Current File : //www/varak.net/wiki.varak.net/extensions/CirrusSearch/maintenance/runSearch.php
<?php
namespace CirrusSearch\Maintenance;
use CirrusSearch;
use CirrusSearch\SearchConfig;
use CirrusSearch\Search\ResultSet;
use RequestContext;
use SearchSuggestionSet;
use Status;
/**
* Run search queries provided on stdin
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
$IP = getenv( 'MW_INSTALL_PATH' );
if( $IP === false ) {
$IP = __DIR__ . '/../../..';
}
require_once( "$IP/maintenance/Maintenance.php" );
require_once( __DIR__ . '/../includes/Maintenance/Maintenance.php' );
class RunSearch extends Maintenance {
/**
* @var string
*/
protected $indexBaseName;
public function __construct() {
parent::__construct();
$this->addDescription( 'Run one or more searches against the specified cluster. ' .
'search queries are read from stdin.' );
$this->addOption( 'baseName', 'What basename to use for all indexes, ' .
'defaults to wiki id', false, true );
$this->addOption( 'type', 'What type of search to run, prefix, suggest or full_text. ' .
'defaults to full_text.', false, true );
$this->addOption( 'options', 'A JSON object mapping from global variable to ' .
'its test value', false, true );
$this->addOption( 'fork', 'Fork multiple processes to run queries from.' .
'defaults to false.', false, true );
$this->addOption( 'decode', 'urldecode() queries before running them', false, false );
$this->addOption( 'explain', 'Include lucene explanation in the results', false, false );
$this->addOption( 'limit', 'Set the max number of results returned by query (defaults to 10)', false, true );
}
public function execute() {
$this->disablePoolCountersAndLogging();
$this->indexBaseName = $this->getOption( 'baseName', $this->getSearchConfig()->get( SearchConfig::INDEX_BASE_NAME ) );
$this->applyGlobals();
$callback = [ $this, 'consume' ];
$forks = $this->getOption( 'fork', false );
$forks = ctype_digit( $forks ) ? intval( $forks ) : 0;
$controller = new OrderedStreamingForkController( $forks, $callback, STDIN, STDOUT );
$controller->start();
}
/**
* Applies global variables provided as the options CLI argument
* to override current settings.
*/
protected function applyGlobals() {
$options = json_decode( $this->getOption( 'options', 'false' ), true );
if ( $options ) {
foreach ( $options as $key => $value ) {
if ( array_key_exists( $key, $GLOBALS ) ) {
$GLOBALS[$key] = $value;
} else {
$this->error( "\nERROR: $key is not a valid global variable\n" );
exit();
}
}
}
}
/**
* Transform the search request into a JSON string representing the
* search result.
*
* @param string $query
* @return string JSON object
*/
public function consume( $query ) {
if ( $this->getOption( 'decode' ) ) {
$query = urldecode( $query );
}
$data = [ 'query' => $query ];
$status = $this->searchFor( $query );
if ( $status->isOK() ) {
$value = $status->getValue();
if ( $value instanceof ResultSet ) {
// these are prefix or full text results
$data['totalHits'] = $value->getTotalHits();
$data['rows'] = [];
$result = $value->next();
while ( $result ) {
$data['rows'][] = [
// use getDocId() rather than asking the title to allow this script
// to work when a production index has been imported to a test es instance
'docId' => $result->getDocId(),
'title' => $result->getTitle()->getPrefixedText(),
'score' => $result->getScore(),
'snippets' => [
'text' => $result->getTextSnippet( $query ),
'title' => $result->getTitleSnippet(),
'redirect' => $result->getRedirectSnippet(),
'section' => $result->getSectionSnippet(),
'category' => $result->getCategorySnippet(),
],
'explanation' => $result->getExplanation(),
];
$result = $value->next();
}
} elseif ( $value instanceof SearchSuggestionSet ) {
// these are suggestion results
$data['totalHits'] = $value->getSize();
foreach ( $value->getSuggestions() as $suggestion ) {
$data['rows'][] = [
'pageId' => $suggestion->getSuggestedTitleID(),
'title' => $suggestion->getSuggestedTitle()->getPrefixedText(),
'snippets' => [],
];
}
} else {
throw new \RuntimeException(
"Unknown result type: "
. is_object( $value ) ? get_class( $value ) : gettype( $value )
);
}
} else {
$data['error'] = $status->getMessage()->text();
}
return json_encode( $data );
}
/**
* Transform the search request into a Status object representing the
* search result. Varies based on CLI input argument `type`.
*
* @param string $query
* @return Status<ResultSet>
*/
protected function searchFor( $query ) {
$searchType = $this->getOption( 'type', 'full_text' );
$limit = $this->getOption( 'limit', 10 );
if ( $this->getOption( 'explain' ) ) {
RequestContext::getMain()->getRequest()->setVal( 'cirrusExplain', true );
}
$engine = new CirrusSearch( $this->indexBaseName );
$engine->setConnection( $this->getConnection() );
$engine->setLimitOffset( $limit );
switch ( $searchType ) {
case 'full_text':
// @todo pass through $this->getConnection() ?
$result = $engine->searchText( $query );
if ( $result instanceof Status ) {
return $result;
} else {
return Status::newGood( $result );
}
case 'prefix':
$titles = $engine->defaultPrefixSearch( $query );
$resultSet = SearchSuggestionSet::fromTitles( $titles );
return Status::newGood( $resultSet );
case 'suggest':
$engine->setFeatureData( CirrusSearch::COMPLETION_SUGGESTER_FEATURE, true );
$result = $engine->completionSearch( $query );
if ( $result instanceof Status ) {
return $result;
} else {
return Status::newGood( $result );
}
default:
$this->error( "\nERROR: Unknown search type $searchType\n" );
exit( 1 );
}
}
}
$maintClass = RunSearch::class;
require_once RUN_MAINTENANCE_IF_MAIN;
Mini Shell