csv-validator/src/Deblan/Validator/Constraints/CsvValidator.php
2015-03-18 11:02:03 +01:00

100 lines
3.8 KiB
PHP

<?php
namespace Deblan\Validator\Constraints;
use Symfony\Component\Validator\Constraints\FileValidator;
use Symfony\Component\Validator\Constraint;
use Deblan\Csv\CsvParser;
class CsvValidator extends FileValidator
{
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Csv) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Csv');
}
$violations = count($this->context->getViolations());
parent::validate($value, $constraint);
if (null === $constraint->parser) {
throw new \RuntimeException('You must set a CSV parser.');
}
if (!is_object($constraint->parser) || !($value instanceof CsvParser)) {
throw new \RuntimeException('You must be an instance of Deblan\\Csv\\CsvParser.');
}
if (empty($constraint->fieldsConstraints) && empty($constraint->lineConstraints)) {
return;
}
$context = $this->context;
$parser = $constraint->parser;
$parser->setFilename($value);
$parser->parse();
foreach ($parser->getDatas() as $line => $data) {
if ($parser->getHasLegend() && $line === 0) {
continue;
}
foreach ($constraint->lineConstraints as $lineConstraint) {
$violations = $this->getConstraintViolations($context, $data, $lineConstraint);
foreach ($violations as $violation) {
$this->buildViolationInContext($context, $constraint->lineNotValidMessage)
->setParameter('{{ line }}', $line + 1)
->setParameter('{{ message }}', $violation->getMessage())
->setInvalidValue(null)
->setCode(Csv::LINE_NOT_VALID)
->addViolation();
}
}
foreach ($constraint->fieldsConstraints as $field => $fieldConstraints) {
if (!array_key_exists($field, $line)) {
$this->buildViolationInContext($context, $constraint->fieldNotDetectedMessage)
->setParameter('{{ field }}', ctype_digit($field) ? $field + 1 : $field)
->setParameter('{{ line }}', $line + 1)
->setParameter('{{ message }}', $violation->getMessage())
->setInvalidValue(null)
->setCode(Csv::FIELD_NOT_DETECTED)
->addViolation();
continue;
}
foreach ($fieldConstraints as $fieldConstraint) {
$violations = $this->getConstraintViolations($context, $data[$field], $fieldConstraint);
foreach ($violations as $violation) {
$this->buildViolationInContext($context, $constraint->fieldNotValidMessage)
->setParameter('{{ field }}', ctype_digit($field) ? $field + 1 : $field)
->setParameter('{{ line }}', $k + 1)
->setParameter('{{ message }}', $violation->getMessage())
->setInvalidValue(null)
->setCode(Csv::FIELD_NOT_VALID)
->addViolation();
}
}
}
}
}
protected function getConstraintViolations($context, $data, Constraint $constraint)
{
if ($context instanceof ExecutionContextInterface) {
$violations = $context->getValidator()
->inContext($context)
->validate($data, $constraint);
} else {
// 2.4 API
$violations = $context->validateValue($data, $constraint);
}
return $violations;
}
}