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Introduce a "DatabaseException" class for fatal exceptions (used in testmode to throw an exception in case of DB errors)

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Philipp Holzer 2020-10-06 20:03:38 +02:00
parent 0f3e4255ca
commit 3587e89482
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2 changed files with 46 additions and 29 deletions
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36
src/Database/Database.php
View file

@ -21,10 +21,8 @@
namespace Friendica\Database;
use Exception;
use Friendica\Core\Config\Cache;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Profiler;
@ -75,7 +73,6 @@ class Database
$this->profiler = $profiler;
$this->logger = $logger;
$this->readServerVariables($server);
$this->connect();
if ($this->isConnected()) {
@ -84,30 +81,6 @@ class Database
}
}
private function readServerVariables(array $server)
{
// Use environment variables for mysql if they are set beforehand
if (!empty($server['MYSQL_HOST'])
&& (!empty($server['MYSQL_USERNAME']) || !empty($server['MYSQL_USER']))
&& $server['MYSQL_PASSWORD'] !== false
&& !empty($server['MYSQL_DATABASE']))
{
$db_host = $server['MYSQL_HOST'];
if (!empty($server['MYSQL_PORT'])) {
$db_host .= ':' . $server['MYSQL_PORT'];
}
$this->configCache->set('database', 'hostname', $db_host);
unset($db_host);
if (!empty($server['MYSQL_USERNAME'])) {
$this->configCache->set('database', 'username', $server['MYSQL_USERNAME']);
} else {
$this->configCache->set('database', 'username', $server['MYSQL_USER']);
}
$this->configCache->set('database', 'password', (string) $server['MYSQL_PASSWORD']);
$this->configCache->set('database', 'database', $server['MYSQL_DATABASE']);
}
}
public function connect()
{
if (!is_null($this->connection) && $this->connected()) {
@ -124,6 +97,11 @@ class Database
if (count($serverdata) > 1) {
$port = trim($serverdata[1]);
}
if (!empty(trim($this->configCache->get('database', 'port')))) {
$port = trim(trim($this->configCache->get('database', 'port')));
}
$server = trim($server);
$user = trim($this->configCache->get('database', 'username'));
$pass = trim($this->configCache->get('database', 'password'));
@ -658,7 +636,7 @@ class Database
$errorno = $this->errorno;
if ($this->testmode) {
throw new Exception(DI::l10n()->t('Database error %d "%s" at "%s"', $errorno, $error, $this->replaceParameters($sql, $args)));
throw new DatabaseException($error, $errorno, $this->replaceParameters($sql, $args));
}
$this->logger->error('DB Error', [
@ -761,7 +739,7 @@ class Database
$errorno = $this->errorno;
if ($this->testmode) {
throw new Exception(DI::l10n()->t('Database error %d "%s" at "%s"', $errorno, $error, $this->replaceParameters($sql, $params)));
throw new DatabaseException($error, $errorno, $this->replaceParameters($sql, $params));
}
$this->logger->error('DB Error', [

39
src/Database/DatabaseException.php Normal file
View file

@ -0,0 +1,39 @@
<?php
declare(strict_types=1);
namespace Friendica\Database;
use Exception;
use Throwable;
/**
* A database fatal exception, which shouldn't occur
*/
class DatabaseException extends Exception
{
protected $query;
/**
* Construct the exception. Note: The message is NOT binary safe.
*
* @link https://php.net/manual/en/exception.construct.php
*
* @param string $message The Database error message.
* @param int $code The Database error code.
* @param string $query The Database error query.
* @param Throwable $previous [optional] The previous throwable used for the exception chaining.
*/
public function __construct(string $message, int $code, string $query, Throwable $previous = null)
{
parent::__construct($message, $code, $previous);
$this->query = $query;
}
/**
* {@inheritDoc}
*/
public function __toString()
{
return sprintf('Database error %d "%s" at "%s"', $this->message, $this->code, $this->query);
}
}