Delay early renewal order emails until after dates have been updated

delay-early-renewal-order-emails.php

<?php
/**
 * Plugin Name: Delay Early Renewal Order Emails
 * Plugin URI: https://gist.github.com/james-allan/ce82236d40e7b9ee5a1577631bbf364d
 * Description: Delays early renewal order emails until after the subscription dates have been updated.
 * Author: James Allan
 * Author URI: Prospress.com
 * Version: 1.0
 **/

class WCSCC_Delay_Early_Renewal_Order_Emails {

	protected static $renewal_order_email_actions = array(
		'woocommerce_order_status_pending_to_processing',
		'woocommerce_order_status_pending_to_completed',
		'woocommerce_order_status_failed_to_processing',
		'woocommerce_order_status_failed_to_completed',
		'woocommerce_order_status_completed',
	);

	protected static $delayed_early_renewal_order_emails = array();

	public static function init() {
		foreach ( self::$renewal_order_email_actions as $action ) {
			add_action( $action, array( __CLASS__, 'maybe_delay_early_renewal_order_email' ), 5 );
		}

		// Hooked in on 15 so we send emails after WCS_Cart_Early_Renewal::maybe_update_dates()
		add_action( 'subscriptions_activated_for_order', array( __CLASS__, 'send_any_delayed_renewal_emails' ), 15 );
	}

	public static function maybe_delay_early_renewal_order_email( $order_id ) {
		if ( ! function_exists( 'wcs_order_contains_early_renewal' ) || ! wcs_order_contains_early_renewal( $order_id ) ) {
			return;
		}

		// Prevent Subscriptions sending the email early.
		remove_action( current_filter(), 'WC_Subscriptions_Email::send_renewal_order_email' );

		// Record the order ID so we can send the email later.
		self::$delayed_early_renewal_order_emails[ $order_id ] = current_filter();
	}

	public static function send_any_delayed_renewal_emails( $order_id ) {
		// If we delayed the email for this order, send it now.
		if ( isset( self::$delayed_early_renewal_order_emails[ $order_id ] ) ) {
			do_action( self::$delayed_early_renewal_order_emails[ $order_id ] . '_renewal_notification', $order_id );
		}
	}
}
WCSCC_Delay_Early_Renewal_Order_Emails::init();