<?php
namespace Egulias\EmailValidator\Validation;
use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Validation\Exception\EmptyValidationList;
use Egulias\EmailValidator\Result\MultipleErrors;
class MultipleValidationWithAnd implements EmailValidation
{
/**
* If one of validations fails, the remaining validations will be skipped.
* This means MultipleErrors will only contain a single error, the first found.
*/
public const STOP_ON_ERROR = 0;
/**
* All of validations will be invoked even if one of them got failure.
* So MultipleErrors will contain all causes.
*/
public const ALLOW_ALL_ERRORS = 1;
/**
* @var EmailValidation[]
*/
private $validations = [];
/**
* @var array
*/
private $warnings = [];
/**
* @var MultipleErrors|null
*/
private $error;
/**
* @var int
*/
private $mode;
/**
* @param EmailValidation[] $validations The validations.
* @param int $mode The validation mode (one of the constants).
*/
public function __construct(array $validations, $mode = self::ALLOW_ALL_ERRORS)
{
if (count($validations) == 0) {
throw new EmptyValidationList();
}
$this->validations = $validations;
$this->mode = $mode;
}
/**
* {@inheritdoc}
*/
public function isValid(string $email, EmailLexer $emailLexer) : bool
{
$result = true;
foreach ($this->validations as $validation) {
$emailLexer->reset();
$validationResult = $validation->isValid($email, $emailLexer);
$result = $result && $validationResult;
$this->warnings = array_merge($this->warnings, $validation->getWarnings());
if (!$validationResult) {
$this->processError($validation);
}
if ($this->shouldStop($result)) {
break;
}
}
return $result;
}
private function initErrorStorage() : void
{
if (null === $this->error) {
$this->error = new MultipleErrors();
}
}
private function processError(EmailValidation $validation) : void
{
if (null !== $validation->getError()) {
$this->initErrorStorage();
/** @psalm-suppress PossiblyNullReference */
$this->error->addReason($validation->getError()->reason());
}
}
private function shouldStop(bool $result) : bool
{
return !$result && $this->mode === self::STOP_ON_ERROR;
}
/**
* Returns the validation errors.
*/
public function getError() : ?InvalidEmail
{
return $this->error;
}
/**
* {@inheritdoc}
*/
public function getWarnings() : array
{
return $this->warnings;
}
}