PhabricatorTransactionsFulltextEngineExtension.php
8567e3cacaa3production

PhabricatorTransactionsFulltextEngineExtension.php
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			<?php

			final class PhabricatorTransactionsFulltextEngineExtension
			extends PhabricatorFulltextEngineExtension {

			const EXTENSIONKEY = 'transactions';

			public function getExtensionName() {
			return pht('Comments');
			}

			public function shouldEnrichFulltextObject($object) {
			return ($object instanceof PhabricatorApplicationTransactionInterface);
			}

			public function enrichFulltextObject(
			$object,
			PhabricatorSearchAbstractDocument $document) {

			$query = PhabricatorApplicationTransactionQuery::newQueryForObject($object);
			if (!$query) {
			return;
			}

			$query
			->setViewer($this->getViewer())
			->withObjectPHIDs(array($object->getPHID()))
			->withComments(true)
			->needComments(true);

			// See PHI719. Users occasionally create objects with huge numbers of
			// comments, which can be slow to index. We handle this with reasonable
			// grace: at time of writing, we can index a task with 100K comments in
			// about 30 seconds. However, we do need to hold all the comments in
			// memory in the AbstractDocument, so there's some practical limit to what
			// we can realistically index.

			// Since objects with more than 1,000 comments are not likely to be
			// legitimate objects with actual discussion, index only the first
			// thousand comments.

			$query
			->setOrderVector(array('-id'))
			->setLimit(1000);

			$xactions = $query->execute();

			foreach ($xactions as $xaction) {
			if (!$xaction->hasComment()) {
			continue;
			}

			$comment = $xaction->getComment();

			$document->addField(
			PhabricatorSearchDocumentFieldType::FIELD_COMMENT,
			$comment->getContent());
			}
			}

			}