/**
* @inheritdoc
*/
public function parse(ScrapedItemBag $item)
{
$crawler = $this->getDomCrawler($item->getOriginalData(), $item->getOriginalUrl());
foreach ($this->modifiers as $position => $modifier) {
// set crawler if needed
if ($modifier instanceof CrawlerAwareInterface) {
$modifier->setCrawler($crawler);
}
try {
if ($modifier instanceof FilterInterface) {
$modifier->filter($item);
}
if ($modifier instanceof MapperInterface) {
$item = $modifier->map($item);
}
if ($modifier instanceof TransformerInterface) {
$modifier->transform($item);
}
if ($modifier instanceof ValidatorInterface) {
$modifier->validate($item);
}
} catch (FilterException $e) {
// filter exceptions don't get to continue
throw $e;
} catch (ValidationException $e) {
// validation exceptions don't get to continue
throw $e;
} catch (ModificationException $e) {
// notify listeners of this failure, give them the option to stop propagation
$event = new FailedItemModificationEvent($item, $modifier, $e);
$event->setContinue($this->continues[$position]);
$this->eventDispatcher->dispatch(FeedEvents::ITEM_MODIFICATION_FAILED, $event);
if (!$event->getContinue()) {
throw $e;
}
}
}
}
/**
* @param ScrapedItemBag $item
*
* @return SourceInterface
*/
protected function findSourceOrCreate(ScrapedItemBag $item)
{
return $this->sourceManager->findSourceByScraperOrCreate($item->getScraper(), $item->getOriginalId(), $item->getOriginalUrl());
}
/**
* @param Scraper $scraper
* @param string $parserType
* @param string $fixtureName
*
* @return ScrapedItemBag
*/
protected function getExpectedItemFixture(Scraper $scraper, $parserType, $fixtureName)
{
$refl = new \ReflectionClass(get_class($this));
$phpFile = sprintf('%s/fixtures/%s/%s.php', dirname($refl->getFilename()), $parserType, $fixtureName);
/** @var array $expected */
$expected = (include $phpFile);
$item = new ScrapedItemBag($scraper, static::$url, '');
$item->add($expected['item']);
if (isset($expected['id'])) {
$item->setOriginalId($expected['id']);
}
if (isset($expected['url'])) {
$item->setOriginalUrl($expected['url']);
}
if (isset($expected['date'])) {
$item->setDatetimeModified($expected['date']);
}
return $item;
}
