113 lines
3.3 KiB
PHP
113 lines
3.3 KiB
PHP
<?php
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/**
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* The model file of upgrade module of ZenTaoMS.
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*
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* ZenTaoMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ZenTaoMS 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with ZenTaoMS. If not, see <http://www.gnu.org/licenses/>.
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*
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* @copyright Copyright: 2009 Chunsheng Wang
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* @author Chunsheng Wang <wwccss@263.net>
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* @package upgrade
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* @version $Id$
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* @link http://www.zentao.cn
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*/
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?>
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<?php
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class upgradeModel extends model
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{
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static $errors = array();
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/* 统一的升级入口，根据升级版本的不同，调用不同的升级步骤程序。*/
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public function execute($fromVersion)
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{
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if($fromVersion == '0_3')
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{
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$this->upgradeFrom0_3To0_4();
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}
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}
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/* 从0.3版本升级到0.4版本。*/
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private function upgradeFrom0_3To0_4()
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{
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$upgradeFile = $this->app->getAppRoot() . 'db' . $this->app->getPathFix() . 'update0.3.sql';
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$this->execSQL($upgradeFile);
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if(!$this->isError())
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{
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$this->updateVersion('0.4 beta');
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}
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}
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/* 更新PMS的版本设置。*/
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public function updateVersion($version)
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{
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$item->owner = 'system';
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$item->section = 'global';
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$item->key = 'version';
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$item->value = $version;
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$configID = $this->dao->select('id')->from(TABLE_CONFIG)
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->where('owner')->eq('system')
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->andWhere('section')->eq('global')
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->andWhere('`key`')->eq('version')
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->fetch('id');
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if($configID > 0)
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{
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$this->dao->update(TABLE_CONFIG)->data($item)->where('id')->eq($configID)->exec();
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}
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else
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{
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$this->dao->insert(TABLE_CONFIG)->data($item)->exec();
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}
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}
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/* 执行SQL。*/
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private function execSQL($sqlFile)
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{
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$mysqlVersion = $this->loadModel('install')->getMysqlVersion();
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$sqls = explode(';', file_get_contents($sqlFile));
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foreach($sqls as $sql)
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{
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$sql = trim($sql);
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if(empty($sql)) continue;
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if(strpos($sql, 'CREATE') !== false and $mysqlVersion <= 4.1)
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{
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$sql = str_replace('DEFAULT CHARSET=utf8', '', $sql);
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}
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$sql = str_replace('zt_', $this->config->db->prefix, $sql);
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try
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{
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$this->dbh->exec($sql);
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}
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catch (PDOException $e)
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{
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self::$errors[] = $e->getMessage() . "<p>The sql is: $sql</p>";
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}
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}
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}
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/* 判断是否有误。*/
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public function isError()
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{
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return !empty(self::$errors);
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}
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/* 获得升级过程中的错误。*/
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public function getError()
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{
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$errors = self::$errors;
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self::$errors = array();
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return $errors;
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}
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}
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