Woocommerce: How to check if coupon ever used by the user? - wordpress

Question

I create "text field" on woocommerce customer dashboard, that field is used to redeem coupon. Let say that i have coupon code "BIRTHDAY29" that i setup on woocommerce coupon to be used.
User input "BIRTHDAY29" on my "text field", and hit button "REDEEM" so the transaction is applied programaticaly on their transaction history.
How do i know How many times a coupon "BIRTHDAY29" was used by that user? i want to check if "BIRTHDAY29" is ever used by that user or not, then i want to do "something.." if BIRTHDAY29 ever used by that user.
Hope you guys understand what i mean, thankyou!!

Answer 1

Here you go:
function coupon_usage_for_customer( $coupon_code, $user_id = NULL, $email = NULL )
{
$usage = 0;
// There must either be a user ID or email address
if( empty( $user_id ) && empty( $email ) )
return FALSE;
$params = [
'limit' => -1,
'type' => 'shop_order'
];
if( ! empty( $user_id ) ){
$params['customer_id'] = $user_id;
}
else if( ! empty( $email ) ){
$params['billing_email'] = $email;
}
// Get orders of customer
$orders = wc_get_orders( $params );
// Check if coupon used
foreach( $orders as $order )
{
$coupons_used = $order->get_coupon_codes();
if(
is_array( $coupons_used ) &&
in_array( $coupon_code, $coupons_used )
){
$usage++;
}
}
return $usage;
}
add_action('woocommerce_after_register_post_type', function(){
$user_id = 12345;
$email = 'oneguy#example.com';
$birthday29usage = coupon_usage_for_customer( 'BIRTHDAY29', $user_id, $email );
if( ! $birthday29usage )
echo 'The user has not birthday 29ed...';
});