<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Provides upload functionalities for the import plugins
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}

/* Get the transformations interface */
require_once 'libraries/plugins/UploadInterface.int.php';

/**
* Implementation for upload progress
*
* @package PhpMyAdmin
*/
class UploadProgress implements UploadInterface
{
/**
* Gets the specific upload ID Key
*
* @return string ID Key
*/
public static function getIdKey()
{
return 'UPLOAD_IDENTIFIER';
}

/**
* Returns upload status.
*
* This is implementation for upload progress
*
* @param string $id upload id
*
* @return array|null
*/
public static function getUploadStatus($id)
{
global $SESSION_KEY;

if (trim($id) == "") {
return null;
}

if (! array_key_exists($id, $_SESSION[$SESSION_KEY])) {
$_SESSION[$SESSION_KEY][$id] = array(
'id' => $id,
'finished' => false,
'percent' => 0,
'total' => 0,
'complete' => 0,
'plugin' => UploadProgress::getIdKey()
);
}
$ret = $_SESSION[$SESSION_KEY][$id];

if (! PMA_import_progressCheck() || $ret['finished']) {
return $ret;
}

$status = uploadprogress_get_info($id);

if ($status) {
if ($status['bytes_uploaded'] == $status['bytes_total']) {
$ret['finished'] = true;
} else {
$ret['finished'] = false;
}
$ret['total'] = $status['bytes_total'];
$ret['complete'] = $status['bytes_uploaded'];

if ($ret['total'] > 0) {
$ret['percent'] = $ret['complete'] / $ret['total'] * 100;
}
} else {
$ret = array(
'id' => $id,
'finished' => true,
'percent' => 100,
'total' => $ret['total'],
'complete' => $ret['total'],
'plugin' => UploadProgress::getIdKey()
);
}

$_SESSION[$SESSION_KEY][$id] = $ret;
return $ret;
}
}
?>