nextcloud/core/Command/Db/Migrations/GenerateFromSchemaFileComma...

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<?php
/**
* @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
* @author Maxence Lange <maxence@artificial-owl.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\Core\Command\Db\Migrations;
use Doctrine\DBAL\Schema\Schema;
use OC\DB\MDB2SchemaReader;
use OC\DB\MigrationService;
use OC\Migration\ConsoleOutput;
use OCP\App\IAppManager;
use OCP\IConfig;
use OCP\IDBConnection;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class GenerateFromSchemaFileCommand extends GenerateCommand {
/** @var IConfig */
protected $config;
public function __construct(IConfig $config, IAppManager $appManager, IDBConnection $connection) {
parent::__construct($connection, $appManager);
$this->config = $config;
}
protected function configure() {
parent::configure();
$this->setName('migrations:generate-from-schema');
}
public function execute(InputInterface $input, OutputInterface $output) {
$appName = $input->getArgument('app');
$version = $input->getArgument('version');
if (!preg_match('/^\d{1,16}$/',$version)) {
$output->writeln('<error>The given version is invalid. Only 0-9 are allowed (max. 16 digits)</error>');
return 1;
}
$schemaFile = $this->appManager->getAppPath($appName) . '/appinfo/database.xml';
if (!file_exists($schemaFile)) {
$output->writeln('<error>App ' . $appName . ' does not have a database.xml file</error>');
return 2;
}
$reader = new MDB2SchemaReader($this->config, $this->connection->getDatabasePlatform());
$schema = new Schema();
$reader->loadSchemaFromFile($schemaFile, $schema);
$schemaBody = $this->schemaToMigration($schema);
$ms = new MigrationService($appName, $this->connection, new ConsoleOutput($output));
$date = date('YmdHis');
$path = $this->generateMigration($ms, 'Version' . $version . 'Date' . $date, $schemaBody);
$output->writeln("New migration class has been generated to <info>$path</info>");
return 0;
}
/**
* @param Schema $schema
* @return string
*/
protected function schemaToMigration(Schema $schema) {
$content = <<<'EOT'
/** @var ISchemaWrapper $schema */
$schema = $schemaClosure();
EOT;
foreach ($schema->getTables() as $table) {
$content .= str_replace('{{table-name}}', substr($table->getName(), 3), <<<'EOT'
if (!$schema->hasTable('{{table-name}}')) {
$table = $schema->createTable('{{table-name}}');
EOT
);
foreach ($table->getColumns() as $column) {
$content .= str_replace(['{{name}}', '{{type}}'], [$column->getName(), $column->getType()->getName()], <<<'EOT'
$table->addColumn('{{name}}', '{{type}}', [
EOT
);
if ($column->getAutoincrement()) {
$content .= <<<'EOT'
'autoincrement' => true,
EOT;
}
$content .= str_replace('{{notnull}}', $column->getNotnull() ? 'true' : 'false', <<<'EOT'
'notnull' => {{notnull}},
EOT
);
if ($column->getLength() !== null) {
$content .= str_replace('{{length}}', $column->getLength(), <<<'EOT'
'length' => {{length}},
EOT
);
}
$default = $column->getDefault();
if ($default !== null) {
if (is_string($default)) {
$default = "'$default'";
} else if (is_bool($default)) {
$default = ($default === true) ? 'true' : 'false';
}
$content .= str_replace('{{default}}', $default, <<<'EOT'
'default' => {{default}},
EOT
);
}
if ($column->getUnsigned()) {
$content .= <<<'EOT'
'unsigned' => true,
EOT;
}
$content .= <<<'EOT'
]);
EOT;
}
$content .= <<<'EOT'
EOT;
$primaryKey = $table->getPrimaryKey();
if ($primaryKey !== null) {
$content .= str_replace('{{columns}}', implode('\', \'', $primaryKey->getUnquotedColumns()), <<<'EOT'
$table->setPrimaryKey(['{{columns}}']);
EOT
);
}
foreach ($table->getIndexes() as $index) {
if ($index->isPrimary()) {
continue;
}
if ($index->isUnique()) {
$content .= str_replace(
['{{columns}}', '{{name}}'],
[implode('\', \'', $index->getUnquotedColumns()), $index->getName()],
<<<'EOT'
$table->addUniqueIndex(['{{columns}}'], '{{name}}');
EOT
);
} else {
$content .= str_replace(
['{{columns}}', '{{name}}'],
[implode('\', \'', $index->getUnquotedColumns()), $index->getName()],
<<<'EOT'
$table->addIndex(['{{columns}}'], '{{name}}');
EOT
);
}
}
$content .= <<<'EOT'
}
EOT;
}
$content .= <<<'EOT'
return $schema;
EOT;
return $content;
}
}