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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Scribunto\Engines\LuaCommon; |
| 4 | |
| 5 | use MediaWiki\Category\Category; |
| 6 | use MediaWiki\MainConfigNames; |
| 7 | use MediaWiki\MediaWikiServices; |
| 8 | use MediaWiki\SiteStats\SiteStats; |
| 9 | use MediaWiki\Specials\SpecialVersion; |
| 10 | use MediaWiki\Title\Title; |
| 11 | |
| 12 | class SiteLibrary extends LibraryBase { |
| 13 | /** @var string|null */ |
| 14 | private static $namespacesCacheLang = null; |
| 15 | /** @var array[]|null */ |
| 16 | private static $namespacesCache = null; |
| 17 | /** @var array[] */ |
| 18 | private static $interwikiMapCache = []; |
| 19 | /** @var int[][] */ |
| 20 | private $pagesInCategoryCache = []; |
| 21 | |
| 22 | public function register() { |
| 23 | $lib = [ |
| 24 | 'getNsIndex' => [ $this, 'getNsIndex' ], |
| 25 | 'pagesInCategory' => [ $this, 'pagesInCategory' ], |
| 26 | 'pagesInNamespace' => [ $this, 'pagesInNamespace' ], |
| 27 | 'usersInGroup' => [ $this, 'usersInGroup' ], |
| 28 | 'interwikiMap' => [ $this, 'interwikiMap' ], |
| 29 | ]; |
| 30 | $parser = $this->getParser(); |
| 31 | $services = MediaWikiServices::getInstance(); |
| 32 | $config = $services->getMainConfig(); |
| 33 | $contLang = $services->getContentLanguage(); |
| 34 | $info = [ |
| 35 | 'siteName' => $config->get( MainConfigNames::Sitename ), |
| 36 | 'server' => $config->get( MainConfigNames::Server ), |
| 37 | 'scriptPath' => $config->get( MainConfigNames::ScriptPath ), |
| 38 | 'stylePath' => $config->get( MainConfigNames::StylePath ), |
| 39 | 'currentVersion' => SpecialVersion::getVersion( |
| 40 | '', $parser ? $parser->getTargetLanguage() : $contLang |
| 41 | ), |
| 42 | ]; |
| 43 | |
| 44 | if ( !self::$namespacesCache || self::$namespacesCacheLang !== $contLang->getCode() ) { |
| 45 | $namespaces = []; |
| 46 | $namespacesByName = []; |
| 47 | $namespaceInfo = $services->getNamespaceInfo(); |
| 48 | foreach ( $contLang->getFormattedNamespaces() as $ns => $title ) { |
| 49 | $canonical = $namespaceInfo->getCanonicalName( $ns ); |
| 50 | $namespaces[$ns] = [ |
| 51 | 'id' => $ns, |
| 52 | 'name' => $title, |
| 53 | 'canonicalName' => strtr( $canonical, '_', ' ' ), |
| 54 | 'hasSubpages' => $namespaceInfo->hasSubpages( $ns ), |
| 55 | 'hasGenderDistinction' => $namespaceInfo->hasGenderDistinction( $ns ), |
| 56 | 'isCapitalized' => $namespaceInfo->isCapitalized( $ns ), |
| 57 | 'isContent' => $namespaceInfo->isContent( $ns ), |
| 58 | 'isIncludable' => !$namespaceInfo->isNonincludable( $ns ), |
| 59 | 'isMovable' => $namespaceInfo->isMovable( $ns ), |
| 60 | 'isSubject' => $namespaceInfo->isSubject( $ns ), |
| 61 | 'isTalk' => $namespaceInfo->isTalk( $ns ), |
| 62 | 'defaultContentModel' => $namespaceInfo->getNamespaceContentModel( $ns ), |
| 63 | 'aliases' => [], |
| 64 | ]; |
| 65 | if ( $ns >= NS_MAIN ) { |
| 66 | $namespaces[$ns]['subject'] = $namespaceInfo->getSubject( $ns ); |
| 67 | $namespaces[$ns]['talk'] = $namespaceInfo->getTalk( $ns ); |
| 68 | $namespaces[$ns]['associated'] = $namespaceInfo->getAssociated( $ns ); |
| 69 | } else { |
| 70 | $namespaces[$ns]['subject'] = $ns; |
| 71 | } |
| 72 | $namespacesByName[strtr( $title, ' ', '_' )] = $ns; |
| 73 | if ( $canonical ) { |
| 74 | $namespacesByName[$canonical] = $ns; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | $namespaceAliases = $config->get( MainConfigNames::NamespaceAliases ); |
| 79 | $aliases = array_merge( $namespaceAliases, $contLang->getNamespaceAliases() ); |
| 80 | foreach ( $aliases as $title => $ns ) { |
| 81 | if ( !isset( $namespacesByName[$title] ) && isset( $namespaces[$ns] ) ) { |
| 82 | $ct = count( $namespaces[$ns]['aliases'] ); |
| 83 | $namespaces[$ns]['aliases'][$ct + 1] = $title; |
| 84 | $namespacesByName[$title] = $ns; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | $namespaces[NS_MAIN]['displayName'] = wfMessage( 'blanknamespace' )->inContentLanguage()->text(); |
| 89 | |
| 90 | self::$namespacesCache = $namespaces; |
| 91 | self::$namespacesCacheLang = $contLang->getCode(); |
| 92 | } |
| 93 | $info['namespaces'] = self::$namespacesCache; |
| 94 | |
| 95 | if ( defined( 'MW_PHPUNIT_TEST' ) ) { |
| 96 | $info['stats'] = [ |
| 97 | 'pages' => 1, |
| 98 | 'articles' => 1, |
| 99 | 'files' => 0, |
| 100 | 'edits' => 1, |
| 101 | 'users' => 1, |
| 102 | 'activeUsers' => 1, |
| 103 | 'admins' => 1, |
| 104 | ]; |
| 105 | } else { |
| 106 | $info['stats'] = [ |
| 107 | 'pages' => (int)SiteStats::pages(), |
| 108 | 'articles' => (int)SiteStats::articles(), |
| 109 | 'files' => (int)SiteStats::images(), |
| 110 | 'edits' => (int)SiteStats::edits(), |
| 111 | 'users' => (int)SiteStats::users(), |
| 112 | 'activeUsers' => (int)SiteStats::activeUsers(), |
| 113 | 'admins' => (int)SiteStats::numberingroup( 'sysop' ), |
| 114 | ]; |
| 115 | } |
| 116 | |
| 117 | return $this->getEngine()->registerInterface( 'mw.site.lua', $lib, $info ); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Handler for pagesInCategory |
| 122 | * @internal |
| 123 | * @param string|null $category |
| 124 | * @param string|null $which |
| 125 | * @return int[]|int[][] |
| 126 | */ |
| 127 | public function pagesInCategory( $category = null, $which = null ) { |
| 128 | $this->checkType( 'pagesInCategory', 1, $category, 'string' ); |
| 129 | $this->checkTypeOptional( 'pagesInCategory', 2, $which, 'string', 'all' ); |
| 130 | |
| 131 | $title = Title::makeTitleSafe( NS_CATEGORY, $category ); |
| 132 | if ( !$title ) { |
| 133 | return [ 0 ]; |
| 134 | } |
| 135 | $cacheKey = $title->getDBkey(); |
| 136 | |
| 137 | if ( !isset( $this->pagesInCategoryCache[$cacheKey] ) ) { |
| 138 | $this->incrementExpensiveFunctionCount(); |
| 139 | $category = Category::newFromTitle( $title ); |
| 140 | $counts = [ |
| 141 | 'all' => $category->getMemberCount(), |
| 142 | 'subcats' => $category->getSubcatCount(), |
| 143 | 'files' => $category->getFileCount(), |
| 144 | 'pages' => $category->getPageCount( Category::COUNT_CONTENT_PAGES ), |
| 145 | ]; |
| 146 | $this->pagesInCategoryCache[$cacheKey] = $counts; |
| 147 | } |
| 148 | if ( $which === '*' ) { |
| 149 | return [ $this->pagesInCategoryCache[$cacheKey] ]; |
| 150 | } |
| 151 | if ( !isset( $this->pagesInCategoryCache[$cacheKey][$which] ) ) { |
| 152 | $this->checkType( |
| 153 | 'pagesInCategory', 2, $which, "one of '*', 'all', 'pages', 'subcats', or 'files'" |
| 154 | ); |
| 155 | } |
| 156 | return [ $this->pagesInCategoryCache[$cacheKey][$which] ]; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Handler for pagesInNamespace |
| 161 | * @internal |
| 162 | * @param int|string|null $ns |
| 163 | * @return int[] |
| 164 | */ |
| 165 | public function pagesInNamespace( $ns = null ) { |
| 166 | $this->checkType( 'pagesInNamespace', 1, $ns, 'number' ); |
| 167 | return [ (int)SiteStats::pagesInNs( intval( $ns ) ) ]; |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Handler for usersInGroup |
| 172 | * @internal |
| 173 | * @param string|null $group |
| 174 | * @return int[] |
| 175 | */ |
| 176 | public function usersInGroup( $group = null ) { |
| 177 | $this->checkType( 'usersInGroup', 1, $group, 'string' ); |
| 178 | return [ (int)SiteStats::numberingroup( strtolower( $group ) ) ]; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Handler for getNsIndex |
| 183 | * @internal |
| 184 | * @param string|null $name |
| 185 | * @return int[]|bool[] |
| 186 | */ |
| 187 | public function getNsIndex( $name = null ) { |
| 188 | $this->checkType( 'getNsIndex', 1, $name, 'string' ); |
| 189 | // PHP call is case-insensitive but chokes on non-standard spaces/underscores. |
| 190 | $name = trim( preg_replace( '/[\s_]+/', '_', $name ), '_' ); |
| 191 | return [ MediaWikiServices::getInstance()->getContentLanguage()->getNsIndex( $name ) ]; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Handler for interwikiMap |
| 196 | * @internal |
| 197 | * @param string|null $filter |
| 198 | * @return array[] |
| 199 | */ |
| 200 | public function interwikiMap( $filter = null ) { |
| 201 | $this->checkTypeOptional( 'interwikiMap', 1, $filter, 'string', null ); |
| 202 | $local = null; |
| 203 | if ( $filter === 'local' ) { |
| 204 | $local = true; |
| 205 | } elseif ( $filter === '!local' ) { |
| 206 | $local = false; |
| 207 | } elseif ( $filter !== null ) { |
| 208 | throw new LuaError( |
| 209 | "bad argument #1 to 'interwikiMap' (unknown filter '$filter')" |
| 210 | ); |
| 211 | } |
| 212 | $cacheKey = $filter ?? 'null'; |
| 213 | if ( !isset( self::$interwikiMapCache[$cacheKey] ) ) { |
| 214 | // Not expensive because we can have a max of three cache misses in the |
| 215 | // entire page parse. |
| 216 | $interwikiMap = []; |
| 217 | $lookup = MediaWikiServices::getInstance()->getInterwikiLookup(); |
| 218 | $prefixes = $lookup->getAllPrefixes( $local ); |
| 219 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
| 220 | $localInterwikis = $config->get( MainConfigNames::LocalInterwikis ); |
| 221 | $extraInterlanguageLinkPrefixes = $config->get( MainConfigNames::ExtraInterlanguageLinkPrefixes ); |
| 222 | foreach ( $prefixes as $row ) { |
| 223 | $prefix = $row['iw_prefix']; |
| 224 | $val = [ |
| 225 | 'prefix' => $prefix, |
| 226 | 'url' => wfExpandUrl( $row['iw_url'], PROTO_RELATIVE ), |
| 227 | 'isProtocolRelative' => substr( $row['iw_url'], 0, 2 ) === '//', |
| 228 | 'isLocal' => isset( $row['iw_local'] ) && $row['iw_local'] == '1', |
| 229 | 'isTranscludable' => isset( $row['iw_trans'] ) && $row['iw_trans'] == '1', |
| 230 | 'isCurrentWiki' => in_array( $prefix, $localInterwikis ), |
| 231 | 'isExtraLanguageLink' => in_array( $prefix, $extraInterlanguageLinkPrefixes ), |
| 232 | ]; |
| 233 | if ( $val['isExtraLanguageLink'] ) { |
| 234 | $displayText = wfMessage( "interlanguage-link-$prefix" ); |
| 235 | if ( !$displayText->isDisabled() ) { |
| 236 | $val['displayText'] = $displayText->text(); |
| 237 | } |
| 238 | $tooltip = wfMessage( "interlanguage-link-sitename-$prefix" ); |
| 239 | if ( !$tooltip->isDisabled() ) { |
| 240 | $val['tooltip'] = $tooltip->text(); |
| 241 | } |
| 242 | } |
| 243 | $interwikiMap[$prefix] = $val; |
| 244 | } |
| 245 | self::$interwikiMapCache[$cacheKey] = $interwikiMap; |
| 246 | } |
| 247 | return [ self::$interwikiMapCache[$cacheKey] ]; |
| 248 | } |
| 249 | } |