nextcloud/lib/private/DB/Exceptions/DbalException.php

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<?php
declare(strict_types=1);
/*
* @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @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\Exceptions;
use Doctrine\DBAL\ConnectionException;
use Doctrine\DBAL\Exception\ConstraintViolationException;
use Doctrine\DBAL\Exception\DatabaseObjectExistsException;
use Doctrine\DBAL\Exception\DatabaseObjectNotFoundException;
use Doctrine\DBAL\Exception\DeadlockException;
use Doctrine\DBAL\Exception\DriverException;
use Doctrine\DBAL\Exception\ForeignKeyConstraintViolationException;
use Doctrine\DBAL\Exception\InvalidArgumentException;
use Doctrine\DBAL\Exception\InvalidFieldNameException;
use Doctrine\DBAL\Exception\NonUniqueFieldNameException;
use Doctrine\DBAL\Exception\NotNullConstraintViolationException;
use Doctrine\DBAL\Exception\ServerException;
use Doctrine\DBAL\Exception\SyntaxErrorException;
use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
use OCP\DB\Exception;
/**
* Wrapper around the raw dbal exception, so we can pass it to apps that catch
* our OCP db exception
*
* @psalm-immutable
*/
class DbalException extends Exception {
/** @var \Doctrine\DBAL\Exception */
private $original;
/**
* @param \Doctrine\DBAL\Exception $original
* @param int $code
* @param string $message
*/
private function __construct(\Doctrine\DBAL\Exception $original, int $code, string $message) {
parent::__construct(
$message,
$code,
$original
);
$this->original = $original;
}
public static function wrap(\Doctrine\DBAL\Exception $original, string $message = ''): self {
return new self(
$original,
is_int($original->getCode()) ? $original->getCode() : 0,
empty($message) ? $original->getMessage() : $message
);
}
public function getReason(): ?int {
/**
* Generic errors
*/
if ($this->original instanceof ConnectionException) {
return parent::REASON_CONNECTION_LOST;
}
if ($this->original instanceof DriverException) {
return parent::REASON_DRIVER;
}
if ($this->original instanceof InvalidArgumentException) {
return parent::REASON_INVALID_ARGUMENT;
}
/**
* Constraint errors
*/
if ($this->original instanceof ForeignKeyConstraintViolationException) {
return parent::REASON_FOREIGN_KEY_VIOLATION;
}
if ($this->original instanceof NotNullConstraintViolationException) {
return parent::REASON_NOT_NULL_CONSTRAINT_VIOLATION;
}
if ($this->original instanceof UniqueConstraintViolationException) {
return parent::REASON_UNIQUE_CONSTRAINT_VIOLATION;
}
// The base exception comes last
if ($this->original instanceof ConstraintViolationException) {
return parent::REASON_CONSTRAINT_VIOLATION;
}
/**
* Other server errors
*/
if ($this->original instanceof DatabaseObjectExistsException) {
return parent::REASON_DATABASE_OBJECT_EXISTS;
}
if ($this->original instanceof DatabaseObjectNotFoundException) {
return parent::REASON_DATABASE_OBJECT_NOT_FOUND;
}
if ($this->original instanceof DeadlockException) {
return parent::REASON_DEADLOCK;
}
if ($this->original instanceof InvalidFieldNameException) {
return parent::REASON_INVALID_FIELD_NAME;
}
if ($this->original instanceof NonUniqueFieldNameException) {
return parent::REASON_NON_UNIQUE_FIELD_NAME;
}
if ($this->original instanceof SyntaxErrorException) {
return parent::REASON_SYNTAX_ERROR;
}
// The base server exception class comes last
if ($this->original instanceof ServerException) {
return parent::REASON_SERVER;
}
return null;
}
}