woocommerce / woocommerce-gateway-stripe

includes/class-wc-stripe-webhook-handler.php

Spacing +148 added lines, -148 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -17,7 +17,7 @@ 
 	 * @version 4.0.0
 	 */
 	public function __construct() {
-		add_action( 'woocommerce_api_wc_stripe', array( $this, 'check_for_webhook' ) );
+		add_action('woocommerce_api_wc_stripe', array($this, 'check_for_webhook'));
 	}
 
 	/**
@@ -27,24 +27,24 @@ 
 	 * @version 4.0.0
 	 */
 	public function check_for_webhook() {
-		if ( ( 'POST' !== $_SERVER['REQUEST_METHOD'] )
-			|| ! isset( $_GET['wc-api'] )
-			|| ( 'wc_stripe' !== $_GET['wc-api'] )
+		if (('POST' !== $_SERVER['REQUEST_METHOD'])
+			|| ! isset($_GET['wc-api'])
+			|| ('wc_stripe' !== $_GET['wc-api'])
 		) {
 			return;
 		}
 
-		$request_body    = file_get_contents( 'php://input' );
-		$request_headers = array_change_key_case( $this->get_request_headers(), CASE_UPPER );
+		$request_body    = file_get_contents('php://input');
+		$request_headers = array_change_key_case($this->get_request_headers(), CASE_UPPER);
 
 		// Validate it to make sure it is legit.
-		if ( $this->is_valid_request( $request_headers, $request_body ) ) {
-			$this->process_webhook( $request_body );
-			status_header( 200 );
+		if ($this->is_valid_request($request_headers, $request_body)) {
+			$this->process_webhook($request_body);
+			status_header(200);
 			exit;
 		} else {
-			WC_Stripe_Logger::log( 'Incoming webhook failed validation: ' . print_r( $request_body, true ) );
-			status_header( 400 );
+			WC_Stripe_Logger::log('Incoming webhook failed validation: ' . print_r($request_body, true));
+			status_header(400);
 			exit;
 		}
 	}
@@ -59,12 +59,12 @@ 
 	 * @param string $request_body The request body from Stripe.
 	 * @return bool
 	 */
-	public function is_valid_request( $request_headers = null, $request_body = null ) {
-		if ( null === $request_headers || null === $request_body ) {
+	public function is_valid_request($request_headers = null, $request_body = null) {
+		if (null === $request_headers || null === $request_body) {
 			return false;
 		}
 
-		if ( ! empty( $request_headers['USER-AGENT'] ) && ! preg_match( '/Stripe/', $request_headers['USER-AGENT'] ) ) {
+		if ( ! empty($request_headers['USER-AGENT']) && ! preg_match('/Stripe/', $request_headers['USER-AGENT'])) {
 			return false;
 		}
 
@@ -80,11 +80,11 @@ 
 	 * @version 4.0.0
 	 */
 	public function get_request_headers() {
-		if ( ! function_exists( 'getallheaders' ) ) {
+		if ( ! function_exists('getallheaders')) {
 			$headers = [];
-			foreach ( $_SERVER as $name => $value ) {
-				if ( 'HTTP_' === substr( $name, 0, 5 ) ) {
-					$headers[ str_replace( ' ', '-', ucwords( strtolower( str_replace( '_', ' ', substr( $name, 5 ) ) ) ) ) ] = $value;
+			foreach ($_SERVER as $name => $value) {
+				if ('HTTP_' === substr($name, 0, 5)) {
+					$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
 				}
 			}
 
@@ -103,30 +103,30 @@ 
 	 * @param object $notification
 	 * @param bool $retry
 	 */
-	public function process_webhook_payment( $notification, $retry = true ) {
+	public function process_webhook_payment($notification, $retry = true) {
 		// The following 2 payment methods are synchronous so does not need to be handle via webhook.
-		if ( 'card' === $notification->data->object->type || 'sepa_debit' === $notification->data->object->type ) {
+		if ('card' === $notification->data->object->type || 'sepa_debit' === $notification->data->object->type) {
 			return;
 		}
 
-		$order = WC_Stripe_Helper::get_order_by_source_id( $notification->data->object->id );
+		$order = WC_Stripe_Helper::get_order_by_source_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via source ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via source ID: ' . $notification->data->object->id);
 			return;
 		}
 
 		$order_id  = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 		$source_id = $notification->data->object->id;
 
-		$is_pending_receiver = ( 'receiver' === $notification->data->object->flow );
+		$is_pending_receiver = ('receiver' === $notification->data->object->flow);
 
 		try {
-			if ( 'processing' === $order->get_status() || 'completed' === $order->get_status() ) {
+			if ('processing' === $order->get_status() || 'completed' === $order->get_status()) {
 				return;
 			}
 
-			if ( 'on-hold' === $order->get_status() && ! $is_pending_receiver ) {
+			if ('on-hold' === $order->get_status() && ! $is_pending_receiver) {
 				return;
 			}
 
@@ -134,80 +134,80 @@ 
 			$response = null;
 
 			// This will throw exception if not valid.
-			$this->validate_minimum_order_amount( $order );
+			$this->validate_minimum_order_amount($order);
 
-			WC_Stripe_Logger::log( "Info: (Webhook) Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+			WC_Stripe_Logger::log("Info: (Webhook) Begin processing payment for order $order_id for the amount of {$order->get_total()}");
 
 			// Prep source object.
 			$source_object           = new stdClass();
 			$source_object->token_id = '';
-			$source_object->customer = $this->get_stripe_customer_id( $order );
+			$source_object->customer = $this->get_stripe_customer_id($order);
 			$source_object->source   = $source_id;
 
 			// Make the request.
-			$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $source_object ) );
+			$response = WC_Stripe_API::request($this->generate_payment_request($order, $source_object));
 
-			if ( ! empty( $response->error ) ) {
+			if ( ! empty($response->error)) {
 				// If it is an API error such connection or server, let's retry.
-				if ( 'api_connection_error' === $response->error->type || 'api_error' === $response->error->type ) {
-					if ( $retry ) {
-						sleep( 5 );
-						return $this->process_payment( $order_id, false );
+				if ('api_connection_error' === $response->error->type || 'api_error' === $response->error->type) {
+					if ($retry) {
+						sleep(5);
+						return $this->process_payment($order_id, false);
 					} else {
 						$localized_message = 'API connection error and retries exhausted.';
-						$order->add_order_note( $localized_message );
-						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+						$order->add_order_note($localized_message);
+						throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 					}
 				}
 
 				// Customer param wrong? The user may have been deleted on stripe's end. Remove customer_id. Can be retried without.
-				if ( preg_match( '/No such customer/i', $response->error->message ) && $retry ) {
-					if ( WC_Stripe_Helper::is_pre_30() ) {
-						delete_user_meta( $order->customer_user, '_stripe_customer_id' );
-						delete_post_meta( $order_id, '_stripe_customer_id' );
+				if (preg_match('/No such customer/i', $response->error->message) && $retry) {
+					if (WC_Stripe_Helper::is_pre_30()) {
+						delete_user_meta($order->customer_user, '_stripe_customer_id');
+						delete_post_meta($order_id, '_stripe_customer_id');
 					} else {
-						delete_user_meta( $order->get_customer_id(), '_stripe_customer_id' );
-						$order->delete_meta_data( '_stripe_customer_id' );
+						delete_user_meta($order->get_customer_id(), '_stripe_customer_id');
+						$order->delete_meta_data('_stripe_customer_id');
 						$order->save();
 					}
 
-					return $this->process_payment( $order_id, false );
+					return $this->process_payment($order_id, false);
 
-				} elseif ( preg_match( '/No such token/i', $response->error->message ) && $source_object->token_id ) {
+				} elseif (preg_match('/No such token/i', $response->error->message) && $source_object->token_id) {
 					// Source param wrong? The CARD may have been deleted on stripe's end. Remove token and show message.
-					$wc_token = WC_Payment_Tokens::get( $source_object->token_id );
+					$wc_token = WC_Payment_Tokens::get($source_object->token_id);
 					$wc_token->delete();
-					$message = __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' );
-					$order->add_order_note( $message );
-					throw new WC_Stripe_Exception( print_r( $response, true ), $message );
+					$message = __('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe');
+					$order->add_order_note($message);
+					throw new WC_Stripe_Exception(print_r($response, true), $message);
 				}
 
 				$localized_messages = WC_Stripe_Helper::get_localized_messages();
 
-				if ( 'card_error' === $response->error->type ) {
-					$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;
+				if ('card_error' === $response->error->type) {
+					$localized_message = isset($localized_messages[$response->error->code]) ? $localized_messages[$response->error->code] : $response->error->message;
 				} else {
-					$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;
+					$localized_message = isset($localized_messages[$response->error->type]) ? $localized_messages[$response->error->type] : $response->error->message;
 				}
 
-				$order->add_order_note( $localized_message );
+				$order->add_order_note($localized_message);
 
-				throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+				throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 			}
 
-			do_action( 'wc_gateway_stripe_process_webhook_payment', $response, $order );
+			do_action('wc_gateway_stripe_process_webhook_payment', $response, $order);
 
-			$this->process_response( $response, $order );
+			$this->process_response($response, $order);
 
-		} catch ( WC_Stripe_Exception $e ) {
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_webhook_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_webhook_payment_error', $e, $order);
 
-			$statuses = array( 'pending', 'failed' );
+			$statuses = array('pending', 'failed');
 
-			if ( $order->has_status( $statuses ) ) {
-				$this->send_failed_order_email( $order_id );
+			if ($order->has_status($statuses)) {
+				$this->send_failed_order_email($order_id);
 			}
 		}
 	}
@@ -221,18 +221,18 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function process_webhook_dispute( $notification ) {
-		$order = WC_Stripe_Helper::get_order_by_charge_id( $notification->data->object->id );
+	public function process_webhook_dispute($notification) {
+		$order = WC_Stripe_Helper::get_order_by_charge_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via charge ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via charge ID: ' . $notification->data->object->id);
 			return;
 		}
 
-		$order->update_status( 'on-hold', __( 'A dispute was created for this order. Response is needed. Please go to your Stripe Dashboard to review this dispute.', 'woocommerce-gateway-stripe' ) );
+		$order->update_status('on-hold', __('A dispute was created for this order. Response is needed. Please go to your Stripe Dashboard to review this dispute.', 'woocommerce-gateway-stripe'));
 
-		do_action( 'wc_gateway_stripe_process_webhook_payment_error', $order, $notification );
-		$this->send_failed_order_email( $order_id );
+		do_action('wc_gateway_stripe_process_webhook_payment_error', $order, $notification);
+		$this->send_failed_order_email($order_id);
 	}
 
 	/**
@@ -243,41 +243,41 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function process_webhook_capture( $notification ) {
-		$order = WC_Stripe_Helper::get_order_by_charge_id( $notification->data->object->id );
+	public function process_webhook_capture($notification) {
+		$order = WC_Stripe_Helper::get_order_by_charge_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via charge ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via charge ID: ' . $notification->data->object->id);
 			return;
 		}
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		if ( 'stripe' === ( WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method() ) ) {
-			$charge   = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_transaction_id', true ) : $order->get_transaction_id();
-			$captured = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_stripe_charge_captured', true ) : $order->get_meta( '_stripe_charge_captured', true );
+		if ('stripe' === (WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method())) {
+			$charge   = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_transaction_id', true) : $order->get_transaction_id();
+			$captured = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_stripe_charge_captured', true) : $order->get_meta('_stripe_charge_captured', true);
 
-			if ( $charge && 'no' === $captured ) {
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_stripe_charge_captured', 'yes' ) : $order->update_meta_data( '_stripe_charge_captured', 'yes' );
+			if ($charge && 'no' === $captured) {
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_stripe_charge_captured', 'yes') : $order->update_meta_data('_stripe_charge_captured', 'yes');
 
 				// Store other data such as fees
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_transaction_id', $notification->data->object->id ) : $order->set_transaction_id( $notification->data->object->id );
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_transaction_id', $notification->data->object->id) : $order->set_transaction_id($notification->data->object->id);
 
-				if ( isset( $notification->data->object->balance_transaction ) ) {
-					$this->update_fees( $order, $notification->data->object->balance_transaction );
+				if (isset($notification->data->object->balance_transaction)) {
+					$this->update_fees($order, $notification->data->object->balance_transaction);
 				}
 
-				if ( is_callable( array( $order, 'save' ) ) ) {
+				if (is_callable(array($order, 'save'))) {
 					$order->save();
 				}
 
 				/* translators: transaction id */
-				$order->update_status( $order->needs_processing() ? 'processing' : 'completed', sprintf( __( 'Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $notification->data->object->id ) );
+				$order->update_status($order->needs_processing() ? 'processing' : 'completed', sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $notification->data->object->id));
 
 				// Check and see if capture is partial.
-				if ( $this->is_partial_capture( $notification ) ) {
-					$order->set_total( $this->get_partial_amount_to_charge( $notification ) );
-					$order->add_note( __( 'This charge was partially captured via Stripe Dashboard', 'woocommerce-gateway-stripe' ) );
+				if ($this->is_partial_capture($notification)) {
+					$order->set_total($this->get_partial_amount_to_charge($notification));
+					$order->add_note(__('This charge was partially captured via Stripe Dashboard', 'woocommerce-gateway-stripe'));
 					$order->save();
 				}
 			}
@@ -292,38 +292,38 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function process_webhook_charge_succeeded( $notification ) {
+	public function process_webhook_charge_succeeded($notification) {
 		// The following payment methods are synchronous so does not need to be handle via webhook.
-		if ( ( isset( $notification->data->object->source->type ) && 'card' === $notification->data->object->source->type ) || ( isset( $notification->data->object->source->type ) && 'three_d_secure' === $notification->data->object->source->type ) ) {
+		if ((isset($notification->data->object->source->type) && 'card' === $notification->data->object->source->type) || (isset($notification->data->object->source->type) && 'three_d_secure' === $notification->data->object->source->type)) {
 			return;
 		}
 
-		$order = WC_Stripe_Helper::get_order_by_charge_id( $notification->data->object->id );
+		$order = WC_Stripe_Helper::get_order_by_charge_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via charge ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via charge ID: ' . $notification->data->object->id);
 			return;
 		}
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		if ( 'on-hold' !== $order->get_status() ) {
+		if ('on-hold' !== $order->get_status()) {
 			return;
 		}
 
 		// Store other data such as fees
-		WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_transaction_id', $notification->data->object->id ) : $order->set_transaction_id( $notification->data->object->id );
+		WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_transaction_id', $notification->data->object->id) : $order->set_transaction_id($notification->data->object->id);
 
-		if ( isset( $notification->data->object->balance_transaction ) ) {
-			$this->update_fees( $order, $notification->data->object->balance_transaction );
+		if (isset($notification->data->object->balance_transaction)) {
+			$this->update_fees($order, $notification->data->object->balance_transaction);
 		}
 
-		if ( is_callable( array( $order, 'save' ) ) ) {
+		if (is_callable(array($order, 'save'))) {
 			$order->save();
 		}
 
 		/* translators: transaction id */
-		$order->update_status( $order->needs_processing() ? 'processing' : 'completed', sprintf( __( 'Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $notification->data->object->id ) );
+		$order->update_status($order->needs_processing() ? 'processing' : 'completed', sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $notification->data->object->id));
 	}
 
 	/**
@@ -334,23 +334,23 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function process_webhook_charge_failed( $notification ) {
-		$order = WC_Stripe_Helper::get_order_by_charge_id( $notification->data->object->id );
+	public function process_webhook_charge_failed($notification) {
+		$order = WC_Stripe_Helper::get_order_by_charge_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via charge ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via charge ID: ' . $notification->data->object->id);
 			return;
 		}
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		if ( 'on-hold' !== $order->get_status() ) {
+		if ('on-hold' !== $order->get_status()) {
 			return;
 		}
 
-		$order->update_status( 'failed', __( 'This payment failed to clear.', 'woocommerce-gateway-stripe' ) );
+		$order->update_status('failed', __('This payment failed to clear.', 'woocommerce-gateway-stripe'));
 
-		do_action( 'wc_gateway_stripe_process_webhook_payment_error', $order, $notification );
+		do_action('wc_gateway_stripe_process_webhook_payment_error', $order, $notification);
 	}
 
 	/**
@@ -361,23 +361,23 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function process_webhook_source_canceled( $notification ) {
-		$order = WC_Stripe_Helper::get_order_by_charge_id( $notification->data->object->id );
+	public function process_webhook_source_canceled($notification) {
+		$order = WC_Stripe_Helper::get_order_by_charge_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via charge ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via charge ID: ' . $notification->data->object->id);
 			return;
 		}
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		if ( 'on-hold' !== $order->get_status() || 'cancelled' !== $order->get_status() ) {
+		if ('on-hold' !== $order->get_status() || 'cancelled' !== $order->get_status()) {
 			return;
 		}
 
-		$order->update_status( 'cancelled', __( 'This payment has cancelled.', 'woocommerce-gateway-stripe' ) );
+		$order->update_status('cancelled', __('This payment has cancelled.', 'woocommerce-gateway-stripe'));
 
-		do_action( 'wc_gateway_stripe_process_webhook_payment_error', $order, $notification );
+		do_action('wc_gateway_stripe_process_webhook_payment_error', $order, $notification);
 	}
 
 	/**
@@ -388,37 +388,37 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function process_webhook_refund( $notification ) {
-		$order = WC_Stripe_Helper::get_order_by_charge_id( $notification->data->object->id );
+	public function process_webhook_refund($notification) {
+		$order = WC_Stripe_Helper::get_order_by_charge_id($notification->data->object->id);
 
-		if ( ! $order ) {
-			WC_Stripe_Logger::log( 'Could not find order via charge ID: ' . $notification->data->object->id );
+		if ( ! $order) {
+			WC_Stripe_Logger::log('Could not find order via charge ID: ' . $notification->data->object->id);
 			return;
 		}
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		if ( 'stripe' === ( WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method() ) ) {
-			$charge    = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_transaction_id', true ) : $order->get_transaction_id();
-			$captured  = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_stripe_charge_captured', true ) : $order->get_meta( '_stripe_charge_captured', true );
-			$refund_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_stripe_refund_id', true ) : $order->get_meta( '_stripe_refund_id', true );
+		if ('stripe' === (WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method())) {
+			$charge    = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_transaction_id', true) : $order->get_transaction_id();
+			$captured  = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_stripe_charge_captured', true) : $order->get_meta('_stripe_charge_captured', true);
+			$refund_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_stripe_refund_id', true) : $order->get_meta('_stripe_refund_id', true);
 
 			// If the refund ID matches, don't continue to prevent double refunding.
-			if ( $notification->data->object->refunds->data[0]->id === $refund_id ) {
+			if ($notification->data->object->refunds->data[0]->id === $refund_id) {
 				return;
 			}
 
 			// Only refund captured charge.
-			if ( $charge && 'yes' === $captured ) {
+			if ($charge && 'yes' === $captured) {
 				// Create the refund.
-				$refund = wc_create_refund( array(
+				$refund = wc_create_refund(array(
 					'order_id'       => $order_id,
-					'amount'         => $this->get_refund_amount( $notification ),
-					'reason'         => __( 'Refunded via Stripe Dashboard', 'woocommerce-gateway-stripe' ),
-				) );
+					'amount'         => $this->get_refund_amount($notification),
+					'reason'         => __('Refunded via Stripe Dashboard', 'woocommerce-gateway-stripe'),
+				));
 
-				if ( is_wp_error( $refund ) ) {
-					WC_Stripe_Logger::log( $refund->get_error_message() );
+				if (is_wp_error($refund)) {
+					WC_Stripe_Logger::log($refund->get_error_message());
 				}
 			}
 		}
@@ -431,7 +431,7 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function is_partial_capture( $notification ) {
+	public function is_partial_capture($notification) {
 		return 0 < $notification->data->object->amount_refunded;
 	}
 
@@ -442,11 +442,11 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function get_refund_amount( $notification ) {
-		if ( $this->is_partial_capture( $notification ) ) {
+	public function get_refund_amount($notification) {
+		if ($this->is_partial_capture($notification)) {
 			$amount = $notification->data->object->amount_refunded / 100;
 
-			if ( in_array( strtolower( $notification->data->object->currency ), WC_Stripe_Helper::no_decimal_currencies() ) ) {
+			if (in_array(strtolower($notification->data->object->currency), WC_Stripe_Helper::no_decimal_currencies())) {
 				$amount = $notification->data->object->amount_refunded;
 			}
 
@@ -463,12 +463,12 @@ 
 	 * @version 4.0.0
 	 * @param object $notification
 	 */
-	public function get_partial_amount_to_charge( $notification ) {
-		if ( $this->is_partial_capture( $notification ) ) {
-			$amount = ( $notification->data->object->amount - $notification->data->object->amount_refunded ) / 100;
+	public function get_partial_amount_to_charge($notification) {
+		if ($this->is_partial_capture($notification)) {
+			$amount = ($notification->data->object->amount - $notification->data->object->amount_refunded) / 100;
 
-			if ( in_array( strtolower( $notification->data->object->currency ), WC_Stripe_Helper::no_decimal_currencies() ) ) {
-				$amount = ( $notification->data->object->amount - $notification->data->object->amount_refunded );
+			if (in_array(strtolower($notification->data->object->currency), WC_Stripe_Helper::no_decimal_currencies())) {
+				$amount = ($notification->data->object->amount - $notification->data->object->amount_refunded);
 			}
 
 			return $amount;
@@ -484,43 +484,43 @@ 
 	 * @version 4.0.0
 	 * @param string $request_body
 	 */
-	public function process_webhook( $request_body ) {
-		$notification = json_decode( $request_body );
+	public function process_webhook($request_body) {
+		$notification = json_decode($request_body);
 
 		/*
 		 * Hacky way to possibly prevent duplicate requests due to
 		 * frontend request and webhook payment firing at the same
 		 * time.
 		 */
-		sleep( 10 );
+		sleep(10);
 
-		switch ( $notification->type ) {
+		switch ($notification->type) {
 			case 'source.chargeable':
-				$this->process_webhook_payment( $notification );
+				$this->process_webhook_payment($notification);
 				break;
 
 			case 'source.canceled':
-				$this->process_webhook_source_canceled( $notification );
+				$this->process_webhook_source_canceled($notification);
 				break;
 
 			case 'charge.succeeded':
-				$this->process_webhook_charge_succeeded( $notification );
+				$this->process_webhook_charge_succeeded($notification);
 				break;
 
 			case 'charge.failed':
-				$this->process_webhook_charge_failed( $notification );
+				$this->process_webhook_charge_failed($notification);
 				break;
 
 			case 'charge.captured':
-				$this->process_webhook_capture( $notification );
+				$this->process_webhook_capture($notification);
 				break;
 
 			case 'charge.dispute.created':
-				$this->process_webhook_dispute( $notification );
+				$this->process_webhook_dispute($notification);
 				break;
 
 			case 'charge.refunded':
-				$this->process_webhook_refund( $notification );
+				$this->process_webhook_refund($notification);
 				break;
 
 		}