Voting form

forms.py

from crispy_forms.helper import FormHelper
from crispy_forms.layout import Submit, Reset
from django import forms
from fights.models import FightChoice
from users.models import User, UserVote

class FightChoiceField(forms.ModelChoiceField):
    widget = forms.RadioSelect()

    def __init__(self, *args, **kwargs):
        kwargs['queryset'] = FightChoice.objects.all()
        kwargs['empty_label'] = None
        super(FightChoiceField, self).__init__(*args, **kwargs)

    def set_fight(self, fight_id):
        self.fight_id = fight_id
        self.queryset = FightChoice.objects.filter(fight_id=fight_id)


class VoteForm(forms.ModelForm):
    fightchoice = FightChoiceField()

    def __init__(self, fight_id, *args, **kwargs):
        super(VoteForm, self).__init__(*args, **kwargs)
        self.fields['fightchoice'].set_fight(fight_id)

    class Meta:
        model = UserVote
        fields = ['fightchoice']

models.py

class Fight(TimeStampedModel):
    event = models.ForeignKey(Event, null=True, related_name='fights')
    fighter = models.ForeignKey(Fighter, related_name='%(app_label)s_%(class)s_fighter', null=True)
    fightstatus = models.ForeignKey('fights.FightStatus', null=True)
    opponent = models.ForeignKey(Fighter, related_name='%(app_label)s_%(class)s_opponent', null=True)

    folder_name = models.CharField(max_length=500, blank=True, null=True)
    fight_highlights = models.CharField(max_length=500, blank=True, null=True)
    fight_order = models.IntegerField(blank=True, null=True)
    name = models.CharField(max_length=500, blank=True)
    post_fight_interview = models.CharField(max_length=500, blank=True, null=True)
    show_fact = models.NullBooleanField(default=True, null=True)
    total_round = models.IntegerField(blank=True, null=True)
    view_count = models.IntegerField(default=0, null=True)

    def __unicode__(self):
        return '{} vs {}'.format(self.fighter.name, self.opponent.name)


class FightChoice(TimeStampedModel):
    fight = models.ForeignKey(Fight)
    fighter = models.ForeignKey(Fighter, related_name='as_fighter', null=True)
    loser = models.ForeignKey(Fighter, related_name='as_opponent', null=True)
    howitended = models.ForeignKey('fights.HowItEnded', null=True)

    valid_score = models.NullBooleanField(default=0, null=True)
    odd = models.IntegerField(blank=True, null=True)
    numerator = models.IntegerField(blank=True, null=True)
    denominator = models.IntegerField(blank=True, null=True)
    points = models.IntegerField(blank=True, null=True)

    def __unicode__(self):
        return '{} - {} [{}]'.format(
            self.fighter.name, self.howitended.name, self.points
        )


class UserVote(models.Model):
    event = models.ForeignKey(Event)
    user = models.ForeignKey(User)
    fightchoice = models.ForeignKey(FightChoice)


class HowItEnded(models.Model):
    name = models.CharField(max_length=50, unique=True)
    admin = models.BooleanField(default=True)

    def __unicode__(self):
        return self.name

class Fighter(TimeStampedModel):
    association = models.ForeignKey('Association', null=True)
    country = CountryField(null=True)
    weightclass = models.ForeignKey('fighters.WeightClass', null=True)

    name = models.CharField(unique=True, max_length=50, blank=True)


class UserVote(TimeStampedModel):
    event = models.ForeignKey('events.Event', related_name='votes')
    fightchoice = models.ForeignKey('fights.FightChoice')
    user = models.ForeignKey('users.User')

new_vote.html

 <form method="post" action="">{% csrf_token %}
        {% for fight, form in forms %}
        <h3>Fight: {{ fight }}</h3>
        {{ form.as_p }}
        {{ form.errors }}
      {% endfor %}
      <button>Save</button>
    </form>

view.py

@login_required
def new_vote(request, event_id):
    """
    Vote form
    :param request:
    """
    context = RequestContext(request)

    event = Event.objects.get(pk=event_id)

    data = request.POST if request.method == 'POST' else None
    forms = [(event, VoteForm(fight.id, prefix='fight-{0}'.format(fight.id), data=data))
             for fight in event.fights.all()]

    context_dict = {'user_badge': user_badge(request.user.id), 'season_active': season_active(),
                    'form': forms}

    if request.method == 'POST':
        form = VoteForm(event_id, data=request.POST)
        if form.is_valid():
            vote = form.save(commit=False)
            vote.user_id = request.user.id
            vote.event_id = event_id
            vote.save()
        else:
            return render_to_response('users/new_vote.html', context_dict, context)
    else:
        return render_to_response('users/new_vote.html', context_dict, context)