from otree.api import *

doc = """
The Multiply App from Udemy"
"""


class C(BaseConstants):
    NAME_IN_URL = 'multiply'
    PLAYERS_PER_GROUP = None
    NUM_ROUNDS = 1
    factor = 2


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    number_entered = models.FloatField()


# PAGES
class MyPage(Page):
    form_model = "player"
    form_fields = ["number_entered"]

class Results(Page):
    @staticmethod
    def vars_for_template(Player: Player):
        result = Player.number_entered * C.factor
        return {
            "result": result,
        }


page_sequence = [MyPage, Results]