from otree.api import *

author = 'Patricia Zauchner (zauchner@uni-bremen.de)'

doc = """
Consent form.
"""


class Constants(BaseConstants):
    name_in_url = 'consent'
    players_per_group = None
    num_rounds = 1


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):

    consent = models.IntegerField(
        doc="Does the person agree to the consent form?",
    )
    email = models.StringField(
        doc="E-mail for registrations only"
    )


class Consent(Page):
    form_model = "player"
    form_fields = ['consent']


class NoConsent(Page):
    @staticmethod
    def is_displayed(player):
        return player.consent == 0


page_sequence = [
    Consent,
    NoConsent
]