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Diffstat (limited to 'lib/private/db/mdb2schemamanager.php')
| -rw-r--r-- | lib/private/db/mdb2schemamanager.php | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/lib/private/db/mdb2schemamanager.php b/lib/private/db/mdb2schemamanager.php deleted file mode 100644 index f73f6b4351a..00000000000 --- a/lib/private/db/mdb2schemamanager.php +++ /dev/null @@ -1,178 +0,0 @@ -<?php -/** - * @author Bart Visscher <bartv@thisnet.nl> - * @author Jörn Friedrich Dreyer <jfd@butonic.de> - * @author Lukas Reschke <lukas@owncloud.com> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <icewind@owncloud.com> - * @author Roeland Jago Douma <rullzer@owncloud.com> - * @author Thomas Müller <thomas.mueller@tmit.eu> - * @author Vincent Petry <pvince81@owncloud.com> - * - * @copyright Copyright (c) 2016, ownCloud, Inc. - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * 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, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * - */ - -namespace OC\DB; - -use Doctrine\DBAL\Platforms\MySqlPlatform; -use Doctrine\DBAL\Platforms\OraclePlatform; -use Doctrine\DBAL\Platforms\PostgreSqlPlatform; -use Doctrine\DBAL\Platforms\SqlitePlatform; -use OCP\IDBConnection; - -class MDB2SchemaManager { - /** @var \OC\DB\Connection $conn */ - protected $conn; - - /** - * @param IDBConnection $conn - */ - public function __construct($conn) { - $this->conn = $conn; - } - - /** - * saves database scheme to xml file - * @param string $file name of file - * @return bool - * - * TODO: write more documentation - */ - public function getDbStructure($file) { - return \OC\DB\MDB2SchemaWriter::saveSchemaToFile($file, $this->conn); - } - - /** - * Creates tables from XML file - * @param string $file file to read structure from - * @return bool - * - * TODO: write more documentation - */ - public function createDbFromStructure($file) { - $schemaReader = new MDB2SchemaReader(\OC::$server->getConfig(), $this->conn->getDatabasePlatform()); - $toSchema = $schemaReader->loadSchemaFromFile($file); - return $this->executeSchemaChange($toSchema); - } - - /** - * @return \OC\DB\Migrator - */ - public function getMigrator() { - $random = \OC::$server->getSecureRandom(); - $platform = $this->conn->getDatabasePlatform(); - $config = \OC::$server->getConfig(); - $dispatcher = \OC::$server->getEventDispatcher(); - if ($platform instanceof SqlitePlatform) { - return new SQLiteMigrator($this->conn, $random, $config, $dispatcher); - } else if ($platform instanceof OraclePlatform) { - return new OracleMigrator($this->conn, $random, $config, $dispatcher); - } else if ($platform instanceof MySqlPlatform) { - return new MySQLMigrator($this->conn, $random, $config, $dispatcher); - } else if ($platform instanceof PostgreSqlPlatform) { - return new Migrator($this->conn, $random, $config, $dispatcher); - } else { - return new NoCheckMigrator($this->conn, $random, $config, $dispatcher); - } - } - - /** - * Reads database schema from file - * - * @param string $file file to read from - * @return \Doctrine\DBAL\Schema\Schema - */ - private function readSchemaFromFile($file) { - $platform = $this->conn->getDatabasePlatform(); - $schemaReader = new MDB2SchemaReader(\OC::$server->getConfig(), $platform); - return $schemaReader->loadSchemaFromFile($file); - } - - /** - * update the database scheme - * @param string $file file to read structure from - * @param bool $generateSql only return the sql needed for the upgrade - * @return string|boolean - */ - public function updateDbFromStructure($file, $generateSql = false) { - $toSchema = $this->readSchemaFromFile($file); - $migrator = $this->getMigrator(); - - if ($generateSql) { - return $migrator->generateChangeScript($toSchema); - } else { - $migrator->migrate($toSchema); - return true; - } - } - - /** - * update the database scheme - * @param string $file file to read structure from - * @return boolean - */ - public function simulateUpdateDbFromStructure($file) { - $toSchema = $this->readSchemaFromFile($file); - $this->getMigrator()->checkMigrate($toSchema); - return true; - } - - /** - * @param \Doctrine\DBAL\Schema\Schema $schema - * @return string - */ - public function generateChangeScript($schema) { - $migrator = $this->getMigrator(); - return $migrator->generateChangeScript($schema); - } - - /** - * remove all tables defined in a database structure xml file - * - * @param string $file the xml file describing the tables - */ - public function removeDBStructure($file) { - $schemaReader = new MDB2SchemaReader(\OC::$server->getConfig(), $this->conn->getDatabasePlatform()); - $fromSchema = $schemaReader->loadSchemaFromFile($file); - $toSchema = clone $fromSchema; - /** @var $table \Doctrine\DBAL\Schema\Table */ - foreach ($toSchema->getTables() as $table) { - $toSchema->dropTable($table->getName()); - } - $comparator = new \Doctrine\DBAL\Schema\Comparator(); - $schemaDiff = $comparator->compare($fromSchema, $toSchema); - $this->executeSchemaChange($schemaDiff); - } - - /** - * @param \Doctrine\DBAL\Schema\Schema|\Doctrine\DBAL\Schema\SchemaDiff $schema - * @return bool - */ - private function executeSchemaChange($schema) { - $this->conn->beginTransaction(); - foreach ($schema->toSql($this->conn->getDatabasePlatform()) as $sql) { - $this->conn->query($sql); - } - $this->conn->commit(); - - if ($this->conn->getDatabasePlatform() instanceof SqlitePlatform) { - $this->conn->close(); - $this->conn->connect(); - } - return true; - } -} |