class AtLeastOneOfConstraintValidator

class AtLeastOneOfConstraintValidator extends ConstraintValidator {
    
    /**
     * Validate a set of constraints against a value.
     *
     * This validator method is a copy of Symfony's AtLeastOneOf constraint. This
     * is necessary because Drupal does not support validation groups.
     *
     * @param mixed $value
     *   The value to validate.
     * @param \Symfony\Component\Validator\Constraint $constraint
     *   The constraint to validate against.
     */
    public function validate(mixed $value, Constraint $constraint) : void {
        if (!$constraint instanceof AtLeastOneOfConstraint) {
            throw new UnexpectedTypeException($constraint, AtLeastOneOfConstraint::class);
        }
        $validator = $this->context
            ->getValidator();
        // Build a first violation to have the base message of the constraint.
        $baseMessageContext = clone $this->context;
        $baseMessageContext->buildViolation($constraint->message)
            ->addViolation();
        $baseViolations = $baseMessageContext->getViolations();
        $messages = [
            (string) $baseViolations->get(\count($baseViolations) - 1)
                ->getMessage(),
        ];
        foreach ($constraint->constraints as $key => $item) {
            $context_group = $this->context
                ->getGroup();
            if (!\in_array($context_group, $item->groups, TRUE)) {
                continue;
            }
            $context = $this->context;
            $executionContext = clone $this->context;
            $executionContext->setNode($value, $this->context
                ->getObject(), $this->context
                ->getMetadata(), $this->context
                ->getPropertyPath());
            $violations = $validator->inContext($executionContext)
                ->validate($context->getObject(), $item)
                ->getViolations();
            $this->context = $context;
            if (\count($this->context
                ->getViolations()) === \count($violations)) {
                return;
            }
            if ($constraint->includeInternalMessages) {
                $message = ' [' . ($key + 1) . '] ';
                if ($item instanceof All || $item instanceof Collection) {
                    $message .= $constraint->messageCollection;
                }
                else {
                    $message .= $violations->get(\count($violations) - 1)
                        ->getMessage();
                }
                $messages[] = $message;
            }
        }
        $this->context
            ->buildViolation(implode('', $messages))
            ->addViolation();
    }

}