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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Maintenance; |
| 4 | |
| 5 | use CirrusSearch\SearchConfig; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | |
| 8 | /** |
| 9 | * Builds elasticsearch mapping configuration arrays for the suggester index. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License along |
| 22 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 23 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 24 | * http://www.gnu.org/copyleft/gpl.html |
| 25 | */ |
| 26 | class SuggesterMappingConfigBuilder { |
| 27 | /** |
| 28 | * Version number for the core analysis. Increment the major |
| 29 | * version when the analysis changes in an incompatible way, |
| 30 | * and change the minor version when it changes but isn't |
| 31 | * incompatible |
| 32 | */ |
| 33 | public const VERSION = '3.0'; |
| 34 | |
| 35 | /** @var SearchConfig */ |
| 36 | private $config; |
| 37 | |
| 38 | /** |
| 39 | * @param SearchConfig|null $config |
| 40 | */ |
| 41 | public function __construct( SearchConfig $config = null ) { |
| 42 | $this->config = $config ?? MediaWikiServices::getInstance()->getConfigFactory() |
| 43 | ->makeConfig( 'CirrusSearch' ); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @return array |
| 48 | */ |
| 49 | public function buildConfig() { |
| 50 | $suggest = [ |
| 51 | 'dynamic' => false, |
| 52 | '_source' => [ 'enabled' => true ], |
| 53 | 'properties' => [ |
| 54 | 'batch_id' => [ 'type' => 'long' ], |
| 55 | 'source_doc_id' => [ 'type' => 'keyword' ], |
| 56 | // Sadly we can't reuse the same input |
| 57 | // into multiple fields, it would help |
| 58 | // us to save space since we now have |
| 59 | // to store the source. |
| 60 | 'suggest' => [ |
| 61 | 'type' => 'completion', |
| 62 | 'analyzer' => 'plain', |
| 63 | 'search_analyzer' => 'plain_search', |
| 64 | 'max_input_length' => 255, |
| 65 | ], |
| 66 | 'suggest-stop' => [ |
| 67 | 'type' => 'completion', |
| 68 | 'analyzer' => 'stop_analyzer', |
| 69 | 'search_analyzer' => 'stop_analyzer_search', |
| 70 | 'preserve_separators' => false, |
| 71 | 'preserve_position_increments' => false, |
| 72 | 'max_input_length' => 255, |
| 73 | ], |
| 74 | ] |
| 75 | ]; |
| 76 | if ( $this->config->getElement( 'CirrusSearchCompletionSuggesterSubphrases', 'build' ) ) { |
| 77 | $suggest['properties']['suggest-subphrases'] = [ |
| 78 | 'type' => 'completion', |
| 79 | 'analyzer' => 'subphrases', |
| 80 | 'search_analyzer' => 'subphrases_search', |
| 81 | 'max_input_length' => 255, |
| 82 | ]; |
| 83 | |
| 84 | } |
| 85 | return $suggest; |
| 86 | } |
| 87 | |
| 88 | } |