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PhabricatorSearchDocumentIndexer.php
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Wed, Nov 27, 04:36

PhabricatorSearchDocumentIndexer.php
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<?php
abstract class PhabricatorSearchDocumentIndexer extends Phobject {
private $context;
protected function setContext($context) {
$this->context = $context;
return $this;
}
protected function getContext() {
return $this->context;
}
abstract public function getIndexableObject();
abstract protected function buildAbstractDocumentByPHID($phid);
protected function getViewer() {
return PhabricatorUser::getOmnipotentUser();
}
public function shouldIndexDocumentByPHID($phid) {
$object = $this->getIndexableObject();
return (phid_get_type($phid) == phid_get_type($object->generatePHID()));
}
public function getIndexIterator() {
$object = $this->getIndexableObject();
return new LiskMigrationIterator($object);
}
protected function loadDocumentByPHID($phid) {
$object = id(new PhabricatorObjectQuery())
->setViewer($this->getViewer())
->withPHIDs(array($phid))
->executeOne();
if (!$object) {
throw new Exception(pht("Unable to load object by PHID '%s'!", $phid));
}
return $object;
}
public function indexDocumentByPHID($phid, $context) {
$this->setContext($context);
$document = $this->buildAbstractDocumentByPHID($phid);
if ($document === null) {
// This indexer doesn't build a document index, so we're done.
return $this;
}
$object = $this->loadDocumentByPHID($phid);
$extensions = PhabricatorFulltextEngineExtension::getAllExtensions();
foreach ($extensions as $key => $extension) {
if (!$extension->shouldIndexFulltextObject($object)) {
unset($extensions[$key]);
}
}
foreach ($extensions as $extension) {
$extension->indexFulltextObject($object, $document);
}
$engine = PhabricatorSearchEngine::loadEngine();
$engine->reindexAbstractDocument($document);
$this->dispatchDidUpdateIndexEvent($phid, $document);
return $this;
}
protected function newDocument($phid) {
return id(new PhabricatorSearchAbstractDocument())
->setPHID($phid)
->setDocumentType(phid_get_type($phid));
}
protected function indexTransactions(
PhabricatorSearchAbstractDocument $doc,
PhabricatorApplicationTransactionQuery $query,
array $phids) {
$xactions = id(clone $query)
->setViewer($this->getViewer())
->withObjectPHIDs($phids)
->execute();
foreach ($xactions as $xaction) {
if (!$xaction->hasComment()) {
continue;
}
$comment = $xaction->getComment();
$doc->addField(
PhabricatorSearchDocumentFieldType::FIELD_COMMENT,
$comment->getContent());
}
}
private function dispatchDidUpdateIndexEvent(
$phid,
PhabricatorSearchAbstractDocument $document) {
$event = new PhabricatorEvent(
PhabricatorEventType::TYPE_SEARCH_DIDUPDATEINDEX,
array(
'phid' => $phid,
'object' => $this->loadDocumentByPHID($phid),
'document' => $document,
));
$event->setUser($this->getViewer());
PhutilEventEngine::dispatchEvent($event);
}
}

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