Redirect users with Gift Purchases to the Membership Account page on login

my_pmpro_gift_purchaser_login_redirect.php

<?php
/**
 * Redirect users with Gift Purchases to the Membership Account page on login
 * if no redirect has been set via the redirect_to URL parameter
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpro_gift_purchaser_login_redirect( $redirect_to, $requested_redirect_to, $user ) {
	// bail if PMPro or Gift Levels Add On is not active
	if ( ! function_exists( 'pmpro_url' ) || ! function_exists( 'pmprogl_pmpro_after_checkout' ) ) {
		return $redirect_to;
	}

	// bail if no user
	if ( empty( $user ) || empty( $user->ID ) ) {
		return $redirect_to;
	}
	
	// bail if a redirect destination was passed to login 
	if ( ! empty( $requested_redirect_to ) ) {
		return $redirect_to;
	}

	// get account page URL
	$account_page_url = pmpro_url( 'account' );
	
	// check if the user was not being redirecting to the account page
	if ( $redirect_to !== $account_page_url ) {
		// check if they had purchased a gift membership
		$gift_codes = get_user_meta( $user->ID, 'pmprogl_gift_codes_purchased', true );
		if ( ! empty( $gift_codes ) ) {
			// change login redirect location to Membership Account page
			$redirect_to = $account_page_url;
		}
	}

	return $redirect_to;
}
add_filter( 'login_redirect', 'my_pmpro_gift_purchaser_login_redirect', 20, 3 );