annotate polls/forms.py @ 887:9a15f7c27526
Actually save model object upon change.
This commit was tested on the comments model.
Additional logging added.
Added check for Markdown image references.
Added TODOs after observing behavior on comments.
| author |
Brian Neal <bgneal@gmail.com> |
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Tue, 03 Feb 2015 21:09:44 -0600 |
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1 """Forms for the Polls application."""
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2
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3 from django import forms
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4 from django.db.models import F
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5
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6 from polls.models import Choice
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7
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8
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9 class VoteForm(forms.Form):
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10 """Form for voting in a poll."""
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11 choices = forms.ModelChoiceField(label='', empty_label=None,
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12 queryset=Choice.objects.none(), widget=forms.RadioSelect)
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13
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14 def __init__(self, poll, *args, **kwargs):
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15 self.user = kwargs.pop('user', None)
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16 self.user_choice = kwargs.pop('user_choice', None)
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17 super(VoteForm, self).__init__(*args, **kwargs)
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18 self.fields['choices'].queryset = poll.choice_set.all()
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19
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20 def clean(self):
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21 if self.user_choice:
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22 raise forms.ValidationError("You've already voted in this poll!")
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23 return self.cleaned_data
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24
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25 def save(self):
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26 choice = self.cleaned_data['choices']
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27 Choice.objects.filter(id=choice.id).update(votes=F('votes') + 1)
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28 choice.voters.add(self.user)
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