forked from mirrors/bookwyrm
129 lines
4.2 KiB
Python
129 lines
4.2 KiB
Python
""" make a list of books!! """
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from bookwyrm.models.group import GroupMember
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from dataclasses import field
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from django.apps import apps
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from django.db import models
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from django.utils import timezone
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from bookwyrm import activitypub
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from bookwyrm.settings import DOMAIN
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from .activitypub_mixin import CollectionItemMixin, OrderedCollectionMixin
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from .base_model import BookWyrmModel
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from . import fields
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from .group import GroupMember
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CurationType = models.TextChoices(
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"Curation",
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[
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"closed",
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"open",
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"curated",
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"group"
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],
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)
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class List(OrderedCollectionMixin, BookWyrmModel):
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"""a list of books"""
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name = fields.CharField(max_length=100)
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user = fields.ForeignKey(
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"User", on_delete=models.PROTECT, activitypub_field="owner"
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)
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description = fields.TextField(blank=True, null=True, activitypub_field="summary")
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privacy = fields.PrivacyField()
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curation = fields.CharField(
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max_length=255, default="closed", choices=CurationType.choices
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)
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group = models.ForeignKey(
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"Group",
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on_delete=models.PROTECT,
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default=None,
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blank=True,
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null=True,
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)
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books = models.ManyToManyField(
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"Edition",
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symmetrical=False,
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through="ListItem",
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through_fields=("book_list", "book"),
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)
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activity_serializer = activitypub.BookList
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def get_remote_id(self):
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"""don't want the user to be in there in this case"""
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return f"https://{DOMAIN}/list/{self.id}"
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@property
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def collection_queryset(self):
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"""list of books for this shelf, overrides OrderedCollectionMixin"""
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return self.books.filter(listitem__approved=True).order_by("listitem")
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class Meta:
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"""default sorting"""
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ordering = ("-updated_date",)
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class ListItem(CollectionItemMixin, BookWyrmModel):
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"""ok"""
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book = fields.ForeignKey(
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"Edition", on_delete=models.PROTECT, activitypub_field="book"
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)
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book_list = models.ForeignKey("List", on_delete=models.CASCADE)
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user = fields.ForeignKey(
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"User", on_delete=models.PROTECT, activitypub_field="actor"
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)
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notes = fields.TextField(blank=True, null=True)
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approved = models.BooleanField(default=True)
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order = fields.IntegerField()
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endorsement = models.ManyToManyField("User", related_name="endorsers")
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activity_serializer = activitypub.ListItem
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collection_field = "book_list"
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def save(self, *args, **kwargs):
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"""create a notification too"""
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created = not bool(self.id)
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super().save(*args, **kwargs)
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# tick the updated date on the parent list
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self.book_list.updated_date = timezone.now()
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self.book_list.save(broadcast=False)
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list_owner = self.book_list.user
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model = apps.get_model("bookwyrm.Notification", require_ready=True)
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# create a notification if somoene ELSE added to a local user's list
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if created and list_owner.local and list_owner != self.user:
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model.objects.create(
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user=list_owner,
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related_user=self.user,
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related_list_item=self,
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notification_type="ADD",
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)
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if self.book_list.group:
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for membership in self.book_list.group.memberships.all():
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if membership.user != self.user:
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model.objects.create(
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user=membership.user,
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related_user=self.user,
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related_list_item=self,
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notification_type="ADD"
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)
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def raise_not_deletable(self, viewer):
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"""the associated user OR the list owner can delete"""
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if self.book_list.user == viewer:
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return
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# group members can delete items in group lists
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is_group_member = GroupMember.objects.filter(group=self.book_list.group, user=viewer).exists()
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if is_group_member:
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return
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super().raise_not_deletable(viewer)
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class Meta:
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"""A book may only be placed into a list once,
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and each order in the list may be used only once"""
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unique_together = (("book", "book_list"), ("order", "book_list"))
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ordering = ("-created_date",)
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