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<?php
/**
* @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\DB;
use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Schema\Schema;
use OCP\IDBConnection;
class SchemaWrapper {
/** @var IDBConnection|Connection */
protected $connection;
/** @var Schema */
protected $schema;
/** @var array */
protected $tablesToDelete = [];
/**
* @param IDBConnection $connection
*/
public function __construct(IDBConnection $connection) {
$this->connection = $connection;
$this->schema = $this->connection->createSchema();
}
public function getWrappedSchema() {
return $this->schema;
}
public function performDropTableCalls() {
foreach ($this->tablesToDelete as $tableName => $true) {
$this->connection->dropTable($tableName);
unset($this->tablesToDelete[$tableName]);
}
}
/**
* Gets all table names
*
* @return array
*/
public function getTableNamesWithoutPrefix() {
$tableNames = $this->schema->getTableNames();
return array_map(function($tableName) {
if (strpos($tableName, $this->connection->getPrefix()) === 0) {
return substr($tableName, strlen($this->connection->getPrefix()));
}
return $tableName;
}, $tableNames);
}
// Overwritten methods
/**
* @param string $tableName
*
* @return \Doctrine\DBAL\Schema\Table
* @throws \Doctrine\DBAL\Schema\SchemaException
*/
public function getTable($tableName) {
return $this->schema->getTable($this->connection->getPrefix() . $tableName);
}
/**
* Does this schema have a table with the given name?
*
* @param string $tableName
*
* @return boolean
*/
public function hasTable($tableName) {
return $this->schema->hasTable($this->connection->getPrefix() . $tableName);
}
/**
* Creates a new table.
*
* @param string $tableName
* @return \Doctrine\DBAL\Schema\Table
*/
public function createTable($tableName) {
return $this->schema->createTable($this->connection->getPrefix() . $tableName);
}
/**
* Renames a table.
*
* @param string $oldTableName
* @param string $newTableName
*
* @return \Doctrine\DBAL\Schema\Schema
* @throws DBALException
*/
public function renameTable($oldTableName, $newTableName) {
throw new DBALException('Renaming tables is not supported. Please create and drop the tables manually.');
}
/**
* Drops a table from the schema.
*
* @param string $tableName
* @return \Doctrine\DBAL\Schema\Schema
*/
public function dropTable($tableName) {
$this->tablesToDelete[$tableName] = true;
return $this->schema->dropTable($this->connection->getPrefix() . $tableName);
}
/**
* @param string $name
* @param array $arguments
* @return mixed
*/
public function __call($name, $arguments) {
return call_user_func_array([$this->schema, $name], $arguments);
}
}
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