Fix lint and tests

modules/ppcp-applepay/services.php

@@ -109,7 +109,7 @@ return array(
 			$container->get( 'applepay.data_to_scripts' ),
 			$container->get( 'wcgateway.settings.status' ),
 			$container->get( 'button.helper.cart-products' )
-	);
+		);
 	},
 	'applepay.blocks-payment-method'             => static function ( ContainerInterface $container ): PaymentMethodTypeInterface {
 		return new BlocksPaymentMethod(

modules/ppcp-applepay/src/ApplepayModule.php

@@ -40,6 +40,7 @@ class ApplepayModule implements ModuleInterface {
 	 * {@inheritDoc}
 	 */
 	public function run( ContainerInterface $c ): void {
+		$module = $this;
 
 		// Clears product status when appropriate.
 		add_action(
@@ -51,38 +52,44 @@ class ApplepayModule implements ModuleInterface {
 			}
 		);
 
-		// Check if the module is applicable, correct country, currency, ... etc.
-		if ( ! $c->get( 'applepay.eligible' ) ) {
-			return;
-		}
+		add_action(
+			'init',
+			static function () use ( $c, $module ) {
 
-		// Load the button handler.
-		$apple_payment_method = $c->get( 'applepay.button' );
-		// add onboarding and referrals hooks.
-		assert( $apple_payment_method instanceof ApplepayButton );
-		$apple_payment_method->initialize();
+				// Check if the module is applicable, correct country, currency, ... etc.
+				if ( ! $c->get( 'applepay.eligible' ) ) {
+					return;
+				}
 
-		// Show notice if there are product availability issues.
-		$availability_notice = $c->get( 'applepay.availability_notice' );
-		assert( $availability_notice instanceof AvailabilityNotice );
-		$availability_notice->execute();
+				// Load the button handler.
+				$apple_payment_method = $c->get( 'applepay.button' );
+				// add onboarding and referrals hooks.
+				assert( $apple_payment_method instanceof ApplepayButton );
+				$apple_payment_method->initialize();
 
-		// Return if server not supported.
-		if ( ! $c->get( 'applepay.server_supported' ) ) {
-			return;
-		}
+				// Show notice if there are product availability issues.
+				$availability_notice = $c->get( 'applepay.availability_notice' );
+				assert( $availability_notice instanceof AvailabilityNotice );
+				$availability_notice->execute();
 
-		// Check if this merchant can activate / use the buttons.
-		// We allow non referral merchants as they can potentially still use ApplePay, we just have no way of checking the capability.
-		if ( ( ! $c->get( 'applepay.available' ) ) && $c->get( 'applepay.is_referral' ) ) {
-			return;
-		}
+				// Return if server not supported.
+				if ( ! $c->get( 'applepay.server_supported' ) ) {
+					return;
+				}
 
-		$this->load_assets( $c, $apple_payment_method );
-		$this->handle_validation_file( $c );
-		$this->render_buttons( $c, $apple_payment_method );
+				// Check if this merchant can activate / use the buttons.
+				// We allow non referral merchants as they can potentially still use ApplePay, we just have no way of checking the capability.
+				if ( ( ! $c->get( 'applepay.available' ) ) && $c->get( 'applepay.is_referral' ) ) {
+					return;
+				}
 
-		$apple_payment_method->bootstrap_ajax_request();
+				$module->load_assets( $c, $apple_payment_method );
+				$module->handle_validation_file( $c );
+				$module->render_buttons( $c, $apple_payment_method );
+
+				$apple_payment_method->bootstrap_ajax_request();
+			}
+		);
 	}
 
 	/**

modules/ppcp-applepay/src/Assets/ApplePayDataObjectHttp.php

@@ -62,21 +62,21 @@ class ApplePayDataObjectHttp {
 	/**
 	 * The product variations.
 	 *
-	 * @var string
+	 * @var array
 	 */
 	protected $product_variations = array();
 
 	/**
 	 * The product extra.
 	 *
-	 * @var string
+	 * @var array
 	 */
 	protected $product_extra = array();
 
 	/**
 	 * The product booking.
 	 *
-	 * @var string
+	 * @var array
 	 */
 	protected $product_booking = array();
 
@@ -295,7 +295,7 @@ class ApplePayDataObjectHttp {
 	/**
 	 * Pre-processes request data to transform it to a standard format.
 	 *
-	 * @param array $data
+	 * @param array $data The data.
 	 * @return array
 	 */
 	protected function preprocess_request_data( array $data ): array {
@@ -602,7 +602,7 @@ class ApplePayDataObjectHttp {
 	/**
 	 * Returns the product variations.
 	 *
-	 * @return string
+	 * @return array
 	 */
 	public function product_variations(): array {
 		return $this->product_variations;
@@ -611,7 +611,7 @@ class ApplePayDataObjectHttp {
 	/**
 	 * Returns the product extra.
 	 *
-	 * @return string
+	 * @return array
 	 */
 	public function product_extra(): array {
 		return $this->product_extra;
@@ -620,7 +620,7 @@ class ApplePayDataObjectHttp {
 	/**
 	 * Returns the product booking.
 	 *
-	 * @return string
+	 * @return array
 	 */
 	public function product_booking(): array {
 		return $this->product_booking;
@@ -698,6 +698,10 @@ class ApplePayDataObjectHttp {
 			)
 		);
 
+		if ( ! $data ) {
+			return false;
+		}
+
 		return $this->append_products_to_data( $data, $_POST );
 	}
 

modules/ppcp-button/services.php

@@ -254,7 +254,7 @@ return array(
 	},
 
 	'button.helper.cart-products'                 => static function ( ContainerInterface $container ): CartProductsHelper {
-		$data_store   = \WC_Data_Store::load( 'product' );
+		$data_store = \WC_Data_Store::load( 'product' );
 		return new CartProductsHelper( $data_store );
 	},
 

modules/ppcp-button/src/Endpoint/SimulateCartEndpoint.php

@@ -52,11 +52,11 @@ class SimulateCartEndpoint extends AbstractCartEndpoint {
 		CartProductsHelper $cart_products,
 		LoggerInterface $logger
 	) {
-		$this->smart_button       = $smart_button;
-		$this->cart               = clone $cart;
-		$this->request_data       = $request_data;
-		$this->cart_products      = $cart_products;
-		$this->logger             = $logger;
+		$this->smart_button  = $smart_button;
+		$this->cart          = clone $cart;
+		$this->request_data  = $request_data;
+		$this->cart_products = $cart_products;
+		$this->logger        = $logger;
 
 		$this->logger_tag = 'simulation';
 	}

modules/ppcp-button/src/Helper/CartProductsHelper.php

@@ -53,7 +53,7 @@ class CartProductsHelper {
 	/**
 	 * Sets a new cart instance.
 	 *
-	 * @param WC_Cart $cart
+	 * @param WC_Cart $cart The cart.
 	 * @return void
 	 */
 	public function set_cart( WC_Cart $cart ): void {
@@ -89,7 +89,7 @@ class CartProductsHelper {
 	/**
 	 * Returns product information from a data array.
 	 *
-	 * @param array $product
+	 * @param array $product The product data array, usually provided by the product page form.
 	 * @return array|null
 	 */
 	public function product_from_data( array $product ): ?array {
@@ -135,20 +135,20 @@ class CartProductsHelper {
 
 			if ( $product['product']->is_type( 'booking' ) ) {
 				$success = $success && $this->add_booking_product(
-						$product['product'],
-						$product['booking']
-					);
+					$product['product'],
+					$product['booking']
+				);
 			} elseif ( $product['product']->is_type( 'variable' ) ) {
 				$success = $success && $this->add_variable_product(
-						$product['product'],
-						$product['quantity'],
-						$product['variations']
-					);
+					$product['product'],
+					$product['quantity'],
+					$product['variations']
+				);
 			} else {
 				$success = $success && $this->add_product(
-						$product['product'],
-						$product['quantity']
-					);
+					$product['product'],
+					$product['quantity']
+				);
 			}
 		}
 
@@ -169,7 +169,9 @@ class CartProductsHelper {
 	 * @throws Exception When product could not be added.
 	 */
 	public function add_product( \WC_Product $product, int $quantity ): bool {
-		$this->validate_cart();
+		if ( ! $this->cart ) {
+			throw new Exception( 'Cart not set.' );
+		}
 
 		$cart_item_key = $this->cart->add_to_cart( $product->get_id(), $quantity );
 
@@ -194,7 +196,9 @@ class CartProductsHelper {
 		int $quantity,
 		array $post_variations
 	): bool {
-		$this->validate_cart();
+		if ( ! $this->cart ) {
+			throw new Exception( 'Cart not set.' );
+		}
 
 		$variations = array();
 		foreach ( $post_variations as $key => $value ) {
@@ -230,7 +234,9 @@ class CartProductsHelper {
 		\WC_Product $product,
 		array $data
 	): bool {
-		$this->validate_cart();
+		if ( ! $this->cart ) {
+			throw new Exception( 'Cart not set.' );
+		}
 
 		if ( ! is_callable( 'wc_bookings_get_posted_data' ) ) {
 			return false;
@@ -252,10 +258,12 @@ class CartProductsHelper {
 	 * Removes stored cart items from WooCommerce cart.
 	 *
 	 * @return void
-	 * @throws Exception
+	 * @throws Exception Throws if there's a failure removing the cart items.
 	 */
 	public function remove_cart_items(): void {
-		$this->validate_cart();
+		if ( ! $this->cart ) {
+			throw new Exception( 'Cart not set.' );
+		}
 
 		foreach ( $this->cart_item_keys as $cart_item_key ) {
 			if ( ! $cart_item_key ) {
@@ -266,21 +274,12 @@ class CartProductsHelper {
 	}
 
 	/**
+	 * Returns the cart item keys of the items added to cart.
+	 *
 	 * @return array
 	 */
 	public function cart_item_keys(): array {
 		return $this->cart_item_keys;
 	}
 
-	/**
-	 * Throws the cart not set exception.
-	 *
-	 * @return void
-	 * @throws Exception
-	 */
-	private function validate_cart(): void {
-		if ( ! $this->cart ) {
-			throw new Exception( 'Cart not set.' );
-		}
-	}
 }

modules/ppcp-googlepay/src/GooglepayModule.php

@@ -50,103 +50,105 @@ class GooglepayModule implements ModuleInterface {
 			}
 		);
 
-		// Check if the module is applicable, correct country, currency, ... etc.
-		if ( ! $c->get( 'googlepay.eligible' ) ) {
-			return;
-		}
-
-		// Load the button handler.
-		$button = $c->get( 'googlepay.button' );
-		assert( $button instanceof ButtonInterface );
-		$button->initialize();
-
-		// Show notice if there are product availability issues.
-		$availability_notice = $c->get( 'googlepay.availability_notice' );
-		assert( $availability_notice instanceof AvailabilityNotice );
-		$availability_notice->execute();
-
-		// Check if this merchant can activate / use the buttons.
-		// We allow non referral merchants as they can potentially still use GooglePay, we just have no way of checking the capability.
-		if ( ( ! $c->get( 'googlepay.available' ) ) && $c->get( 'googlepay.is_referral' ) ) {
-			return;
-		}
-
-		// Initializes button rendering.
 		add_action(
-			'wp',
-			static function () use ( $c, $button ) {
-				if ( is_admin() ) {
-					return;
-				}
-				$button->render();
-			}
-		);
-
-		// Enqueue frontend scripts.
-		add_action(
-			'wp_enqueue_scripts',
-			static function () use ( $c, $button ) {
-				$smart_button = $c->get( 'button.smart-button' );
-				assert( $smart_button instanceof SmartButtonInterface );
-				if ( $smart_button->should_load_ppcp_script() ) {
-					$button->enqueue();
-				}
-
-				if ( has_block( 'woocommerce/checkout' ) || has_block( 'woocommerce/cart' ) ) {
-					/**
-					 * Should add this to the ButtonInterface.
-					 *
-					 * @psalm-suppress UndefinedInterfaceMethod
-					 */
-					$button->enqueue_styles();
-				}
-			}
-		);
-
-		// Enqueue backend scripts.
-		add_action(
-			'admin_enqueue_scripts',
-			static function () use ( $c, $button ) {
-				if ( ! is_admin() ) {
-					return;
-				}
-				/**
-				 * Should add this to the ButtonInterface.
-				 *
-				 * @psalm-suppress UndefinedInterfaceMethod
-				 */
-				$button->enqueue_admin();
-			}
-		);
-
-		// Registers buttons on blocks pages.
-		add_action(
-			'woocommerce_blocks_payment_method_type_registration',
-			function( PaymentMethodRegistry $payment_method_registry ) use ( $c, $button ): void {
-				if ( $button->is_enabled() ) {
-					$payment_method_registry->register( $c->get( 'googlepay.blocks-payment-method' ) );
-				}
-			}
-		);
-
-		// Adds GooglePay component to the backend button preview settings.
-		add_action(
-			'woocommerce_paypal_payments_admin_gateway_settings',
-			function( array $settings ) use ( $c, $button ): array {
-				if ( is_array( $settings['components'] ) ) {
-					$settings['components'][] = 'googlepay';
-				}
-				return $settings;
-			}
-		);
-
-		// Initialize AJAX endpoints.
-		add_action(
-			'wc_ajax_' . UpdatePaymentDataEndpoint::ENDPOINT,
+			'init',
 			static function () use ( $c ) {
-				$endpoint = $c->get( 'googlepay.endpoint.update-payment-data' );
-				assert( $endpoint instanceof UpdatePaymentDataEndpoint );
-				$endpoint->handle_request();
+
+				// Check if the module is applicable, correct country, currency, ... etc.
+				if ( ! $c->get( 'googlepay.eligible' ) ) {
+					return;
+				}
+
+				// Load the button handler.
+				$button = $c->get( 'googlepay.button' );
+				assert( $button instanceof ButtonInterface );
+				$button->initialize();
+
+				// Show notice if there are product availability issues.
+				$availability_notice = $c->get( 'googlepay.availability_notice' );
+				assert( $availability_notice instanceof AvailabilityNotice );
+				$availability_notice->execute();
+
+				// Check if this merchant can activate / use the buttons.
+				// We allow non referral merchants as they can potentially still use GooglePay, we just have no way of checking the capability.
+				if ( ( ! $c->get( 'googlepay.available' ) ) && $c->get( 'googlepay.is_referral' ) ) {
+					return;
+				}
+
+				// Initializes button rendering.
+				if ( ! is_admin() ) {
+					$button->render();
+				}
+
+				// Enqueue frontend scripts.
+				add_action(
+					'wp_enqueue_scripts',
+					static function () use ( $c, $button ) {
+						$smart_button = $c->get( 'button.smart-button' );
+						assert( $smart_button instanceof SmartButtonInterface );
+						if ( $smart_button->should_load_ppcp_script() ) {
+							$button->enqueue();
+						}
+
+						if ( has_block( 'woocommerce/checkout' ) || has_block( 'woocommerce/cart' ) ) {
+							/**
+							 * Should add this to the ButtonInterface.
+							 *
+							 * @psalm-suppress UndefinedInterfaceMethod
+							 */
+							$button->enqueue_styles();
+						}
+					}
+				);
+
+				// Enqueue backend scripts.
+				add_action(
+					'admin_enqueue_scripts',
+					static function () use ( $c, $button ) {
+						if ( ! is_admin() ) {
+							return;
+						}
+
+						/**
+						 * Should add this to the ButtonInterface.
+						 *
+						 * @psalm-suppress UndefinedInterfaceMethod
+						 */
+						$button->enqueue_admin();
+					}
+				);
+
+				// Registers buttons on blocks pages.
+				add_action(
+					'woocommerce_blocks_payment_method_type_registration',
+					function( PaymentMethodRegistry $payment_method_registry ) use ( $c, $button ): void {
+						if ( $button->is_enabled() ) {
+							$payment_method_registry->register( $c->get( 'googlepay.blocks-payment-method' ) );
+						}
+					}
+				);
+
+				// Adds GooglePay component to the backend button preview settings.
+				add_action(
+					'woocommerce_paypal_payments_admin_gateway_settings',
+					function( array $settings ) use ( $c ): array {
+						if ( is_array( $settings['components'] ) ) {
+							$settings['components'][] = 'googlepay';
+						}
+						return $settings;
+					}
+				);
+
+				// Initialize AJAX endpoints.
+				add_action(
+					'wc_ajax_' . UpdatePaymentDataEndpoint::ENDPOINT,
+					static function () use ( $c ) {
+						$endpoint = $c->get( 'googlepay.endpoint.update-payment-data' );
+						assert( $endpoint instanceof UpdatePaymentDataEndpoint );
+						$endpoint->handle_request();
+					}
+				);
+
 			}
 		);
 	}

tests/PHPUnit/Button/Endpoint/ChangeCartEndpointTest.php

@@ -6,6 +6,7 @@ namespace WooCommerce\PayPalCommerce\Button\Endpoint;
 
 use WooCommerce\PayPalCommerce\ApiClient\Entity\PurchaseUnit;
 use WooCommerce\PayPalCommerce\ApiClient\Factory\PurchaseUnitFactory;
+use WooCommerce\PayPalCommerce\Button\Helper\CartProductsHelper;
 use WooCommerce\PayPalCommerce\TestCase;
 use Mockery;
 use WooCommerce\WooCommerce\Logging\Logger\NullLogger;
@@ -91,12 +92,16 @@ class ChangeCartEndpointTest extends TestCase
             ->expects('from_wc_cart')
             ->andReturn($pu);
 
+		$productsHelper = new CartProductsHelper(
+			$dataStore
+		);
+
         $testee = new ChangeCartEndpoint(
             $cart,
             $shipping,
             $requestData,
             $purchase_unit_factory,
-            $dataStore,
+			$productsHelper,
 			new NullLogger()
         );