Włącz powiadomienia e-mail o niskim stanie magazynowym i braku towaru.

Kod

add_action( 'init', 'wp_dudecom_enable_stock_notifications' );

function wp_dudecom_enable_stock_notifications() {
    add_filter( 'woocommerce_email_classes', 'wp_dudecom_add_custom_email_classes' );
    add_action( 'woocommerce_low_stock_notification', 'wp_dudecom_trigger_low_stock_email' );
    add_action( 'woocommerce_no_stock_notification', 'wp_dudecom_trigger_no_stock_email' );
}

function wp_dudecom_add_custom_email_classes( $email_classes ) {
    require_once 'class-wp-dudecom-low-stock-email.php';
    require_once 'class-wp-dudecom-no-stock-email.php';

    $email_classes['WP_Dudecom_Low_Stock_Email'] = new WP_Dudecom_Low_Stock_Email();
    $email_classes['WP_Dudecom_No_Stock_Email'] = new WP_Dudecom_No_Stock_Email();

    return $email_classes;
}

function wp_dudecom_trigger_low_stock_email( $product ) {
    $mailer = WC()->mailer();
    $mails = $mailer->get_emails();
    if ( ! empty( $mails['WP_Dudecom_Low_Stock_Email'] ) ) {
        $mails['WP_Dudecom_Low_Stock_Email']->trigger( $product );
    }
}

function wp_dudecom_trigger_no_stock_email( $product ) {
    $mailer = WC()->mailer();
    $mails = $mailer->get_emails();
    if ( ! empty( $mails['WP_Dudecom_No_Stock_Email'] ) ) {
        $mails['WP_Dudecom_No_Stock_Email']->trigger( $product );
    }
}

class WP_Dudecom_Low_Stock_Email extends WC_Email {

    public function __construct() {
        $this->id = 'wp_dudecom_low_stock_email';
        $this->title = 'Low Stock Notification';
        $this->description = 'This email is sent when a product is low in stock.';
        $this->heading = 'Product Low in Stock';
        $this->subject = 'Low Stock Alert: {product_name}';
        $this->template_html = 'emails/wp-dudecom-low-stock-email.php';
        $this->template_plain = 'emails/plain/wp-dudecom-low-stock-email.php';

        add_action( 'wp_dudecom_low_stock_notification', array( $this, 'trigger' ), 10, 1 );

        parent::__construct();
    }

    public function trigger( $product ) {
        if ( ! $this->is_enabled() ) {
            return;
        }

        $this->object = $product;
        $this->recipient = get_option( 'admin_email' );

        $this->placeholders = array(
            '{product_name}' => $this->object->get_name(),
        );

        if ( ! $this->get_recipient() ) {
            return;
        }

        $this->send( $this->get_recipient(), $this->get_subject(), $this->get_content(), $this->get_headers(), $this->get_attachments() );
    }

    public function get_content_html() {
        return wc_get_template_html( $this->template_html, array(
            'email_heading' => $this->get_heading(),
            'product'       => $this->object,
            'sent_to_admin' => true,
            'plain_text'    => false,
            'email'         => $this,
        ) );
    }

    public function get_content_plain() {
        return wc_get_template_html( $this->template_plain, array(
            'email_heading' => $this->get_heading(),
            'product'       => $this->object,
            'sent_to_admin' => true,
            'plain_text'    => true,
            'email'         => $this,
        ) );
    }
}

class WP_Dudecom_No_Stock_Email extends WC_Email {

    public function __construct() {
        $this->id = 'wp_dudecom_no_stock_email';
        $this->title = 'Out of Stock Notification';
        $this->description = 'This email is sent when a product is out of stock.';
        $this->heading = 'Product Out of Stock';
        $this->subject = 'Out of Stock Alert: {product_name}';
        $this->template_html = 'emails/wp-dudecom-no-stock-email.php';
        $this->template_plain = 'emails/plain/wp-dudecom-no-stock-email.php';

        add_action( 'wp_dudecom_no_stock_notification', array( $this, 'trigger' ), 10, 1 );

        parent::__construct();
    }

    public function trigger( $product ) {
        if ( ! $this->is_enabled() ) {
            return;
        }

        $this->object = $product;
        $this->recipient = get_option( 'admin_email' );

        $this->placeholders = array(
            '{product_name}' => $this->object->get_name(),
        );

        if ( ! $this->get_recipient() ) {
            return;
        }

        $this->send( $this->get_recipient(), $this->get_subject(), $this->get_content(), $this->get_headers(), $this->get_attachments() );
    }

    public function get_content_html() {
        return wc_get_template_html( $this->template_html, array(
            'email_heading' => $this->get_heading(),
            'product'       => $this->object,
            'sent_to_admin' => true,
            'plain_text'    => false,
            'email'         => $this,
        ) );
    }

    public function get_content_plain() {
        return wc_get_template_html( $this->template_plain, array(
            'email_heading' => $this->get_heading(),
            'product'       => $this->object,
            'sent_to_admin' => true,
            'plain_text'    => true,
            'email'         => $this,
        ) );
    }
}