143 lines
3.9 KiB
PHP
143 lines
3.9 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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class OC_DB_MDB2SchemaWriter {
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/**
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* @param string $file
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* @param \Doctrine\DBAL\Schema\AbstractSchemaManager $sm
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* @return bool
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*/
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static public function saveSchemaToFile($file, $sm) {
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$xml = new SimpleXMLElement('<database/>');
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$xml->addChild('name', OC_Config::getValue( "dbname", "owncloud" ));
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$xml->addChild('create', 'true');
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$xml->addChild('overwrite', 'false');
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$xml->addChild('charset', 'utf8');
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foreach ($sm->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 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 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 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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