PhabricatorFerretSearchEngineExtension.php
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	<?php

	final class PhabricatorFerretSearchEngineExtension
	extends PhabricatorSearchEngineExtension {

	const EXTENSIONKEY = 'ferret';

	public function isExtensionEnabled() {
	return true;
	}

	public function getExtensionName() {
	return pht('Fulltext Search');
	}

	public function getExtensionOrder() {
	return 1000;
	}

	public function supportsObject($object) {
	return ($object instanceof PhabricatorFerretInterface);
	}

	public function applyConstraintsToQuery(
	$object,
	$query,
	PhabricatorSavedQuery $saved,
	array $map) {

	if (!strlen($map['query'])) {
	return;
	}

	$engine = $object->newFerretEngine();

	$raw_query = $map['query'];

	$compiler = id(new PhutilSearchQueryCompiler())
	->setEnableFunctions(true);

	$raw_tokens = $compiler->newTokens($raw_query);

	$fulltext_tokens = array();
	foreach ($raw_tokens as $raw_token) {
	$fulltext_token = id(new PhabricatorFulltextToken())
	->setToken($raw_token);

	$fulltext_tokens[] = $fulltext_token;
	}

	$query->withFerretConstraint($engine, $fulltext_tokens);
	}

	public function getSearchFields($object) {
	$fields = array();

	$fields[] = id(new PhabricatorSearchTextField())
	->setKey('query')
	->setLabel(pht('Query'))
	->setDescription(pht('Fulltext search.'));

	return $fields;
	}

	public function getSearchAttachments($object) {
	return array();
	}


	}