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Content.php
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Content.php
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<?php
/**
* Syncroton
*
* @package Syncroton
* @subpackage Backend
* @license http://www.tine20.org/licenses/lgpl.html LGPL Version 3
* @author Lars Kneschke <l.kneschke@metaways.de>
* @copyright Copyright (c) 2009-2012 Metaways Infosystems GmbH (http://www.metaways.de)
*
*/
/**
* sql backend class for the folder state
*
* @package Syncroton
* @subpackage Backend
*/
class Syncroton_Backend_Content implements Syncroton_Backend_IContent
{
/**
* the database adapter
*
* @var Zend_Db_Adapter_Abstract
*/
protected $_db;
protected $_tablePrefix;
public function __construct(Zend_Db_Adapter_Abstract $_db, $_tablePrefix = 'Syncroton_')
{
$this->_db = $_db;
$this->_tablePrefix = $_tablePrefix;
}
/**
* create new content state
*
* @param Syncroton_Model_IContent $_state
* @return Syncroton_Model_IContent
*/
public function create(Syncroton_Model_IContent $_state)
{
$id = sha1(mt_rand(). microtime());
$deviceId = $_state->device_id instanceof Syncroton_Model_IDevice ? $_state->device_id->id : $_state->device_id;
$folderId = $_state->folder_id instanceof Syncroton_Model_IFolder ? $_state->folder_id->id : $_state->folder_id;
$this->_db->insert($this->_tablePrefix . 'content', array(
'id' => $id,
'device_id' => $deviceId,
'folder_id' => $folderId,
'contentid' => $_state->contentid,
'creation_time' => $_state->creation_time->format('Y-m-d H:i:s'),
'creation_synckey' => $_state->creation_synckey,
'is_deleted' => isset($_state->is_deleted) ? (int)!!$_state->is_deleted : 0
));
return $this->get($id);
}
/**
* mark state as deleted. The state gets removed finally,
* when the synckey gets validated during next sync.
*
* @param Syncroton_Model_IContent|string $_id
*/
public function delete($_id)
{
$id = $_id instanceof Syncroton_Model_IContent ? $_id->id : $_id;
$this->_db->update($this->_tablePrefix . 'content', array(
'is_deleted' => 1
), array(
'id = ?' => $id
));
}
/**
* @param string $_id
* @throws Syncroton_Exception_NotFound
* @return Syncroton_Model_IContent
*/
public function get($_id)
{
$select = $this->_db->select()
->from($this->_tablePrefix . 'content')
->where('id = ?', $_id);
$stmt = $this->_db->query($select);
$state = $stmt->fetchObject('Syncroton_Model_Content');
if (! $state instanceof Syncroton_Model_IContent) {
throw new Syncroton_Exception_NotFound('id not found');
}
if (!empty($state->creation_time)) {
$state->creation_time = new DateTime($state->creation_time, new DateTimeZone('utc'));
}
return $state;
}
/**
* @param Syncroton_Model_IDevice|string $_deviceId
* @param Syncroton_Model_IFolder|string $_folderId
* @param string $_contentId
* @return Syncroton_Model_IContent
*/
public function getContentState($_deviceId, $_folderId, $_contentId)
{
$deviceId = $_deviceId instanceof Syncroton_Model_IDevice ? $_deviceId->id : $_deviceId;
$folderId = $_folderId instanceof Syncroton_Model_IFolder ? $_folderId->id : $_folderId;
$select = $this->_db->select()
->from($this->_tablePrefix . 'content')
->where($this->_db->quoteIdentifier('device_id') . ' = ?', $deviceId)
->where($this->_db->quoteIdentifier('folder_id') . ' = ?', $folderId)
->where($this->_db->quoteIdentifier('contentid') . ' = ?', $_contentId)
->where($this->_db->quoteIdentifier('is_deleted') . ' = ?', 0);
$stmt = $this->_db->query($select);
$state = $stmt->fetchObject('Syncroton_Model_Content');
if (! $state instanceof Syncroton_Model_IContent) {
throw new Syncroton_Exception_NotFound('id not found');
}
if (!empty($state->creation_time)) {
$state->creation_time = new DateTime($state->creation_time, new DateTimeZone('utc'));
}
return $state;
}
/**
* get array of ids which got send to the client for a given class
*
* @param Syncroton_Model_IDevice|string $_deviceId
* @param Syncroton_Model_IFolder|string $_folderId
* @return array
*/
public function getFolderState($_deviceId, $_folderId)
{
$deviceId = $_deviceId instanceof Syncroton_Model_IDevice ? $_deviceId->id : $_deviceId;
$folderId = $_folderId instanceof Syncroton_Model_IFolder ? $_folderId->id : $_folderId;
$select = $this->_db->select()
->from($this->_tablePrefix . 'content', 'contentid')
->where($this->_db->quoteIdentifier('device_id') . ' = ?', $deviceId)
->where($this->_db->quoteIdentifier('folder_id') . ' = ?', $folderId)
->where($this->_db->quoteIdentifier('is_deleted') . ' = ?', 0);
$stmt = $this->_db->query($select);
$result = $stmt->fetchAll(Zend_Db::FETCH_COLUMN);
return $result;
}
/**
* reset list of stored id
*
* @param Syncroton_Model_IDevice|string $_deviceId
* @param Syncroton_Model_IFolder|string $_folderId
*/
public function resetState($_deviceId, $_folderId)
{
$deviceId = $_deviceId instanceof Syncroton_Model_IDevice ? $_deviceId->id : $_deviceId;
$folderId = $_folderId instanceof Syncroton_Model_IFolder ? $_folderId->id : $_folderId;
$where = array(
$this->_db->quoteInto($this->_db->quoteIdentifier('device_id') . ' = ?', $deviceId),
$this->_db->quoteInto($this->_db->quoteIdentifier('folder_id') . ' = ?', $folderId)
);
$this->_db->delete($this->_tablePrefix . 'content', $where);
}
}

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Mon, Apr 6, 12:57 AM (5 d, 5 h ago)
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