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phab/src/applications/search/engine/elastic/PhabricatorSearchEngineElastic.php
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PhabricatorSearchEngineElastic.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class PhabricatorSearchEngineElastic extends PhabricatorSearchEngine {
public function reindexAbstractDocument(
PhabricatorSearchAbstractDocument $doc) {
$type = $doc->getDocumentType();
$phid = $doc->getPHID();
$spec = array(
'phid' => $phid,
'type' => $type,
'title' => $doc->getDocumentTitle(),
'dateCreated' => date('c', $doc->getDocumentCreated()),
'dateModified' => date('c', $doc->getDocumentModified()),
'field' => array(),
'relationship' => array(),
);
foreach ($doc->getFieldData() as $field) {
list($ftype, $corpus, $aux_phid) = $field;
$spec['field'][$ftype][] = array(
'corpus' => $corpus,
'aux' => $aux_phid,
);
}
foreach ($doc->getRelationshipData() as $relationship) {
list($rtype, $to_phid, $to_type, $time) = $relationship;
$spec['relationship'][$rtype][] = array(
'phid' => $to_phid,
'phidType' => $to_type,
'when' => date('c', $time),
);
}
$this->executeRequest(
"/phabricator/{$type}/{$phid}/",
$spec,
$is_write = true);
}
public function reconstructDocument($phid) {
$response = $this->executeRequest(
'/phabricator/_search',
array(
'query' => array(
'ids' => array(
'values' => array(
$phid,
),
),
),
),
$is_write = false);
$hit = $response['hits']['hits'][0]['_source'];
if (!$hit) {
return null;
}
$doc = new PhabricatorSearchAbstractDocument();
$doc->setPHID($hit['phid']);
$doc->setDocumentType($hit['type']);
$doc->setDocumentTitle($hit['title']);
$doc->setDocumentCreated(strtotime($hit['dateCreated']));
$doc->setDocumentModified(strtotime($hit['dateModified']));
foreach ($hit['field'] as $ftype => $fdefs) {
foreach ($fdefs as $fdef) {
$doc->addField(
$ftype,
$fdef['corpus'],
$fdef['aux']);
}
}
foreach ($hit['relationship'] as $rtype => $rships) {
foreach ($rships as $rship) {
$doc->addRelationship(
$rtype,
$rship['phid'],
$rship['phidType'],
strtotime($rship['when']));
}
}
return $doc;
}
public function executeSearch(PhabricatorSearchQuery $query) {
$spec = array(
'text' => array(
'_all' => $query->getQuery(),
),
);
$type = $query->getParameter('type');
if ($type) {
$uri = "/phabricator/{$type}/_search";
} else {
$uri = "/phabricator/_search";
}
$response = $this->executeRequest(
$uri,
array(
'query' => $spec,
),
$is_write = false);
$phids = array();
foreach ($response['hits']['hits'] as $hit) {
$phids[] = $hit['_id'];
}
return $phids;
}
private function executeRequest($path, array $data, $is_write) {
$uri = PhabricatorEnv::getEnvConfig('search.elastic.host');
$uri = new PhutilURI($uri);
$data = json_encode($data);
$uri->setPath($path);
$protocol = $uri->getProtocol();
if ($protocol == 'https') {
$future = new HTTPSFuture($uri, $data);
} else {
$future = new HTTPFuture($uri, $data);
}
if ($is_write) {
$future->setMethod('PUT');
} else {
$future->setMethod('GET');
}
list($body) = $future->resolvex();
if ($is_write) {
return null;
}
$body = json_decode($body, true);
if (!is_array($body)) {
throw new Exception("elasticsearch server returned invalid JSON!");
}
return $body;
}
}
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