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<?php
/**
* @package AkeebaBackup
* @version $Id$
* @license GNU General Public License, version 2 or later
* @author Nicholas K. Dionysopoulos
* @copyright Copyright 2006-2009 Nicholas K. Dionysopoulos
* @since 1.3
*/
defined('_JEXEC') or die('Restricted access');
jimport('joomla.application.component.model');
/**
* Akeeba statistics model class
* used for all requirements of backup statistics in JP
*
*/
class AkeebaModelStatistics extends JModel
{
/** @var JPagination The JPagination object, used in the GUI */
private $_pagination;
/**
* Constructor.
*/
public function __construct()
{
parent::__construct();
// Get the pagination request variables
$app = JFactory::getApplication();
if(!($app instanceof JApplication)) {
$limit = 0;
$limitstart = 0;
} else {
$limit = $app->getUserStateFromRequest('global.list.limit', 'limit', $app->getCfg('list_limit'));
$limitstart = $app->getUserStateFromRequest(JRequest::getCmd('option','com_akeeba') .'profileslimitstart','limitstart',0);
}
// Set the page pagination variables
$this->setState('limit',$limit);
$this->setState('limitstart',$limitstart);
}
/**
* Returns the same list as getStatisticsList(), but includes an extra field
* named 'meta' which categorises attempts based on their backup archive status
*
* @return array An object array of backup attempts
*/
public function &getStatisticsListWithMeta($overrideLimits = false, $filters = null, $order = null)
{
$limitstart = $this->getState('limitstart');
$limit = $this->getState('limit');
if($overrideLimits)
{
$limitstart = 0;
$limit = 0;
$filters = null;
}
$allStats =& AEPlatform::getInstance()->get_statistics_list(array(
'limitstart' => $limitstart,
'limit' => $limit,
'filters' => $filters,
'order' => $order
));
$valid =& AEPlatform::getInstance()->get_valid_backup_records();
if(empty($valid)) $valid = array();
// This will hold the entries whose files are no longer present and are
// not already marked as such in the database
$updateNonExistent = array();
if(!empty($allStats))
{
$new_stats = array();
foreach($allStats as $stat)
{
$total_size = 0;
if(in_array($stat['id'], $valid))
{
$archives = AEUtilStatistics::get_all_filenames($stat);
$stat['meta'] = (count($archives) > 0) ? 'ok' : 'obsolete';
if($stat['meta'] == 'ok')
{
if($stat['total_size']) {
$total_size = $stat['total_size'];
} else {
$total_size = 0;
foreach($archives as $filename)
{
$total_size += @filesize($filename);
}
}
}
else
{
if($stat['total_size']) {
$total_size = $stat['total_size'];
}
if($stat['filesexist']) {
$updateNonExistent[] = $stat['id'];
}
// If there is a "remote_filename", the record is "remote", not "obsolete"
if($stat['remote_filename']) {
$stat['meta'] = 'remote';
}
}
$stat['size'] = $total_size;
}
else
{
switch($stat['status'])
{
case 'run':
$stat['meta'] = 'pending';
break;
case 'fail':
$stat['meta'] = 'fail';
break;
default:
if($stat['remote_filename']) {
// If there is a "remote_filename", the record is "remote", not "obsolete"
$stat['meta'] = 'remote';
} else {
// Else, it's "obsolete"
$stat['meta'] = 'obsolete';
}
break;
}
}
$new_stats[] = $stat;
}
}
// Update records found as not having files any more
if(count($updateNonExistent))
{
AEPlatform::getInstance()->invalidate_backup_records($updateNonExistent);
}
unset($valid);
return $new_stats;
}
/**
* Returns the details of the latest backup as HTML
*
* @return string HTML
*
* @todo Move this into a helper class
*/
public function getLatestBackupDetails()
{
$db =& $this->getDBO();
$query = 'SELECT max(id) FROM #__ak_stats WHERE `origin` != "restorepoint"';
$db->setQuery($query);
$id = $db->loadResult();
$backup_types = AEUtilScripting::loadScripting();
if(empty($id)) return '<p>'.JText::_('BACKUP_STATUS_NONE').'</p>';
$record =& AEPlatform::getInstance()->get_statistics($id);
jimport('joomla.utilities.date');
switch($record['status'])
{
case 'run':
$status = JText::_('STATS_LABEL_STATUS_PENDING');
break;
case 'fail':
$status = JText::_('STATS_LABEL_STATUS_FAIL');
break;
case 'complete':
$status = JText::_('STATS_LABEL_STATUS_OK');
break;
}
switch($record['origin'])
{
case 'frontend':
$origin = JText::_('STATS_LABEL_ORIGIN_FRONTEND');
break;
case 'backend':
$origin = JText::_('STATS_LABEL_ORIGIN_BACKEND');
break;
case 'cli':
$origin = JText::_('STATS_LABEL_ORIGIN_CLI');
break;
default:
$origin = '–';
break;
}
if(array_key_exists($record['type'],$backup_types['scripts']))
{
$type = AEPlatform::getInstance()->translate($backup_types['scripts'][ $record['type'] ]['text']);
}
else
{
$type = '';
}
$startTime = new JDate($record['backupstart']);
$html = '<table>';
if( AKEEBA_JVERSION == '16' ) {
$html .= '<tr><td>'.JText::_('STATS_LABEL_START').'</td><td>'.$startTime->format(JText::_('DATE_FORMAT_LC4'), true).'</td></tr>';
} else {
$html .= '<tr><td>'.JText::_('STATS_LABEL_START').'</td><td>'.$startTime->toFormat(JText::_('DATE_FORMAT_LC4')).'</td></tr>';
}
$html .= '<tr><td>'.JText::_('STATS_LABEL_DESCRIPTION').'</td><td>'.$record['description'].'</td></tr>';
$html .= '<tr><td>'.JText::_('STATS_LABEL_STATUS').'</td><td>'.$status.'</td></tr>';
$html .= '<tr><td>'.JText::_('STATS_LABEL_ORIGIN').'</td><td>'.$origin.'</td></tr>';
$html .= '<tr><td>'.JText::_('STATS_LABEL_TYPE').'</td><td>'.$type.'</td></tr>';
$html .= '</table>';
return $html;
}
/**
* Delete the stats record whose ID is set in the model
* @param int $id Backup record whose files we have to delete
* @return bool True on success
*/
public function delete($id)
{
$db =& $this->getDBO();
if( (!is_numeric($id)) || ($id <= 0) )
{
$this->setError(JText::_('STATS_ERROR_INVALIDID'));
return false;
}
// Try to delete files
$this->deleteFile($id);
if(!AEPlatform::getInstance()->delete_statistics($id))
{
$this->setError($db->getError());
return false;
}
return true;
}
/**
* Delete the backup file of the stats record whose ID is set in the model
* @param int $id Backup record whose files we have to delete
* @return bool True on success
*/
public function deleteFile($id)
{
$db =& $this->getDBO();
if( (!is_numeric($id)) || ($id <= 0) )
{
$this->setError(JText::_('STATS_ERROR_INVALIDID'));
return false;
}
$stat = AEPlatform::getInstance()->get_statistics($id);
$allFiles = AEUtilStatistics::get_all_filenames($stat, false);
$registry =& AEFactory::getConfiguration();
$status = true;
jimport('joomla.filesystem.file');
foreach($allFiles as $filename)
{
$new_status = JFile::delete($filename);
$status = $status ? $new_status : false;
}
return $status;
}
/**
* Get a pagination object
*
* @access public
* @return JPagination
*
*/
public function &getPagination($filters = null)
{
if( empty($this->_pagination) )
{
// Import the pagination library
jimport('joomla.html.pagination');
// Prepare pagination values
$total = AEPlatform::getInstance()->get_statistics_count($filters);
$limitstart = $this->getState('limitstart');
$limit = $this->getState('limit');
// Create the pagination object
$this->_pagination = new JPagination($total, $limitstart, $limit);
}
return $this->_pagination;
}
}