nextcloud/apps/files/lib/helper.php

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PHP
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<?php
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namespace OCA\Files;
class Helper
{
public static function buildFileStorageStatistics($dir) {
$l = new \OC_L10N('files');
$maxUploadFilesize = \OCP\Util::maxUploadFilesize($dir);
$maxHumanFilesize = \OCP\Util::humanFileSize($maxUploadFilesize);
$maxHumanFilesize = $l->t('Upload') . ' max. ' . $maxHumanFilesize;
// information about storage capacities
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$storageInfo = \OC_Helper::getStorageInfo($dir);
return array('uploadMaxFilesize' => $maxUploadFilesize,
'maxHumanFilesize' => $maxHumanFilesize,
'usedSpacePercent' => (int)$storageInfo['relative']);
}
public static function determineIcon($file) {
if($file['type'] === 'dir') {
$dir = $file['directory'];
$absPath = \OC\Files\Filesystem::getView()->getAbsolutePath($dir.'/'.$file['name']);
$mount = \OC\Files\Filesystem::getMountManager()->find($absPath);
if (!is_null($mount)) {
$sid = $mount->getStorageId();
if (!is_null($sid)) {
$sid = explode(':', $sid);
if ($sid[0] === 'shared') {
return \OC_Helper::mimetypeIcon('dir-shared');
}
if ($sid[0] !== 'local' and $sid[0] !== 'home') {
return \OC_Helper::mimetypeIcon('dir-external');
}
}
}
return \OC_Helper::mimetypeIcon('dir');
}
if($file['isPreviewAvailable']) {
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$pathForPreview = $file['directory'] . '/' . $file['name'];
return \OC_Helper::previewIcon($pathForPreview) . '&c=' . $file['etag'];
}
return \OC_Helper::mimetypeIcon($file['mimetype']);
}
/**
* Comparator function to sort files alphabetically and have
* the directories appear first
* @param array $a file
* @param array $b file
* @return -1 if $a must come before $b, 1 otherwise
*/
public static function fileCmp($a, $b) {
if ($a['type'] === 'dir' and $b['type'] !== 'dir') {
return -1;
} elseif ($a['type'] !== 'dir' and $b['type'] === 'dir') {
return 1;
} else {
return strnatcasecmp($a['name'], $b['name']);
}
}
/**
* Retrieves the contents of the given directory and
* returns it as a sorted array.
* @param string $dir path to the directory
* @return array of files
*/
public static function getFiles($dir) {
$content = \OC\Files\Filesystem::getDirectoryContent($dir);
$files = array();
foreach ($content as $i) {
$i['date'] = \OCP\Util::formatDate($i['mtime']);
if ($i['type'] === 'file') {
$fileinfo = pathinfo($i['name']);
$i['basename'] = $fileinfo['filename'];
if (!empty($fileinfo['extension'])) {
$i['extension'] = '.' . $fileinfo['extension'];
} else {
$i['extension'] = '';
}
}
$i['directory'] = $dir;
$i['isPreviewAvailable'] = \OC::$server->getPreviewManager()->isMimeSupported($i['mimetype']);
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$i['icon'] = \OCA\Files\Helper::determineIcon($i);
$files[] = $i;
}
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usort($files, array('\OCA\Files\Helper', 'fileCmp'));
return $files;
}
/**
* Splits the given path into a breadcrumb structure.
* @param string $dir path to process
* @return array where each entry is a hash of the absolute
* directory path and its name
*/
public static function makeBreadcrumb($dir){
$breadcrumb = array();
$pathtohere = '';
foreach (explode('/', $dir) as $i) {
if ($i !== '') {
$pathtohere .= '/' . $i;
$breadcrumb[] = array('dir' => $pathtohere, 'name' => $i);
}
}
return $breadcrumb;
}
/**
* Returns the numeric permissions for the given directory.
* @param string $dir directory without trailing slash
* @return numeric permissions
*/
public static function getDirPermissions($dir){
$permissions = \OCP\PERMISSION_READ;
if (\OC\Files\Filesystem::isCreatable($dir . '/')) {
$permissions |= \OCP\PERMISSION_CREATE;
}
if (\OC\Files\Filesystem::isUpdatable($dir . '/')) {
$permissions |= \OCP\PERMISSION_UPDATE;
}
if (\OC\Files\Filesystem::isDeletable($dir . '/')) {
$permissions |= \OCP\PERMISSION_DELETE;
}
if (\OC\Files\Filesystem::isSharable($dir . '/')) {
$permissions |= \OCP\PERMISSION_SHARE;
}
return $permissions;
}
}