def fixFilename(self, action, new_name):
    ns = amiweb.session()['upload_ns']
    if action == 'change':
        if model.Files.countFilesWithFilename(new_name):
            ns['filename'] = filename
            ns['new_filename'] = model.Files.newFilename(filename)
            return render("skeletonz/plugins/upload/view/upload_already_found.tmpl", ns)

        ns['filename'] = new_name
    #Else let is stay the same

    del amiweb.session()['upload_ns']
    return self.uploadComplete(ns)