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<?php
declare( strict_types = 1 );
namespace WMDE\Fundraising\Frontend\Validation;
/**
* @licence GNU GPL v2+
* @author Kai Nissen < [email protected] >
*/
class AmountPolicyValidator {
private $maxAmountOneTime;
private $maxAmountRecurringAnnually;
const VIOLATION_TOO_HIGH = 'too_high';
public function __construct( int $maxAmountOneTime, int $maxAmountRecurringAnnually ) {
$this->maxAmountOneTime = $maxAmountOneTime;
$this->maxAmountRecurringAnnually = $maxAmountRecurringAnnually;
}
public function validate( float $amount, int $interval ): ValidationResult {
if ( $this->isOneTimeAmountTooHigh( $amount, $interval ) ||
$this->isAnuallyRecurringAmountTooHigh( $amount, $interval ) ) {
return new ValidationResult( new ConstraintViolation( $amount, self::VIOLATION_TOO_HIGH ) );
return new ValidationResult();
private function isOneTimeAmountTooHigh( float $amount, int $interval ): bool {
if ( $interval === 0 ) {
return $amount >= $this->maxAmountOneTime;
return false;
private function isAnuallyRecurringAmountTooHigh( float $amount, int $interval ): bool {
if ( $interval > 0 ) {
return ( 12 / $interval ) * $amount >= $this->maxAmountRecurringAnnually;
wmde /
FundraisingFrontend
