<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\Admin\Suggestions\Incentives;
defined( 'ABSPATH' ) || exit;
use Automattic\WooCommerce\Admin\WCAdminHelper;
use Automattic\WooCommerce\Enums\OrderInternalStatus;
use WC_Abstract_Order;
/**
* WooPayments incentives provider class.
*/
class WooPayments extends Incentive {
/**
* The transient name for incentives cache.
*
* @var string
*/
protected string $cache_transient_name;
/**
* The transient name used to store the value for if store has orders.
*
* @var string
*/
protected string $store_has_orders_transient_name;
/**
* The option name used to store the value for if store had WooPayments in use.
*
* @var string
*/
protected string $store_had_woopayments_option_name;
/**
* The memoized incentives to avoid fetching multiple times during a request.
*
* @var array|null
*/
private ?array $incentives_memo = null;
/**
* Constructor.
*
* @param string $suggestion_id The suggestion ID.
*/
public function __construct( string $suggestion_id ) {
parent::__construct( $suggestion_id );
$this->cache_transient_name = self::PREFIX . $suggestion_id . '_cache';
$this->store_has_orders_transient_name = self::PREFIX . $suggestion_id . '_store_has_orders';
$this->store_had_woopayments_option_name = self::PREFIX . $suggestion_id . '_store_had_woopayments';
}
/**
* Check if an incentive should be visible.
*
* @param string $id The incentive ID to check for visibility.
* @param string $country_code The business location country code to get incentives for.
* @param bool $skip_extension_active_check Whether to skip the check for the extension plugin being active.
*
* @return boolean Whether the incentive should be visible.
*/
public function is_visible( string $id, string $country_code, bool $skip_extension_active_check = false ): bool {
// Always skip the extension active check since we will check bellow.
if ( false === parent::is_visible( $id, $country_code, true ) ) {
return false;
}
// Instead of just extension active, we check if WooPayments is active and has an account.
if ( ! $skip_extension_active_check && $this->is_extension_active() && $this->has_wcpay_account_data() ) {
return false;
}
return true;
}
/**
* Clear the incentives cache.
*/
public function clear_cache() {
delete_transient( $this->cache_transient_name );
$this->reset_memo();
}
/**
* Reset the memoized incentives.
*
* This is useful for testing purposes.
*/
public function reset_memo() {
$this->incentives_memo = null;
}
/**
* Check if the extension plugin is active.
*
* @return boolean Whether the extension plugin is active.
*/
protected function is_extension_active(): bool {
return class_exists( '\WC_Payments' );
}
/**
* Fetches and caches eligible incentives from the WooPayments API.
*
* @param string $country_code The business location country code to get incentives for.
*
* @return array List of eligible incentives.
*/
protected function get_incentives( string $country_code ): array {
if ( isset( $this->incentives_memo ) ) {
return $this->incentives_memo;
}
// Get the cached data.
$cache = get_transient( $this->cache_transient_name );
// If the cached data is not expired, and it's a WP_Error,
// it means there was an API error previously, and we should not retry just yet.
if ( is_wp_error( $cache ) ) {
// Initialize the in-memory cache and return it.
$this->incentives_memo = array();
return $this->incentives_memo;
}
// Gather the store context data.
$store_context = array(
'country' => $country_code,
// Store locale, e.g. `en_US`.
'locale' => get_locale(),
// WooCommerce store active for duration in seconds.
'active_for' => WCAdminHelper::get_wcadmin_active_for_in_seconds(),
'has_orders' => $this->has_orders(),
'has_payments' => $this->has_enabled_payment_gateways(),
'has_wcpay' => $this->has_wcpay(),
);
// Fingerprint the store context through a hash of certain entries.
$store_context_hash = $this->generate_context_hash( $store_context );
// Use the transient cached incentive if it exists, it is not expired,
// and the store context hasn't changed since we last requested from the WooPayments API (based on context hash).
if ( false !== $cache
&& ! empty( $cache['context_hash'] ) && is_string( $cache['context_hash'] )
&& hash_equals( $store_context_hash, $cache['context_hash'] ) ) {
// We have a store context hash, and it matches with the current context one.
// We can use the cached incentive data.
// Store the incentives in the in-memory cache and return them.
$this->incentives_memo = $cache['incentives'] ?? array();
return $this->incentives_memo;
}
// By this point, we have an expired transient or the store context has changed.
// Query for incentives by calling the WooPayments API.
$url = add_query_arg(
$store_context,
'https://public-api.wordpress.com/wpcom/v2/wcpay/incentives',
);
$response = wp_remote_get(
$url,
array(
'user-agent' => 'WooCommerce/' . WC()->version . '; ' . get_bloginfo( 'url' ),
)
);
// Return early if there is an error, waiting 6 hours before the next attempt.
if ( is_wp_error( $response ) ) {
// Store a trimmed down, lightweight error.
$error = new \WP_Error(
$response->get_error_code(),
$response->get_error_message(),
wp_remote_retrieve_response_code( $response )
);
// Store the error in the transient so we know this is due to an API error.
set_transient( $this->cache_transient_name, $error, HOUR_IN_SECONDS * 6 );
// Initialize the in-memory cache and return it.
$this->incentives_memo = array();
return $this->incentives_memo;
}
$cache_for = wp_remote_retrieve_header( $response, 'cache-for' );
// Initialize the in-memory cache.
$this->incentives_memo = array();
if ( 200 === wp_remote_retrieve_response_code( $response ) ) {
// Decode the results, falling back to an empty array.
$results = json_decode( wp_remote_retrieve_body( $response ), true ) ?? array();
// Store incentives in the in-memory cache.
$this->incentives_memo = $results;
}
// Skip transient cache if `cache-for` header equals zero.
if ( '0' === $cache_for ) {
// If we have a transient cache that is not expired, delete it so there are no leftovers.
if ( false !== $cache ) {
delete_transient( $this->cache_transient_name );
}
return $this->incentives_memo;
}
// Store incentive in transient cache (together with the context hash) for the given number of seconds
// or 1 day in seconds. Also attach a timestamp to the transient data so we know when we last fetched.
set_transient(
$this->cache_transient_name,
array(
'incentives' => $this->incentives_memo,
'context_hash' => $store_context_hash,
'timestamp' => time(),
),
! empty( $cache_for ) ? (int) $cache_for : DAY_IN_SECONDS
);
return $this->incentives_memo;
}
/**
* Check if the WooPayments payment gateway is active and set up or was at some point,
* or there are orders processed with it, at some moment.
*
* @return boolean Whether the store has WooPayments.
*/
private function has_wcpay(): bool {
// First, get the stored value, if it exists.
// This way we avoid costly DB queries and API calls.
// Basically, we only want to know if WooPayments was in use in the past.
// Since the past can't be changed, neither can this value.
$had_wcpay = get_option( $this->store_had_woopayments_option_name );
if ( false !== $had_wcpay ) {
return filter_var( $had_wcpay, FILTER_VALIDATE_BOOLEAN );
}
// We need to determine the value.
// Start with the assumption that the store didn't have WooPayments in use.
$had_wcpay = false;
// We consider the store to have WooPayments if there is meaningful account data in the WooPayments account cache.
// This implies that WooPayments was active at some point and that it was connected.
// If WooPayments is active right now, we will not get to this point since the plugin is active check is done first.
if ( $this->has_wcpay_account_data() ) {
$had_wcpay = true;
}
// If there is at least one order processed with WooPayments, we consider the store to have WooPayments.
if ( false === $had_wcpay && ! empty(
wc_get_orders(
array(
'payment_method' => 'woocommerce_payments',
'return' => 'ids',
'limit' => 1,
'orderby' => 'none',
)
)
) ) {
$had_wcpay = true;
}
// Store the value for future use.
update_option( $this->store_had_woopayments_option_name, $had_wcpay ? 'yes' : 'no' );
return $had_wcpay;
}
/**
* Check if there is meaningful data in the WooPayments account cache.
*
* @return boolean
*/
private function has_wcpay_account_data(): bool {
$account_data = get_option( 'wcpay_account_data', array() );
if ( ! empty( $account_data['data']['account_id'] ) ) {
return true;
}
return false;
}
/**
* Check if the store has any paid orders.
*
* Currently, we look at the past 90 days and only consider orders
* with status `wc-completed`, `wc-processing`, or `wc-refunded`.
*
* @return boolean Whether the store has any paid orders.
*/
private function has_orders(): bool {
// First, get the stored value, if it exists.
// This way we avoid costly DB queries and API calls.
$has_orders = get_transient( $this->store_has_orders_transient_name );
if ( false !== $has_orders ) {
return filter_var( $has_orders, FILTER_VALIDATE_BOOLEAN );
}
// We need to determine the value.
// Start with the assumption that the store doesn't have orders in the timeframe we look at.
$has_orders = false;
// By default, we will check for new orders every 6 hours.
$expiration = 6 * HOUR_IN_SECONDS;
// Get the latest completed, processing, or refunded order.
$latest_order = wc_get_orders(
array(
'status' => array( OrderInternalStatus::COMPLETED, OrderInternalStatus::PROCESSING, OrderInternalStatus::REFUNDED ),
'limit' => 1,
'orderby' => 'date',
'order' => 'DESC',
)
);
if ( ! empty( $latest_order ) ) {
$latest_order = reset( $latest_order );
// If the latest order is within the timeframe we look at, we consider the store to have orders.
// Otherwise, it clearly doesn't have orders.
if ( $latest_order instanceof WC_Abstract_Order
&& strtotime( (string) $latest_order->get_date_created() ) >= strtotime( '-90 days' ) ) {
$has_orders = true;
// For ultimate efficiency, we will check again after 90 days from the latest order
// because in all that time we will consider the store to have orders regardless of new orders.
$expiration = strtotime( (string) $latest_order->get_date_created() ) + 90 * DAY_IN_SECONDS - time();
}
}
// Store the value for future use.
set_transient( $this->store_has_orders_transient_name, $has_orders ? 'yes' : 'no', $expiration );
return $has_orders;
}
/**
* Check if the store has at least one enabled payment gateway.
*
* @return boolean Whether the store has any enabled payment gateways.
*/
private function has_enabled_payment_gateways(): bool {
$payment_gateways = WC()->payment_gateways()->payment_gateways;
if ( empty( $payment_gateways ) || ! is_array( $payment_gateways ) ) {
return false;
}
foreach ( $payment_gateways as $payment_gateway ) {
if ( filter_var( $payment_gateway->enabled, FILTER_VALIDATE_BOOLEAN ) ) {
return true;
}
}
return false;
}
/**
* Generate a hash from the store context data.
*
* @param array $context The store context data.
*
* @return string The context hash.
*/
private function generate_context_hash( array $context ): string {
// Include only certain entries in the context hash.
// We need only discrete, user-interaction dependent data.
// Entries like `active_for` have no place in the hash generation since they change automatically.
return md5(
wp_json_encode(
array(
'country' => $context['country'] ?? '',
'locale' => $context['locale'] ?? '',
'has_orders' => $context['has_orders'] ?? false,
'has_payments' => $context['has_payments'] ?? false,
'has_wcpay' => $context['has_wcpay'] ?? false,
)
)
);
}
}