plateforme-corres2math/apps/participation/views.py

206 lines
8.2 KiB
Python

from io import BytesIO
from zipfile import ZipFile
from corres2math.lists import get_sympa_client
from django.contrib.auth.mixins import LoginRequiredMixin
from django.core.exceptions import PermissionDenied
from django.db import transaction
from django.http import HttpResponse
from django.urls import reverse_lazy
from django.utils.translation import gettext_lazy as _
from django.views.generic import CreateView, DetailView, FormView, RedirectView, UpdateView
from magic import Magic
from .forms import JoinTeamForm, ParticipationForm, TeamForm, UploadVideoForm
from .models import Participation, Team, Video
class CreateTeamView(LoginRequiredMixin, CreateView):
model = Team
form_class = TeamForm
extra_context = dict(title=_("Create team"))
template_name = "participation/create_team.html"
def dispatch(self, request, *args, **kwargs):
user = request.user
registration = user.registration
if not registration.participates:
raise PermissionDenied(_("You don't participate, so you can't create a team."))
elif registration.team:
raise PermissionDenied(_("You are already in a team."))
return super().dispatch(request, *args, **kwargs)
@transaction.atomic
def form_valid(self, form):
ret = super().form_valid(form)
user = self.request.user
registration = user.registration
registration.team = form.instance
registration.save()
get_sympa_client().subscribe(user.email, f"equipe-{form.instance.trigram.lower()}", False,
f"{user.first_name} {user.last_name}")
return ret
def get_success_url(self):
return reverse_lazy("participation:team_detail", args=(self.object.pk,))
class JoinTeamView(LoginRequiredMixin, FormView):
model = Team
form_class = JoinTeamForm
extra_context = dict(title=_("Join team"))
template_name = "participation/create_team.html"
def dispatch(self, request, *args, **kwargs):
user = request.user
registration = user.registration
if not registration.participates:
raise PermissionDenied(_("You don't participate, so you can't create a team."))
elif registration.team:
raise PermissionDenied(_("You are already in a team."))
return super().dispatch(request, *args, **kwargs)
@transaction.atomic
def form_valid(self, form):
self.object = form.instance
ret = super().form_valid(form)
user = self.request.user
registration = user.registration
registration.team = form.instance
registration.save()
get_sympa_client().subscribe(user.email, f"equipe-{form.instance.trigram.lower()}", False,
f"{user.first_name} {user.last_name}")
return ret
def get_success_url(self):
return reverse_lazy("participation:team_detail", args=(self.object.pk,))
class MyTeamDetailView(LoginRequiredMixin, RedirectView):
def get_redirect_url(self, *args, **kwargs):
user = self.request.user
registration = user.registration
if registration.participates:
if registration.team:
return reverse_lazy("participation:team_detail", args=(registration.team_id,))
raise PermissionDenied(_("You are not in a team."))
raise PermissionDenied(_("You don't participate, so you don't have any team."))
class TeamDetailView(LoginRequiredMixin, DetailView):
model = Team
def get(self, request, *args, **kwargs):
user = request.user
if user.registration.is_admin or user.registration.participates and user.registration.team.pk == kwargs["pk"]:
return super().get(request, *args, **kwargs)
raise PermissionDenied
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
team = self.object
context["can_validate"] = team.students.count() >= 3 and \
all(r.email_confirmed for r in team.students.all()) and \
all(r.photo_authorization for r in team.students.all()) and \
team.participation.problem
return context
class TeamUpdateView(LoginRequiredMixin, UpdateView):
model = Team
form_class = TeamForm
template_name = "participation/update_team.html"
def dispatch(self, request, *args, **kwargs):
user = request.user
if user.registration.is_admin or user.registration.participates and user.registration.team.pk == kwargs["pk"]:
return super().dispatch(request, *args, **kwargs)
raise PermissionDenied
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context["participation_form"] = ParticipationForm(data=self.request.POST or None,
instance=self.object.participation)
return context
@transaction.atomic
def form_valid(self, form):
participation_form = ParticipationForm(data=self.request.POST or None, instance=self.object.participation)
if not participation_form.is_valid():
return self.form_invalid(form)
participation_form.save()
return super().form_valid(form)
def get_success_url(self):
return reverse_lazy("participation:team_detail", args=(self.object.pk,))
class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
model = Team
def dispatch(self, request, *args, **kwargs):
user = request.user
if user.registration.is_admin or user.registration.participates and user.registration.team.pk == kwargs["pk"]:
return super().dispatch(request, *args, **kwargs)
raise PermissionDenied
def get(self, request, *args, **kwargs):
team = self.get_object()
output = BytesIO()
zf = ZipFile(output, "w")
for student in team.students.all():
magic = Magic(mime=True)
mime_type = magic.from_file("media/" + student.photo_authorization.name)
ext = mime_type.split("/")[1].replace("jpeg", "jpg")
zf.write("media/" + student.photo_authorization.name,
_("Photo authorization of {student}.{ext}").format(student=str(student), ext=ext))
zf.close()
response = HttpResponse(content_type="application/zip")
response["Content-Disposition"] = "attachment; filename=\"{filename}\"" \
.format(filename=_("Photo authorizations of team {trigram}.zip").format(trigram=team.trigram))
response.write(output.getvalue())
return response
class MyParticipationDetailView(LoginRequiredMixin, RedirectView):
def get_redirect_url(self, *args, **kwargs):
user = self.request.user
registration = user.registration
if registration.participates:
if registration.team:
return reverse_lazy("participation:participation_detail", args=(registration.team.participation.id,))
raise PermissionDenied(_("You are not in a team."))
raise PermissionDenied(_("You don't participate, so you don't have any team."))
class ParticipationDetailView(LoginRequiredMixin, DetailView):
model = Participation
def dispatch(self, request, *args, **kwargs):
user = request.user
if not self.get_object().valid:
raise PermissionDenied(_("The team is not validated yet."))
if user.registration.is_admin or user.registration.participates \
and user.registration.team.participation.pk == kwargs["pk"]:
return super().dispatch(request, *args, **kwargs)
raise PermissionDenied
class UploadVideoView(LoginRequiredMixin, UpdateView):
model = Video
form_class = UploadVideoForm
template_name = "participation/upload_video.html"
def dispatch(self, request, *args, **kwargs):
user = request.user
if user.registration.is_admin or user.registration.participates \
and user.registration.team.participation.pk == self.get_object().participation.pk:
return super().dispatch(request, *args, **kwargs)
raise PermissionDenied
def get_success_url(self):
return reverse_lazy("participation:participation_detail", args=(self.object.participation.pk,))