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111 lines
3 KiB
PHP
111 lines
3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Victor Dubiniuk <dubiniuk@owncloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC;
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use Doctrine\DBAL\Platforms\MySqlPlatform;
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use OCP\IDBConnection;
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/**
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* Class to store release notes
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*/
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class ReleaseNotes {
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/** @var IDBConnection $dbConnection */
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protected $dbConnection;
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/**
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* @param IDBConnection $dbConnection
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*/
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public function __construct(IDBConnection $dbConnection) {
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$this->dbConnection = $dbConnection;
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}
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/**
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* @param string $fromVersion
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* @param string $toVersion
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* @return string[]
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*/
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public function getReleaseNotes($fromVersion, $toVersion) {
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$releaseNotes = [];
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$l10n = \OC::$server->getL10N('core');
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try {
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$fromVersionMajorMinor = $this->getMajorMinor($fromVersion);
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} catch (\InvalidArgumentException $e) {
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$fromVersionMajorMinor = '';
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}
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try {
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$toVersionMajorMinor = $this->getMajorMinor($toVersion);
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} catch (\InvalidArgumentException $e) {
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$toVersionMajorMinor = '';
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}
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if ($fromVersionMajorMinor === '8.2' && $toVersionMajorMinor === '9.0') {
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if ($this->isMysql() && $this->countFilecacheEntries() > 200000) {
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$releaseNotes[] = $l10n->t(
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'Hint: You can speed up the upgrade by executing this SQL command manually: ALTER TABLE %s ADD COLUMN checksum varchar(255) DEFAULT NULL AFTER permissions;',
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[$this->dbConnection->getQueryBuilder()->getTableName('filecache')]
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);
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}
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}
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return $releaseNotes;
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}
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/**
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* @return bool
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*/
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protected function isMysql(){
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return $this->dbConnection->getDatabasePlatform() instanceof MySqlPlatform;
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}
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/**
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* Count entries in filecache table
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* @return int
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*/
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protected function countFilecacheEntries(){
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$query = $this->dbConnection->getQueryBuilder();
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$query->selectAlias($query->createFunction('COUNT(*)'), 'num_entries')
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->from('filecache');
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$result = $query->execute();
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$row = $result->fetch();
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$result->closeCursor();
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return (int) $row['num_entries'];
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}
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/**
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* Strip everything except first digits
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* @param string $version
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* @return string
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* @throws \InvalidArgumentException
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*/
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private function getMajorMinor($version){
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$versionArray = explode('.', $version);
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if (count($versionArray) < 2) {
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throw new \InvalidArgumentException('Version should have at least 2 parts separated by dot.');
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}
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return implode('.', [ $versionArray[0], $versionArray[1] ]);
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}
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}
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