/**
* Check for a new version
*
* @return int|bool
* true: New version is available
* false: Error while checking for update
* int: Status code (i.e. AutoUpdate::NO_UPDATE_AVAILABLE)
*/
public function checkUpdate()
{
$this->log->debug('Checking for a new update...');
// Reset previous updates
$this->_latestVersion = new version('0.0.0');
$this->_updates = array();
//$versions = $this->_cache->get('update-versions');
// Check if cache is empty
//if ($versions === false) {
// Create absolute url to update file
$updateFile = $this->_updateUrl . '/' . $this->_updateFile;
if (!empty($this->_branch)) {
$updateFile .= '.' . $this->_branch;
}
$this->log->debug(sprintf('Get new updates from %s', $updateFile));
// Read update file from update server
$update = @file_get_contents($updateFile);
if ($update === false) {
$this->log->info(sprintf('Could not download update file "%s"!', $updateFile));
return false;
}
// Parse update file
$updateFileExtension = substr(strrchr($this->_updateFile, '.'), 1);
switch ($updateFileExtension) {
case 'ini':
$versions = @parse_ini_string($update, true);
if (!is_array($versions)) {
$this->log->info('Unable to parse ini update file!');
return false;
}
$versions = array_map(function ($block) {
return isset($block['url']) ? $block['url'] : false;
}, $versions);
break;
case 'json':
$versions = (array) @json_decode($update);
if (!is_array($versions)) {
$this->log->info('Unable to parse json update file!');
return false;
}
break;
default:
$this->log->info(sprintf('Unknown file extension "%s"', $updateFileExtension));
return false;
}
// $this->_cache->set('update-versions', $versions);
//} else {
// $this->log->debug('Got updates from cache');
//}
// Check for latest version
foreach ($versions as $versionRaw => $updateInfo) {
//var_dump($updateInfo);exit;
$version = new version($versionRaw);
if ($version->valid() === null) {
$this->log->info(sprintf('Could not parse version "%s" from update server "%s"', $versionRaw, $updateFile));
continue;
}
if (version::gt($version, $this->_currentVersion)) {
if (version::gt($version, $this->_latestVersion)) {
$this->_latestVersion = $version;
}
$this->_updates[] = array('version' => $version, 'url' => $updateInfo->url, 'changelog' => $updateInfo->changelog, 'date' => $updateInfo->date);
}
}
// Sort versions to install
usort($this->_updates, function ($a, $b) {
return version::compare($a['version'], $b['version']);
});
if ($this->newVersionAvailable()) {
$this->log->debug(sprintf('New version "%s" available', $this->_latestVersion));
return true;
} else {
$this->log->debug('No new version available');
return self::NO_UPDATE_AVAILABLE;
}
}
