/**
* Check a currency code is valid ISO4217.
*/
public function checkCurrency($currency)
{
// Validate against the ISO4217 metadata and throw an exception if needed.
// The card handler still may not accept this currency, but at least it will
// be a valid currency code.
$currency = strtoupper($currency);
if (!\Academe\SagePay\Metadata\Iso4217::checkCurrency($currency)) {
throw new Exception\InvalidArgumentException("Invalid currency code '{$currency}'");
}
return $currency;
}
public function validate($server)
{
$this->clearErrors();
$metaData = Transaction::get('array');
// Check the currency is a valid one
if (!Metadata\Iso4217::checkCurrency($server->getField('Currency'))) {
$this->addError('Currency', $this->CURRENCY_INVALID);
}
$this->validateAmount($server->getField('Amount'));
// Perform some general validations and return ourself
return parent::validate($server);
}
/**
* Format a monetory amount to the relavant number of decimal places as required by SagePay.
*/
public static function formatAmount($amount, $currency)
{
// We need a numeric value for the amount, so make sure it is, even if it is a number in a string.
if (!is_numeric($amount)) {
$amount = 0;
}
// Get the minor unit of the currency - the number of digits after the decimal point.
// SagePay requires the amount to be padded out to the exact number of decimal places,
// and that will vary from one currency to another.
// At least the decimal point (dot) has been agreed to as a standard whole/decimal separator.
// If the minor unit is null, then the currency code is not valid.
$minor_unit = \Academe\SagePay\Metadata\Iso4217::minorUnit($currency);
return isset($minor_unit) ? number_format($amount, $minor_unit, '.', '') : null;
}
/**
* Format a monetory amount to the relavant number of decimal places as required by SagePay.
*/
public static function formatAmount($amount, $currency)
{
// We need a numeric value for the amount, so make sure it is, even if it is a number in a string.
//if ( ! is_numeric($amount)) $amount = 0;
// Get the minor unit of the currency - the number of digits after the decimal point.
// SagePay requires the amount to be padded out to the exact number of decimal places,
// and that will vary from one currency to another.
// At least the decimal point (dot) has been agreed to as a standard whole/decimal separator.
// If the minor unit is null, then the currency code is not valid.
$minor_unit = \Academe\SagePay\Metadata\Iso4217::minorUnit($currency);
if (!isset($minor_unit)) {
throw new Exception\InvalidArgumentException("Invalid currency code '{$currency}'");
}
// Do a regex check, if a string.
if (is_string($amount)) {
if (!preg_match('/^[0-9][0-9,]*(\\.[0-9]{0,' . $minor_unit . '})?$/', $amount)) {
throw new Exception\InvalidArgumentException("Invalid amount format '{$amount}'");
}
// Remove any comma thousands separators.
$amount = str_replace(',', '', $amount);
}
return isset($minor_unit) ? number_format((double) $amount, $minor_unit, '.', '') : null;
}
/**
* Set the currency for amount formatting.
* The three-character ISO4217 currency code is required.
*/
public function setCurrency($currency)
{
$currency = strtoupper($currency);
if (!Metadata\Iso4217::checkCurrency($currency)) {
throw new Exception\InvalidArgumentException("Invalid currency code '{$currency}'");
}
$this->currency = $currency;
return $this;
}
