2020-12-21 00:07:07 +01:00
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.urls import reverse
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2020-12-20 01:58:38 +01:00
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from django.utils import timezone
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from django.views.generic.detail import SingleObjectMixin
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from .models import Election, Option, Question
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2020-12-20 02:31:56 +01:00
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class SelectElectionMixin:
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"""Sélectionne automatiquement les foreignkeys voulues"""
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def get_queryset(self):
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qs = super().get_queryset()
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if self.model is Question:
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return qs.select_related("election")
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elif self.model is Option:
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return qs.select_related("question__election")
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return qs
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class RestrictAccessMixin(SelectElectionMixin):
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2020-12-20 01:58:38 +01:00
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"""Permet de restreindre l'accès à des élections/questions/options"""
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f_prefixes = {Election: "", Question: "election__", Option: "question__election__"}
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def get_f_prefix(self):
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return self.f_prefixes.get(self.model, None)
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def get_filters(self):
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return {}
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2020-12-19 23:48:18 +01:00
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def get_queryset(self):
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2020-12-20 01:58:38 +01:00
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qs = super().get_queryset()
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if self.model in self.f_prefixes:
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return qs.filter(**self.get_filters())
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# On ne sait pas ce qu'on manipule donc on ne renvoie rien
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return qs.none()
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2020-12-20 18:50:38 +01:00
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class OpenElectionOnlyMixin(RestrictAccessMixin):
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2020-12-20 10:35:18 +01:00
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"""N'autorise la vue que lorsque l'élection est ouverte"""
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def get_filters(self):
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f_prefix = self.get_f_prefix()
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# On ne peut modifier que les élections qui n'ont pas commencé, et
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# accessoirement qui ne sont pas dépouillées ou archivées
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# TODO: décider si on choisit pas de juste garder les dates d'ouverture
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filters = super().get_filters()
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filters[f_prefix + "start_date__lt"] = timezone.now()
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filters[f_prefix + "end_date__gt"] = timezone.now()
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filters[f_prefix + "tallied"] = False
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filters[f_prefix + "archived"] = False
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return filters
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2020-12-21 00:07:07 +01:00
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class CreatorOnlyMixin(LoginRequiredMixin, RestrictAccessMixin):
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2020-12-20 01:58:38 +01:00
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"""Restreint l'accès au créateurice de l'élection"""
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2020-12-21 00:07:07 +01:00
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def get_next_url(self):
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return reverse("kadenios")
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2020-12-20 01:58:38 +01:00
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def get_filters(self):
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filters = super().get_filters()
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2020-12-19 23:48:18 +01:00
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# TODO: change the way we collect the user according to the model used
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2020-12-20 01:58:38 +01:00
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filters[self.get_f_prefix() + "created_by"] = self.request.user
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return filters
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class CreatorOnlyEditMixin(CreatorOnlyMixin, SingleObjectMixin):
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"""Permet au créateurice de modifier l'élection implicitement"""
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def get_filters(self):
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# On ne peut modifier que les élections qui n'ont pas commencé
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filters = super().get_filters()
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filters[self.get_f_prefix() + "start_date__gt"] = timezone.now()
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return filters
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2020-12-19 23:48:18 +01:00
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2020-12-21 13:38:18 +01:00
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class AdministratorOnlyMixin(LoginRequiredMixin):
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2020-12-19 23:48:18 +01:00
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"""Restreint l'accès aux admins"""
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class VoterOnlyMixin:
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"""Restreint l'accès aux voteureuses de l'élection"""
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