/**
* @test
*/
public function ifPersistenceEventReturnsCorrectObjects()
{
$document = $this->getMock('Simgroep\\ConcurrentSpiderBundle\\PersistableDocument');
$resource = $this->getMockBuilder('VDB\\Spider\\Resource')->disableOriginalConstructor()->getMock();
$metadata = ['core' => 'dummyCore'];
$event = new PersistenceEvent($document, $resource, $metadata);
$this->assertEquals($document, $event->getDocument());
$this->assertEquals($resource, $event->getResource());
$this->assertEquals($metadata, $event->getMetadata());
}
/**
* Calculates what the desired revisit factor should be.
*
* @param \Simgroep\ConcurrentSpiderBundle\PersistenceEvent $event
*/
public function onPrePersistDocument(PersistenceEvent $event)
{
$newDocument = $event->getDocument();
$currentDocument = $this->indexer->findDocumentByUrl($newDocument['url'], $event->getMetadata());
if (null === $currentDocument || $currentDocument['revisit_after'] == 0) {
$newDocument['revisit_after'] = $this->defaultRevisitFactor;
$expireDate = new DateTime();
$expireDate->modify(sprintf('+%s minute', $newDocument['revisit_after']));
$newDocument['revisit_expiration'] = $expireDate->format('Y-m-d\\TH:i:s\\Z');
return;
}
if ($this->createDocumentChecksum($currentDocument) === $this->createDocumentChecksum($newDocument)) {
$this->increaseRevisitFactor($newDocument, $currentDocument['revisit_after']);
} else {
$this->decreaseRevisitFactor($newDocument, $currentDocument['revisit_after']);
}
}
