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PhabricatorSearchDocumentIndexer.php
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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) {
try {
$this->setContext($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);
// Automatically rebuild CustomField indexes if the object uses custom
// fields.
if ($object instanceof PhabricatorCustomFieldInterface) {
$this->indexCustomFields($document, $object);
}
// Automatically rebuild subscriber indexes if the object is subscribable.
if ($object instanceof PhabricatorSubscribableInterface) {
$this->indexSubscribers($document);
}
// Automatically build project relationships
if ($object instanceof PhabricatorProjectInterface) {
$this->indexProjects($document, $object);
}
$engine = PhabricatorSearchEngine::loadEngine();
try {
$engine->reindexAbstractDocument($document);
} catch (Exception $ex) {
phlog(
pht(
'Unable to index document %s with engine %s.',
$document->getPHID(),
get_class($engine)));
phlog($ex);
}
$this->dispatchDidUpdateIndexEvent($phid, $document);
} catch (Exception $ex) {
phlog(
pht(
'Unable to build document %s with indexer %s.',
$phid,
get_class($this)));
phlog($ex);
}
return $this;
}
protected function newDocument($phid) {
return id(new PhabricatorSearchAbstractDocument())
->setPHID($phid)
->setDocumentType(phid_get_type($phid));
}
protected function indexSubscribers(
PhabricatorSearchAbstractDocument $doc) {
$subscribers = PhabricatorSubscribersQuery::loadSubscribersForPHID(
$doc->getPHID());
$handles = id(new PhabricatorHandleQuery())
->setViewer($this->getViewer())
->withPHIDs($subscribers)
->execute();
foreach ($handles as $phid => $handle) {
$doc->addRelationship(
PhabricatorSearchRelationship::RELATIONSHIP_SUBSCRIBER,
$phid,
$handle->getType(),
$doc->getDocumentModified()); // Bogus timestamp.
}
}
protected function indexProjects(
PhabricatorSearchAbstractDocument $doc,
PhabricatorProjectInterface $object) {
$project_phids = PhabricatorEdgeQuery::loadDestinationPHIDs(
$object->getPHID(),
PhabricatorProjectObjectHasProjectEdgeType::EDGECONST);
if ($project_phids) {
foreach ($project_phids as $project_phid) {
$doc->addRelationship(
PhabricatorSearchRelationship::RELATIONSHIP_PROJECT,
$project_phid,
PhabricatorProjectProjectPHIDType::TYPECONST,
$doc->getDocumentModified()); // Bogus timestamp.
}
}
}
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(
PhabricatorSearchField::FIELD_COMMENT,
$comment->getContent());
}
}
protected function indexCustomFields(
PhabricatorSearchAbstractDocument $document,
PhabricatorCustomFieldInterface $object) {
// Rebuild the ApplicationSearch indexes. These are internal and not part of
// the fulltext search, but putting them in this workflow allows users to
// use the same tools to rebuild the indexes, which is easy to understand.
$field_list = PhabricatorCustomField::getObjectFields(
$object,
PhabricatorCustomField::ROLE_DEFAULT);
$field_list->setViewer($this->getViewer());
$field_list->readFieldsFromStorage($object);
// Rebuild ApplicationSearch indexes.
$field_list->rebuildIndexes($object);
// Rebuild global search indexes.
$field_list->updateAbstractDocument($document);
}
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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PhabricatorSearchDocumentIndexer.php (5 KB)

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