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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Maintenance; |
| 4 | |
| 5 | use CirrusSearch\CirrusConfigNames; |
| 6 | use CirrusSearch\CirrusSearch; |
| 7 | use CirrusSearch\SearchConfig; |
| 8 | use MediaWiki\MediaWikiServices; |
| 9 | |
| 10 | /** |
| 11 | * Builds search mapping configuration arrays for the suggester index. |
| 12 | * |
| 13 | * @license GPL-2.0-or-later |
| 14 | */ |
| 15 | class SuggesterMappingConfigBuilder { |
| 16 | /** @var SearchConfig */ |
| 17 | private $config; |
| 18 | |
| 19 | /** |
| 20 | * @param SearchConfig|null $config |
| 21 | */ |
| 22 | public function __construct( ?SearchConfig $config = null ) { |
| 23 | $this->config = $config ?? MediaWikiServices::getInstance()->getConfigFactory() |
| 24 | ->makeConfig( CirrusSearch::NAME ); |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * @return array |
| 29 | */ |
| 30 | public function buildConfig() { |
| 31 | $suggest = [ |
| 32 | 'dynamic' => false, |
| 33 | '_source' => [ 'enabled' => true ], |
| 34 | 'properties' => [ |
| 35 | 'batch_id' => [ 'type' => 'long' ], |
| 36 | 'source_doc_id' => [ 'type' => 'keyword' ], |
| 37 | // Sadly we can't reuse the same input |
| 38 | // into multiple fields, it would help |
| 39 | // us to save space since we now have |
| 40 | // to store the source. |
| 41 | 'suggest' => [ |
| 42 | 'type' => 'completion', |
| 43 | 'analyzer' => 'plain', |
| 44 | 'search_analyzer' => 'plain_search', |
| 45 | 'max_input_length' => 255, |
| 46 | ], |
| 47 | 'suggest-stop' => [ |
| 48 | 'type' => 'completion', |
| 49 | 'analyzer' => 'stop_analyzer', |
| 50 | 'search_analyzer' => 'stop_analyzer_search', |
| 51 | 'preserve_separators' => false, |
| 52 | 'preserve_position_increments' => false, |
| 53 | 'max_input_length' => 255, |
| 54 | ], |
| 55 | ] |
| 56 | ]; |
| 57 | if ( $this->config->getElement( CirrusConfigNames::CompletionSuggesterSubphrases, 'build' ) ) { |
| 58 | $suggest['properties']['suggest-subphrases'] = [ |
| 59 | 'type' => 'completion', |
| 60 | 'analyzer' => 'subphrases', |
| 61 | 'search_analyzer' => 'subphrases_search', |
| 62 | 'max_input_length' => 255, |
| 63 | ]; |
| 64 | |
| 65 | } |
| 66 | return $suggest; |
| 67 | } |
| 68 | |
| 69 | } |