwards compatibility for theme_info.txt.
if ( ! $header ) {
$txt = $theme->get_stylesheet_directory() . '/theme_info.txt';
if ( is_readable( $txt ) ) {
$txt = file_get_contents( $txt );
$txt = preg_split( '#\s#', $txt );
if ( count( $txt ) >= 2 ) {
$header = sprintf( '%d:%s', $txt[0], $txt[1] );
}
}
}
if ( empty( $header ) ) {
continue;
}
list( $product_id, $file_id ) = explode( ':', $header );
if ( empty( $product_id ) || empty( $file_id ) ) {
continue;
}
$data = array(
'Name' => $theme->get( 'Name' ),
'Version' => $theme->get( 'Version' ),
'Woo' => $header,
'_filename' => $theme->get_stylesheet() . '/style.css',
'_stylesheet' => $theme->get_stylesheet(),
'_product_id' => absint( $product_id ),
'_file_id' => $file_id,
'_type' => 'theme',
);
$woo_themes[ $data['_filename'] ] = $data;
}
return $woo_themes;
}
/**
* Get the connected user's subscriptions.
*
* @return array
*/
public static function get_subscriptions() {
$cache_key = '_kkart_helper_subscriptions';
$data = get_transient( $cache_key );
if ( false !== $data ) {
return $data;
}
// Obtain the connected user info.
$request = KKART_Helper_API::get(
'subscriptions',
array(
'authenticated' => true,
)
);
if ( wp_remote_retrieve_response_code( $request ) !== 200 ) {
set_transient( $cache_key, array(), 15 * MINUTE_IN_SECONDS );
return array();
}
$data = json_decode( wp_remote_retrieve_body( $request ), true );
if ( empty( $data ) || ! is_array( $data ) ) {
$data = array();
}
set_transient( $cache_key, $data, 1 * HOUR_IN_SECONDS );
return $data;
}
/**
* Runs when any plugin is activated.
*
* Depending on the activated plugin attempts to look through available
* subscriptions and auto-activate one if possible, so the user does not
* need to visit the Helper UI at all after installing a new extension.
*
* @param string $filename The filename of the activated plugin.
*/
public static function activated_plugin( $filename ) {
$plugins = self::get_local_woo_plugins();
// Not a local woo plugin.
if ( empty( $plugins[ $filename ] ) ) {
return;
}
// Make sure we have a connection.
$auth = KKART_Helper_Options::get( 'auth' );
if ( empty( $auth ) ) {
return;
}
$plugin = $plugins[ $filename ];
$product_id = $plugin['_product_id'];
$subscriptions = self::_get_subscriptions_from_product_id( $product_id, false );
// No valid subscriptions for this product.
if ( empty( $subscriptions ) ) {
return;
}
$subscription = null;
foreach ( $subscriptions as $_sub ) {
// Don't attempt to activate expired subscriptions.
if ( $_sub['expired'] ) {
continue;
}
// No more sites available in this subscription.
if ( $_sub['sites_max'] && $_sub['sites_active'] >= $_sub['sites_max'] ) {
continue;
}
// Looks good.
$subscription = $_sub;
break;
}
// No valid subscription found.
if ( ! $subscription ) {
return;
}
$product_key = $subscription['product_key'];
$activation_response = KKART_Helper_API::post(
'activate',
array(
'authenticated' => true,
'body' => wp_json_encode(
array(
'product_key' => $product_key,
)
),
)
);
$activated = wp_remote_retrieve_response_code( $activation_response ) === 200;
$body = json_decode( wp_remote_retrieve_body( $activation_response ), true );
if ( ! $activated && ! empty( $body['code'] ) && 'already_connected' === $body['code'] ) {
$activated = true;
}
if ( $activated ) {
self::log( 'Auto-activated a subscription for ' . $filename );
/**
* Fires when the Helper activates a product successfully.
*
* @param int $product_id Product ID being activated.
* @param string $product_key Subscription product key.
* @param array $activation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_activate_success', $product_id, $product_key, $activation_response );
} else {
self::log( 'Could not activate a subscription upon plugin activation: ' . $filename );
/**
* Fires when the Helper fails to activate a product.
*
* @param int $product_id Product ID being activated.
* @param string $product_key Subscription product key.
* @param array $activation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_activate_error', $product_id, $product_key, $activation_response );
}
self::_flush_subscriptions_cache();
self::_flush_updates_cache();
}
/**
* Runs when any plugin is deactivated.
*
* When a user deactivates a plugin, attempt to deactivate any subscriptions
* associated with the extension.
*
* @param string $filename The filename of the deactivated plugin.
*/
public static function deactivated_plugin( $filename ) {
$plugins = self::get_local_woo_plugins();
// Not a local woo plugin.
if ( empty( $plugins[ $filename ] ) ) {
return;
}
// Make sure we have a connection.
$auth = KKART_Helper_Options::get( 'auth' );
if ( empty( $auth ) ) {
return;
}
$plugin = $plugins[ $filename ];
$product_id = $plugin['_product_id'];
$subscriptions = self::_get_subscriptions_from_product_id( $product_id, false );
$site_id = absint( $auth['site_id'] );
// No valid subscriptions for this product.
if ( empty( $subscriptions ) ) {
return;
}
$deactivated = 0;
foreach ( $subscriptions as $subscription ) {
// Don't touch subscriptions that aren't activated on this site.
if ( ! in_array( $site_id, $subscription['connections'], true ) ) {
continue;
}
$product_key = $subscription['product_key'];
$deactivation_response = KKART_Helper_API::post(
'deactivate',
array(
'authenticated' => true,
'body' => wp_json_encode(
array(
'product_key' => $product_key,
)
),
)
);
if ( wp_remote_retrieve_response_code( $deactivation_response ) === 200 ) {
$deactivated++;
/**
* Fires when the Helper activates a product successfully.
*
* @param int $product_id Product ID being deactivated.
* @param string $product_key Subscription product key.
* @param array $deactivation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_deactivate_success', $product_id, $product_key, $deactivation_response );
} else {
/**
* Fires when the Helper fails to activate a product.
*
* @param int $product_id Product ID being deactivated.
* @param string $product_key Subscription product key.
* @param array $deactivation_response The response object from wp_safe_remote_request().
*/
do_action( 'kkart_helper_subscription_deactivate_error', $product_id, $product_key, $deactivation_response );
}
}
if ( $deactivated ) {
self::log( sprintf( 'Auto-deactivated %d subscription(s) for %s', $deactivated, $filename ) );
self::_flush_subscriptions_cache();
self::_flush_updates_cache();
}
}
/**
* Various Helper-related admin notices.
*/
public static function admin_notices() {
if ( apply_filters( 'kkart_helper_suppress_admin_notices', false ) ) {
return;
}
$screen = get_current_screen();
$screen_id = $screen ? $screen->id : '';
if ( 'update-core' !== $screen_id ) {
return;
}
// Don't nag if Woo doesn't have an update available.
if ( ! self::_woo_core_update_available() ) {
return;
}
// Add a note about available extension updates if Woo core has an update available.
$notice = self::_get_extensions_update_notice();
if ( ! empty( $notice ) ) {
echo '<div class="updated kkart-message"><p>' . $notice . '</p></div>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
}
/**
* Get an update notice if one or more Woo extensions has an update available.
*
* @return string|null The update notice or null if everything is up to date.
*/
private static function _get_extensions_update_notice() {
$plugins = self::get_local_woo_plugins();
$updates = KKART_Helper_Updater::get_update_data();
$available = 0;
foreach ( $plugins as $data ) {
if ( empty( $updates[ $data['_product_id'] ] ) ) {
continue;
}
$product_id = $data['_product_id'];
if ( version_compare( $updates[ $product_id ]['version'], $data['Version'], '>' ) ) {
$available++;
}
}
if ( ! $available ) {
return;
}
return sprintf(
/* translators: %1$s: helper url, %2$d: number of extensions */
_n( 'Note: You currently have <a href="%1$s">%2$d paid extension</a> which should be updated first before updating Kkart.', 'Note: You currently have <a href="%1$s">%2$d paid extensions</a> which should be updated first before updating Kkart.', $available, 'kkart' ),
admin_url( 'admin.php?page=kkart-addons§ion=helper' ),
$available
);
}
/**
* Whether Kkart has an update available.
*
* @return bool True if a Woo core update is available.
*/
private static function _woo_core_update_available() {
$updates = get_site_transient( 'update_plugins' );
if ( empty( $updates->response ) ) {
return false;
}
if ( empty( $updates->response['kkart/kkart.php'] ) ) {
return false;
}
$data = $updates->response['kkart/kkart.php'];
if ( version_compare( Constants::get_constant( 'KKART_VERSION' ), $data->new_version, '>=' ) ) {
return false;
}
return true;
}
/**
* Flush subscriptions cache.
*/
public static function _flush_subscriptions_cache() {
delete_transient( '_kkart_helper_subscriptions' );
}
/**
* Flush auth cache.
*/
public static function _flush_authentication_cache() {
$request = KKART_Helper_API::get(
'oauth/me',
array(
'authenticated' => true,
)
);
if ( wp_remote_retrieve_response_code( $request ) !== 200 ) {
return false;
}
$user_data = json_decode( wp_remote_retrieve_body( $request ), true );
if ( ! $user_data ) {
return false;
}
KKART_Helper_Options::update(
'auth_user_data',
array(
'name' => $user_data['name'],
'email' => $user_data['email'],
)
);
return true;
}
/**
* Flush updates cache.
*/
private static function _flush_updates_cache() {
KKART_Helper_Updater::flush_updates_cache();
}
/**
* Sort subscriptions by the product_name.
*
* @param array $a Subscription array.
* @param array $b Subscription array.
*
* @return int
*/
public static function _sort_by_product_name( $a, $b ) {
return strcmp( $a['product_name'], $b['product_name'] );
}
/**
* Sort subscriptions by the Name.
*
* @param array $a Product array.
* @param array $b Product array.
*
* @return int
*/
public static function _sort_by_name( $a, $b ) {
return strcmp( $a['Name'], $b['Name'] );
}
/**
* Log a helper event.
*
* @param string $message Log message.
* @param string $level Optional, defaults to info, valid levels: emergency|alert|critical|error|warning|notice|info|debug.
*/
public static function log( $message, $level = 'info' ) {
if ( ! Constants::is_true( 'WP_DEBUG' ) ) {
return;
}
if ( ! isset( self::$log ) ) {
self::$log = kkart_get_logger();
}
self::$log->log( $level, $message, array( 'source' => 'helper' ) );
}
}
KKART_Helper::load();
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