function update($force_create_new_version = true)
 {
     if ($this->get_attribute('tmp_file_path') && !$this->update_file()) {
         return false;
     }
     return parent::update($force_create_new_version);
 }
 function update($force_create_new_version = true)
 {
     if (!$this->update_file()) {
         return false;
     }
     return parent::update($force_create_new_version);
 }
 function update()
 {
     if (!$this->update_file()) {
         return false;
     }
     return parent::update();
 }