initial support for alternative sort orders on the cloud pages. Can be triggered manually but further development is required.

Zotlabs/Module/Cloud.php

@@ -60,6 +60,12 @@ class Cloud extends \Zotlabs\Web\Controller {
 		// if we arrived at this path with any query parameters in the url, build a clean url without
 		// them and redirect.
 
+		if(! array_key_exists('cloud_sort',$_SESSION)) {
+			$_SESSION['cloud_sort'] = 'name';
+		}
+
+		$_SESSION['cloud_sort'] = (($_REQUEST['sort']) ? trim(notags($_REQUEST['sort'])) : $_SESSION['cloud_sort']);
+
 		$x = clean_query_string();
 		if($x !== \App::$query_string)
 			goaway(z_root() . '/' . $x);

Zotlabs/Storage/Directory.php

@@ -691,7 +691,23 @@ class Directory extends DAV\Node implements DAV\ICollection, DAV\IQuota, DAV\IMo
 		}
 
 		$prefix = '';
-		$suffix = ' order by is_dir desc, filename asc ';
+
+		if(! array_key_exists('cloud_sort',$_SESSION))
+			$_SESSION['cloud_sort'] = 'name';
+
+		switch($_SESSION['cloud_sort']) {
+			case 'size': 
+				$suffix = ' order by is_dir desc, filesize asc ';
+				break;
+			// The following provides inconsistent results for directories because we re-calculate the date for directories based on the most recent change
+			case 'date':
+				$suffix = ' order by is_dir desc, edited asc ';
+				break;
+			case 'name':
+			default:
+				$suffix = ' order by is_dir desc, filename asc ';
+				break;
+		}
 
 		$r = q("select $prefix id, uid, hash, filename, filetype, filesize, revision, folder, flags, is_dir, created, edited from attach where folder = '%s' and uid = %d $perms $suffix",
 			dbesc($folder),

include/zid.php

@@ -109,6 +109,7 @@ function clean_query_string($s = '') {
 	$x = strip_zids(($s) ? $s : \App::$query_string);
 	$x = strip_owt($x);
 	$x = strip_zats($x);
+	$x = strip_query_param($x,'sort');
 
 	return strip_query_param($x,'f');
 }