exchange_rate_to_vnd = (int) $exchange_rate_to_vnd;
$this->paypal_currency = $paypal_currency;
// Add VND to the PayPal supported currencies
add_filter( 'woocommerce_paypal_supported_currencies', array( $this, 'add_vnd_paypal_valid_currency' ) );
// Covert VND prices to the selected currency (by default, it's USD) prices before checking out with PayPal Standard
add_filter( 'woocommerce_paypal_args', array( $this, 'convert_prices' ), 11 );
// Add the exchange rate info for this gateway in the checkout page before proceeding in the PayPal pages
add_filter( 'option_woocommerce_paypal_settings', array( $this, 'add_exchange_rate_info' ), 11 );
// Remove checks on currency and gross (total) values
add_action( 'woocommerce_api_wc_gateway_paypal', array( $this, 'remove_currency_and_total_checks' ), 5 );
}
/**
* @param $currencies
*
* @return mixed
*/
public function add_vnd_paypal_valid_currency( $currencies ) {
array_push( $currencies, 'VND' );
return $currencies;
}
/**
* @param $paypal_args
*
* @return mixed
*/
public function convert_prices( $paypal_args ) {
if ( $paypal_args['currency_code'] == 'VND' ) {
$paypal_args['currency_code'] = $this->paypal_currency;
$i = 1;
while ( isset( $paypal_args[ 'amount_' . $i ] ) ) {
$paypal_args[ 'amount_' . $i ] = round( $paypal_args[ 'amount_' . $i ] / $this->exchange_rate_to_vnd, 2 );
++ $i;
}
if ( $paypal_args['shipping_1'] > 0 ) {
$paypal_args['shipping_1'] = round( $paypal_args['shipping_1'] / $this->exchange_rate_to_vnd, 2 );
}
if ( $paypal_args['discount_amount_cart'] > 0 ) {
$paypal_args['discount_amount_cart'] = round( $paypal_args['discount_amount_cart'] / $this->exchange_rate_to_vnd, 2 );
}
if ( $paypal_args['tax_cart'] > 0 ) {
$paypal_args['tax_cart'] = round( $paypal_args['tax_cart'] / $this->exchange_rate_to_vnd, 2 );
}
}
return $paypal_args;
}
/**
* @param $value
*
* @return mixed
*/
public function add_exchange_rate_info( $value ) {
if ( ! is_admin() ) {
$value['description'] .= '
';
$value['description'] .=
sprintf( __( 'The prices will be converted to %1$s in the PayPal pages with the exchange rate %2$s.', 'woo-viet' ),
" $this->paypal_currency",
" $this->paypal_currency / VND = $this->exchange_rate_to_vnd"
);
}
return $value;
}
/**
* Remove currency and total (gross) amount check in class WC_Gateway_Paypal_IPN_Handler
*
* @since 1.4.5
* @author htdat
*/
public function remove_currency_and_total_checks() {
// Remove these filters https://github.com/woocommerce/woocommerce/blob/3.7.1/includes/gateways/paypal/includes/class-wc-gateway-paypal-ipn-handler.php#L34-L35
remove_all_filters( 'woocommerce_api_wc_gateway_paypal', 10 );
remove_all_filters( 'valid-paypal-standard-ipn-request', 10 );
// Get values for PayPal Standard settings
// Ref: https://github.com/woocommerce/woocommerce/blob/3.7.1/includes/gateways/paypal/class-wc-gateway-paypal.php#L58-L61
$paypal_options = get_option( 'woocommerce_paypal_settings' );
$testmode = 'yes' === $paypal_options['testmode'];
$receiver_email = is_null( $paypal_options['receiver_email'] ) ? $paypal_options['email'] : $paypal_options['receiver_email'];
// Replace it by a child class of WC_Gateway_Paypal_IPN_Handler,
// which overrides/removes validate_currency() and validate_amount()
require_once dirname( __FILE__ ) . '/paypal-standard/class-woo-viet-wc-gateway-paypal-ipn-handler.php.php';
$handler = new Woo_Viet_WC_Gateway_Paypal_IPN_Handler( $testmode, $receiver_email ); //@todo needs to handle the correct variables
$handler->check_response();
}
}