from otree.api import (
    models,
    widgets,
    BaseConstants,
    BaseSubsession,
    BaseGroup,
    BasePlayer,
    Currency as c,
    currency_range,
)


author = 'Your name here'

doc = """
Your app description
"""


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


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    select = models.StringField(
        label = "Have you ever donated blood in your life?",
        choices = ["Yes", "No"]
    )
    mail = models.StringField(
        label = "What is your blood group?",
        choices = ["O+", "O-", "B+", "B-", "A+", "A-", "AB+", "AB-", "I don't know"]
    )