PhrictionDatasourceEngineExtension.php
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	<?php

	final class PhrictionDatasourceEngineExtension
	extends PhabricatorDatasourceEngineExtension {

	public function newQuickSearchDatasources() {
	return array(
	new PhrictionDocumentDatasource(),
	);
	}

	public function newJumpURI($query) {
	$viewer = $this->getViewer();

	// Send "w" to Phriction.
	if (preg_match('/^w\z/i', $query)) {
	return '/w/';
	}

	// Send "w <string>" to a search for similar wiki documents.
	$matches = null;
	if (preg_match('/^w\s+(.+)\z/i', $query, $matches)) {
	$raw_query = $matches[1];

	$engine = id(new PhrictionDocument())
	->newFerretEngine();

	$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;
	}

	$documents = id(new PhrictionDocumentQuery())
	->setViewer($viewer)
	->withFerretConstraint($engine, $fulltext_tokens)
	->execute();
	if (count($documents) == 1) {
	return head($documents)->getURI();
	} else {
	// More than one match, jump to search.
	return urisprintf(
	'/phriction/?order=relevance&query=%s#R',
	$raw_query);
	}
	}

	return null;
	}
	}