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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\SiteStats; |
| 22 | |
| 23 | use MediaWiki\Deferred\SiteStatsUpdate; |
| 24 | use MediaWiki\MainConfigNames; |
| 25 | use MediaWiki\MediaWikiServices; |
| 26 | use Wikimedia\Rdbms\IDatabase; |
| 27 | use Wikimedia\Rdbms\IReadableDatabase; |
| 28 | |
| 29 | /** |
| 30 | * Class designed for counting of stats. |
| 31 | */ |
| 32 | class SiteStatsInit { |
| 33 | /** @var IReadableDatabase */ |
| 34 | private $dbr; |
| 35 | /** @var int */ |
| 36 | private $edits; |
| 37 | /** @var int */ |
| 38 | private $articles; |
| 39 | /** @var int */ |
| 40 | private $pages; |
| 41 | /** @var int */ |
| 42 | private $users; |
| 43 | /** @var int */ |
| 44 | private $files; |
| 45 | |
| 46 | /** |
| 47 | * @param bool|IReadableDatabase $database |
| 48 | * - bool: Whether to use the primary DB |
| 49 | * - IDatabase: Database connection to use |
| 50 | */ |
| 51 | public function __construct( $database = false ) { |
| 52 | if ( $database instanceof IReadableDatabase ) { |
| 53 | $this->dbr = $database; |
| 54 | } elseif ( $database ) { |
| 55 | $this->dbr = self::getPrimaryDB(); |
| 56 | } else { |
| 57 | $this->dbr = self::getReplicaDB(); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Count the total number of edits |
| 63 | * @return int |
| 64 | */ |
| 65 | public function edits() { |
| 66 | $this->edits = $this->countTableRows( 'revision' ); |
| 67 | $this->edits += $this->countTableRows( 'archive' ); |
| 68 | |
| 69 | return $this->edits; |
| 70 | } |
| 71 | |
| 72 | private function countTableRows( string $tableName ) { |
| 73 | return (int)$this->dbr->newSelectQueryBuilder() |
| 74 | ->select( 'COUNT(*)' ) |
| 75 | ->from( $tableName ) |
| 76 | ->caller( __METHOD__ )->fetchField(); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Count pages in article space(s) |
| 81 | * @return int |
| 82 | */ |
| 83 | public function articles() { |
| 84 | $services = MediaWikiServices::getInstance(); |
| 85 | $queryBuilder = $this->dbr->newSelectQueryBuilder() |
| 86 | ->select( 'COUNT(DISTINCT page_id)' ) |
| 87 | ->from( 'page' ) |
| 88 | ->where( [ |
| 89 | 'page_namespace' => $services->getNamespaceInfo()->getContentNamespaces(), |
| 90 | 'page_is_redirect' => 0, |
| 91 | ] ); |
| 92 | |
| 93 | if ( $services->getMainConfig()->get( MainConfigNames::ArticleCountMethod ) == 'link' ) { |
| 94 | $queryBuilder->join( 'pagelinks', null, 'pl_from=page_id' ); |
| 95 | } |
| 96 | |
| 97 | $this->articles = $queryBuilder->caller( __METHOD__ )->fetchField(); |
| 98 | |
| 99 | return $this->articles; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Count total pages |
| 104 | * @return int |
| 105 | */ |
| 106 | public function pages() { |
| 107 | $this->pages = $this->countTableRows( 'page' ); |
| 108 | |
| 109 | return $this->pages; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Count total users |
| 114 | * @return int |
| 115 | */ |
| 116 | public function users() { |
| 117 | $this->users = $this->countTableRows( 'user' ); |
| 118 | |
| 119 | return $this->users; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Count total files |
| 124 | * @return int |
| 125 | */ |
| 126 | public function files() { |
| 127 | $this->files = $this->countTableRows( 'image' ); |
| 128 | |
| 129 | return $this->files; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Do all updates and commit them. More or less a replacement |
| 134 | * for the original initStats, but without output. |
| 135 | * |
| 136 | * @param IDatabase|bool $database |
| 137 | * - bool: Whether to use the primary DB |
| 138 | * - IDatabase: Database connection to use |
| 139 | * @param array $options Array of options, may contain the following values |
| 140 | * - activeUsers bool: Whether to update the number of active users (default: false) |
| 141 | */ |
| 142 | public static function doAllAndCommit( $database, array $options = [] ) { |
| 143 | $options += [ 'update' => false, 'activeUsers' => false ]; |
| 144 | |
| 145 | // Grab the object and count everything |
| 146 | $counter = new self( $database ); |
| 147 | |
| 148 | $counter->edits(); |
| 149 | $counter->articles(); |
| 150 | $counter->pages(); |
| 151 | $counter->users(); |
| 152 | $counter->files(); |
| 153 | |
| 154 | $counter->refresh(); |
| 155 | |
| 156 | // Count active users if need be |
| 157 | if ( $options['activeUsers'] ) { |
| 158 | SiteStatsUpdate::cacheUpdate( self::getPrimaryDB() ); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Insert a dummy row with all zeroes if no row is present |
| 164 | */ |
| 165 | public static function doPlaceholderInit() { |
| 166 | $dbw = self::getPrimaryDB(); |
| 167 | $exists = (bool)$dbw->newSelectQueryBuilder() |
| 168 | ->select( '1' ) |
| 169 | ->from( 'site_stats' ) |
| 170 | ->where( [ 'ss_row_id' => 1 ] ) |
| 171 | ->caller( __METHOD__ )->fetchField(); |
| 172 | if ( !$exists ) { |
| 173 | $dbw->newInsertQueryBuilder() |
| 174 | ->insertInto( 'site_stats' ) |
| 175 | ->ignore() |
| 176 | ->row( [ 'ss_row_id' => 1 ] + array_fill_keys( SiteStats::selectFields(), 0 ) ) |
| 177 | ->caller( __METHOD__ )->execute(); |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | private function getShardedValue( $value, $noShards, $rowId ) { |
| 182 | $remainder = $value % $noShards; |
| 183 | $quotient = (int)( ( $value - $remainder ) / $noShards ); |
| 184 | // Add the reminder to the first row |
| 185 | if ( $rowId === 1 ) { |
| 186 | return $quotient + $remainder; |
| 187 | } |
| 188 | return $quotient; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Refresh site_stats |
| 193 | */ |
| 194 | public function refresh() { |
| 195 | if ( MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::MultiShardSiteStats ) ) { |
| 196 | $shardCnt = SiteStatsUpdate::SHARDS_ON; |
| 197 | for ( $i = 1; $i <= $shardCnt; $i++ ) { |
| 198 | $set = [ |
| 199 | 'ss_total_edits' => $this->getShardedValue( $this->edits ?? $this->edits(), $shardCnt, $i ), |
| 200 | 'ss_good_articles' => $this->getShardedValue( $this->articles ?? $this->articles(), $shardCnt, $i ), |
| 201 | 'ss_total_pages' => $this->getShardedValue( $this->pages ?? $this->pages(), $shardCnt, $i ), |
| 202 | 'ss_users' => $this->getShardedValue( $this->users ?? $this->users(), $shardCnt, $i ), |
| 203 | 'ss_images' => $this->getShardedValue( $this->files ?? $this->files(), $shardCnt, $i ), |
| 204 | ]; |
| 205 | $row = [ 'ss_row_id' => $i ] + $set; |
| 206 | self::getPrimaryDB()->newInsertQueryBuilder() |
| 207 | ->insertInto( 'site_stats' ) |
| 208 | ->row( $row ) |
| 209 | ->onDuplicateKeyUpdate() |
| 210 | ->uniqueIndexFields( [ 'ss_row_id' ] ) |
| 211 | ->set( $set ) |
| 212 | ->caller( __METHOD__ )->execute(); |
| 213 | } |
| 214 | } else { |
| 215 | $set = [ |
| 216 | 'ss_total_edits' => $this->edits ?? $this->edits(), |
| 217 | 'ss_good_articles' => $this->articles ?? $this->articles(), |
| 218 | 'ss_total_pages' => $this->pages ?? $this->pages(), |
| 219 | 'ss_users' => $this->users ?? $this->users(), |
| 220 | 'ss_images' => $this->files ?? $this->files(), |
| 221 | ]; |
| 222 | $row = [ 'ss_row_id' => 1 ] + $set; |
| 223 | |
| 224 | self::getPrimaryDB()->newInsertQueryBuilder() |
| 225 | ->insertInto( 'site_stats' ) |
| 226 | ->row( $row ) |
| 227 | ->onDuplicateKeyUpdate() |
| 228 | ->uniqueIndexFields( [ 'ss_row_id' ] ) |
| 229 | ->set( $set ) |
| 230 | ->caller( __METHOD__ )->execute(); |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | private static function getReplicaDB(): IReadableDatabase { |
| 235 | return MediaWikiServices::getInstance() |
| 236 | ->getConnectionProvider() |
| 237 | ->getReplicaDatabase( false, 'vslow' ); |
| 238 | } |
| 239 | |
| 240 | private static function getPrimaryDB(): IDatabase { |
| 241 | return MediaWikiServices::getInstance() |
| 242 | ->getConnectionProvider() |
| 243 | ->getPrimaryDatabase(); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /** @deprecated class alias since 1.41 */ |
| 248 | class_alias( SiteStatsInit::class, 'SiteStatsInit' ); |