add humanFilesize() for list view

Author: streamtw

src/controllers/ItemsController.php

@@ -32,13 +32,7 @@ private function getFilesWithInfo($path)
         foreach (File::files($path) as $key => $file) {
             $file_name = parent::getFileName($file)['short'];
             $file_created = filemtime($file);
-            $file_size = number_format((File::size($file) / 1024), 2, ".", "");
-
-            if ($file_size > 1024) {
-                $file_size = number_format(($file_size / 1024), 2, ".", "") . " Mb";
-            } else {
-                $file_size = $file_size . " Kb";
-            }
+            $file_size = $this->humanFilesize(File::size($file));
 
             if ($this->isProcessingImages()) {
                 $file_type = File::mimeType($file);

src/traits/LfmHelpers.php

@@ -187,4 +187,11 @@ public function error($error_type, $variables = [])
     {
         return trans('laravel-filemanager::lfm.error-' . $error_type, $variables);
     }
+
+    public function humanFilesize($bytes, $decimals = 2)
+    {
+        $size = array('B','kB','MB','GB','TB','PB','EB','ZB','YB');
+        $factor = floor((strlen($bytes) - 1) / 3);
+        return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . ' ' . @$size[$factor];
+    }
 }