def answer(self, req):
card = self.card
if req.user and req.user.id == card.id and req.get_method() == 'POST':
text = req.get_form_var("update_text", '').strip()
upload_file = req.get_form_var("update_file", None)
question_id = req.get_form_var("question_id", None)
filename = ''
ftype = ''
if upload_file:
filename = upload_file.tmp_filename
ftype = upload_file.content_type
if (text or filename) and question_id:
Answer.new(question_id, req.user.id, text, filename=filename, ftype=ftype)
return req.redirect(card.path)
