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from django.views.generic import CreateView, ListView, UpdateView, DeleteView
from django.views.generic.detail import DetailView
from django.views.generic.edit import FormView, ModelFormMixin
from django.http import JsonResponse
from django.core import serializers
from django.forms import modelformset_factory
from django.db.models import Count
from django.views.generic.base import RedirectView
from django.utils.decorators import method_decorator
from django.contrib.auth.decorators import login_required
from django.shortcuts import get_object_or_404, render, redirect
from django.urls import reverse, reverse_lazy
from rest_framework import viewsets
from rest_framework.response import Response
from rest_framework.decorators import list_route
from rest_framework import permissions
from .serializers import NoteSerializer, NotebookSerializer, NoteTagSerializer
from .models import Note, Notebook, LuxTag
from .forms import NoteForm, NotebookForm
from utils.views import AjaxableResponseMixin
##################
# Base Views
##################
@method_decorator(login_required, name='dispatch')
class BaseListView(ListView):
pass
@method_decorator(login_required, name='dispatch')
class BaseDetailView(DetailView):
pass
@method_decorator(login_required, name='dispatch')
class LoggedInViewWithUser(FormView):
def get_form_kwargs(self, **kwargs):
kwargs = super().get_form_kwargs(**kwargs)
kwargs.update({'user': self.request.user})
return kwargs
##################
# Note Views
##################
class NoteListView(BaseListView):
model = Note
def get_queryset(self):
if not self.request.user.is_anonymous:
return Note.objects.prefetch_related('tags').filter(owner=self.request.user).select_related('notebook')
def get_context_data(self, **kwargs):
context = super(NoteListView, self).get_context_data(**kwargs)
context['notebook_list'] = Notebook.objects.filter(owner=self.request.user).exclude(name="Trash").annotate(note_count=Count('note'))
context['tag_list'] = LuxTag.objects.filter(note__owner=self.request.user).annotate(note_count=Count('note'))
return context
def get_template_names(self):
# print("IP Address for debug-toolbar: " + self.request.META['REMOTE_ADDR'])
if not self.request.user.is_anonymous:
return ['notes/notes_list.html']
else:
return ['sell.html']
class NoteDetailView(LoggedInViewWithUser, AjaxableResponseMixin, UpdateView):
'''
POST only works as AJAX
'''
model = Note
form_class = NoteForm
template_name = 'notes/notes_detail.html'
def get_queryset(self):
if not self.request.user.is_anonymous:
return Note.objects.filter(owner=self.request.user)
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['notebook_form'] = NotebookForm
return context
def form_valid(self, form):
self.object = form.save()
tags = serializers.serialize("json", self.object.tags.all())
data = {
'tags': tags,
'notebook': {'name': self.object.notebook.name, 'color': self.object.notebook.color_rgb}
}
return JsonResponse(data, safe=True)
class NoteCreateView(LoggedInViewWithUser, CreateView):
model = Note
form_class = NoteForm
template_name = 'notes/notes_create.html'
def form_valid(self, form):
form.instance.owner = self.request.user
self.object = form.save()
return super(NoteCreateView, self).form_valid(form)
def get_success_url(self):
return reverse_lazy('notes:detail', kwargs={'slug': self.object.slug, 'pk': self.object.pk})
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['notebook_form'] = NotebookForm
# context['notes_list'] = Note.objects.filter(owner=self.request.user).select_related()
return context
class NoteTagView(BaseListView):
model = Note
template_name = 'notes/notes_list.html'
def get_queryset(self):
'''
This can generate a crazy amount of joins if there's a lot of tags
have to keep an eye on it. Would be better to do:
from django.db.models import Q
from functools import reduce
from operator import and_, or_
#query = reduce(and_, (Q(tags__slug=t) for t in self.tag_list))
# Note.objects.filter(query, owner=self.request.user)
But that doesn't work for some reason.
'''
if not self.request.user.is_anonymous:
try:
tags = self.kwargs['slug'].split("+")
except ValueError:
tags = self.kwargs['slug']
self.tag_list = [x.strip() for x in tags]
qs = Note.objects.prefetch_related('tags').filter(owner=self.request.user).select_related('notebook')
for tag in self.tag_list:
qs = qs.filter(tags__slug=tag)
return qs
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
#context['notes_list'] = Note.objects.filter(owner=self.request.user)
context['tags'] = LuxTag.objects.filter(slug__in=self.tag_list)
return context
##################
# Notebook Views
##################
class NotebookListView(LoggedInViewWithUser, CreateView):
model = Notebook
form_class = NotebookForm
template_name = 'notes/notebook_list.html'
def get_queryset(self):
if not self.request.user.is_anonymous:
return Notebook.objects.filter(owner=self.request.user)
def form_valid(self, form):
form.instance.owner = self.request.user
self.object = form.save()
return super(NotebookListView, self).form_valid(form)
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
NotebookFormSet = modelformset_factory(Notebook, form=NotebookForm, extra=0)
context['notebook_form_list'] = NotebookFormSet(queryset=Notebook.objects.filter(owner=self.request.user).exclude(name="Trash").select_related().annotate(note_count=Count('note')))
#context['notebook_list'] = Notebook.objects.filter(owner=self.request.user).exclude(name="Trash").select_related().annotate(note_count=Count('note'))
#context['notes_list'] = Note.objects.filter(owner=self.request.user).select_related()
return context
def get_success_url(self):
return reverse_lazy('notebooks:detail', kwargs={'slug': self.object.slug})
class NotebookDetailView(BaseDetailView):
model = Notebook
def get_object(self):
notebook = get_object_or_404(self.get_queryset().select_related(), owner=self.request.user, slug=self.kwargs["slug"])
self.form = NotebookForm(instance=notebook)
return notebook
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
#context['notes_list'] = Note.objects.filter(owner=self.request.user).select_related()
context['form'] = self.form
return context
##################
# API Views
##################
class IsOwnerOrDeny(permissions.BasePermission):
"""
Custom permission to only allow owners to post to their endpoint
"""
def has_object_permission(self, request, view, obj):
# Write permissions are only allowed to the owner of the snippet.
return obj.owner == request.user
class NoteViewSet(viewsets.ModelViewSet):
"""
API endpoint that allows notes to be viewed or edited.
"""
serializer_class = NoteSerializer
permission_classes = (permissions.IsAuthenticated,)
def get_queryset(self):
return Note.objects.filter(owner=self.request.user).order_by('-date_created')
def perform_create(self, serializer):
serializer.save(owner=self.request.user, tags__owner=self.request.user)
def get_object(self):
obj = get_object_or_404(self.get_queryset(), pk=self.kwargs["pk"])
if obj.is_public:
return obj
else:
self.check_object_permissions(self.request, obj)
return obj
class NotebookViewSet(viewsets.ModelViewSet):
"""
API endpoint that allows botebook to be viewed or edited.
"""
serializer_class = NotebookSerializer
def get_queryset(self):
return Notebook.objects.filter(owner=self.request.user).order_by('-date_created')
def perform_create(self, serializer):
serializer.save(owner=self.request.user)
def get_menu_data(self, serializer):
return Notebook.objects.filter(owner=self.request.user).order_by('-name')[:1]
class TagViewSet(viewsets.ModelViewSet):
"""
API endpoint that allows notes to be viewed or edited.
"""
serializer_class = NoteTagSerializer
permission_classes = (permissions.IsAuthenticated,)
def get_queryset(self):
return LuxTag.objects.filter(owner=self.request.user)
def perform_create(self, serializer):
serializer.save(owner=self.request.user)
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