Sith/core/views/group.py

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# -*- coding:utf-8 -*
#
# Copyright 2016,2017
# - Skia <skia@libskia.so>
#
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# http://ae.utbm.fr.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License a published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
"""
This module contains views to manage Groups
"""
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from django.views.generic.edit import UpdateView, CreateView, DeleteView
from django.views.generic import ListView
from django.views.generic.edit import FormView
from django.urls import reverse_lazy
from django.shortcuts import get_object_or_404
from django.utils.translation import gettext_lazy as _
from django import forms
from ajax_select.fields import AutoCompleteSelectMultipleField
from core.models import RealGroup, User
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from core.views import CanCreateMixin, CanEditMixin, DetailFormView
# Forms
class EditMembersForm(forms.Form):
"""
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Add and remove members from a Group
"""
def __init__(self, *args, **kwargs):
self.current_users = kwargs.pop("users", [])
super(EditMembersForm, self).__init__(*args, **kwargs)
self.fields["users_removed"] = forms.ModelMultipleChoiceField(
User.objects.filter(id__in=self.current_users).all(),
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label=_("Users to remove from group"),
required=False,
widget=forms.CheckboxSelectMultiple,
)
users_added = AutoCompleteSelectMultipleField(
"users",
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label=_("Users to add to group"),
help_text=_("Search users to add (one or more)."),
required=False,
)
def clean_users_added(self):
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"""
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Check that the user is not trying to add an user already in the group
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"""
cleaned_data = super(EditMembersForm, self).clean()
users_added = cleaned_data.get("users_added", None)
if not users_added:
return users_added
current_users = [
str(id_) for id_ in self.current_users.values_list("id", flat=True)
]
for user in users_added:
if user in current_users:
raise forms.ValidationError(
_("You can not add the same user twice"), code="invalid"
)
return users_added
# Views
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class GroupListView(CanEditMixin, ListView):
"""
Displays the Group list
"""
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model = RealGroup
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ordering = ["name"]
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template_name = "core/group_list.jinja"
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class GroupEditView(CanEditMixin, UpdateView):
"""
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Edit infos of a Group
"""
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model = RealGroup
pk_url_kwarg = "group_id"
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template_name = "core/group_edit.jinja"
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fields = ["name", "description"]
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class GroupCreateView(CanCreateMixin, CreateView):
"""
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Add a new Group
"""
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model = RealGroup
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template_name = "core/create.jinja"
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fields = ["name", "description"]
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class GroupTemplateView(CanEditMixin, DetailFormView):
"""
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Display all users in a given Group
Allow adding and removing users from it
"""
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model = RealGroup
form_class = EditMembersForm
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pk_url_kwarg = "group_id"
template_name = "core/group_detail.jinja"
def form_valid(self, form):
resp = super(GroupTemplateView, self).form_valid(form)
data = form.clean()
group = self.get_object()
for user in data["users_removed"]:
group.users.remove(user)
for user in data["users_added"]:
group.users.add(user)
group.save()
return resp
def get_success_url(self):
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return reverse_lazy(
"core:group_detail", kwargs={"group_id": self.get_object().id}
)
def get_form_kwargs(self):
kwargs = super(GroupTemplateView, self).get_form_kwargs()
kwargs["users"] = self.get_object().users.all()
return kwargs
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class GroupDeleteView(CanEditMixin, DeleteView):
"""
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Delete a Group
"""
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model = RealGroup
pk_url_kwarg = "group_id"
template_name = "core/delete_confirm.jinja"
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success_url = reverse_lazy("core:group_list")