forked from mirrors/bookwyrm
390 lines
14 KiB
Python
390 lines
14 KiB
Python
""" the good stuff! the books! """
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from datetime import datetime
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from uuid import uuid4
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from dateutil.parser import parse as dateparse
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from django.contrib.auth.decorators import login_required, permission_required
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from django.contrib.postgres.search import SearchRank, SearchVector
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from django.core.files.base import ContentFile
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from django.core.paginator import Paginator
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from django.db import transaction
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from django.db.models import Avg, Q
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from django.http import HttpResponseBadRequest, HttpResponseNotFound
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from django.shortcuts import get_object_or_404, redirect
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from django.template.response import TemplateResponse
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from django.utils.datastructures import MultiValueDictKeyError
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from django.utils.decorators import method_decorator
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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 bookwyrm.connectors.abstract_connector import get_image
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from bookwyrm.settings import PAGE_LENGTH
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from .helpers import is_api_request, get_edition, privacy_filter
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# pylint: disable= no-self-use
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class Book(View):
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""" a book! this is the stuff """
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def get(self, request, book_id):
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""" info about a book """
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try:
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page = int(request.GET.get("page", 1))
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except ValueError:
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page = 1
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try:
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book = models.Book.objects.select_subclasses().get(id=book_id)
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except models.Book.DoesNotExist:
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return HttpResponseNotFound()
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if is_api_request(request):
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return ActivitypubResponse(book.to_activity())
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if isinstance(book, models.Work):
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book = book.get_default_edition()
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if not book:
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return HttpResponseNotFound()
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work = book.parent_work
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if not work:
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return HttpResponseNotFound()
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# all reviews for the book
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reviews = models.Review.objects.filter(book__in=work.editions.all())
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reviews = privacy_filter(request.user, reviews)
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# the reviews to show
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paginated = Paginator(
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reviews.exclude(Q(content__isnull=True) | Q(content="")), PAGE_LENGTH
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)
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reviews_page = paginated.page(page)
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user_tags = readthroughs = user_shelves = other_edition_shelves = []
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if request.user.is_authenticated:
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user_tags = models.UserTag.objects.filter(
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book=book, user=request.user
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).values_list("tag__identifier", flat=True)
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readthroughs = models.ReadThrough.objects.filter(
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user=request.user,
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book=book,
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).order_by("start_date")
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for readthrough in readthroughs:
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readthrough.progress_updates = (
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readthrough.progressupdate_set.all().order_by("-updated_date")
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)
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user_shelves = models.ShelfBook.objects.filter(user=request.user, book=book)
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other_edition_shelves = models.ShelfBook.objects.filter(
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~Q(book=book),
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user=request.user,
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book__parent_work=book.parent_work,
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)
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data = {
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"book": book,
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"reviews": reviews_page,
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"review_count": reviews.count(),
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"ratings": reviews.filter(Q(content__isnull=True) | Q(content="")),
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"rating": reviews.aggregate(Avg("rating"))["rating__avg"],
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"tags": models.UserTag.objects.filter(book=book),
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"lists": privacy_filter(
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request.user, book.list_set.filter(listitem__approved=True)
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),
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"user_tags": user_tags,
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"user_shelves": user_shelves,
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"other_edition_shelves": other_edition_shelves,
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"readthroughs": readthroughs,
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"path": "/book/%s" % book_id,
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}
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return TemplateResponse(request, "book/book.html", data)
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@method_decorator(login_required, name="dispatch")
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@method_decorator(
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permission_required("bookwyrm.edit_book", raise_exception=True), name="dispatch"
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)
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class EditBook(View):
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""" edit a book """
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def get(self, request, book_id=None):
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""" info about a book """
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book = None
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if book_id:
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book = get_edition(book_id)
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if not book.description:
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book.description = book.parent_work.description
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data = {"book": book, "form": forms.EditionForm(instance=book)}
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return TemplateResponse(request, "book/edit_book.html", data)
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def post(self, request, book_id=None):
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""" edit a book cool """
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# returns None if no match is found
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book = models.Edition.objects.filter(id=book_id).first()
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form = forms.EditionForm(request.POST, request.FILES, instance=book)
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data = {"book": book, "form": form}
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if not form.is_valid():
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return TemplateResponse(request, "book/edit_book.html", data)
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add_author = request.POST.get("add_author")
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# we're adding an author through a free text field
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if add_author:
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data["add_author"] = add_author
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data["author_matches"] = []
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for author in add_author.split(","):
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if not author:
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continue
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# check for existing authors
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vector = SearchVector("name", weight="A") + SearchVector(
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"aliases", weight="B"
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)
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data["author_matches"].append(
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{
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"name": author.strip(),
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"matches": (
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models.Author.objects.annotate(search=vector)
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.annotate(rank=SearchRank(vector, author))
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.filter(rank__gt=0.4)
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.order_by("-rank")[:5]
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),
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}
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)
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print(data["author_matches"])
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# we're creating a new book
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if not book:
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# check if this is an edition of an existing work
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author_text = book.author_text if book else add_author
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data["book_matches"] = connector_manager.local_search(
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"%s %s" % (form.cleaned_data.get("title"), author_text),
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min_confidence=0.5,
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raw=True,
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)[:5]
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# either of the above cases requires additional confirmation
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if add_author or not book:
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# creting a book or adding an author to a book needs another step
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data["confirm_mode"] = True
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# this isn't preserved because it isn't part of the form obj
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data["remove_authors"] = request.POST.getlist("remove_authors")
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# we have to make sure the dates are passed in as datetime, they're currently a string
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# QueryDicts are immutable, we need to copy
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formcopy = data["form"].data.copy()
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try:
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formcopy["first_published_date"] = dateparse(
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formcopy["first_published_date"]
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)
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except MultiValueDictKeyError:
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pass
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try:
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formcopy["published_date"] = dateparse(formcopy["published_date"])
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except MultiValueDictKeyError:
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pass
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data["form"].data = formcopy
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return TemplateResponse(request, "book/edit_book.html", data)
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remove_authors = request.POST.getlist("remove_authors")
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for author_id in remove_authors:
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book.authors.remove(author_id)
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book = form.save(commit=False)
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url = request.POST.get("cover-url")
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if url:
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image = set_cover_from_url(url)
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if image:
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book.cover.save(*image, save=False)
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book.save()
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return redirect("/book/%s" % book.id)
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@method_decorator(login_required, name="dispatch")
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@method_decorator(
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permission_required("bookwyrm.edit_book", raise_exception=True), name="dispatch"
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)
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class ConfirmEditBook(View):
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""" confirm edits to a book """
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def post(self, request, book_id=None):
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""" edit a book cool """
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# returns None if no match is found
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book = models.Edition.objects.filter(id=book_id).first()
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form = forms.EditionForm(request.POST, request.FILES, instance=book)
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data = {"book": book, "form": form}
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if not form.is_valid():
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return TemplateResponse(request, "book/edit_book.html", data)
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with transaction.atomic():
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# save book
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book = form.save()
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# get or create author as needed
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for i in range(int(request.POST.get("author-match-count", 0))):
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match = request.POST.get("author_match-%d" % i)
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if not match:
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return HttpResponseBadRequest()
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try:
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# if it's an int, it's an ID
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match = int(match)
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author = get_object_or_404(
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models.Author, id=request.POST["author_match-%d" % i]
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)
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except ValueError:
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# otherwise it's a name
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author = models.Author.objects.create(name=match)
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book.authors.add(author)
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# create work, if needed
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if not book_id:
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work_match = request.POST.get("parent_work")
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if work_match and work_match != "0":
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work = get_object_or_404(models.Work, id=work_match)
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else:
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work = models.Work.objects.create(title=form.cleaned_data["title"])
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work.authors.set(book.authors.all())
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book.parent_work = work
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# we don't tell the world when creating a book
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book.save(broadcast=False)
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for author_id in request.POST.getlist("remove_authors"):
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book.authors.remove(author_id)
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return redirect("/book/%s" % book.id)
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class Editions(View):
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""" list of editions """
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def get(self, request, book_id):
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""" list of editions of a book """
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work = get_object_or_404(models.Work, id=book_id)
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try:
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page = int(request.GET.get("page", 1))
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except ValueError:
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page = 1
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if is_api_request(request):
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return ActivitypubResponse(work.to_edition_list(**request.GET))
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filters = {}
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if request.GET.get("language"):
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filters["languages__contains"] = [request.GET.get("language")]
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if request.GET.get("format"):
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filters["physical_format__iexact"] = request.GET.get("format")
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editions = work.editions.order_by("-edition_rank").all()
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languages = set(sum([e.languages for e in editions], []))
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paginated = Paginator(editions.filter(**filters).all(), PAGE_LENGTH)
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data = {
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"editions": paginated.page(page),
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"work": work,
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"languages": languages,
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"formats": set(
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e.physical_format.lower() for e in editions if e.physical_format
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),
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}
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return TemplateResponse(request, "book/editions.html", data)
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@login_required
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@require_POST
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def upload_cover(request, book_id):
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""" upload a new cover """
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book = get_object_or_404(models.Edition, id=book_id)
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book.last_edited_by = request.user
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url = request.POST.get("cover-url")
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if url:
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image = set_cover_from_url(url)
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if image:
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book.cover.save(*image)
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return redirect("{:s}?cover_error=True".format(book.local_path))
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form = forms.CoverForm(request.POST, request.FILES, instance=book)
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if not form.is_valid() or not form.files.get("cover"):
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return redirect(book.local_path)
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book.cover = form.files["cover"]
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book.save()
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return redirect(book.local_path)
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def set_cover_from_url(url):
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""" load it from a url """
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image_file = get_image(url)
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if not image_file:
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return None
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image_name = str(uuid4()) + "." + url.split(".")[-1]
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image_content = ContentFile(image_file.content)
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return [image_name, image_content]
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@login_required
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@require_POST
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@permission_required("bookwyrm.edit_book", raise_exception=True)
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def add_description(request, book_id):
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""" upload a new cover """
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if not request.method == "POST":
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return redirect("/")
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book = get_object_or_404(models.Edition, id=book_id)
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description = request.POST.get("description")
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book.description = description
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book.last_edited_by = request.user
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book.save()
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return redirect("/book/%s" % book.id)
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@require_POST
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def resolve_book(request):
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""" figure out the local path to a book from a remote_id """
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remote_id = request.POST.get("remote_id")
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connector = connector_manager.get_or_create_connector(remote_id)
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book = connector.get_or_create_book(remote_id)
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return redirect("/book/%d" % book.id)
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@login_required
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@require_POST
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@transaction.atomic
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def switch_edition(request):
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""" switch your copy of a book to a different edition """
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edition_id = request.POST.get("edition")
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new_edition = get_object_or_404(models.Edition, id=edition_id)
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shelfbooks = models.ShelfBook.objects.filter(
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book__parent_work=new_edition.parent_work, shelf__user=request.user
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)
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for shelfbook in shelfbooks.all():
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with transaction.atomic():
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models.ShelfBook.objects.create(
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created_date=shelfbook.created_date,
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user=shelfbook.user,
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shelf=shelfbook.shelf,
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book=new_edition,
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)
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shelfbook.delete()
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readthroughs = models.ReadThrough.objects.filter(
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book__parent_work=new_edition.parent_work, user=request.user
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)
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for readthrough in readthroughs.all():
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readthrough.book = new_edition
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readthrough.save()
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return redirect("/book/%d" % new_edition.id)
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