188 lines
7.3 KiB
Python
188 lines
7.3 KiB
Python
from io import BytesIO
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from zipfile import ZipFile
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.core.exceptions import PermissionDenied
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from django.db import transaction
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from django.http import FileResponse, HttpResponse
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from django.urls import reverse_lazy
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from django.utils.translation import gettext_lazy as _
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from django.views.generic import CreateView, DetailView, FormView, RedirectView, UpdateView
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from magic import Magic
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from .forms import JoinTeamForm, ParticipationForm, TeamForm, UploadVideoForm
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from .models import Participation, Team, Video
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class CreateTeamView(LoginRequiredMixin, CreateView):
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model = Team
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form_class = TeamForm
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extra_context = dict(title=_("Create team"))
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template_name = "participation/create_team.html"
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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registration = user.registration
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if not registration.participates:
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raise PermissionDenied(_("You don't participate, so you can't create a team."))
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elif registration.team:
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raise PermissionDenied(_("You are already in a team."))
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return super().dispatch(request, *args, **kwargs)
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@transaction.atomic
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def form_valid(self, form):
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ret = super().form_valid(form)
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user = self.request.user
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registration = user.registration
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registration.team = form.instance
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registration.save()
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return ret
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def get_success_url(self):
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return reverse_lazy("participation:team_detail", args=(self.object.pk,))
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class JoinTeamView(LoginRequiredMixin, FormView):
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model = Team
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form_class = JoinTeamForm
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extra_context = dict(title=_("Join team"))
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template_name = "participation/create_team.html"
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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registration = user.registration
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if not registration.participates:
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raise PermissionDenied(_("You don't participate, so you can't create a team."))
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elif registration.team:
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raise PermissionDenied(_("You are already in a team."))
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return super().dispatch(request, *args, **kwargs)
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@transaction.atomic
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def form_valid(self, form):
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self.object = form.instance
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ret = super().form_valid(form)
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user = self.request.user
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registration = user.registration
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registration.team = form.instance
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registration.save()
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return ret
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def get_success_url(self):
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return reverse_lazy("participation:team_detail", args=(self.object.pk,))
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class MyTeamDetailView(LoginRequiredMixin, RedirectView):
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def get_redirect_url(self, *args, **kwargs):
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user = self.request.user
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registration = user.registration
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if registration.participates:
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if registration.team:
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return reverse_lazy("participation:team_detail", args=(registration.team_id,))
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raise PermissionDenied(_("You are not in a team."))
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raise PermissionDenied(_("You don't participate, so you don't have any team."))
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class TeamDetailView(LoginRequiredMixin, DetailView):
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model = Team
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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if user.registration.is_admin or user.registration.participates and user.registration.team.pk == kwargs["pk"]:
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return super().dispatch(request, *args, **kwargs)
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raise PermissionDenied
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class TeamUpdateView(LoginRequiredMixin, UpdateView):
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model = Team
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form_class = TeamForm
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template_name = "participation/update_team.html"
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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if user.registration.is_admin or user.registration.participates and user.registration.team.pk == kwargs["pk"]:
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return super().dispatch(request, *args, **kwargs)
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raise PermissionDenied
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context["participation_form"] = ParticipationForm(data=self.request.POST or None,
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instance=self.object.participation)
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return context
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@transaction.atomic
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def form_valid(self, form):
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participation_form = ParticipationForm(data=self.request.POST or None, instance=self.object.participation)
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if not participation_form.is_valid():
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return self.form_invalid(form)
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participation_form.save()
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return super().form_valid(form)
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def get_success_url(self):
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return reverse_lazy("participation:team_detail", args=(self.object.pk,))
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class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
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model = Team
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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if user.registration.is_admin or user.registration.participates and user.registration.team.pk == kwargs["pk"]:
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return super().dispatch(request, *args, **kwargs)
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raise PermissionDenied
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def get(self, request, *args, **kwargs):
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team = self.get_object()
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output = BytesIO()
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zf = ZipFile(output, "w")
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for student in team.students.all():
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magic = Magic(mime=True)
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mime_type = magic.from_file("media/" + student.photo_authorization.name)
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ext = mime_type.split("/")[1].replace("jpeg", "jpg")
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zf.write("media/" + student.photo_authorization.name,
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_("Photo authorization of {student}.{ext}").format(student=str(student), ext=ext))
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zf.close()
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response = HttpResponse(content_type="application/zip")
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response["Content-Disposition"] = "attachment; filename=\"{filename}\""\
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.format(filename=_("Photo authorizations of team {trigram}.zip").format(trigram=team.trigram))
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response.write(output.getvalue())
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return response
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class MyParticipationDetailView(LoginRequiredMixin, RedirectView):
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def get_redirect_url(self, *args, **kwargs):
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user = self.request.user
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registration = user.registration
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if registration.participates:
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if registration.team:
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return reverse_lazy("participation:participation_detail", args=(registration.team.participation.id,))
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raise PermissionDenied(_("You are not in a team."))
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raise PermissionDenied(_("You don't participate, so you don't have any team."))
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class ParticipationDetailView(LoginRequiredMixin, DetailView):
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model = Participation
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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if user.registration.is_admin or user.registration.participates\
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and user.registration.team.participation.pk == kwargs["pk"]:
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return super().dispatch(request, *args, **kwargs)
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raise PermissionDenied
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class UploadVideoView(LoginRequiredMixin, UpdateView):
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model = Video
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form_class = UploadVideoForm
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template_name = "participation/upload_video.html"
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def dispatch(self, request, *args, **kwargs):
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user = request.user
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if user.registration.is_admin or user.registration.participates\
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and user.registration.team.participation.pk == self.get_object().participation.pk:
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return super().dispatch(request, *args, **kwargs)
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raise PermissionDenied
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def get_success_url(self):
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return reverse_lazy("participation:participation_detail", args=(self.object.participation.pk,))
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