Sith/pedagogy/views.py

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#
# Copyright 2019
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# - Sli <antoine@bartuccio.fr>
#
# 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.
#
#
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from django.conf import settings
from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
from django.http import HttpResponse
from django.shortcuts import get_object_or_404
from django.urls import reverse, reverse_lazy
from django.utils import html
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from django.views.generic import (
CreateView,
DeleteView,
FormView,
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ListView,
UpdateView,
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View,
)
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from haystack.query import SearchQuerySet
from rest_framework.renderers import JSONRenderer
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from core.models import Notification, RealGroup
from core.views import (
CanCreateMixin,
CanEditPropMixin,
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CanViewMixin,
DetailFormView,
)
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from pedagogy.forms import (
UVCommentForm,
UVCommentModerationForm,
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UVCommentReportForm,
UVForm,
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)
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from pedagogy.models import UV, UVComment, UVCommentReport, UVSerializer
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# Some mixins
class CanCreateUVFunctionMixin(View):
"""
Add the function can_create_uv(user) into the template
"""
@staticmethod
def can_create_uv(user):
"""
Creates a dummy instance of UV and test is_owner
"""
return user.is_owner(UV())
def get_context_data(self, **kwargs):
"""
Pass the function to the template
"""
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kwargs = super().get_context_data(**kwargs)
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kwargs["can_create_uv"] = self.can_create_uv
return kwargs
# Acutal views
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class UVDetailFormView(CanViewMixin, CanCreateUVFunctionMixin, DetailFormView):
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"""
Dispaly every comment of an UV and detailed infos about it
Allow to comment the UV
"""
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model = UV
pk_url_kwarg = "uv_id"
template_name = "pedagogy/uv_detail.jinja"
form_class = UVCommentForm
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def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
kwargs["author_id"] = self.request.user.id
kwargs["uv_id"] = self.get_object().id
kwargs["is_creation"] = True
return kwargs
def form_valid(self, form):
form.save()
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return super().form_valid(form)
def get_success_url(self):
return reverse_lazy(
"pedagogy:uv_detail", kwargs={"uv_id": self.get_object().id}
)
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class UVCommentUpdateView(CanEditPropMixin, UpdateView):
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"""
Allow edit of a given comment
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"""
model = UVComment
form_class = UVCommentForm
pk_url_kwarg = "comment_id"
template_name = "core/edit.jinja"
def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
obj = self.get_object()
kwargs["author_id"] = obj.author.id
kwargs["uv_id"] = obj.uv.id
kwargs["is_creation"] = False
return kwargs
def get_success_url(self):
return reverse_lazy("pedagogy:uv_detail", kwargs={"uv_id": self.object.uv.id})
class UVCommentDeleteView(CanEditPropMixin, DeleteView):
"""
Allow delete of a given comment
"""
model = UVComment
pk_url_kwarg = "comment_id"
template_name = "core/delete_confirm.jinja"
def get_success_url(self):
return reverse_lazy("pedagogy:uv_detail", kwargs={"uv_id": self.object.uv.id})
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class UVListView(CanViewMixin, CanCreateUVFunctionMixin, ListView):
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"""
UV guide main page
"""
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# This is very basic and is prone to changment
model = UV
ordering = ["code"]
template_name = "pedagogy/guide.jinja"
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def get(self, *args, **kwargs):
if not self.request.GET.get("json", None):
# Return normal full template response
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return super().get(*args, **kwargs)
# Return serialized response
return HttpResponse(
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JSONRenderer().render(UVSerializer(self.get_queryset(), many=True).data),
content_type="application/json",
)
def get_queryset(self):
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queryset = super().get_queryset()
search = self.request.GET.get("search", None)
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additional_filters = {}
for filter_type in ["credit_type", "language", "department"]:
arg = self.request.GET.get(filter_type, None)
if arg:
additional_filters[filter_type] = arg
semester = self.request.GET.get("semester", None)
if semester:
if semester in ["AUTUMN", "SPRING"]:
additional_filters["semester__in"] = [semester, "AUTUMN_AND_SPRING"]
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else:
additional_filters["semester"] = semester
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queryset = queryset.filter(**additional_filters)
if not search:
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return queryset
if len(search) == 1:
# It's a search with only one letter
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# Haystack doesn't work well with only one letter
return queryset.filter(code__istartswith=search)
try:
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qs = (
SearchQuerySet()
.models(self.model)
.autocomplete(auto=html.escape(search))
)
except TypeError:
return self.model.objects.none()
return queryset.filter(
id__in=([o.object.id for o in qs if o.object is not None])
)
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class UVCommentReportCreateView(CanCreateMixin, CreateView):
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"""
Create a new report for an inapropriate comment
"""
model = UVCommentReport
form_class = UVCommentReportForm
template_name = "core/edit.jinja"
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def dispatch(self, request, *args, **kwargs):
self.uv_comment = get_object_or_404(UVComment, pk=kwargs["comment_id"])
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return super().dispatch(request, *args, **kwargs)
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def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
kwargs["reporter_id"] = self.request.user.id
kwargs["comment_id"] = self.uv_comment.id
return kwargs
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def form_valid(self, form):
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resp = super().form_valid(form)
# Send a message to moderation admins
for user in (
RealGroup.objects.filter(id=settings.SITH_GROUP_PEDAGOGY_ADMIN_ID)
.first()
.users.all()
):
if not user.notifications.filter(
type="PEDAGOGY_MODERATION", viewed=False
).exists():
Notification(
user=user,
url=reverse("pedagogy:moderation"),
type="PEDAGOGY_MODERATION",
).save()
return resp
def get_success_url(self):
return reverse_lazy(
"pedagogy:uv_detail", kwargs={"uv_id": self.uv_comment.uv.id}
)
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class UVModerationFormView(FormView):
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"""
Moderation interface (Privileged)
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"""
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form_class = UVCommentModerationForm
template_name = "pedagogy/moderation.jinja"
def dispatch(self, request, *args, **kwargs):
if not request.user.is_owner(UV()):
raise PermissionDenied
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return super().dispatch(request, *args, **kwargs)
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def form_valid(self, form):
form_clean = form.clean()
for report in form_clean.get("accepted_reports", []):
try:
report.comment.delete() # Delete the related comment
except ObjectDoesNotExist:
# To avoid errors when two reports points the same comment
pass
for report in form_clean.get("denied_reports", []):
try:
report.delete() # Delete the report itself
except ObjectDoesNotExist:
# To avoid errors when two reports points the same comment
pass
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return super().form_valid(form)
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def get_success_url(self):
return reverse_lazy("pedagogy:moderation")
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class UVCreateView(CanCreateMixin, CreateView):
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"""
Add a new UV (Privileged)
"""
model = UV
form_class = UVForm
template_name = "pedagogy/uv_edit.jinja"
def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
kwargs["author_id"] = self.request.user.id
return kwargs
def get_success_url(self):
return reverse_lazy("pedagogy:uv_detail", kwargs={"uv_id": self.object.id})
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class UVDeleteView(CanEditPropMixin, DeleteView):
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"""
Allow to delete an UV (Privileged)
"""
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model = UV
pk_url_kwarg = "uv_id"
template_name = "core/delete_confirm.jinja"
def get_success_url(self):
return reverse_lazy("pedagogy:guide")
class UVUpdateView(CanEditPropMixin, UpdateView):
"""
Allow to edit an UV (Privilegied)
"""
model = UV
form_class = UVForm
pk_url_kwarg = "uv_id"
template_name = "pedagogy/uv_edit.jinja"
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def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
obj = self.get_object()
kwargs["author_id"] = obj.author.id
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return kwargs
def get_success_url(self):
return reverse_lazy("pedagogy:uv_detail", kwargs={"uv_id": self.object.id})