moviewyrm/bookwyrm/views/list.py

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""" book list views"""
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from django.contrib.auth.decorators import login_required
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from django.core.paginator import Paginator
from django.db import IntegrityError
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from django.db.models import Count, Q
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from django.http import HttpResponseNotFound, HttpResponseBadRequest
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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
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from django.views.decorators.http import require_POST
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from bookwyrm import forms, models
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from bookwyrm.activitypub import ActivitypubResponse
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from bookwyrm.connectors import connector_manager
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from .helpers import is_api_request, object_visible_to_user, privacy_filter
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from .helpers import get_user_from_username
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# pylint: disable=no-self-use
class Lists(View):
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""" book list page """
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def get(self, request):
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""" display a book list """
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try:
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page = int(request.GET.get("page", 1))
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except ValueError:
page = 1
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# hide lists with no approved books
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lists = (
models.List.objects.annotate(
item_count=Count("listitem", filter=Q(listitem__approved=True))
)
.filter(item_count__gt=0)
.order_by("-updated_date")
.distinct()
.all()
)
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lists = privacy_filter(
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request.user, lists, privacy_levels=["public", "followers"]
)
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paginated = Paginator(lists, 12)
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data = {
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"lists": paginated.page(page),
"list_form": forms.ListForm(),
"path": "/list",
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}
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return TemplateResponse(request, "lists/lists.html", data)
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@method_decorator(login_required, name="dispatch")
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# pylint: disable=unused-argument
def post(self, request):
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""" create a book_list """
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form = forms.ListForm(request.POST)
if not form.is_valid():
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return redirect("lists")
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book_list = form.save()
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return redirect(book_list.local_path)
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class UserLists(View):
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""" a user's book list page """
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def get(self, request, username):
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""" display a book list """
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try:
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page = int(request.GET.get("page", 1))
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except ValueError:
page = 1
user = get_user_from_username(request.user, username)
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lists = models.List.objects.filter(user=user).all()
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lists = privacy_filter(request.user, lists)
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paginated = Paginator(lists, 12)
data = {
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"user": user,
"is_self": request.user.id == user.id,
"lists": paginated.page(page),
"list_form": forms.ListForm(),
"path": user.local_path + "/lists",
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}
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return TemplateResponse(request, "user/lists.html", data)
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class List(View):
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""" book list page """
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def get(self, request, list_id):
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""" display a book list """
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book_list = get_object_or_404(models.List, id=list_id)
if not object_visible_to_user(request.user, book_list):
return HttpResponseNotFound()
if is_api_request(request):
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return ActivitypubResponse(book_list.to_activity(**request.GET))
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query = request.GET.get("q")
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suggestions = None
if query and request.user.is_authenticated:
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# search for books
suggestions = connector_manager.local_search(query, raw=True)
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elif request.user.is_authenticated:
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# just suggest whatever books are nearby
suggestions = request.user.shelfbook_set.filter(
~Q(book__in=book_list.books.all())
)
suggestions = [s.book for s in suggestions[:5]]
if len(suggestions) < 5:
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suggestions += [
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s.default_edition
for s in models.Work.objects.filter(
~Q(editions__in=book_list.books.all()),
).order_by("-updated_date")
][: 5 - len(suggestions)]
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data = {
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"list": book_list,
"items": book_list.listitem_set.filter(approved=True),
"pending_count": book_list.listitem_set.filter(approved=False).count(),
"suggested_books": suggestions,
"list_form": forms.ListForm(instance=book_list),
"query": query or "",
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}
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return TemplateResponse(request, "lists/list.html", data)
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@method_decorator(login_required, name="dispatch")
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# pylint: disable=unused-argument
def post(self, request, list_id):
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""" edit a list """
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book_list = get_object_or_404(models.List, id=list_id)
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form = forms.ListForm(request.POST, instance=book_list)
if not form.is_valid():
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return redirect("list", book_list.id)
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book_list = form.save()
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return redirect(book_list.local_path)
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class Curate(View):
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""" approve or discard list suggestsions """
@method_decorator(login_required, name="dispatch")
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def get(self, request, list_id):
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""" display a pending list """
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book_list = get_object_or_404(models.List, id=list_id)
if not book_list.user == request.user:
# only the creater can curate the list
return HttpResponseNotFound()
data = {
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"list": book_list,
"pending": book_list.listitem_set.filter(approved=False),
"list_form": forms.ListForm(instance=book_list),
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}
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return TemplateResponse(request, "lists/curate.html", data)
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@method_decorator(login_required, name="dispatch")
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# pylint: disable=unused-argument
def post(self, request, list_id):
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""" edit a book_list """
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book_list = get_object_or_404(models.List, id=list_id)
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suggestion = get_object_or_404(models.ListItem, id=request.POST.get("item"))
approved = request.POST.get("approved") == "true"
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if approved:
suggestion.approved = True
suggestion.save()
else:
suggestion.delete()
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return redirect("list-curate", book_list.id)
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@require_POST
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def add_book(request):
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""" put a book on a list """
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book_list = get_object_or_404(models.List, id=request.POST.get("list"))
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if not object_visible_to_user(request.user, book_list):
return HttpResponseNotFound()
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book = get_object_or_404(models.Edition, id=request.POST.get("book"))
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# do you have permission to add to the list?
try:
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if request.user == book_list.user or book_list.curation == "open":
# go ahead and add it
models.ListItem.objects.create(
book=book,
book_list=book_list,
user=request.user,
)
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elif book_list.curation == "curated":
# make a pending entry
models.ListItem.objects.create(
approved=False,
book=book,
book_list=book_list,
user=request.user,
)
else:
# you can't add to this list, what were you THINKING
return HttpResponseBadRequest()
except IntegrityError:
# if the book is already on the list, don't flip out
pass
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return redirect("list", book_list.id)
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@require_POST
def remove_book(request, list_id):
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""" put a book on a list """
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book_list = get_object_or_404(models.List, id=list_id)
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item = get_object_or_404(models.ListItem, id=request.POST.get("item"))
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if not book_list.user == request.user and not item.user == request.user:
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return HttpResponseNotFound()
item.delete()
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return redirect("list", list_id)