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183 lines
5.4 KiB
183 lines
5.4 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Bart Visscher <bartv@thisnet.nl> |
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* @author Jörn Friedrich Dreyer <jfd@butonic.de> |
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* @author Morris Jobke <hey@morrisjobke.de> |
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* @author tbelau666 <thomas.belau@gmx.de> |
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* @author Thomas Müller <thomas.mueller@tmit.eu> |
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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\DB; |
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use Doctrine\DBAL\Schema\Column; |
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use Doctrine\DBAL\Schema\Index; |
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class MDB2SchemaWriter { |
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/** |
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* @param string $file |
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* @param \OC\DB\Connection $conn |
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* @return bool |
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*/ |
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static public function saveSchemaToFile($file, \OC\DB\Connection $conn) { |
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$config = \OC::$server->getConfig(); |
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$xml = new \SimpleXMLElement('<database/>'); |
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$xml->addChild('name', $config->getSystemValue('dbname', 'owncloud')); |
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$xml->addChild('create', 'true'); |
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$xml->addChild('overwrite', 'false'); |
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if($config->getSystemValue('dbtype', 'sqlite') === 'mysql' && $config->getSystemValue('mysql.utf8mb4', false)) { |
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$xml->addChild('charset', 'utf8mb4'); |
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} else { |
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$xml->addChild('charset', 'utf8'); |
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} |
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// FIX ME: bloody work around |
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if ($config->getSystemValue('dbtype', 'sqlite') === 'oci') { |
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$filterExpression = '/^"' . preg_quote($conn->getPrefix()) . '/'; |
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} else { |
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$filterExpression = '/^' . preg_quote($conn->getPrefix()) . '/'; |
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} |
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$conn->getConfiguration()->setFilterSchemaAssetsExpression($filterExpression); |
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foreach ($conn->getSchemaManager()->listTables() as $table) { |
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self::saveTable($table, $xml->addChild('table')); |
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} |
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file_put_contents($file, $xml->asXML()); |
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return true; |
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} |
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/** |
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* @param \Doctrine\DBAL\Schema\Table $table |
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* @param \SimpleXMLElement $xml |
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*/ |
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private static function saveTable($table, $xml) { |
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$xml->addChild('name', $table->getName()); |
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$declaration = $xml->addChild('declaration'); |
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foreach($table->getColumns() as $column) { |
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self::saveColumn($column, $declaration->addChild('field')); |
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} |
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foreach($table->getIndexes() as $index) { |
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if ($index->getName() == 'PRIMARY') { |
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$autoincrement = false; |
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foreach($index->getColumns() as $column) { |
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if ($table->getColumn($column)->getAutoincrement()) { |
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$autoincrement = true; |
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} |
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} |
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if ($autoincrement) { |
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continue; |
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} |
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} |
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self::saveIndex($index, $declaration->addChild('index')); |
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} |
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} |
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/** |
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* @param Column $column |
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* @param \SimpleXMLElement $xml |
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*/ |
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private static function saveColumn($column, $xml) { |
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$xml->addChild('name', $column->getName()); |
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switch($column->getType()) { |
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case 'SmallInt': |
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case 'Integer': |
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case 'BigInt': |
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$xml->addChild('type', 'integer'); |
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$default = $column->getDefault(); |
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if (is_null($default) && $column->getAutoincrement()) { |
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$default = '0'; |
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} |
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$xml->addChild('default', $default); |
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$xml->addChild('notnull', self::toBool($column->getNotnull())); |
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if ($column->getAutoincrement()) { |
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$xml->addChild('autoincrement', '1'); |
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} |
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if ($column->getUnsigned()) { |
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$xml->addChild('unsigned', 'true'); |
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} |
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$length = '4'; |
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if ($column->getType() == 'SmallInt') { |
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$length = '2'; |
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} |
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elseif ($column->getType() == 'BigInt') { |
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$length = '8'; |
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} |
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$xml->addChild('length', $length); |
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break; |
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case 'String': |
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$xml->addChild('type', 'text'); |
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$default = trim($column->getDefault()); |
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if ($default === '') { |
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$default = false; |
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} |
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$xml->addChild('default', $default); |
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$xml->addChild('notnull', self::toBool($column->getNotnull())); |
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$xml->addChild('length', $column->getLength()); |
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break; |
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case 'Text': |
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$xml->addChild('type', 'clob'); |
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$xml->addChild('notnull', self::toBool($column->getNotnull())); |
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break; |
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case 'Decimal': |
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$xml->addChild('type', 'decimal'); |
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$xml->addChild('default', $column->getDefault()); |
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$xml->addChild('notnull', self::toBool($column->getNotnull())); |
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$xml->addChild('length', '15'); |
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break; |
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case 'Boolean': |
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$xml->addChild('type', 'integer'); |
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$xml->addChild('default', $column->getDefault()); |
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$xml->addChild('notnull', self::toBool($column->getNotnull())); |
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$xml->addChild('length', '1'); |
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break; |
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case 'DateTime': |
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$xml->addChild('type', 'timestamp'); |
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$xml->addChild('default', $column->getDefault()); |
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$xml->addChild('notnull', self::toBool($column->getNotnull())); |
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break; |
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} |
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} |
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/** |
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* @param Index $index |
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* @param \SimpleXMLElement $xml |
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*/ |
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private static function saveIndex($index, $xml) { |
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$xml->addChild('name', $index->getName()); |
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if ($index->isPrimary()) { |
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$xml->addChild('primary', 'true'); |
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} |
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elseif ($index->isUnique()) { |
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$xml->addChild('unique', 'true'); |
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} |
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foreach($index->getColumns() as $column) { |
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$field = $xml->addChild('field'); |
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$field->addChild('name', $column); |
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$field->addChild('sorting', 'ascending'); |
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} |
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} |
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private static function toBool($bool) { |
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return $bool ? 'true' : 'false'; |
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} |
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}
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