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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Log
* @subpackage Writer
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/** Zend_Log_Writer_Abstract */
/**
* @category Zend
* @package Zend_Log
* @subpackage Writer
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
class Zend_Log_Writer_Db extends Zend_Log_Writer_Abstract
{
/**
* Database adapter instance
*
* @var Zend_Db_Adapter
*/
protected $_db;
/**
* Name of the log table in the database
*
* @var string
*/
protected $_table;
/**
* Relates database columns names to log data field keys.
*
* @var null|array
*/
protected $_columnMap;
/**
* Class constructor
*
* @param Zend_Db_Adapter $db Database adapter instance
* @param string $table Log table in database
* @param array $columnMap
* @return void
*/
public function __construct($db, $table, $columnMap = null)
{
$this->_db = $db;
$this->_table = $table;
$this->_columnMap = $columnMap;
}
/**
* Create a new instance of Zend_Log_Writer_Db
*
* @param array|Zend_Config $config
* @return Zend_Log_Writer_Db
*/
static public function factory($config)
{
$config = self::_parseConfig($config);
$config = array_merge(array(
'db' => null,
'table' => null,
'columnMap' => null,
), $config);
if (isset($config['columnmap'])) {
$config['columnMap'] = $config['columnmap'];
}
return new self(
$config['db'],
$config['table'],
$config['columnMap']
);
}
/**
* Formatting is not possible on this writer
*
* @return void
* @throws Zend_Log_Exception
*/
public function setFormatter(Zend_Log_Formatter_Interface $formatter)
{
throw new Zend_Log_Exception(get_class($this) . ' does not support formatting');
}
/**
* Remove reference to database adapter
*
* @return void
*/
public function shutdown()
{
$this->_db = null;
}
/**
* Write a message to the log.
*
* @param array $event event data
* @return void
* @throws Zend_Log_Exception
*/
protected function _write($event)
{
if ($this->_db === null) {
throw new Zend_Log_Exception('Database adapter is null');
}
if ($this->_columnMap === null) {
$dataToInsert = $event;
} else {
$dataToInsert = array();
foreach ($this->_columnMap as $columnName => $fieldKey) {
if (isset($event[$fieldKey])) {
$dataToInsert[$columnName] = $event[$fieldKey];
}
}
}
$this->_db->insert($this->_table, $dataToInsert);
}
}
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