/**
  * Upload a avatar image
  * @param obj $file
  * @param str $filename
  */
 public function avatar_upload($file, $filename)
 {
     if ($file) {
         $newfilename = $filename . '.' . $file->getClientOriginalExtension();
         $upload_dir = config('assets.images.paths.input');
         //Get the width and the height of the chosen size from the Config file.
         $images_sizes = config('assets.images.sizes.' . 'small');
         $width = $images_sizes['width'];
         $height = $images_sizes['height'];
         //Uploading picture to the directory
         $file->move($upload_dir, $newfilename);
         //Resizing picture
         $image = Image::make(sprintf($upload_dir . '/%s', $newfilename))->resize($width, $height)->save();
         $avatar_path = $upload_dir . '/' . $newfilename;
         return $avatar_path;
     }
 }