Files
2026-04-28 15:13:50 +02:00

506 lines
15 KiB
PHP

<?php
/**
* UPE Payment Method class
*
* Handles general functionality for UPE payment methods
*
* @package WCPay\Payment_Methods
*/
namespace WCPay\Payment_Methods;
use WC_Payments_Utils;
use WCPay\PaymentMethods\Configs\Constants\PaymentMethodCapability;
use WP_User;
use WC_Payments_Token_Service;
use WC_Payment_Token_CC;
use WC_Payment_Token_WCPay_SEPA;
use WC_Payments_Subscriptions_Utilities;
use WCPay\PaymentMethods\Configs\Utils\PaymentMethodUtils;
/**
* Extendable class for payment methods.
*
* @template T of \WCPay\PaymentMethods\Configs\Interfaces\PaymentMethodDefinitionInterface
*/
class UPE_Payment_Method {
use WC_Payments_Subscriptions_Utilities;
/**
* Payment method definition.
*
* @var class-string<T>|null
*/
protected $definition;
/**
* Stripe key name
*
* @var string
*/
protected $stripe_id;
/**
* Display title
*
* @var string
*/
protected $title;
/**
* Can payment method be saved or reused?
*
* @var bool
*/
protected $is_reusable;
/**
* Instance of WC Payments Token Service to save payment method
*
* @var WC_Payments_Token_Service
*/
protected $token_service;
/**
* Supported presentment currencies for which charges for a payment method can be processed
* Empty if all currencies are supported
*
* @var string[]
*/
protected $currencies;
/**
* Should payment method be restricted to only domestic payments.
* E.g. only to Stripe's connected account currency.
*
* @var boolean
*/
protected $accept_only_domestic_payment = false;
/**
* Represent payment total limitations for the payment method (per-currency).
*
* @var array<string,array<string,array<string,int>>>
*/
protected $limits_per_currency = [];
/**
* Payment method icon URL
*
* @var string
*/
protected $icon_url;
/**
* Payment method icon URL for dark themes (optional)
*
* @var string
*/
protected $dark_icon_url;
/**
* Is the payment method a BNPL (Buy Now Pay Later) method?
*
* @var boolean
*/
protected $is_bnpl = false;
/**
* Supported customer locations for which charges for a payment method can be processed
* Empty if all customer locations are supported
*
* @var string[]
*/
protected $countries = [];
/**
* Create instance of payment method
*
* @param WC_Payments_Token_Service $token_service Instance of WC_Payments_Token_Service.
* @param class-string<T>|null $definition Optional payment method definition class name.
*/
public function __construct( $token_service, ?string $definition = null ) {
$this->token_service = $token_service;
$this->definition = $definition;
if ( null !== $this->definition ) {
// Cache values that don't require context.
$this->stripe_id = $this->definition::get_id();
$this->is_reusable = PaymentMethodUtils::is_reusable( $this->definition );
$this->currencies = $this->definition::get_supported_currencies();
$this->accept_only_domestic_payment = PaymentMethodUtils::accepts_only_domestic_payments( $this->definition );
$this->limits_per_currency = $this->definition::get_limits_per_currency();
$this->is_bnpl = PaymentMethodUtils::is_bnpl( $this->definition );
$this->countries = $this->definition::get_supported_countries();
}
}
/**
* Returns payment method ID
*
* @return string
*/
public function is_express_checkout() {
if ( null !== $this->definition ) {
return in_array( PaymentMethodCapability::EXPRESS_CHECKOUT, $this->definition::get_capabilities(), true );
}
return false;
}
/**
* Returns payment method ID
*
* @return string
*/
public function get_id() {
if ( null !== $this->definition ) {
return $this->definition::get_id();
}
return $this->stripe_id;
}
/**
* Returns payment method title
*
* @param string|null $account_country Country of merchants account.
* @param array|false $payment_details Optional payment details from charge object.
*
* @return string
*
* @phpcs:disable VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
*/
public function get_title( ?string $account_country = null, $payment_details = false ) {
if ( null !== $this->definition ) {
if ( is_array( $payment_details ) && ! empty( $payment_details ) ) {
$dynamic_title = $this->definition::get_title_from_charge_details( $account_country ?? '', $payment_details );
if ( null !== $dynamic_title ) {
return $dynamic_title;
}
}
return $this->definition::get_title( $account_country );
}
return $this->title;
}
/**
* Returns payment method currencies
*
* @return array
*/
public function get_currencies() {
return $this->currencies;
}
/**
* Determines whether the payment method is restricted to the Stripe account's currency.
* E.g.: Afterpay/Clearpay and Affirm only supports domestic payments; Klarna also implements a simplified version of these market restrictions.
*
* @return bool
*/
public function has_domestic_transactions_restrictions() {
return $this->accept_only_domestic_payment;
}
/**
* Returns boolean dependent on whether payment method can be used at checkout.
*
* Payment method can be used at checkout if:
* - If there are payment amount limits, order total is within limits.
* - If it is a subscription order, payment method is either reusable, or subscription is manual.
*
* @param string $account_country Country of merchants account.
* @param bool $skip_limits_per_currency_check Whether to skip limits per currency check.
*
* @return bool
*/
public function is_enabled_at_checkout( string $account_country, bool $skip_limits_per_currency_check = false ) {
// Check if we're in a subscription context (cart checkout, changing payment method, or renewal).
$is_subscription_context = $this->is_subscription_item_in_cart() || $this->is_changing_payment_method_for_subscription();
// Also check if we're on the order-pay page for a renewal order.
if ( ! $is_subscription_context && is_wc_endpoint_url( 'order-pay' ) && function_exists( 'wcs_order_contains_renewal' ) ) {
$order = wc_get_order( absint( get_query_var( 'order-pay' ) ) );
if ( $order && wcs_order_contains_renewal( $order ) ) {
$is_subscription_context = true;
}
}
// Reusable methods are always available for subscriptions. Other methods are available if manual renewal is allowed.
$are_manual_renewals_accepted = function_exists( 'wcs_is_manual_renewal_enabled' ) && wcs_is_manual_renewal_enabled();
$is_available_for_subscription = $are_manual_renewals_accepted || $this->is_reusable();
$order_is_within_currency_limits = true;
// This part ensures that when payment limits for the currency declared, those will be respected (e.g. BNPLs).
if ( [] !== $this->limits_per_currency && ! $skip_limits_per_currency_check ) {
$order = null;
if ( is_wc_endpoint_url( 'order-pay' ) ) {
$order = wc_get_order( absint( get_query_var( 'order-pay' ) ) );
$order = is_a( $order, 'WC_Order' ) ? $order : null;
}
$currency = get_woocommerce_currency();
if ( $order ) {
$currency = $order->get_currency();
}
// If the currency limits are not defined, we allow the PM for now (gateway has similar validation for limits).
$total = null;
if ( $order ) {
$total = $order->get_total();
} elseif ( isset( WC()->cart ) ) {
$total = WC()->cart->get_total( '' );
}
if ( isset( $this->limits_per_currency[ $currency ], WC()->cart ) && ! empty( $total ) ) {
$amount = WC_Payments_Utils::prepare_amount( $total, $currency );
if ( $amount > 0 ) {
$range = null;
if ( isset( $this->limits_per_currency[ $currency ][ $account_country ] ) ) {
$range = $this->limits_per_currency[ $currency ][ $account_country ];
} elseif ( isset( $this->limits_per_currency[ $currency ]['default'] ) ) {
$range = $this->limits_per_currency[ $currency ]['default'];
}
// If there is no range specified for the currency-country pair we don't support it and return false.
if ( null === $range ) {
$order_is_within_currency_limits = false;
} else {
$is_valid_minimum = null === $range['min'] || $amount >= $range['min'];
$is_valid_maximum = null === $range['max'] || $amount <= $range['max'];
$order_is_within_currency_limits = $is_valid_minimum && $is_valid_maximum;
}
}
}
}
return $order_is_within_currency_limits
&& ( ( ! $is_subscription_context ) || $is_available_for_subscription );
}
/**
* Returns boolean dependent on whether payment method
* will support saved payments/subscription payments
*
* @return bool
*/
public function is_reusable() {
return $this->is_reusable;
}
/**
* Returns boolean dependent on whether payment method
* will support BNPL (Buy Now Pay Later) payments
*
* @return bool
*/
public function is_bnpl() {
return $this->is_bnpl;
}
/**
* Returns boolean dependent on whether payment method will accept charges
* with chosen currency
*
* @param string $account_domestic_currency Domestic currency of the account.
* @param int|null $order_id Optional order ID, if order currency should take precedence.
*
* @return bool
*/
public function is_currency_valid( string $account_domestic_currency, $order_id = null ) {
$current_store_currency = $this->get_currency( $order_id );
if ( null === $current_store_currency ) {
return false;
}
if ( $this->has_domestic_transactions_restrictions() ) {
if ( strtolower( $current_store_currency ) !== strtolower( $account_domestic_currency ) ) {
return false;
}
}
$supported_currencies = $this->get_currencies();
return empty( $supported_currencies ) || in_array( $current_store_currency, $supported_currencies, true );
}
/**
* Add payment method to user and return WC payment token
*
* @param WP_User $user User to get payment token from.
* @param string $payment_method_id Stripe payment method ID string.
*
* @return WC_Payment_Token_CC|WC_Payment_Token_WCPay_SEPA WC object for payment token.
*/
public function get_payment_token_for_user( $user, $payment_method_id ) {
return $this->token_service->add_payment_method_to_user( $payment_method_id, $user );
}
/**
* Returns testing credentials to be printed at checkout in test mode.
*
* @param string $account_country The country of the account.
* @return string
*/
public function get_testing_instructions( string $account_country ) {
if ( null !== $this->definition ) {
return $this->definition::get_testing_instructions( $account_country );
}
return '';
}
/**
* Returns the payment method icon URL or an empty string.
*
* @param string|null $account_country Optional account country.
* @return string
*
* @phpcs:disable VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
*/
public function get_icon( ?string $account_country = null ) {
if ( null !== $this->definition ) {
return $this->definition::get_icon_url( $account_country );
}
return isset( $this->icon_url ) ? $this->icon_url : '';
}
/**
* Returns icon to use on dark themes.
*
* @param string|null $account_country Optional account country.
* @return string
*/
public function get_dark_icon( ?string $account_country = null ) {
if ( null !== $this->definition ) {
return $this->definition::get_dark_icon_url( $account_country );
}
return isset( $this->dark_icon_url ) ? $this->dark_icon_url : $this->get_icon( $account_country );
}
/**
* Returns payment method supported countries
*
* @return array
*/
public function get_countries() {
$account = \WC_Payments::get_account_service()->get_cached_account_data();
$account_country = isset( $account['country'] ) ? strtoupper( $account['country'] ) : '';
// For definition-based payment methods, call get_supported_countries with account_country.
// The definition handles any domestic/regional restrictions (e.g., Klarna's EEA cross-border logic).
if ( ! empty( $this->definition ) ) {
return $this->definition::get_supported_countries( $account_country );
}
return $this->has_domestic_transactions_restrictions() ? [ $account_country ] : $this->countries;
}
/**
* Returns payment method description for the settings page.
*
* @param string|null $account_country Country of merchants account.
*
* @return string
*/
public function get_description( ?string $account_country = null ) {
if ( null !== $this->definition ) {
return $this->definition::get_description( $account_country );
}
return '';
}
/**
* Returns payment method settings label.
*
* @param string $account_country Country of merchants account.
* @return string
*/
public function get_settings_label( string $account_country ) {
if ( null !== $this->definition ) {
return $this->definition::get_settings_label( $account_country );
}
return $this->get_title( $account_country );
}
/**
* Returns payment method settings icon.
*
* @param string|null $account_country Country of merchants account.
* @return string
*/
public function get_settings_icon_url( ?string $account_country = null ) {
if ( null !== $this->definition ) {
return $this->definition::get_settings_icon_url( $account_country );
}
return $this->get_icon( $account_country );
}
/**
* Returns boolean dependent on whether payment method allows manual capture.
*
* @return bool
*/
public function allows_manual_capture() {
if ( null !== $this->definition ) {
return PaymentMethodUtils::allows_manual_capture( $this->definition );
}
return false;
}
/**
* Returns the Stripe key for the payment method.
*
* @return string
*/
public function get_stripe_key() {
if ( null !== $this->definition ) {
return $this->definition::get_stripe_id();
}
return \WC_Payments::get_gateway()->get_payment_method_capability_key_map()[ $this->stripe_id ];
}
/**
* Returns payment method settings definition.
*
* @param string $account_country Country of merchants account.
* @return array
*/
public function get_payment_method_information_object( string $account_country ) {
return [
'id' => $this->get_id(),
'label' => $this->get_settings_label( $account_country ),
'description' => $this->get_description( $account_country ),
'settings_icon_url' => $this->get_settings_icon_url( $account_country ),
'currencies' => $this->get_currencies(),
'stripe_key' => $this->get_stripe_key(),
'allows_manual_capture' => $this->allows_manual_capture(),
'allows_pay_later' => $this->is_bnpl(),
'accepts_only_domestic_payment' => $this->has_domestic_transactions_restrictions(),
];
}
/**
* Returns valid currency to use to filter payment methods.
*
* @param int $order_id Optional order ID, if order currency should take precedence.
*
* @return string|null
*/
private function get_currency( $order_id = null ) {
if ( is_wc_endpoint_url( 'order-pay' ) || null !== $order_id ) {
global $wp;
if ( null === $order_id ) {
$order_id = absint( $wp->query_vars['order-pay'] );
}
$order = wc_get_order( $order_id );
if ( false === $order ) {
return null;
}
return $order->get_currency();
}
return get_woocommerce_currency();
}
}