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<?php
namespace OCA\Files;
class Helper
{
public static function buildFileStorageStatistics($dir) {
// information about storage capacities
$storageInfo = \OC_Helper::getStorageInfo($dir);
$l = new \OC_L10N('files');
$maxUploadFilesize = \OCP\Util::maxUploadFilesize($dir, $storageInfo['free']);
$maxHumanFilesize = \OCP\Util::humanFileSize($maxUploadFilesize);
$maxHumanFilesize = $l->t('Upload') . ' max. ' . $maxHumanFilesize;
return array('uploadMaxFilesize' => $maxUploadFilesize,
'maxHumanFilesize' => $maxHumanFilesize,
'freeSpace' => $storageInfo['free'],
'usedSpacePercent' => (int)$storageInfo['relative']);
}
/**
* Determine icon for a given file
*
* @param \OC\Files\FileInfo $file file info
* @return string icon URL
*/
public static function determineIcon($file) {
if($file['type'] === 'dir') {
$dir = $file['directory'];
$icon = \OC_Helper::mimetypeIcon('dir');
$absPath = $file->getPath();
$mount = \OC\Files\Filesystem::getMountManager()->find($absPath);
if (!is_null($mount)) {
$sid = $mount->getStorageId();
if (!is_null($sid)) {
$sid = explode(':', $sid);
if ($sid[0] === 'shared') {
$icon = \OC_Helper::mimetypeIcon('dir-shared');
}
if ($sid[0] !== 'local' and $sid[0] !== 'home') {
$icon = \OC_Helper::mimetypeIcon('dir-external');
}
}
}
}else{
$icon = \OC_Helper::mimetypeIcon($file->getMimetype());
}
return substr($icon, 0, -3) . 'svg';
}
/**
* Comparator function to sort files alphabetically and have
* the directories appear first
*
* @param \OCP\Files\FileInfo $a file
* @param \OCP\Files\FileInfo $b file
* @return int -1 if $a must come before $b, 1 otherwise
*/
public static function fileCmp($a, $b) {
$aType = $a->getType();
$bType = $b->getType();
if ($aType === 'dir' and $bType !== 'dir') {
return -1;
} elseif ($aType !== 'dir' and $bType === 'dir') {
return 1;
} else {
return strnatcasecmp($a->getName(), $b->getName());
}
}
/**
* Formats the file info to be returned as JSON to the client.
*
* @param \OCP\Files\FileInfo file info
* @return array formatted file info
*/
public static function formatFileInfo($i) {
$entry = array();
$entry['id'] = $i['fileid'];
$entry['date'] = \OCP\Util::formatDate($i['mtime']);
$entry['mtime'] = $i['mtime'] * 1000;
// only pick out the needed attributes
$entry['icon'] = \OCA\Files\Helper::determineIcon($i);
if (\OC::$server->getPreviewManager()->isMimeSupported($i['mimetype'])) {
$entry['isPreviewAvailable'] = true;
}
$entry['name'] = $i['name'];
$entry['permissions'] = $i['permissions'];
$entry['mimetype'] = $i['mimetype'];
$entry['size'] = $i['size'];
$entry['type'] = $i['type'];
$entry['etag'] = $i['etag'];
if (isset($i['displayname_owner'])) {
$entry['shareOwner'] = $i['displayname_owner'];
}
return $entry;
}
/**
* Format file info for JSON
* @param \OCP\Files\FileInfo[] $fileInfos file infos
*/
public static function formatFileInfos($fileInfos) {
$files = array();
foreach ($fileInfos as $i) {
$files[] = self::formatFileInfo($i);
}
return $files;
}
/**
* Retrieves the contents of the given directory and
* returns it as a sorted array of FileInfo.
*
* @param string $dir path to the directory
* @return \OCP\Files\FileInfo[] files
*/
public static function getFiles($dir) {
$content = \OC\Files\Filesystem::getDirectoryContent($dir);
usort($content, array('\OCA\Files\Helper', 'fileCmp'));
return $content;
}
}
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