Add new setting if not eligible

modules/ppcp-applepay/extensions.php

@@ -16,6 +16,7 @@ use WooCommerce\PayPalCommerce\Vendor\Psr\Container\ContainerInterface;
 
 return array(
 	'wcgateway.settings.fields' => function ( ContainerInterface $container, array $fields ): array {
+
 		$insert_after = function ( array $array, string $key, array $new ): array {
 			$keys = array_keys( $array );
 			$index = array_search( $key, $keys, true );
@@ -24,6 +25,35 @@ return array(
 			return array_merge( array_slice( $array, 0, $pos ), $new, array_slice( $array, $pos ) );
 		};
 
+		if ( ! $container->has( 'applepay.eligible' ) || ! $container->get( 'applepay.eligible' ) ) {
+			$connection_url = admin_url( 'admin.php?page=wc-settings&tab=checkout&section=ppcp-gateway&ppcp-tab=ppcp-connection#field-credentials_feature_onboarding_heading' );
+			$connection_link = '<a href="' . $connection_url . '" target="_blank">';
+			return $insert_after(
+				$fields,
+				'allow_card_button_gateway',
+				array(
+					'applepay_button_enabled'          => array(
+						'title' => __('Apple Pay Button', 'woocommerce-paypal-payments'),
+						'type' => 'checkbox',
+						'class' => array('ppcp-grayed-out-text'),
+						'input_class' => array('ppcp-disabled-checkbox'),
+						'label' => __('Enable Apple Pay button', 'woocommerce-paypal-payments')
+							. '<p class="description">'
+							. sprintf(
+							// translators: %1$s and %2$s are the opening and closing of HTML <a> tag.
+								__('Your PayPal account  %1$srequires additional permissions%2$s to enable Apple Pay.', 'woocommerce-paypal-payments'),
+								$connection_link,
+								'</a>'
+							)
+							. '</p>',
+						'default' => 'yes',
+						'screens' => array(State::STATE_ONBOARDED),
+						'gateway' => 'paypal',
+						'requirements' => array(),
+						),
+					)
+				);
+		}
 		return $insert_after(
 			$fields,
 			'allow_card_button_gateway',

modules/ppcp-applepay/services.php

@@ -15,10 +15,24 @@ use WooCommerce\PayPalCommerce\Applepay\Assets\ApplePayButton;
 use WooCommerce\PayPalCommerce\Applepay\Assets\AppleProductStatus;
 use WooCommerce\PayPalCommerce\Applepay\Assets\DataToAppleButtonScripts;
 use WooCommerce\PayPalCommerce\Applepay\Assets\BlocksPaymentMethod;
+use WooCommerce\PayPalCommerce\Applepay\Helper\ApmApplies;
 use WooCommerce\PayPalCommerce\Vendor\Psr\Container\ContainerInterface;
 use WooCommerce\PayPalCommerce\WcGateway\Settings\Settings;
 
 return array(
+	'applepay.eligible'                          => static function ( ContainerInterface $container ): bool {
+		$apm_applies = $container->get( 'applepay.helpers.apm-applies' );
+		assert( $apm_applies instanceof ApmApplies );
+
+		return $apm_applies->for_country_currency();
+	},
+	'applepay.helpers.apm-applies'               => static function ( ContainerInterface $container ) : ApmApplies {
+		return new ApmApplies(
+			$container->get( 'applepay.supported-country-currency-matrix' ),
+			$container->get( 'api.shop.currency' ),
+			$container->get( 'api.shop.country' )
+		);
+	},
 	'applepay.status-cache'          => static function( ContainerInterface $container ): Cache {
 		return new Cache( 'ppcp-paypal-apple-status-cache' );
 	},
@@ -81,4 +95,20 @@ return array(
 			$container->get( 'blocks.method' )
 		);
 	},
+	/**
+	 * The matrix which countries and currency combinations can be used for ApplePay.
+	 */
+	'applepay.supported-country-currency-matrix' => static function ( ContainerInterface $container ) : array {
+		/**
+		 * Returns which countries and currency combinations can be used for ApplePay.
+		 */
+		return apply_filters(
+			'woocommerce_paypal_payments_applepay_supported_country_currency_matrix',
+			array(
+				'US' => array(
+					'USD',
+				),
+			)
+		);
+	},
 );

modules/ppcp-applepay/src/Helper/ApmApplies.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * Properties of the ApplePay module.
+ *
+ * @package WooCommerce\PayPalCommerce\ApplePay\Helper
+ */
+
+declare(strict_types=1);
+
+namespace WooCommerce\PayPalCommerce\Applepay\Helper;
+
+/**
+ * Class ApmApplies
+ */
+class ApmApplies {
+
+	/**
+	 * The matrix which countries and currency combinations can be used for DCC.
+	 *
+	 * @var array
+	 */
+	private $allowed_country_currency_matrix;
+
+	/**
+	 * 3-letter currency code of the shop.
+	 *
+	 * @var string
+	 */
+	private $currency;
+
+	/**
+	 * 2-letter country code of the shop.
+	 *
+	 * @var string
+	 */
+	private $country;
+
+	/**
+	 * DccApplies constructor.
+	 *
+	 * @param array  $allowed_country_currency_matrix The matrix which countries and currency combinations can be used for DCC.
+	 * @param string $currency 3-letter currency code of the shop.
+	 * @param string $country 2-letter country code of the shop.
+	 */
+	public function __construct(
+		array $allowed_country_currency_matrix,
+		string $currency,
+		string $country
+	) {
+		$this->allowed_country_currency_matrix = $allowed_country_currency_matrix;
+		$this->currency                        = $currency;
+		$this->country                         = $country;
+	}
+
+	/**
+	 * Returns whether ApplePay can be used in the current country and the current currency used.
+	 *
+	 * @return bool
+	 */
+	public function for_country_currency(): bool {
+		if ( ! in_array( $this->country, array_keys( $this->allowed_country_currency_matrix ), true ) ) {
+			return false;
+		}
+		return in_array( $this->currency, $this->allowed_country_currency_matrix[ $this->country ], true );
+	}
+
+}