Created
July 11, 2016 14:40
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Logical Or Validation Constraint
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| /** | |
| * Constraint to validate any of the constraints added to it. | |
| * At least one constraint must pass validation. | |
| * | |
| * @Annotation | |
| * @Target({"PROPERTY", "METHOD", "ANNOTATION"}) | |
| */ | |
| class LogicalOr extends Composite | |
| { | |
| public $message = 'This value is not valid.'; | |
| public $constraints = array(); | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getDefaultOption() | |
| { | |
| return 'constraints'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getRequiredOptions() | |
| { | |
| return array('constraints'); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function validatedBy() | |
| { | |
| return 'logical_or_validator'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function getCompositeOption() | |
| { | |
| return 'constraints'; | |
| } | |
| } | |
| /** | |
| * Validates that at least one of the LogicalOr->constraints validation constraints are met. | |
| */ | |
| class LogicalOrValidator extends ConstraintValidator | |
| { | |
| /** | |
| * Changing the type hint on this property prevents deprecation notices. | |
| * | |
| * @see https://github.com/symfony/symfony/issues/11049#issuecomment-49328345 | |
| * | |
| * @var ExecutionContextInterface | |
| */ | |
| protected $context; | |
| /** | |
| * @var ConstraintValidatorFactoryInterface | |
| */ | |
| private $constraintValidatorFactory; | |
| /** | |
| * @param ConstraintValidatorFactoryInterface $constraintValidatorFactory | |
| */ | |
| public function __construct(ConstraintValidatorFactoryInterface $constraintValidatorFactory) | |
| { | |
| $this->constraintValidatorFactory = $constraintValidatorFactory; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function validate($value, Constraint $constraint) | |
| { | |
| if (!$constraint instanceof LogicalOr) { | |
| throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Any'); | |
| } | |
| if (null === $value || '' === $value) { | |
| return; | |
| } | |
| if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) { | |
| throw new UnexpectedTypeException($value, 'string'); | |
| } | |
| $isValid = false; | |
| $constraintViolations = $this->context->getViolations(); | |
| foreach ($constraint->constraints as $childConstraint) { | |
| if (!$childConstraint instanceof Constraint) { | |
| continue; | |
| } | |
| $preValidationViolationCount = count($constraintViolations); | |
| $validator = $this->constraintValidatorFactory->getInstance($childConstraint); | |
| $validator->initialize($this->context); | |
| $validator->validate($value, $childConstraint); | |
| // If a violation was not added after validation of any constraint then the "Any" constraint is met. | |
| if ($preValidationViolationCount === count($constraintViolations)) { | |
| $isValid = true; | |
| break; | |
| } | |
| } | |
| foreach ($constraintViolations as $key => $violation) { | |
| $constraintViolations->remove($key); | |
| } | |
| if (!$isValid) { | |
| $this->context->buildViolation($constraint->message) | |
| ->setParameter('{{ value }}', $this->formatValue($value)) | |
| ->addViolation(); | |
| } | |
| } | |
| } |
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