moviewyrm/bookwyrm/views/shelf.py

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''' shelf views'''
from django.contrib.auth.decorators import login_required
from django.http import HttpResponseBadRequest, HttpResponseNotFound
from django.shortcuts import get_object_or_404, redirect
from django.template.response import TemplateResponse
from django.utils.decorators import method_decorator
from django.views import View
from django.views.decorators.http import require_POST
from bookwyrm import forms, models
from bookwyrm.activitypub import ActivitypubResponse
from bookwyrm.broadcast import broadcast
from .helpers import is_api_request, get_edition, get_user_from_username
from .helpers import handle_reading_status
# pylint: disable= no-self-use
class Shelf(View):
''' shelf page '''
def get(self, request, username, shelf_identifier):
''' display a shelf '''
try:
user = get_user_from_username(username)
except models.User.DoesNotExist:
return HttpResponseNotFound()
if shelf_identifier:
shelf = user.shelf_set.get(identifier=shelf_identifier)
else:
shelf = user.shelf_set.first()
is_self = request.user == user
shelves = user.shelf_set
if not is_self:
follower = user.followers.filter(id=request.user.id).exists()
# make sure the user has permission to view the shelf
if shelf.privacy == 'direct' or \
(shelf.privacy == 'followers' and not follower):
return HttpResponseNotFound()
# only show other shelves that should be visible
if follower:
shelves = shelves.filter(privacy__in=['public', 'followers'])
else:
shelves = shelves.filter(privacy='public')
if is_api_request(request):
return ActivitypubResponse(shelf.to_activity(**request.GET))
books = models.ShelfBook.objects.filter(
added_by=user, shelf=shelf
).order_by('-updated_date').all()
data = {
'title': '%s\'s %s shelf' % (user.display_name, shelf.name),
'user': user,
'is_self': is_self,
'shelves': shelves.all(),
'shelf': shelf,
'books': [b.book for b in books],
}
return TemplateResponse(request, 'shelf.html', data)
@method_decorator(login_required, name='dispatch')
def post(self, request, username, shelf_id):
''' user generated shelves '''
if not request.user.username == username:
return HttpResponseBadRequest()
shelf = get_object_or_404(models.Shelf, id=shelf_id)
if request.user != shelf.user:
return HttpResponseBadRequest()
if not shelf.editable and request.POST.get('name') != shelf.name:
return HttpResponseBadRequest()
form = forms.ShelfForm(request.POST, instance=shelf)
if not form.is_valid():
return redirect(shelf.local_path)
shelf = form.save()
return redirect(shelf.local_path)
def user_shelves_page(request, username):
''' default shelf '''
return Shelf.as_view()(request, username, None)
@login_required
@require_POST
def create_shelf(request):
''' user generated shelves '''
form = forms.ShelfForm(request.POST)
if not form.is_valid():
return redirect(request.headers.get('Referer', '/'))
shelf = form.save()
return redirect('/user/%s/shelf/%s' % \
(request.user.localname, shelf.identifier))
@login_required
@require_POST
def delete_shelf(request, shelf_id):
''' user generated shelves '''
shelf = get_object_or_404(models.Shelf, id=shelf_id)
if request.user != shelf.user or not shelf.editable:
return HttpResponseBadRequest()
shelf.delete()
return redirect('/user/%s/shelves' % request.user.localname)
@login_required
@require_POST
def shelve(request):
''' put a on a user's shelf '''
book = get_edition(request.POST.get('book'))
desired_shelf = models.Shelf.objects.filter(
identifier=request.POST.get('shelf'),
user=request.user
).first()
if request.POST.get('reshelve', True):
try:
current_shelf = models.Shelf.objects.get(
user=request.user,
edition=book
)
handle_unshelve(request.user, book, current_shelf)
except models.Shelf.DoesNotExist:
# this just means it isn't currently on the user's shelves
pass
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shelfbook = models.ShelfBook.objects.create(
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book=book, shelf=desired_shelf, added_by=request.user)
broadcast(request.user, shelfbook.to_add_activity(request.user))
# post about "want to read" shelves
if desired_shelf.identifier == 'to-read':
handle_reading_status(
request.user,
desired_shelf,
book,
privacy=desired_shelf.privacy
)
return redirect('/')
@login_required
@require_POST
def unshelve(request):
''' put a on a user's shelf '''
book = models.Edition.objects.get(id=request.POST['book'])
current_shelf = models.Shelf.objects.get(id=request.POST['shelf'])
handle_unshelve(request.user, book, current_shelf)
return redirect(request.headers.get('Referer', '/'))
def handle_unshelve(user, book, shelf):
''' unshelve a book '''
row = models.ShelfBook.objects.get(book=book, shelf=shelf)
activity = row.to_remove_activity(user)
row.delete()
broadcast(user, activity)