forked from mirrors/bookwyrm
103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
""" shelf views """
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from django.db import IntegrityError, transaction
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from django.contrib.auth.decorators import login_required
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from django.shortcuts import get_object_or_404, redirect
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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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@login_required
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@require_POST
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def create_shelf(request):
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"""user generated shelves"""
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form = forms.ShelfForm(request.POST)
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if not form.is_valid():
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return redirect(request.headers.get("Referer", "/"))
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shelf = form.save()
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return redirect(shelf.local_path)
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@login_required
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@require_POST
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def delete_shelf(request, shelf_id):
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"""user generated shelves"""
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shelf = get_object_or_404(models.Shelf, id=shelf_id)
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shelf.raise_not_deletable(request.user)
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shelf.delete()
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return redirect("user-shelves", request.user.localname)
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@login_required
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@require_POST
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@transaction.atomic
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def shelve(request):
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"""put a book on a user's shelf"""
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book = get_object_or_404(models.Edition, id=request.POST.get("book"))
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desired_shelf = get_object_or_404(
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request.user.shelf_set, identifier=request.POST.get("shelf")
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)
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# first we need to remove from the specified shelf
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change_from_current_identifier = request.POST.get("change-shelf-from")
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if change_from_current_identifier:
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# find the shelfbook obj and delete it
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get_object_or_404(
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models.ShelfBook,
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book=book,
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user=request.user,
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shelf__identifier=change_from_current_identifier,
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).delete()
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# A book can be on multiple shelves, but only on one read status shelf at a time
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if desired_shelf.identifier in models.Shelf.READ_STATUS_IDENTIFIERS:
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# figure out where state shelf it's currently on (if any)
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current_read_status_shelfbook = (
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models.ShelfBook.objects.select_related("shelf")
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.filter(
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shelf__identifier__in=models.Shelf.READ_STATUS_IDENTIFIERS,
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user=request.user,
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book=book,
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)
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.first()
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)
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if current_read_status_shelfbook is not None:
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if (
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current_read_status_shelfbook.shelf.identifier
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!= desired_shelf.identifier
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):
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current_read_status_shelfbook.delete()
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else: # It is already on the shelf
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return redirect(request.headers.get("Referer", "/"))
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# create the new shelf-book entry
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models.ShelfBook.objects.create(
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book=book, shelf=desired_shelf, user=request.user
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)
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else:
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# we're putting it on a custom shelf
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try:
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models.ShelfBook.objects.create(
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book=book, shelf=desired_shelf, user=request.user
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)
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# The book is already on this shelf.
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# Might be good to alert, or reject the action?
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except IntegrityError:
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pass
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return redirect(request.headers.get("Referer", "/"))
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@login_required
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@require_POST
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def unshelve(request, book_id=False):
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"""remove a book from a user's shelf"""
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identity = book_id if book_id else request.POST.get("book")
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book = get_object_or_404(models.Edition, id=identity)
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shelf_book = get_object_or_404(
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models.ShelfBook, book=book, shelf__id=request.POST["shelf"]
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)
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shelf_book.raise_not_deletable(request.user)
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shelf_book.delete()
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return redirect(request.headers.get("Referer", "/"))
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