forked from mirrors/bookwyrm
340 lines
12 KiB
Python
340 lines
12 KiB
Python
""" the good stuff! the books! """
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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, Http404
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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, user_statuses=False):
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"""info about a book"""
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if is_api_request(request):
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book = get_object_or_404(
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models.Book.objects.select_subclasses(), id=book_id
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)
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return ActivitypubResponse(book.to_activity())
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user_statuses = user_statuses if request.user.is_authenticated else False
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# it's safe to use this OR because edition and work and subclasses of the same
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# table, so they never have clashing IDs
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book = (
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models.Edition.viewer_aware_objects(request.user)
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.filter(Q(id=book_id) | Q(parent_work__id=book_id))
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.order_by("-edition_rank")
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.select_related("parent_work")
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.prefetch_related("authors")
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.first()
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)
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if not book or not book.parent_work:
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raise Http404()
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# all reviews for all editions of the book
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reviews = privacy_filter(
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request.user, models.Review.objects.filter(book__parent_work__editions=book)
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)
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# the reviews to show
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if user_statuses:
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if user_statuses == "review":
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queryset = book.review_set.select_subclasses()
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elif user_statuses == "comment":
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queryset = book.comment_set
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else:
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queryset = book.quotation_set
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queryset = queryset.filter(user=request.user, deleted=False)
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else:
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queryset = reviews.exclude(Q(content__isnull=True) | Q(content=""))
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queryset = queryset.select_related("user").order_by("-published_date")
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paginated = Paginator(queryset, PAGE_LENGTH)
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lists = privacy_filter(
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request.user,
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models.List.objects.filter(
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listitem__approved=True,
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listitem__book__in=book.parent_work.editions.all(),
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),
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)
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data = {
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"book": book,
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"statuses": paginated.get_page(request.GET.get("page")),
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"review_count": reviews.count(),
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"ratings": reviews.filter(
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Q(content__isnull=True) | Q(content="")
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).select_related("user")
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if not user_statuses
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else None,
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"rating": reviews.aggregate(Avg("rating"))["rating__avg"],
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"lists": lists,
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}
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if request.user.is_authenticated:
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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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data["readthroughs"] = readthroughs
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data["user_shelfbooks"] = models.ShelfBook.objects.filter(
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user=request.user, book=book
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).select_related("shelf")
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data["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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).select_related("shelf", "book")
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filters = {"user": request.user, "deleted": False}
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data["user_statuses"] = {
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"review_count": book.review_set.filter(**filters).count(),
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"comment_count": book.comment_set.filter(**filters).count(),
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"quotation_count": book.quotation_set.filter(**filters).count(),
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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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# 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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f'{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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# 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, ValueError):
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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, ValueError):
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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(f"/book/{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(f"author_match-{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[f"author_match-{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(f"/book/{book.id}")
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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(f"{book.local_path}?cover_error=True")
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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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try:
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image_file = get_image(url)
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except: # pylint: disable=bare-except
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return None
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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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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(update_fields=["description", "last_edited_by"])
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return redirect("book", 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", book.id)
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