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| 1 | <?php |
| 2 | |
| 3 | namespace ArticlePlaceholder; |
| 4 | |
| 5 | use Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | use OutputPage; |
| 8 | use SpecialPage; |
| 9 | use SpecialSearch; |
| 10 | use Wikibase\Client\WikibaseClient; |
| 11 | use Wikibase\Lib\Interactors\TermSearchInteractor; |
| 12 | use Wikibase\Lib\Interactors\TermSearchResult; |
| 13 | use Wikibase\Lib\TermIndexEntry; |
| 14 | use Wikimedia\Rdbms\SessionConsistentConnectionManager; |
| 15 | |
| 16 | /** |
| 17 | * Adding results from ArticlePlaceholder to search |
| 18 | * |
| 19 | * @license GPL-2.0-or-later |
| 20 | * @author Lucie-Aimée Kaffee |
| 21 | */ |
| 22 | class SearchHookHandler { |
| 23 | |
| 24 | /** |
| 25 | * @var TermSearchInteractor |
| 26 | */ |
| 27 | private $termSearchInteractor; |
| 28 | |
| 29 | /** |
| 30 | * @var string |
| 31 | */ |
| 32 | private $languageCode; |
| 33 | |
| 34 | /** |
| 35 | * @var ItemNotabilityFilter |
| 36 | */ |
| 37 | private $itemNotabilityFilter; |
| 38 | |
| 39 | /** |
| 40 | * @var StatsdDataFactoryInterface |
| 41 | */ |
| 42 | private $statsdDataFactory; |
| 43 | |
| 44 | /** |
| 45 | * @param SpecialPage $specialPage |
| 46 | * |
| 47 | * @return self |
| 48 | */ |
| 49 | private static function newFromGlobalState( SpecialPage $specialPage ) { |
| 50 | // TODO inject services into hook handler instance |
| 51 | $mwServices = MediaWikiServices::getInstance(); |
| 52 | $repoDB = WikibaseClient::getItemAndPropertySource()->getDatabaseName(); |
| 53 | $lbFactory = $mwServices->getDBLoadBalancerFactory(); |
| 54 | $clientSettings = WikibaseClient::getSettings( $mwServices ); |
| 55 | |
| 56 | $itemNotabilityFilter = new ItemNotabilityFilter( |
| 57 | new SessionConsistentConnectionManager( $lbFactory->getMainLB( $repoDB ), $repoDB ), |
| 58 | WikibaseClient::getEntityNamespaceLookup( $mwServices ), |
| 59 | WikibaseClient::getStore()->getSiteLinkLookup(), |
| 60 | $clientSettings->getSetting( 'siteGlobalID' ) |
| 61 | ); |
| 62 | |
| 63 | $statsdDataFactory = MediaWikiServices::getInstance()->getStatsdDataFactory(); |
| 64 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
| 65 | |
| 66 | $termSearchInteractor = new TermSearchApiInteractor( |
| 67 | new RepoApiInteractor( |
| 68 | $config->get( 'ArticlePlaceholderRepoApiUrl' ), |
| 69 | $statsdDataFactory, |
| 70 | MediaWikiServices::getInstance()->getHttpRequestFactory() |
| 71 | ), |
| 72 | WikibaseClient::getEntityIdParser() |
| 73 | ); |
| 74 | |
| 75 | return new self( |
| 76 | $termSearchInteractor, |
| 77 | $specialPage->getConfig()->get( 'LanguageCode' ), |
| 78 | $itemNotabilityFilter, |
| 79 | $statsdDataFactory |
| 80 | ); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * @param TermSearchInteractor $termSearchInteractor |
| 85 | * @param string $languageCode content language |
| 86 | * @param ItemNotabilityFilter $itemNotabilityFilter |
| 87 | * @param StatsdDataFactoryInterface $statsdDataFactory |
| 88 | */ |
| 89 | public function __construct( |
| 90 | TermSearchInteractor $termSearchInteractor, |
| 91 | $languageCode, |
| 92 | ItemNotabilityFilter $itemNotabilityFilter, |
| 93 | StatsdDataFactoryInterface $statsdDataFactory |
| 94 | ) { |
| 95 | $this->termSearchInteractor = $termSearchInteractor; |
| 96 | $this->languageCode = $languageCode; |
| 97 | $this->itemNotabilityFilter = $itemNotabilityFilter; |
| 98 | $this->statsdDataFactory = $statsdDataFactory; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @param SpecialSearch $specialSearch |
| 103 | * @param OutputPage $output |
| 104 | * @param string $term |
| 105 | */ |
| 106 | public static function onSpecialSearchResultsAppend( |
| 107 | SpecialSearch $specialSearch, |
| 108 | OutputPage $output, |
| 109 | $term |
| 110 | ) { |
| 111 | if ( trim( $term ) === '' ) { |
| 112 | return; |
| 113 | } |
| 114 | |
| 115 | $articlePlaceholderSearchEnabled = MediaWikiServices::getInstance()->getMainConfig()->get( |
| 116 | 'ArticlePlaceholderSearchIntegrationEnabled' |
| 117 | ); |
| 118 | if ( $articlePlaceholderSearchEnabled !== true ) { |
| 119 | return; |
| 120 | } |
| 121 | |
| 122 | $instance = self::newFromGlobalState( $specialSearch ); |
| 123 | $instance->addToSearch( $output, $term ); |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * @param OutputPage $output |
| 128 | * @param string $term |
| 129 | */ |
| 130 | private function addToSearch( OutputPage $output, $term ): void { |
| 131 | $termSearchResults = $this->getTermSearchResults( $term ); |
| 132 | |
| 133 | if ( !empty( $termSearchResults ) ) { |
| 134 | $renderedTermSearchResults = $this->renderTermSearchResults( $termSearchResults ); |
| 135 | |
| 136 | if ( $renderedTermSearchResults !== '' ) { |
| 137 | $output->addWikiTextAsInterface( |
| 138 | '==' . |
| 139 | $output->msg( 'articleplaceholder-search-header' )->plain() . |
| 140 | '==' |
| 141 | ); |
| 142 | |
| 143 | $output->addWikiTextAsInterface( $renderedTermSearchResults ); |
| 144 | |
| 145 | $this->statsdDataFactory->increment( |
| 146 | 'wikibase.articleplaceholder.search.has_results' |
| 147 | ); |
| 148 | |
| 149 | return; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | $this->statsdDataFactory->increment( |
| 154 | 'wikibase.articleplaceholder.search.no_results' |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * @param string $term |
| 160 | * |
| 161 | * @return TermSearchResult[] |
| 162 | */ |
| 163 | private function getTermSearchResults( $term ) { |
| 164 | $termSearchResults = []; |
| 165 | |
| 166 | foreach ( $this->searchEntities( $term ) as $searchResult ) { |
| 167 | $entityId = $searchResult->getEntityId()->getSerialization(); |
| 168 | |
| 169 | $termSearchResults[ $entityId ] = $searchResult; |
| 170 | } |
| 171 | |
| 172 | return $termSearchResults; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Render search results, filtered for notability. |
| 177 | * |
| 178 | * @param TermSearchResult[] $termSearchResults |
| 179 | * |
| 180 | * @return string Wikitext |
| 181 | */ |
| 182 | private function renderTermSearchResults( array $termSearchResults ) { |
| 183 | $wikitext = ''; |
| 184 | |
| 185 | $itemIds = []; |
| 186 | foreach ( $termSearchResults as $termSearchResult ) { |
| 187 | $itemIds[] = $termSearchResult->getEntityId(); |
| 188 | } |
| 189 | |
| 190 | $notableEntityIds = $this->itemNotabilityFilter->getNotableEntityIds( $itemIds ); |
| 191 | |
| 192 | foreach ( $notableEntityIds as $entityId ) { |
| 193 | $result = $this->renderTermSearchResult( $termSearchResults[ $entityId->getSerialization() ] ); |
| 194 | |
| 195 | $wikitext .= '<div class="article-placeholder-searchResult">' |
| 196 | . $result |
| 197 | . '</div>'; |
| 198 | } |
| 199 | |
| 200 | return $wikitext; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * @param TermSearchResult $searchResult |
| 205 | * |
| 206 | * @return string Wikitext |
| 207 | */ |
| 208 | private function renderTermSearchResult( TermSearchResult $searchResult ) { |
| 209 | $entityId = $searchResult->getEntityId(); |
| 210 | |
| 211 | $displayLabel = $searchResult->getDisplayLabel(); |
| 212 | $displayDescription = $searchResult->getDisplayDescription(); |
| 213 | |
| 214 | $label = $displayLabel ? $displayLabel->getText() : $entityId->getSerialization(); |
| 215 | |
| 216 | // TODO: Properly construct the page name of the special page. |
| 217 | $wikitext = '[[Special:AboutTopic/' . wfEscapeWikiText( $entityId ) . '|' |
| 218 | . wfEscapeWikiText( $label ) . ']]'; |
| 219 | |
| 220 | if ( $displayDescription ) { |
| 221 | $wikitext .= ': ' . wfEscapeWikiText( $displayDescription->getText() ); |
| 222 | } |
| 223 | |
| 224 | return $wikitext; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * @param string $term |
| 229 | * |
| 230 | * @return TermSearchResult[] |
| 231 | */ |
| 232 | private function searchEntities( $term ) { |
| 233 | return $this->termSearchInteractor->searchForEntities( |
| 234 | $term, |
| 235 | $this->languageCode, |
| 236 | 'item', |
| 237 | [ TermIndexEntry::TYPE_LABEL, TermIndexEntry::TYPE_ALIAS ] |
| 238 | ); |
| 239 | } |
| 240 | |
| 241 | } |