我正在開發一個插件來將我的 WooCommerce 商店與第三方集成，作為集成的一部分，我需要向客戶發送一封包含一些許可證密鑰的新電子郵件。電子郵件發送功能很好，類及其模板按預期作業，但電子郵件發送了兩次，我不知道為什么。
我梳理了新的電子郵件類，并將其與普通的 WooCommerce 電子郵件類進行了比較，但不知道我哪里出錯了。我還嘗試使用if (did_action( 'woocommerce_order_status_completed_notification' ) === 1) {}檢查將觸發功能限制為一封電子郵件，即使它仍然發送兩封。
我的電子郵件類的代碼在這里，這是我假設問題所在，因為除了默認的 WooCommerce 鉤子之外，它不與任何其他東西互動，這些鉤子與香草電子郵件按預期作業。我已經用許多不同的鉤子（包括普通的 WooCommerce 鉤子和我從插件代碼中呼叫的鉤子）對其進行了測驗，無論如何我都會收到同樣的雙封電子郵件。如果有人能看到我哪里出錯了，那將非常有幫助！
<?php
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
if ( ! class_exists( 'Foundry_Code_Email', false ) ) :
class Foundry_Code_Email extends WC_Email {
/**
* Set email defaults
*/
public function __construct() {
$this->id = 'foundry_code_email'; // Unique ID for custom email
$this->customer_email = true; // Is a customer email
$this->title = __( 'Foundry Premium Content Email', 'woocommerce' ); // Title field in WooCommerce Email settings
$this->description = __( 'Foundry email is sent when customer purchases Foundry Premium Content', 'woocommerce' ); // Description field in WooCommerce email settings
$this->template_base = WP_PLUGIN_DIR . '/foundry-premium-content/templates/';
$this->template_html = 'emails/foundry-code-email.php';
$this->template_plain = 'emails/plain/foundry-code-email.php';
// $this->template_html = 'emails/customer-refunded-order.php';
$this->placeholders = array(
// '{site_title}' => $this->get_blogname(),
'{order_date}' => '',
'{order_number}' => '',
);
// Trigger email when woocommerce_order_status_completed_notification is called when payment is complete - double email debug
add_action( 'woocommerce_order_status_completed_notification', array( $this, 'trigger' ), 10, 2 );
// Call parent constructor to load any other defaults not explicitly defined here.
parent::__construct();
}
/**
* Prepares email content and triggers the email
*
* @param int $order_id
*/
public function trigger( $order_id, $order = false ) {
$this->setup_locale();
if ( $order_id && ! is_a( $order, 'WC_Order') ) {
$order = wc_get_order( $order_id );
}
if ( is_a( $order, 'WC_Order' ) ) {
$this->object = $order;
$this->recipient = $this->object->get_billing_email();
$this->placeholders['{order_date}'] = wc_format_datetime( $this->object->get_date_created() );
$this->placeholders['{order_number}'] = $this->object->get_order_number();
// Maybe include an additional check to make sure that stuff happened
}
if ( $this->is_enabled() && $this->get_recipient() ) {
// All well, send the email
$this->send ( $this->get_recipient(), $this->get_subject(), $this->get_content(), $this->get_headers(), $this->get_attachments() );
}
$this->restore_locale();
// Add order note about the same
$this->object->add_order_note( sprintf(__('%s email sent to the customer.', 'woocommerce'), $this->get_title() ) );
// Set order meta to indicate that the welcome email was sent
update_post_meta( $order_id, 'foundry_code_email_sent', 1);
}
/**
* Get email subject.
*
* @since 3.1.0
* @return string
*/
public function get_default_subject() {
return __( '{site_title}: Foundry VTT Premium Content Codes', 'woocommerce' );
}
/**
* Get email heading
*
* @since 3.1.0
* @return string
*/
public function get_default_heading() {
return __('Your Foundry Premium Content Codes', 'woocommerce' );
}
/**
* get_content_html function
*
* @return string
*/
public function get_content_html() {
return wc_get_template_html(
$this->template_html,
array(
'order' => $this->object,
'email_heading' => $this->get_heading(),
'additional_content' => $this->get_additional_content(),
'sent_to_admin' => false,
'plain_text' => false,
'email' => $this,
), '', $this->template_base
);
}
public function get_content_plain() {
return wc_get_template_html(
$this->template_plain,
array(
'order' => $this->object,
'email_heading' => $this->get_heading(),
'additional_content' => $this->get_additional_content(),
'sent_to_admin' => false,
'plain_text' => true,
'email' => $this,
), '', $this->template_base
);
}
public function get_default_additional_content() {
return __( 'Thanks for shopping with us.', 'woocommerce' );
}
/*
* Initialise settings form fields
*/
public function init_form_fields() {
$this->form_fields = array(
'enabled' => array(
'title' => __( 'Enable/Disable', 'woocommerce' ),
'type' => 'checkbox',
'label' => 'Enable this email notification',
'default' => 'yes'
),
'subject' => array(
'title' => __( 'Subject', 'woocommerce' ),
'type' => 'text',
'desc_tip' => true,
'description' => sprintf( 'This controls the email subject line. Leave blank to use the default subject: <code>%s</code>.', $this->get_subject() ),
'placeholder' => $this->get_default_subject(),
'default' => ''
),
'heading' => array(
'title' => __( 'Email Heading', 'woocommerce' ),
'type' => 'text',
'desc_tip' => true,
'description' => sprintf( __( 'This controls the main heading contained within the email notification. Leave blank to use the default heading: <code>%s</code>.' ), $this->get_heading() ),
'placeholder' => $this->get_default_heading(),
'default' => ''
),
'email_type' => array(
'title' => __( 'Email type', 'woocommerce'),
'type' => 'select',
'description' => __( 'Choose which format of email to send.', 'woocommerce' ),
'default' => 'html',
'class' => 'email_type wc-enhanced-select',
'options' => $this->get_email_type_options(),
'desc_tip' => true,
)
);
}
}
endif;
return new Foundry_Code_Email();
?>
uj5u.com熱心網友回復：
我發現這個問題的根本問題是我兩次回傳電子郵件類：一次在類檔案本身中，一次在我的整體函式檔案中。
這是我在那個函式檔案中的舊代碼：
function fpc_custom_woocommerce_emails( $email_classes ) {
// Custom email for Foundry Premium Content
$plugin_dir = dirname(__DIR__);
include_once( $plugin_dir . '/Includes/class-foundry-code-email.php' );
$email_classes['Foundry_Code_Email'] = new Foundry_Code_Email(); // Add to the list of email classes that WooCommerce loads.
return $email_classes;
}
這是該檔案中修改后的代碼：
function fpc_custom_woocommerce_emails( $email_classes ) {
// Custom email for Foundry Premium Content
$plugin_dir = dirname(__DIR__);
$email_classes['Foundry_Code_Email'] = include_once( $plugin_dir . '/Includes/class-foundry-code-email.php' );
return $email_classes;
}
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