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ABackend.php
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ABackend.php
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<?php
/**
* Syncroton
*
* @package Command
* @license http://www.tine20.org/licenses/lgpl.html LGPL Version 3
* @copyright Copyright (c) 2012-2012 Metaways Infosystems GmbH (http://www.metaways.de)
* @author Lars Kneschke <l.kneschke@metaways.de>
*/
/**
* class to handle ActiveSync Sync command
*
* @package Backend
*/
abstract class Syncroton_Backend_ABackend implements Syncroton_Backend_IBackend
{
/**
* the database adapter
*
* @var Zend_Db_Adapter_Abstract
*/
protected $_db;
protected $_tablePrefix;
protected $_tableName;
protected $_modelClassName;
protected $_modelInterfaceName;
/**
* the constructor
*
* @param Zend_Db_Adapter_Abstract $_db
* @param string $_tablePrefix
*/
public function __construct(Zend_Db_Adapter_Abstract $_db, $_tablePrefix = 'Syncroton_')
{
$this->_db = $_db;
$this->_tablePrefix = $_tablePrefix;
}
/**
* create new device
*
* @param Syncroton_Model_IDevice $_device
* @return Syncroton_Model_IDevice
*/
public function create($model)
{
if (! $model instanceof $this->_modelInterfaceName) {
throw new InvalidArgumentException('$model must be instanace of ' . $this->_modelInterfaceName);
}
$data = $this->_convertModelToArray($model);
$data['id'] = sha1(mt_rand(). microtime());
$this->_db->insert($this->_tablePrefix . $this->_tableName, $data);
return $this->get($data['id']);
}
/**
* convert iteratable object to array
*
* @param unknown $model
* @return array
*/
protected function _convertModelToArray($model)
{
$data = array();
foreach ($model as $key => $value) {
if ($value instanceof DateTime) {
$value = $value->format('Y-m-d H:i:s');
} elseif (is_object($value) && isset($value->id)) {
$value = $value->id;
}
$data[$this->_fromCamelCase($key)] = $value;
}
return $data;
}
/**
* @param string $_id
* @throws Syncroton_Exception_NotFound
* @return Syncroton_Model_IDevice
*/
public function get($id)
{
$id = $id instanceof $this->_modelInterfaceName ? $id->id : $id;
$select = $this->_db->select()
->from($this->_tablePrefix . $this->_tableName)
->where('id = ?', $id);
$stmt = $this->_db->query($select);
$data = $stmt->fetch();
$stmt = null; # see https://bugs.php.net/bug.php?id=44081
if ($data === false) {
throw new Syncroton_Exception_NotFound('id not found');
}
return $this->_getObject($data);
}
/**
* convert array to object
*
* @param array $data
* @return object
*/
protected function _getObject($data)
{
foreach ($data as $key => $value) {
unset($data[$key]);
if (!empty($value) && preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}/', $value)) { # 2012-08-12 07:43:26
$value = new DateTime($value, new DateTimeZone('utc'));
}
$data[$this->_toCamelCase($key, false)] = $value;
}
return new $this->_modelClassName($data);
}
/**
* (non-PHPdoc)
* @see Syncroton_Backend_IBackend::delete()
*/
public function delete($id)
{
$id = $id instanceof $this->_modelInterfaceName ? $id->id : $id;
$result = $this->_db->delete($this->_tablePrefix . $this->_tableName, array('id = ?' => $id));
return (bool) $result;
}
/**
* (non-PHPdoc)
* @see Syncroton_Backend_IBackend::update()
*/
public function update($model)
{
if (! $model instanceof $this->_modelInterfaceName) {
throw new InvalidArgumentException('$model must be instanace of ' . $this->_modelInterfaceName);
}
$data = $this->_convertModelToArray($model);
$this->_db->update($this->_tablePrefix . $this->_tableName, $data, array(
'id = ?' => $model->id
));
return $this->get($model->id);
}
/**
* convert from camelCase to camel_case
* @param string $string
* @return string
*/
protected function _fromCamelCase($string)
{
$string = lcfirst($string);
return preg_replace_callback('/([A-Z])/', function ($string) {return '_' . strtolower($string[0]);}, $string);
}
/**
* convert from camel_case to camelCase
*
* @param string $string
* @param bool $ucFirst
* @return string
*/
protected function _toCamelCase($string, $ucFirst = true)
{
if ($ucFirst === true) {
$string = ucfirst($string);
}
return preg_replace_callback('/_([a-z])/', function ($string) {return strtoupper($string[1]);}, $string);
}
}

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ABackend.php (5 KB)

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