2016-12-05 19:18:03 +00:00
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from django.utils import timezone
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from django.conf import settings
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from datetime import timedelta
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2016-12-19 19:30:19 +00:00
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from core.models import User, Group
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2016-12-05 19:18:03 +00:00
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class Election(models.Model):
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"""
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2016-12-07 22:55:05 +00:00
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This class allows to create a new election
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2016-12-05 19:18:03 +00:00
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"""
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title = models.CharField(_('title'), max_length=255)
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description = models.TextField(_('description'), null=True, blank=True)
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2016-12-13 21:11:06 +00:00
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start_candidature = models.DateTimeField(_('start candidature'), blank=False)
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end_candidature = models.DateTimeField(_('end candidature'), blank=False)
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2016-12-05 19:18:03 +00:00
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start_date = models.DateTimeField(_('start date'), blank=False)
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end_date = models.DateTimeField(_('end date'), blank=False)
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2016-12-22 00:57:17 +00:00
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edit_groups = models.ManyToManyField(Group, related_name="editable_elections", verbose_name=_("edit groups"), blank=True)
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view_groups = models.ManyToManyField(Group, related_name="viewable_elections", verbose_name=_("view groups"), blank=True)
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vote_groups = models.ManyToManyField(Group, related_name="votable_elections", verbose_name=_("vote groups"), blank=True)
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candidature_groups = models.ManyToManyField(Group, related_name="candidate_elections", verbose_name=_("candidature groups"), blank=True)
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2016-12-23 22:49:00 +00:00
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voters = models.ManyToManyField(User, verbose_name=('voters'), related_name='voted_elections')
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2016-12-19 19:30:19 +00:00
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2016-12-05 19:18:03 +00:00
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def __str__(self):
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return self.title
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@property
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2016-12-23 00:04:26 +00:00
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def is_vote_active(self):
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2016-12-05 19:18:03 +00:00
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now = timezone.now()
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return bool(now <= self.end_date and now >= self.start_date)
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2016-12-23 20:53:54 +00:00
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@property
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def is_vote_finished(self):
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return bool(timezone.now() > self.end_date)
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2016-12-07 22:55:05 +00:00
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@property
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2016-12-13 21:11:06 +00:00
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def is_candidature_active(self):
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2016-12-07 22:55:05 +00:00
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now = timezone.now()
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2016-12-13 21:11:06 +00:00
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return bool(now <= self.end_candidature and now >= self.start_candidature)
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2016-12-07 22:55:05 +00:00
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2016-12-22 21:00:02 +00:00
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def can_candidate(self, user):
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for group in self.candidature_groups.all():
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if user.is_in_group(group):
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return True
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return False
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2016-12-22 23:34:30 +00:00
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def can_vote(self, user):
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2016-12-23 00:04:26 +00:00
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if not self.is_vote_active or self.has_voted(user):
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return False
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2016-12-22 23:34:30 +00:00
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for group in self.vote_groups.all():
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if user.is_in_group(group):
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return True
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return False
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2016-12-23 22:49:00 +00:00
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def has_voted(self, user):
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return self.voters.filter(id=user.id).exists()
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2016-12-23 16:13:46 +00:00
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@property
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2016-12-23 19:40:54 +00:00
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def results(self):
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2016-12-23 16:13:46 +00:00
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results = {}
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2016-12-23 22:49:00 +00:00
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total_vote = self.voters.count()
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2016-12-23 21:58:54 +00:00
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for role in self.roles.all():
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2016-12-23 22:49:00 +00:00
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results[role.title] = role.results(total_vote)
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2016-12-23 16:13:46 +00:00
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return results
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2016-12-19 19:30:19 +00:00
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# Permissions
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2016-12-19 15:45:38 +00:00
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2016-12-05 19:18:03 +00:00
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2016-12-13 21:11:06 +00:00
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class Role(models.Model):
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2016-12-05 19:18:03 +00:00
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"""
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2016-12-13 21:11:06 +00:00
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This class allows to create a new role avaliable for a candidature
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2016-12-05 19:18:03 +00:00
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"""
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2016-12-23 21:58:54 +00:00
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election = models.ForeignKey(Election, related_name='roles', verbose_name=_("election"))
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2016-12-05 19:18:03 +00:00
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title = models.CharField(_('title'), max_length=255)
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description = models.TextField(_('description'), null=True, blank=True)
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2016-12-19 19:30:19 +00:00
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max_choice = models.IntegerField(_('max choice'), default=1)
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2016-12-05 19:18:03 +00:00
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2016-12-23 22:49:00 +00:00
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def results(self, total_vote):
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2016-12-23 16:13:46 +00:00
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results = {}
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2016-12-23 22:49:00 +00:00
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total_vote *= self.max_choice
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2016-12-23 16:13:46 +00:00
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if total_vote == 0:
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return None
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non_blank = 0
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2016-12-23 21:58:54 +00:00
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for candidature in self.candidatures.all():
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2016-12-23 16:13:46 +00:00
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cand_results = {}
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2016-12-23 21:58:54 +00:00
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cand_results['vote'] = self.votes.filter(candidature=candidature).count()
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2016-12-23 16:13:46 +00:00
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cand_results['percent'] = cand_results['vote'] * 100 / total_vote
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non_blank += cand_results['vote']
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results[candidature.user.username] = cand_results
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results['total vote'] = total_vote
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results['blank vote'] = {'vote': total_vote - non_blank,
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'percent': (total_vote - non_blank) * 100 / total_vote}
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return results
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2016-12-05 19:18:03 +00:00
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def __str__(self):
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return ("%s : %s") % (self.election.title, self.title)
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2016-12-19 15:45:38 +00:00
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class ElectionList(models.Model):
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2016-12-14 17:10:15 +00:00
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"""
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To allow per list vote
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"""
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title = models.CharField(_('title'), max_length=255)
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2016-12-23 21:58:54 +00:00
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election = models.ForeignKey(Election, related_name='election_lists', verbose_name=_("election"))
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2016-12-14 17:10:15 +00:00
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2016-12-20 20:03:52 +00:00
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def __str__(self):
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return self.title
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2016-12-14 17:10:15 +00:00
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2016-12-13 21:11:06 +00:00
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class Candidature(models.Model):
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2016-12-05 19:18:03 +00:00
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"""
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2016-12-07 22:55:05 +00:00
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This class is a component of responsability
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2016-12-05 19:18:03 +00:00
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"""
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2016-12-23 21:58:54 +00:00
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role = models.ForeignKey(Role, related_name='candidatures', verbose_name=_("role"))
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user = models.ForeignKey(User, verbose_name=_('user'), related_name='candidates', blank=True)
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2016-12-05 19:18:03 +00:00
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program = models.TextField(_('description'), null=True, blank=True)
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2016-12-23 21:58:54 +00:00
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election_list = models.ForeignKey(ElectionList, related_name='candidatures', verbose_name=_('election_list'))
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2016-12-07 22:55:05 +00:00
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2016-12-21 16:33:16 +00:00
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def __str__(self):
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return "%s : %s" % (self.role.title, self.user.username)
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2016-12-07 22:55:05 +00:00
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class Vote(models.Model):
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"""
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This class allows to vote for candidates
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"""
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2016-12-23 21:58:54 +00:00
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role = models.ForeignKey(Role, related_name='votes', verbose_name=_("role"))
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candidature = models.ManyToManyField(Candidature, related_name='votes', verbose_name=_("candidature"))
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2016-12-07 22:55:05 +00:00
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def __str__(self):
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return "Vote"
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