/**
* Gets saved tokens from API if they don't already exist in WooCommerce.
* @param array $tokens
* @return array
*/
public function woocommerce_get_customer_payment_tokens($tokens, $customer_id, $gateway_id)
{
if (is_user_logged_in() && 'stripe' === $gateway_id && class_exists('WC_Payment_Token_CC')) {
$stripe_customer = new WC_Stripe_Customer($customer_id);
$stripe_cards = $stripe_customer->get_cards();
$stored_tokens = array();
foreach ($tokens as $token) {
$stored_tokens[] = $token->get_token();
}
foreach ($stripe_cards as $card) {
if (!in_array($card->id, $stored_tokens)) {
$token = new WC_Payment_Token_CC();
$token->set_token($card->id);
$token->set_gateway_id('stripe');
$token->set_card_type(strtolower($card->brand));
$token->set_last4($card->last4);
$token->set_expiry_month($card->exp_month);
$token->set_expiry_year($card->exp_year);
$token->set_user_id($customer_id);
$token->save();
$tokens[$token->get_id()] = $token;
}
}
}
return $tokens;
}