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<?php
class N2SmartsliderUpdateModel {
private static $version = false;
private static $lastCheck = false;
private $storage;
public function __construct() {
$this->storage = N2Base::getApplication('smartslider')->storage;
}
public static function getInstance() {
static $ins;
if (!$ins) {
$ins = new N2SmartsliderUpdateModel();
}
return $ins;
}
public function getVersion() {
if (self::$version === false) {
self::$version = $this->storage->get('update', 'version');
}
return self::$version;
}
public function setVersion($version) {
$this->storage->set('update', 'version', $version);
self::$version = $version;
$this->setLastCheck(time());
}
public function getLastCheck() {
if (self::$lastCheck === false) {
self::$lastCheck = $this->storage->get('update', 'lastcheck');
}
return self::$lastCheck;
}
public function setLastCheck($lastCheck) {
self::$lastCheck = $lastCheck;
$this->storage->set('update', 'lastcheck', $lastCheck);
}
public function hasUpdate() {
$this->autoCheck();
if (version_compare(N2SS3::$version, $this->getVersion()) == -1) {
return true;
}
return false;
}
private function autoCheck() {
if (intval(N2SmartSliderSettings::get('autoupdatecheck', 1))) {
$time = $this->getLastCheck();
if (!$time || strtotime("+1 week", $time) < time()) {
$this->check();
}
}
}
public function check() {
$posts = array(
'action' => 'version'
);
$response = N2SS3::api($posts);
if ($response['status'] == 'OK') {
$this->setVersion($response['data']['latestVersion']);
}
return $response['status'];
}
public function lastCheck() {
$time = $this->getLastCheck();
if (empty($time)) {
return n2_('never');
}
return date("Y-m-d H:i", $time);
}
public function update() {
$posts = array(
'action' => 'update'
);
$response = N2SS3::api($posts);
if (is_string($response)) {
$updateStatus = N2Platform::updateFromZip($response, N2SS3::getUpdateInfo());
if ($updateStatus === true) {
return 'OK';
} else if ($updateStatus != false) {
return $updateStatus;
}
return 'UPDATE_ERROR';
}
return $response['status'];
}
}
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