156 lines
4.2 KiB
Python
156 lines
4.2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.poll.models
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~~~~~~~~~~~~~~~~~~~~~~
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Models for the poll app.
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:copyright: 2011 by the OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from django.db import models
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from django.utils.translation import ugettext as _
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from projector.api import register_slidemodel
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from projector.models import SlideMixin
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class BaseOption(models.Model):
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poll = models.ForeignKey('BasePoll')
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def get_votes(self):
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return Vote.objects.filter(option=self)
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class TextOption(BaseOption):
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text = models.CharField(max_length=255)
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def __unicode__(self):
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return self.text
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class Vote(models.Model):
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option = models.ForeignKey(BaseOption)
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#profile = models.ForeignKey(Profile) # TODO: we need a person+ here
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weight = models.IntegerField(default=1)
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value = models.CharField(max_length=255, null=True)
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def __unicode__(self):
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return print_value(self.weight)
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class CountVotesCast(models.Model):
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votescast = models.IntegerField(null=True, blank=True, verbose_name=_("Votes cast"))
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def append_pollform_fields(self, fields):
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fields.append('votescast')
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def print_votescast(self):
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return print_value(self.votescast)
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class Meta:
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abstract = True
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class CountInvalid(models.Model):
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votesinvalid = models.IntegerField(null=True, blank=True, verbose_name=_("Votes invalid"))
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def append_pollform_fields(self, fields):
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fields.append('votesinvalid')
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def print_votesinvalid(self):
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return print_value(self.votesinvalid)
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class Meta:
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abstract = True
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class PublishPollMixin(models.Model):
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published = models.BooleanField(default=False)
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def set_published(self, published):
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self.published = published
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self.save()
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class Meta:
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abstract = True
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class BasePoll(models.Model, SlideMixin):
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#TODO: It would be nice if this class wouldn't be a subclass from models.Model. But it is needet aslong
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# BaseOption has a foreignKey on BasePoll
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prefix = 'BasePoll'
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description = models.TextField(null=True, blank=True, verbose_name=_("Description")) #TODO: Use this field or delete it.
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option_class = TextOption
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vote_values = [_('votes')]
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def has_votes(self):
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if self.get_options().filter(vote__isnull=False):
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return True
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return False
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def set_options(self, options_data=[]):
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for option_data in options_data:
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option = self.option_class(**option_data)
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option.poll = self
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option.save()
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def get_options(self):
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return self.get_option_class().objects.filter(poll=self)
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def get_option_class(self):
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return self.option_class
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def get_vote_values(self):
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return self.vote_values
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def set_form_values(self, option, data):
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for value in self.get_vote_values():
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try:
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vote = Vote.objects.filter(option=option).get(value=value)
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except Vote.DoesNotExist:
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vote = Vote(option=option, value=value)
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vote.weight = data[value]
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vote.save()
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def get_form_values(self, option_id):
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values = []
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for value in self.get_vote_values():
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try:
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vote = Vote.objects.filter(option=option_id).get(value=value)
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weight = vote.weight
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except Vote.DoesNotExist:
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weight = None
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values.append((value, weight))
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return values
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def get_vote_form(self, **kwargs):
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from poll.forms import OptionForm
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return OptionForm(extra=self.get_form_values(kwargs['formid']), **kwargs)
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def get_vote_forms(self, **kwargs):
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forms = []
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for option in self.get_options():
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form = self.get_vote_form(formid=option.id, **kwargs)
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form.option = option
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forms.append(form)
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return forms
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def slide(self):
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data = super(BasePoll, self).slide()
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# data['template'] = 'projector/TODO.html'
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return data
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def print_value(value):
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if value == -1:
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return _('majority')
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elif value == -2:
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return _('undocumented')
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return unicode(value)
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