def register(): # should do more validation here! try: vorname = request.form['vorname'] nachname = request.form['nachname'] geb = parse_date(request.form['geburtstag']) except Exception as e: raise e return "Unable to parse form...", 500 # check date in range if geb.year not in range(1890, 2020): return "Unrealistisches Geburtsjahr", 400 # look for unique username in db requested_usrname = vorname + nachname + unicode(geb.date()) usr = User.query.filter_by(username=requested_usrname).first() if usr is None: # register new user try: new_user = User(vorname, nachname, geb) db.session.add(new_user) db.session.commit() except: return "Unable to save " + unicode( new_user) + " to database...", 503 # initial score of 0 new_user.score = 0 return new_user.make_json_data(), 201 else: # return existing user info return usr.make_json_data(), 200