woocommerce / woocommerce-gateway-stripe

includes/class-wc-stripe-sepa-payment-token.php

Spacing +9 added lines, -9 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -35,10 +35,10 @@ 
 	 * @param  string $deprecated Deprecated since WooCommerce 3.0
 	 * @return string
 	 */
-	public function get_display_name( $deprecated = '' ) {
+	public function get_display_name($deprecated = '') {
 		$display = sprintf(
 			/* translators: last 4 digits of IBAN account */
-			__( 'SEPA IBAN ending in %s', 'woocommerce-gateway-stripe' ),
+			__('SEPA IBAN ending in %s', 'woocommerce-gateway-stripe'),
 			$this->get_last4()
 		);
 
@@ -66,11 +66,11 @@ 
 	 * @return boolean True if the passed data is valid
 	 */
 	public function validate() {
-		if ( false === parent::validate() ) {
+		if (false === parent::validate()) {
 			return false;
 		}
 
-		if ( ! $this->get_last4( 'edit' ) ) {
+		if ( ! $this->get_last4('edit')) {
 			return false;
 		}
 
@@ -85,8 +85,8 @@ 
 	 * @param  string $context
 	 * @return string Last 4 digits
 	 */
-	public function get_last4( $context = 'view' ) {
-		return $this->get_prop( 'last4', $context );
+	public function get_last4($context = 'view') {
+		return $this->get_prop('last4', $context);
 	}
 
 	/**
@@ -95,7 +95,7 @@ 
 	 * @version 4.0.0
 	 * @param string $last4
 	 */
-	public function set_last4( $last4 ) {
-		$this->set_prop( 'last4', $last4 );
+	public function set_last4($last4) {
+		$this->set_prop('last4', $last4);
 	}
 }

tests/phpunit/test-wc-stripe.php

Spacing +21 added lines, -21 removed lines

@@ -2,12 +2,12 @@ 
 
 class WC_Stripe_Test extends WP_UnitTestCase {
 	public function test_constants_defined() {
-		$this->assertTrue( defined( 'WC_STRIPE_VERSION' ) );
-		$this->assertTrue( defined( 'WC_STRIPE_MIN_PHP_VER' ) );
-		$this->assertTrue( defined( 'WC_STRIPE_MIN_WC_VER' ) );
-		$this->assertTrue( defined( 'WC_STRIPE_MAIN_FILE' ) );
-		$this->assertTrue( defined( 'WC_STRIPE_PLUGIN_URL' ) );
-		$this->assertTrue( defined( 'WC_STRIPE_PLUGIN_PATH' ) );
+		$this->assertTrue(defined('WC_STRIPE_VERSION'));
+		$this->assertTrue(defined('WC_STRIPE_MIN_PHP_VER'));
+		$this->assertTrue(defined('WC_STRIPE_MIN_WC_VER'));
+		$this->assertTrue(defined('WC_STRIPE_MAIN_FILE'));
+		$this->assertTrue(defined('WC_STRIPE_PLUGIN_URL'));
+		$this->assertTrue(defined('WC_STRIPE_PLUGIN_PATH'));
 	}
 
 	/**
@@ -15,11 +15,11 @@ 
 	 * This test will see if we're indeed converting the price correctly.
 	 */
 	public function test_price_conversion_before_send_to_stripe() {
-		$this->assertEquals( 10050, WC_Stripe_Helper::get_stripe_amount( 100.50, 'USD' ) );
-		$this->assertEquals( 10050, WC_Stripe_Helper::get_stripe_amount( 10050, 'JPY' ) );
-		$this->assertEquals( 100, WC_Stripe_Helper::get_stripe_amount( 100.50, 'JPY' ) );
-		$this->assertEquals( 10050, WC_Stripe_Helper::get_stripe_amount( 100.50 ) );
-		$this->assertInternalType( 'int', WC_Stripe_Helper::get_stripe_amount( 100.50, 'USD' ) );
+		$this->assertEquals(10050, WC_Stripe_Helper::get_stripe_amount(100.50, 'USD'));
+		$this->assertEquals(10050, WC_Stripe_Helper::get_stripe_amount(10050, 'JPY'));
+		$this->assertEquals(100, WC_Stripe_Helper::get_stripe_amount(100.50, 'JPY'));
+		$this->assertEquals(10050, WC_Stripe_Helper::get_stripe_amount(100.50));
+		$this->assertInternalType('int', WC_Stripe_Helper::get_stripe_amount(100.50, 'USD'));
 	}
 
 	/**
@@ -33,37 +33,37 @@ 
 		$balance_fee1->net = 10000;
 		$balance_fee1->currency = 'USD';
 
-		$this->assertEquals( 105.00, WC_Stripe_Helper::format_balance_fee( $balance_fee1, 'fee' ) );
+		$this->assertEquals(105.00, WC_Stripe_Helper::format_balance_fee($balance_fee1, 'fee'));
 
 		$balance_fee2 = new stdClass();
 		$balance_fee2->fee = 10500;
 		$balance_fee2->net = 10000;
 		$balance_fee2->currency = 'JPY';
 
-		$this->assertEquals( 10500, WC_Stripe_Helper::format_balance_fee( $balance_fee2, 'fee' ) );
+		$this->assertEquals(10500, WC_Stripe_Helper::format_balance_fee($balance_fee2, 'fee'));
 
 		$balance_fee3 = new stdClass();
 		$balance_fee3->fee = 10500;
 		$balance_fee3->net = 10000;
 		$balance_fee3->currency = 'USD';
 
-		$this->assertEquals( 100.00, WC_Stripe_Helper::format_balance_fee( $balance_fee3, 'net' ) );
+		$this->assertEquals(100.00, WC_Stripe_Helper::format_balance_fee($balance_fee3, 'net'));
 
 		$balance_fee4 = new stdClass();
 		$balance_fee4->fee = 10500;
 		$balance_fee4->net = 10000;
 		$balance_fee4->currency = 'JPY';
 
-		$this->assertEquals( 10000, WC_Stripe_Helper::format_balance_fee( $balance_fee4, 'net' ) );
+		$this->assertEquals(10000, WC_Stripe_Helper::format_balance_fee($balance_fee4, 'net'));
 
 		$balance_fee5 = new stdClass();
 		$balance_fee5->fee = 10500;
 		$balance_fee5->net = 10000;
 		$balance_fee5->currency = 'USD';
 
-		$this->assertEquals( 105.00, WC_Stripe_Helper::format_balance_fee( $balance_fee5 ) );
+		$this->assertEquals(105.00, WC_Stripe_Helper::format_balance_fee($balance_fee5));
 
-		$this->assertInternalType( 'string', WC_Stripe_Helper::format_balance_fee( $balance_fee5 ) );
+		$this->assertInternalType('string', WC_Stripe_Helper::format_balance_fee($balance_fee5));
 	}
 
 	/**
@@ -76,27 +76,27 @@ 
 			'expected' => 'Tests Store',
 		);
 
-		$this->assertEquals( $statement_descriptor1['expected'], WC_Stripe_Helper::clean_statement_descriptor( $statement_descriptor1['actual'] ) );
+		$this->assertEquals($statement_descriptor1['expected'], WC_Stripe_Helper::clean_statement_descriptor($statement_descriptor1['actual']));
 
 		$statement_descriptor2 = array(
 			'actual'   => 'Test\'s Store > Driving Course Range',
 			'expected' => 'Tests Store  Driving C',
 		);
 
-		$this->assertEquals( $statement_descriptor2['expected'], WC_Stripe_Helper::clean_statement_descriptor( $statement_descriptor2['actual'] ) );
+		$this->assertEquals($statement_descriptor2['expected'], WC_Stripe_Helper::clean_statement_descriptor($statement_descriptor2['actual']));
 
 		$statement_descriptor3 = array(
 			'actual'   => 'Test\'s Store < Driving Course Range',
 			'expected' => 'Tests Store  Driving C',
 		);
 
-		$this->assertEquals( $statement_descriptor3['expected'], WC_Stripe_Helper::clean_statement_descriptor( $statement_descriptor3['actual'] ) );
+		$this->assertEquals($statement_descriptor3['expected'], WC_Stripe_Helper::clean_statement_descriptor($statement_descriptor3['actual']));
 
 		$statement_descriptor4 = array(
 			'actual'   => 'Test\'s Store " Driving Course Range',
 			'expected' => 'Tests Store  Driving C',
 		);
 
-		$this->assertEquals( $statement_descriptor4['expected'], WC_Stripe_Helper::clean_statement_descriptor( $statement_descriptor4['actual'] ) );
+		$this->assertEquals($statement_descriptor4['expected'], WC_Stripe_Helper::clean_statement_descriptor($statement_descriptor4['actual']));
 	}
 }

includes/deprecated/class-wc-stripe-apple-pay.php

Spacing +5 added lines, -5 removed lines

@@ -1,12 +1,12 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
 /**
  * DEPRECATED DO NOT USE!!
  */
-if ( ! class_exists( 'WC_Stripe_Apple_Pay' ) ) {
+if ( ! class_exists('WC_Stripe_Apple_Pay')) {
 	class WC_Stripe_Apple_Pay {
 		/**
 		 * This Instance.
@@ -20,15 +20,15 @@ 
 		}
 
 		public static function instance() {
-			WC_Stripe_Logger::log( 'DEPRECATED! WC_Stripe_Apple_Pay class has been hard deprecated. Please remove any code that references this class or instance. This class will be removed by version 4.2' );
+			WC_Stripe_Logger::log('DEPRECATED! WC_Stripe_Apple_Pay class has been hard deprecated. Please remove any code that references this class or instance. This class will be removed by version 4.2');
 			return self::$_this;
 		}
 
-		public function __get( $var ) {
+		public function __get($var) {
 			return null;
 		}
 
-		public function __call( $name, $arguments ) {
+		public function __call($name, $arguments) {
 			return null;
 		}
 	}

includes/class-wc-stripe-exception.php

Spacing +3 added lines, -3 removed lines

@@ -7,7 +7,7 @@ 
  * @since 4.0.2
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -23,9 +23,9 @@ 
 	 * @param string $error_message Full response
 	 * @param string $localized_message user-friendly translated error message
 	 */
-	public function __construct( $error_message = '', $localized_message = '' ) {
+	public function __construct($error_message = '', $localized_message = '') {
 		$this->localized_message = $localized_message;
-		parent::__construct( $error_message );
+		parent::__construct($error_message);
 	}
 
 	/**

uninstall.php

Spacing +28 added lines, -28 removed lines

@@ -1,10 +1,10 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
 // if uninstall not called from WordPress exit
-if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
+if ( ! defined('WP_UNINSTALL_PLUGIN')) {
 	exit;
 }
 
@@ -13,31 +13,31 @@ 
  * wp-config.php. This is to prevent data loss when deleting the plugin from the backend
  * and to ensure only the site owner can perform this action.
  */
-if ( defined( 'WC_REMOVE_ALL_DATA' ) && true === WC_REMOVE_ALL_DATA ) {
+if (defined('WC_REMOVE_ALL_DATA') && true === WC_REMOVE_ALL_DATA) {
 	// Delete options.
-	delete_option( 'woocommerce_stripe_settings' );
-	delete_option( 'wc_stripe_show_styles_notice' );
-	delete_option( 'wc_stripe_show_request_api_notice' );
-	delete_option( 'wc_stripe_show_apple_pay_notice' );
-	delete_option( 'wc_stripe_show_ssl_notice' );
-	delete_option( 'wc_stripe_show_keys_notice' );
-	delete_option( 'wc_stripe_show_alipay_notice' );
-	delete_option( 'wc_stripe_show_bancontact_notice' );
-	delete_option( 'wc_stripe_show_bitcoin_notice' );
-	delete_option( 'wc_stripe_show_eps_notice' );
-	delete_option( 'wc_stripe_show_giropay_notice' );
-	delete_option( 'wc_stripe_show_ideal_notice' );
-	delete_option( 'wc_stripe_show_multibanco_notice' );
-	delete_option( 'wc_stripe_show_p24_notice' );
-	delete_option( 'wc_stripe_show_sepa_notice' );
-	delete_option( 'wc_stripe_show_sofort_notice' );
-	delete_option( 'wc_stripe_version' );
-	delete_option( 'woocommerce_stripe_bancontact_settings' );
-	delete_option( 'woocommerce_stripe_alipay_settings' );
-	delete_option( 'woocommerce_stripe_bitcoin_settings' );
-	delete_option( 'woocommerce_stripe_ideal_settings' );
-	delete_option( 'woocommerce_stripe_p24_settings' );
-	delete_option( 'woocommerce_stripe_giropay_settings' );
-	delete_option( 'woocommerce_stripe_sepa_settings' );
-	delete_option( 'woocommerce_stripe_sofort_settings' );
+	delete_option('woocommerce_stripe_settings');
+	delete_option('wc_stripe_show_styles_notice');
+	delete_option('wc_stripe_show_request_api_notice');
+	delete_option('wc_stripe_show_apple_pay_notice');
+	delete_option('wc_stripe_show_ssl_notice');
+	delete_option('wc_stripe_show_keys_notice');
+	delete_option('wc_stripe_show_alipay_notice');
+	delete_option('wc_stripe_show_bancontact_notice');
+	delete_option('wc_stripe_show_bitcoin_notice');
+	delete_option('wc_stripe_show_eps_notice');
+	delete_option('wc_stripe_show_giropay_notice');
+	delete_option('wc_stripe_show_ideal_notice');
+	delete_option('wc_stripe_show_multibanco_notice');
+	delete_option('wc_stripe_show_p24_notice');
+	delete_option('wc_stripe_show_sepa_notice');
+	delete_option('wc_stripe_show_sofort_notice');
+	delete_option('wc_stripe_version');
+	delete_option('woocommerce_stripe_bancontact_settings');
+	delete_option('woocommerce_stripe_alipay_settings');
+	delete_option('woocommerce_stripe_bitcoin_settings');
+	delete_option('woocommerce_stripe_ideal_settings');
+	delete_option('woocommerce_stripe_p24_settings');
+	delete_option('woocommerce_stripe_giropay_settings');
+	delete_option('woocommerce_stripe_sepa_settings');
+	delete_option('woocommerce_stripe_sofort_settings');
 }

templates/emails/plain/failed-renewal-authentication.php

Spacing +4 added lines, -4 removed lines

@@ -1,17 +1,17 @@
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
 echo $email_heading . "\n\n";
 
 // translators: %1$s: name of the blog, %2$s: link to checkout payment url, note: no full stop due to url at the end
-printf( esc_html_x( 'The automatic payment to renew your subscription with %1$s has failed. To reactivate the subscription, please login and authorize the renewal from your account page: %2$s', 'In failed renewal authentication email', 'woocommerce-gateway-stripe' ), esc_html( get_bloginfo( 'name' ) ), esc_attr( $authorization_url ) );
+printf(esc_html_x('The automatic payment to renew your subscription with %1$s has failed. To reactivate the subscription, please login and authorize the renewal from your account page: %2$s', 'In failed renewal authentication email', 'woocommerce-gateway-stripe'), esc_html(get_bloginfo('name')), esc_attr($authorization_url));
 
 echo "\n\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n";
 
-do_action( 'woocommerce_subscriptions_email_order_details', $order, $sent_to_admin, $plain_text, $email );
+do_action('woocommerce_subscriptions_email_order_details', $order, $sent_to_admin, $plain_text, $email);
 
 echo "\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";
 
-echo apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) );
+echo apply_filters('woocommerce_email_footer_text', get_option('woocommerce_email_footer_text'));

templates/emails/failed-renewal-authentication.php

Spacing +5 added lines, -5 removed lines

@@ -1,17 +1,17 @@
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 ?>
 
-<?php do_action( 'woocommerce_email_header', $email_heading, $email ); ?>
+<?php do_action('woocommerce_email_header', $email_heading, $email); ?>
 
 <p>
 	<?php
 	// translators: %1$s: name of the blog, %2$s: link to payment re-authentication URL, note: no full stop due to url at the end
-	echo wp_kses( sprintf( _x( 'The automatic payment to renew your subscription with %1$s has failed. To reactivate the subscription, please login and authorize the renewal from your account page: %2$s', 'In failed renewal authentication email', 'woocommerce-gateway-stripe' ), esc_html( get_bloginfo( 'name' ) ), '<a href="' . esc_url( $authorization_url ) . '">' . esc_html__( 'Authorize the payment &raquo;', 'woocommerce-gateway-stripe' ) . '</a>' ), array( 'a' => array( 'href' => true ) ) ); ?>
+	echo wp_kses(sprintf(_x('The automatic payment to renew your subscription with %1$s has failed. To reactivate the subscription, please login and authorize the renewal from your account page: %2$s', 'In failed renewal authentication email', 'woocommerce-gateway-stripe'), esc_html(get_bloginfo('name')), '<a href="' . esc_url($authorization_url) . '">' . esc_html__('Authorize the payment &raquo;', 'woocommerce-gateway-stripe') . '</a>'), array('a' => array('href' => true))); ?>
 </p>
 
-<?php do_action( 'woocommerce_subscriptions_email_order_details', $order, $sent_to_admin, $plain_text, $email ); ?>
+<?php do_action('woocommerce_subscriptions_email_order_details', $order, $sent_to_admin, $plain_text, $email); ?>
 
-<?php do_action( 'woocommerce_email_footer', $email ); ?>
+<?php do_action('woocommerce_email_footer', $email); ?>

includes/compat/class-wc-stripe-email-failed-authentication.php

Spacing +14 added lines, -14 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit; // Exit if accessed directly.
 }
 
@@ -30,7 +30,7 @@ 
 				'email_heading'     => $this->get_heading(),
 				'sent_to_admin'     => false,
 				'plain_text'        => false,
-				'authorization_url' => $this->get_authorization_url( $this->object ),
+				'authorization_url' => $this->get_authorization_url($this->object),
 				'email'             => $this,
 			),
 			'',
@@ -53,7 +53,7 @@ 
 				'email_heading'     => $this->get_heading(),
 				'sent_to_admin'     => false,
 				'plain_text'        => true,
-				'authorization_url' => $this->get_authorization_url( $this->object ),
+				'authorization_url' => $this->get_authorization_url($this->object),
 				'email'             => $this,
 			),
 			'',
@@ -68,8 +68,8 @@ 
 	 * @param WC_Order $order The order whose payment needs authentication.
 	 * @return string
 	 */
-	public function get_authorization_url( $order ) {
-		return add_query_arg( 'wc-stripe-confirmation', 1, $order->get_checkout_payment_url( false ) );
+	public function get_authorization_url($order) {
+		return add_query_arg('wc-stripe-confirmation', 1, $order->get_checkout_payment_url(false));
 	}
 
 	/**
@@ -81,9 +81,9 @@ 
 
 		$this->form_fields = array(
 			'enabled'    => array(
-				'title'   => _x( 'Enable/Disable', 'an email notification', 'woocommerce-gateway-stripe' ),
+				'title'   => _x('Enable/Disable', 'an email notification', 'woocommerce-gateway-stripe'),
 				'type'    => 'checkbox',
-				'label'   => __( 'Enable this email notification', 'woocommerce-gateway-stripe' ),
+				'label'   => __('Enable this email notification', 'woocommerce-gateway-stripe'),
 				'default' => 'yes',
 			),
 
@@ -98,29 +98,29 @@ 
 	 *
 	 * @param WC_Order $order The renewal order whose payment failed.
 	 */
-	public function trigger( $order ) {
-		if ( ! $this->is_enabled() ) {
+	public function trigger($order) {
+		if ( ! $this->is_enabled()) {
 			return;
 		}
 
 		$this->object = $order;
 
-		if ( method_exists( $order, 'get_billing_email' ) ) {
+		if (method_exists($order, 'get_billing_email')) {
 			$this->recipient = $order->get_billing_email();
 		} else {
 			$this->recipient = $order->billing_email;
 		}
 
 		$this->find['order_date'] = '{order_date}';
-		if ( function_exists( 'wc_format_datetime' ) ) { // WC 3.0+
-			$this->replace['order_date'] = wc_format_datetime( $order->get_date_created() );
+		if (function_exists('wc_format_datetime')) { // WC 3.0+
+			$this->replace['order_date'] = wc_format_datetime($order->get_date_created());
 		} else { // WC < 3.0
-			$this->replace['order_date'] = $order->date_created->date_i18n( wc_date_format() );
+			$this->replace['order_date'] = $order->date_created->date_i18n(wc_date_format());
 		}
 
 		$this->find['order_number']    = '{order_number}';
 		$this->replace['order_number'] = $order->get_order_number();
 
-		$this->send( $this->get_recipient(), $this->get_subject(), $this->get_content(), $this->get_headers(), $this->get_attachments() );
+		$this->send($this->get_recipient(), $this->get_subject(), $this->get_content(), $this->get_headers(), $this->get_attachments());
 	}
 }

includes/compat/class-wc-stripe-email-failed-preorder-authentication.php

Spacing +18 added lines, -18 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit; // Exit if accessed directly.
 }
 
@@ -21,20 +21,20 @@ 
 	 *
 	 * @param WC_Email[] $email_classes All existing instances of WooCommerce emails.
 	 */
-	public function __construct( $email_classes = array() ) {
+	public function __construct($email_classes = array()) {
 		$this->id             = 'failed_preorder_sca_authentication';
-		$this->title          = __( 'Pre-order Payment Action Needed', 'woocommerce-gateway-stripe' );
-		$this->description    = __( 'This is an order notification sent to the customer once a pre-order is complete, but additional payment steps are required.', 'woocommerce-gateway-stripe' );
+		$this->title          = __('Pre-order Payment Action Needed', 'woocommerce-gateway-stripe');
+		$this->description    = __('This is an order notification sent to the customer once a pre-order is complete, but additional payment steps are required.', 'woocommerce-gateway-stripe');
 		$this->customer_email = true;
 
 		$this->template_html  = 'emails/failed-preorder-authentication.php';
 		$this->template_plain = 'emails/plain/failed-preorder-authentication.php';
-		$this->template_base  = plugin_dir_path( WC_STRIPE_MAIN_FILE ) . 'templates/';
+		$this->template_base  = plugin_dir_path(WC_STRIPE_MAIN_FILE) . 'templates/';
 
 		// Use the "authentication required" hook to add the correct, later hook.
-		add_action( 'wc_gateway_stripe_process_payment_authentication_required', array( $this, 'trigger' ) );
+		add_action('wc_gateway_stripe_process_payment_authentication_required', array($this, 'trigger'));
 
-		if ( isset( $email_classes['WC_Pre_Orders_Email_Pre_Order_Available'] ) ) {
+		if (isset($email_classes['WC_Pre_Orders_Email_Pre_Order_Available'])) {
 			$this->original_email = $email_classes['WC_Pre_Orders_Email_Pre_Order_Available'];
 		}
 
@@ -48,13 +48,13 @@ 
 	 *
 	 * @param WC_Order $order The order whose payment is failing.
 	 */
-	public function trigger( $order ) {
-		if ( class_exists( 'WC_Pre_Orders_Order' ) && WC_Pre_Orders_Order::order_contains_pre_order( $order->get_id() ) ) {
-			if ( isset( $this->original_email ) ) {
-				remove_action( 'wc_pre_order_status_completed_notification', array( $this->original_email, 'trigger' ), 10, 2 );
+	public function trigger($order) {
+		if (class_exists('WC_Pre_Orders_Order') && WC_Pre_Orders_Order::order_contains_pre_order($order->get_id())) {
+			if (isset($this->original_email)) {
+				remove_action('wc_pre_order_status_completed_notification', array($this->original_email, 'trigger'), 10, 2);
 			}
 
-			add_action( 'wc_pre_orders_pre_order_completed', array( $this, 'send_email' ), 10, 2 );
+			add_action('wc_pre_orders_pre_order_completed', array($this, 'send_email'), 10, 2);
 		}
 	}
 
@@ -64,14 +64,14 @@ 
 	 * @param WC_Order $order The order that is being paid.
 	 * @param string   $message The message, which should be added to the email.
 	 */
-	public function send_email( $order, $message ) {
+	public function send_email($order, $message) {
 		$this->custom_message = $message;
 
-		parent::trigger( $order );
+		parent::trigger($order);
 
 		// Restore the action of the original email for other bulk actions.
-		if ( isset( $this->original_email ) ) {
-			add_action( 'wc_pre_order_status_completed_notification', array( $this->original_email, 'trigger' ), 10, 2 );
+		if (isset($this->original_email)) {
+			add_action('wc_pre_order_status_completed_notification', array($this->original_email, 'trigger'), 10, 2);
 		}
 	}
 
@@ -81,7 +81,7 @@ 
 	 * @return string
 	 */
 	public function get_default_subject() {
-		return __( 'Payment authorization needed for pre-order {order_number}', 'woocommerce-gateway-stripe' );
+		return __('Payment authorization needed for pre-order {order_number}', 'woocommerce-gateway-stripe');
 	}
 
 	/**
@@ -90,7 +90,7 @@ 
 	 * @return string
 	 */
 	public function get_default_heading() {
-		return __( 'Payment authorization needed for pre-order {order_number}', 'woocommerce-gateway-stripe' );
+		return __('Payment authorization needed for pre-order {order_number}', 'woocommerce-gateway-stripe');
 	}
 
 	/**