nk20/apps/member/views.py

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Python
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import io
from PIL import Image
from dal import autocomplete
from django.conf import settings
from django.contrib import messages
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.contrib.auth.models import User
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from django.contrib.auth.views import LoginView
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from django.core.exceptions import ValidationError
from django.db.models import Q
from django.http import HttpResponseRedirect
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from django.shortcuts import redirect
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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, UpdateView, TemplateView, DeleteView
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from django.views.generic.edit import FormMixin
from django_tables2.views import SingleTableView
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from rest_framework.authtoken.models import Token
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from note.forms import AliasForm, ImageForm
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from note.models import Alias, NoteUser
from note.models.transactions import Transaction
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from note.tables import HistoryTable, AliasTable
from .backends import PermissionBackend
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from .filters import UserFilter, UserFilterFormHelper
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from .forms import SignUpForm, ProfileForm, ClubForm, MembershipForm, MemberFormSet, FormSetHelper, \
CustomAuthenticationForm
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from .models import Club, Membership
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from .tables import ClubTable, UserTable
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class CustomLoginView(LoginView):
form_class = CustomAuthenticationForm
def form_valid(self, form):
self.request.session['permission_mask'] = form.cleaned_data['permission_mask'].rank
return super().form_valid(form)
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class UserCreateView(CreateView):
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"""
Une vue pour inscrire un utilisateur et lui créer un profile
"""
form_class = SignUpForm
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success_url = reverse_lazy('login')
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template_name = 'member/signup.html'
second_form = ProfileForm
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
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context["profile_form"] = self.second_form()
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return context
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def form_valid(self, form):
profile_form = ProfileForm(self.request.POST)
if form.is_valid() and profile_form.is_valid():
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user = form.save(commit=False)
user.profile = profile_form.save(commit=False)
user.save()
user.profile.save()
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return super().form_valid(form)
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class UserUpdateView(LoginRequiredMixin, UpdateView):
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model = User
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fields = ['first_name', 'last_name', 'username', 'email']
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template_name = 'member/profile_update.html'
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context_object_name = 'user_object'
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profile_form = ProfileForm
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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['profile_form'] = self.profile_form(instance=context['user_object'].profile)
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context['title'] = _("Update Profile")
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return context
def get_form(self, form_class=None):
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form = super().get_form(form_class)
if 'username' not in form.data:
return form
new_username = form.data['username']
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# Si l'utilisateur cherche à modifier son pseudo, le nouveau pseudo ne doit pas être proche d'un alias existant
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note = NoteUser.objects.filter(
alias__normalized_name=Alias.normalize(new_username))
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if note.exists() and note.get().user != self.object:
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form.add_error('username',
_("An alias with a similar name already exists."))
return form
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def form_valid(self, form):
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profile_form = ProfileForm(
data=self.request.POST,
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instance=self.object.profile,
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)
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if form.is_valid() and profile_form.is_valid():
new_username = form.data['username']
alias = Alias.objects.filter(name=new_username)
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# Si le nouveau pseudo n'est pas un de nos alias, on supprime éventuellement un alias similaire pour le remplacer
if not alias.exists():
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similar = Alias.objects.filter(
normalized_name=Alias.normalize(new_username))
if similar.exists():
similar.delete()
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user = form.save(commit=False)
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profile = profile_form.save(commit=False)
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profile.user = user
profile.save()
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user.save()
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return super().form_valid(form)
def get_success_url(self, **kwargs):
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if kwargs:
return reverse_lazy('member:user_detail',
kwargs={'pk': kwargs['id']})
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else:
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return reverse_lazy('member:user_detail', args=(self.object.id,))
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class UserDetailView(LoginRequiredMixin, DetailView):
"""
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Affiche les informations sur un utilisateur, sa note, ses clubs...
"""
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model = User
context_object_name = "user_object"
template_name = "member/profile_detail.html"
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def get_queryset(self, **kwargs):
return super().get_queryset().filter(PermissionBackend.filter_queryset(self.request.user, User, "view"))
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
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user = context['user_object']
history_list = \
Transaction.objects.all().filter(Q(source=user.note) | Q(destination=user.note)).order_by("-id")
context['history_list'] = HistoryTable(history_list)
club_list = \
Membership.objects.all().filter(user=user).only("club")
context['club_list'] = ClubTable(club_list)
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context['title'] = _("Account #%(id)s: %(username)s") % {
'id': user.pk,
'username': user.username,
}
return context
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class UserListView(LoginRequiredMixin, SingleTableView):
"""
Affiche la liste des utilisateurs, avec une fonction de recherche statique
"""
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model = User
table_class = UserTable
template_name = 'member/user_list.html'
filter_class = UserFilter
formhelper_class = UserFilterFormHelper
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def get_queryset(self, **kwargs):
qs = super().get_queryset().filter(PermissionBackend.filter_queryset(self.request.user, User, "view"))
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self.filter = self.filter_class(self.request.GET, queryset=qs)
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self.filter.form.helper = self.formhelper_class()
return self.filter.qs
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
context["filter"] = self.filter
return context
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class AliasView(LoginRequiredMixin, FormMixin, DetailView):
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model = User
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template_name = 'member/profile_alias.html'
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context_object_name = 'user_object'
form_class = AliasForm
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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note = context['user_object'].note
context["aliases"] = AliasTable(note.alias_set.all())
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return context
def get_success_url(self):
return reverse_lazy('member:user_alias', kwargs={'pk': self.object.id})
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def post(self, request, *args, **kwargs):
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self.object = self.get_object()
form = self.get_form()
if form.is_valid():
return self.form_valid(form)
else:
return self.form_invalid(form)
def form_valid(self, form):
alias = form.save(commit=False)
alias.note = self.object.note
alias.save()
return super().form_valid(form)
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class DeleteAliasView(LoginRequiredMixin, DeleteView):
model = Alias
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def delete(self, request, *args, **kwargs):
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try:
self.object = self.get_object()
self.object.delete()
except ValidationError as e:
# TODO: pass message to redirected view.
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messages.error(self.request, str(e))
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else:
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messages.success(self.request, _("Alias successfully deleted"))
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return HttpResponseRedirect(self.get_success_url())
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def get_success_url(self):
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return reverse_lazy('member:user_alias', kwargs={'pk': self.object.note.user.pk})
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def get(self, request, *args, **kwargs):
return self.post(request, *args, **kwargs)
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class ProfilePictureUpdateView(LoginRequiredMixin, FormMixin, DetailView):
model = User
template_name = 'member/profile_picture_update.html'
context_object_name = 'user_object'
form_class = ImageForm
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def get_context_data(self, *args, **kwargs):
context = super().get_context_data(*args, **kwargs)
context['form'] = self.form_class(self.request.POST, self.request.FILES)
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return context
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def get_success_url(self):
return reverse_lazy('member:user_detail', kwargs={'pk': self.object.id})
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def post(self, request, *args, **kwargs):
form = self.get_form()
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self.object = self.get_object()
if form.is_valid():
return self.form_valid(form)
else:
print('is_invalid')
print(form)
return self.form_invalid(form)
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def form_valid(self, form):
image_field = form.cleaned_data['image']
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x = form.cleaned_data['x']
y = form.cleaned_data['y']
w = form.cleaned_data['width']
h = form.cleaned_data['height']
# image crop and resize
image_file = io.BytesIO(image_field.read())
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# ext = image_field.name.split('.')[-1].lower()
# TODO: support GIF format
image = Image.open(image_file)
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image = image.crop((x, y, x + w, y + h))
image_clean = image.resize((settings.PIC_WIDTH,
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settings.PIC_RATIO * settings.PIC_WIDTH),
Image.ANTIALIAS)
image_file = io.BytesIO()
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image_clean.save(image_file, "PNG")
image_field.file = image_file
# renaming
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filename = "{}_pic.png".format(self.object.note.pk)
image_field.name = filename
self.object.note.display_image = image_field
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self.object.note.save()
return super().form_valid(form)
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class ManageAuthTokens(LoginRequiredMixin, TemplateView):
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"""
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Affiche le jeton d'authentification, et permet de le regénérer
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"""
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model = Token
template_name = "member/manage_auth_tokens.html"
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def get(self, request, *args, **kwargs):
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if 'regenerate' in request.GET and Token.objects.filter(
user=request.user).exists():
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Token.objects.get(user=self.request.user).delete()
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return redirect(reverse_lazy('member:auth_token') + "?show",
permanent=True)
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return super().get(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
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context['token'] = Token.objects.get_or_create(
user=self.request.user)[0]
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return context
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class UserAutocomplete(autocomplete.Select2QuerySetView):
"""
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Auto complete users by usernames
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"""
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def get_queryset(self):
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"""
Quand une personne cherche un utilisateur par pseudo, une requête est envoyée sur l'API dédiée à l'auto-complétion.
Cette fonction récupère la requête, et renvoie la liste filtrée des utilisateurs par pseudos.
"""
# Un utilisateur non connecté n'a accès à aucune information
if not self.request.user.is_authenticated:
return User.objects.none()
qs = User.objects.filter(PermissionBackend.filter_queryset(self.request.user, User, "view")).all()
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if self.q:
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qs = qs.filter(username__regex="^" + self.q)
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return qs
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# ******************************* #
# CLUB #
# ******************************* #
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class ClubCreateView(LoginRequiredMixin, CreateView):
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"""
Create Club
"""
model = Club
form_class = ClubForm
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def form_valid(self, form):
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return super().form_valid(form)
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class ClubListView(LoginRequiredMixin, SingleTableView):
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"""
List existing Clubs
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"""
model = Club
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table_class = ClubTable
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def get_queryset(self, **kwargs):
return super().get_queryset().filter(PermissionBackend.filter_queryset(self.request.user, Club, "view"))
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class ClubDetailView(LoginRequiredMixin, DetailView):
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model = Club
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context_object_name = "club"
def get_queryset(self, **kwargs):
return super().get_queryset().filter(PermissionBackend.filter_queryset(self.request.user, Club, "view"))
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
club = context["club"]
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club_transactions = \
Transaction.objects.all().filter(Q(source=club.note) | Q(destination=club.note))
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context['history_list'] = HistoryTable(club_transactions)
club_member = \
Membership.objects.all().filter(club=club)
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# TODO: consider only valid Membership
context['member_list'] = club_member
return context
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class ClubAddMemberView(LoginRequiredMixin, CreateView):
model = Membership
form_class = MembershipForm
template_name = 'member/add_members.html'
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def get_queryset(self, **kwargs):
return super().get_queryset().filter(PermissionBackend.filter_queryset(self.request.user, Membership, "view")
| PermissionBackend.filter_queryset(self.request.user, Membership,
"change"))
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['formset'] = MemberFormSet()
context['helper'] = FormSetHelper()
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context['no_cache'] = True
return context
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def post(self, request, *args, **kwargs):
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return
# TODO: Implement POST
# formset = MembershipFormset(request.POST)
# if formset.is_valid():
# return self.form_valid(formset)
# else:
# return self.form_invalid(formset)
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def form_valid(self, formset):
formset.save()
return super().form_valid(formset)