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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\Site; |
| 22 | |
| 23 | use Wikimedia\Rdbms\IConnectionProvider; |
| 24 | use Wikimedia\Rdbms\IDatabase; |
| 25 | |
| 26 | /** |
| 27 | * Holds a list of sites stored in the database. |
| 28 | * |
| 29 | * @since 1.25 |
| 30 | * @ingroup Site |
| 31 | * @author Jeroen De Dauw < jeroendedauw@gmail.com > |
| 32 | * @author Daniel Kinzler |
| 33 | */ |
| 34 | class DBSiteStore implements SiteStore { |
| 35 | /** @var SiteList|null */ |
| 36 | protected $sites = null; |
| 37 | /** @var IConnectionProvider */ |
| 38 | private $dbProvider; |
| 39 | |
| 40 | /** |
| 41 | * @since 1.27 |
| 42 | * @param IConnectionProvider $dbProvider |
| 43 | */ |
| 44 | public function __construct( IConnectionProvider $dbProvider ) { |
| 45 | $this->dbProvider = $dbProvider; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * @see SiteStore::getSites |
| 50 | * |
| 51 | * @since 1.25 |
| 52 | * @return SiteList |
| 53 | */ |
| 54 | public function getSites() { |
| 55 | $this->loadSites(); |
| 56 | |
| 57 | return $this->sites; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Fetches the site from the database and loads them into the sites field. |
| 62 | * |
| 63 | * @since 1.25 |
| 64 | */ |
| 65 | protected function loadSites() { |
| 66 | $this->sites = new SiteList(); |
| 67 | |
| 68 | $dbr = $this->dbProvider->getReplicaDatabase(); |
| 69 | |
| 70 | $res = $dbr->newSelectQueryBuilder() |
| 71 | ->select( [ |
| 72 | 'site_id', |
| 73 | 'site_global_key', |
| 74 | 'site_type', |
| 75 | 'site_group', |
| 76 | 'site_source', |
| 77 | 'site_language', |
| 78 | 'site_protocol', |
| 79 | 'site_domain', |
| 80 | 'site_data', |
| 81 | 'site_forward', |
| 82 | 'site_config', |
| 83 | ] ) |
| 84 | ->from( 'sites' ) |
| 85 | ->orderBy( 'site_global_key' ) |
| 86 | ->caller( __METHOD__ )->fetchResultSet(); |
| 87 | |
| 88 | foreach ( $res as $row ) { |
| 89 | $site = Site::newForType( $row->site_type ); |
| 90 | $site->setGlobalId( $row->site_global_key ); |
| 91 | $site->setInternalId( (int)$row->site_id ); |
| 92 | $site->setForward( (bool)$row->site_forward ); |
| 93 | $site->setGroup( $row->site_group ); |
| 94 | $site->setLanguageCode( $row->site_language === '' |
| 95 | ? null |
| 96 | : $row->site_language |
| 97 | ); |
| 98 | $site->setSource( $row->site_source ); |
| 99 | $site->setExtraData( unserialize( $row->site_data ) ); |
| 100 | $site->setExtraConfig( unserialize( $row->site_config ) ); |
| 101 | $this->sites[] = $site; |
| 102 | } |
| 103 | |
| 104 | // Batch load the local site identifiers. |
| 105 | $ids = $dbr->newSelectQueryBuilder() |
| 106 | ->select( [ 'si_site', 'si_type', 'si_key', ] ) |
| 107 | ->from( 'site_identifiers' ) |
| 108 | ->caller( __METHOD__ )->fetchResultSet(); |
| 109 | |
| 110 | foreach ( $ids as $id ) { |
| 111 | if ( $this->sites->hasInternalId( $id->si_site ) ) { |
| 112 | $site = $this->sites->getSiteByInternalId( $id->si_site ); |
| 113 | $site->addLocalId( $id->si_type, $id->si_key ); |
| 114 | $this->sites->setSite( $site ); |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * @see SiteStore::getSite |
| 121 | * |
| 122 | * @since 1.25 |
| 123 | * @param string $globalId |
| 124 | * @return Site|null |
| 125 | */ |
| 126 | public function getSite( $globalId ) { |
| 127 | if ( $this->sites === null ) { |
| 128 | $this->sites = $this->getSites(); |
| 129 | } |
| 130 | |
| 131 | return $this->sites->hasSite( $globalId ) ? $this->sites->getSite( $globalId ) : null; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * @see SiteStore::saveSite |
| 136 | * |
| 137 | * @since 1.25 |
| 138 | * @param Site $site |
| 139 | * @return bool Success indicator |
| 140 | */ |
| 141 | public function saveSite( Site $site ) { |
| 142 | return $this->saveSites( [ $site ] ); |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * @see SiteStore::saveSites |
| 147 | * |
| 148 | * @since 1.25 |
| 149 | * @param Site[] $sites |
| 150 | * @return bool Success indicator |
| 151 | */ |
| 152 | public function saveSites( array $sites ) { |
| 153 | if ( !$sites ) { |
| 154 | return true; |
| 155 | } |
| 156 | |
| 157 | $dbw = $this->dbProvider->getPrimaryDatabase(); |
| 158 | |
| 159 | $dbw->startAtomic( __METHOD__ ); |
| 160 | |
| 161 | $internalIds = []; |
| 162 | $localIds = []; |
| 163 | |
| 164 | foreach ( $sites as $site ) { |
| 165 | if ( $site->getInternalId() !== null ) { |
| 166 | $internalIds[] = $site->getInternalId(); |
| 167 | } |
| 168 | |
| 169 | $fields = [ |
| 170 | // Site data |
| 171 | 'site_global_key' => $site->getGlobalId(), // TODO: check not null |
| 172 | 'site_type' => $site->getType(), |
| 173 | 'site_group' => $site->getGroup(), |
| 174 | 'site_source' => $site->getSource(), |
| 175 | 'site_language' => $site->getLanguageCode() ?? '', |
| 176 | 'site_protocol' => $site->getProtocol(), |
| 177 | 'site_domain' => strrev( $site->getDomain() ?? '' ) . '.', |
| 178 | 'site_data' => serialize( $site->getExtraData() ), |
| 179 | |
| 180 | // Site config |
| 181 | 'site_forward' => $site->shouldForward() ? 1 : 0, |
| 182 | 'site_config' => serialize( $site->getExtraConfig() ), |
| 183 | ]; |
| 184 | |
| 185 | $rowId = $site->getInternalId(); |
| 186 | if ( $rowId !== null ) { |
| 187 | $dbw->newUpdateQueryBuilder() |
| 188 | ->update( 'sites' ) |
| 189 | ->set( $fields ) |
| 190 | ->where( [ 'site_id' => $rowId ] ) |
| 191 | ->caller( __METHOD__ )->execute(); |
| 192 | } else { |
| 193 | $dbw->newInsertQueryBuilder() |
| 194 | ->insertInto( 'sites' ) |
| 195 | ->row( $fields ) |
| 196 | ->caller( __METHOD__ )->execute(); |
| 197 | $rowId = $dbw->insertId(); |
| 198 | } |
| 199 | |
| 200 | foreach ( $site->getLocalIds() as $idType => $ids ) { |
| 201 | foreach ( $ids as $id ) { |
| 202 | $localIds[] = [ $rowId, $idType, $id ]; |
| 203 | } |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | if ( $internalIds !== [] ) { |
| 208 | $dbw->newDeleteQueryBuilder() |
| 209 | ->deleteFrom( 'site_identifiers' ) |
| 210 | ->where( [ 'si_site' => $internalIds ] ) |
| 211 | ->caller( __METHOD__ )->execute(); |
| 212 | } |
| 213 | |
| 214 | foreach ( $localIds as $localId ) { |
| 215 | $dbw->newInsertQueryBuilder() |
| 216 | ->insertInto( 'site_identifiers' ) |
| 217 | ->row( [ 'si_site' => $localId[0], 'si_type' => $localId[1], 'si_key' => $localId[2] ] ) |
| 218 | ->caller( __METHOD__ )->execute(); |
| 219 | } |
| 220 | |
| 221 | $dbw->endAtomic( __METHOD__ ); |
| 222 | |
| 223 | $this->reset(); |
| 224 | |
| 225 | return true; |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * Resets the SiteList |
| 230 | * |
| 231 | * @since 1.25 |
| 232 | */ |
| 233 | public function reset() { |
| 234 | $this->sites = null; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Clears the list of sites stored in the database. |
| 239 | * |
| 240 | * @see SiteStore::clear() |
| 241 | */ |
| 242 | public function clear() { |
| 243 | $dbw = $this->dbProvider->getPrimaryDatabase(); |
| 244 | |
| 245 | $dbw->startAtomic( __METHOD__ ); |
| 246 | $dbw->newDeleteQueryBuilder() |
| 247 | ->deleteFrom( 'sites' ) |
| 248 | ->where( IDatabase::ALL_ROWS ) |
| 249 | ->caller( __METHOD__ )->execute(); |
| 250 | $dbw->newDeleteQueryBuilder() |
| 251 | ->deleteFrom( 'site_identifiers' ) |
| 252 | ->where( IDatabase::ALL_ROWS ) |
| 253 | ->caller( __METHOD__ )->execute(); |
| 254 | $dbw->endAtomic( __METHOD__ ); |
| 255 | |
| 256 | $this->reset(); |
| 257 | } |
| 258 | |
| 259 | } |
| 260 | |
| 261 | /** @deprecated class alias since 1.42 */ |
| 262 | class_alias( DBSiteStore::class, 'DBSiteStore' ); |