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| <?php | |
| use MediaWiki\MediaWikiServices; | |
| use MediaWiki\Session\SessionManager; | |
| /** | |
| * Collection Extension for MediaWiki | |
| * | |
| * Copyright (C) PediaPress GmbH | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License along | |
| * with this program; if not, write to the Free Software Foundation, Inc., | |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| * http://www.gnu.org/copyleft/gpl.html | |
| */ | |
| class CollectionSession { | |
| /** | |
| * @return bool | |
| */ | |
| public static function hasSession() { | |
| $session = SessionManager::getGlobalSession(); | |
| return isset( $session['wsCollection'] ); | |
| } | |
| public static function startSession() { | |
| $session = SessionManager::getGlobalSession(); | |
| $session->persist(); | |
| self::clearCollection(); | |
| } | |
| public static function touchSession() { | |
| $session = SessionManager::getGlobalSession(); | |
| $collection = $session['wsCollection']; | |
| $collection['timestamp'] = wfTimestampNow(); | |
| $session['wsCollection'] = $collection; | |
| } | |
| public static function clearCollection() { | |
| $session = SessionManager::getGlobalSession(); | |
| $session['wsCollection'] = [ | |
| 'enabled' => true, | |
| 'title' => '', | |
| 'subtitle' => '', | |
| 'settings' => [], | |
| 'items' => [], | |
| ]; | |
| CollectionSuggest::clear(); | |
| self::touchSession(); | |
| } | |
| public static function enable() { | |
| $session = SessionManager::getGlobalSession(); | |
| $session->persist(); | |
| $session['wsCollection']['enabled'] = true; | |
| self::touchSession(); | |
| } | |
| public static function disable() { | |
| $session = SessionManager::getGlobalSession(); | |
| if ( !isset( $session['wsCollection'] ) ) { | |
| return; | |
| } | |
| self::clearCollection(); | |
| $session['wsCollection']['enabled'] = false; | |
| self::touchSession(); | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public static function isEnabled() { | |
| $session = SessionManager::getGlobalSession(); | |
| return isset( $session['wsCollection'] ) && | |
| isset( $session['wsCollection']['enabled'] ) && | |
| $session['wsCollection']['enabled']; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public static function hasItems() { | |
| $session = SessionManager::getGlobalSession(); | |
| return isset( $session['wsCollection'] ) && | |
| isset( $session['wsCollection']['items'] ); | |
| } | |
| /** | |
| * @return int | |
| */ | |
| public static function countArticles() { | |
| $session = SessionManager::getGlobalSession(); | |
| if ( !self::hasItems() ) { | |
| return 0; | |
| } | |
| $count = 0; | |
| foreach ( $session['wsCollection']['items'] as $item ) { | |
| if ( $item['type'] == 'article' ) { | |
| $count++; | |
| } | |
| } | |
| return $count; | |
| } | |
| /** | |
| * @param string $title | |
| * @param int $oldid | |
| * @return int | |
| */ | |
| public static function findArticle( $title, $oldid = 0 ) { | |
| if ( !self::hasItems() ) { | |
| return -1; | |
| } | |
| $session = SessionManager::getGlobalSession(); | |
| foreach ( $session['wsCollection']['items'] as $index => $item ) { | |
| if ( $item['type'] == 'article' && $item['title'] == $title ) { | |
| if ( $oldid ) { | |
| if ( $item['revision'] == strval( $oldid ) ) { | |
| return $index; | |
| } | |
| } else { | |
| if ( $item['revision'] == $item['latest'] ) { | |
| return $index; | |
| } | |
| } | |
| } | |
| } | |
| return -1; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public static function purge() { | |
| $session = SessionManager::getGlobalSession(); | |
| if ( !isset( $session['wsCollection'] ) ) { | |
| return false; | |
| } | |
| $coll = $session['wsCollection']; | |
| $newitems = []; | |
| if ( isset( $coll['items'] ) ) { | |
| $batch = new LinkBatch; | |
| $lc = MediaWikiServices::getInstance()->getLinkCache(); | |
| foreach ( $coll['items'] as $item ) { | |
| if ( $item['type'] == 'article' ) { | |
| $t = Title::newFromText( $item['title'] ); | |
| $batch->addObj( $t ); | |
| } | |
| } | |
| $batch->execute(); | |
| foreach ( $coll['items'] as $item ) { | |
| if ( $item['type'] == 'article' ) { | |
| $t = Title::newFromText( $item['title'] ); | |
| if ( $t && !$lc->isBadLink( $t->getPrefixedDBkey() ) ) { | |
| $newitems[] = $item; | |
| } | |
| } else { | |
| $newitems[] = $item; | |
| } | |
| } | |
| } | |
| $coll['items'] = $newitems; | |
| $session['wsCollection'] = $coll; | |
| return true; | |
| } | |
| /** | |
| * @return array | |
| */ | |
| public static function getCollection() { | |
| $session = SessionManager::getGlobalSession(); | |
| $collection = self::purge() ? $session['wsCollection'] : []; | |
| return array_merge( [ | |
| /* Make sure required properties are present. */ | |
| 'title' => '', | |
| 'subtitle' => '', | |
| 'settings' => [], | |
| 'items' => [], | |
| ], $collection ); | |
| } | |
| /** | |
| * @param array $collection | |
| */ | |
| public static function setCollection( array $collection ) { | |
| $session = SessionManager::getGlobalSession(); | |
| $session['wsCollection'] = $collection; | |
| self::touchSession(); | |
| } | |
| } |