circular import issues and added_by migration

This commit is contained in:
Mouse Reeve 2021-02-04 14:27:26 -08:00
parent 5a3a6151a6
commit 7381536ad6
19 changed files with 273 additions and 265 deletions

View file

@ -81,7 +81,7 @@ def handle_imported_book(user, item, include_reviews, privacy):
return
existing_shelf = models.ShelfBook.objects.filter(
book=item.book, added_by=user).exists()
book=item.book, user=user).exists()
# shelve the book if it hasn't been shelved already
if item.shelf and not existing_shelf:
@ -90,7 +90,7 @@ def handle_imported_book(user, item, include_reviews, privacy):
user=user
)
models.ShelfBook.objects.create(
book=item.book, shelf=desired_shelf, added_by=user)
book=item.book, shelf=desired_shelf, user=user)
for read in item.reads:
# check for an existing readthrough with the same dates

View file

@ -0,0 +1,23 @@
# Generated by Django 3.0.7 on 2021-02-04 22:23
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [
('bookwyrm', '0042_auto_20210201_2108'),
]
operations = [
migrations.RenameField(
model_name='listitem',
old_name='added_by',
new_name='user',
),
migrations.RenameField(
model_name='shelfbook',
old_name='added_by',
new_name='user',
),
]

View file

@ -2,20 +2,25 @@
from functools import reduce
import json
import operator
from base64 import b64encode
from uuid import uuid4
import requests
from Crypto.PublicKey import RSA
from Crypto.Signature import pkcs1_15
from Crypto.Hash import SHA256
from django.apps import apps
from django.core.paginator import Paginator
from django.db import models
from django.db.models import Q
from django.dispatch import receiver
from django.utils.http import http_date
from bookwyrm import activitypub
from bookwyrm.settings import USER_AGENT
from bookwyrm.settings import USER_AGENT, PAGE_LENGTH
from bookwyrm.signatures import make_signature, make_digest
from bookwyrm.tasks import app
from .fields import ImageField, ManyToManyField
from bookwyrm.models.fields import ImageField, ManyToManyField
class ActivitypubMixin:
@ -247,3 +252,218 @@ def execute_after_save(sender, instance, created, *args, **kwargs):
if activity and user and user.local:
instance.broadcast(activity, user)
class ObjectMixin(ActivitypubMixin):
''' add this mixin for object models that are AP serializable '''
def save(self, *args, **kwargs):
''' broadcast updated '''
# first off, we want to save normally no matter what
super().save(*args, **kwargs)
# we only want to handle updates, not newly created objects
if not self.id:
return
# this will work for lists, shelves
user = self.user if hasattr(self, 'user') else None
if not user:
# users don't have associated users, they ARE users
user_model = apps.get_model('bookwyrm.User', require_ready=True)
if isinstance(self, user_model):
user = self
# book data tracks last editor
elif hasattr(self, 'last_edited_by'):
user = self.last_edited_by
# again, if we don't know the user or they're remote, don't bother
if not user or not user.local:
return
# is this a deletion?
if self.deleted:
activity = self.to_delete_activity(user)
else:
activity = self.to_update_activity(user)
self.broadcast(activity, user)
def to_create_activity(self, user, **kwargs):
''' returns the object wrapped in a Create activity '''
activity_object = self.to_activity(**kwargs)
signature = None
create_id = self.remote_id + '/activity'
if 'content' in activity_object:
signer = pkcs1_15.new(RSA.import_key(user.key_pair.private_key))
content = activity_object['content']
signed_message = signer.sign(SHA256.new(content.encode('utf8')))
signature = activitypub.Signature(
creator='%s#main-key' % user.remote_id,
created=activity_object['published'],
signatureValue=b64encode(signed_message).decode('utf8')
)
return activitypub.Create(
id=create_id,
actor=user.remote_id,
to=activity_object['to'],
cc=activity_object['cc'],
object=activity_object,
signature=signature,
).serialize()
def to_delete_activity(self, user):
''' notice of deletion '''
return activitypub.Delete(
id=self.remote_id + '/activity',
actor=user.remote_id,
to=['%s/followers' % user.remote_id],
cc=['https://www.w3.org/ns/activitystreams#Public'],
object=self.to_activity(),
).serialize()
def to_update_activity(self, user):
''' wrapper for Updates to an activity '''
activity_id = '%s#update/%s' % (self.remote_id, uuid4())
return activitypub.Update(
id=activity_id,
actor=user.remote_id,
to=['https://www.w3.org/ns/activitystreams#Public'],
object=self.to_activity()
).serialize()
class OrderedCollectionPageMixin(ObjectMixin):
''' just the paginator utilities, so you don't HAVE to
override ActivitypubMixin's to_activity (ie, for outbox) '''
@property
def collection_remote_id(self):
''' this can be overriden if there's a special remote id, ie outbox '''
return self.remote_id
def to_ordered_collection(self, queryset, \
remote_id=None, page=False, collection_only=False, **kwargs):
''' an ordered collection of whatevers '''
if not queryset.ordered:
raise RuntimeError('queryset must be ordered')
remote_id = remote_id or self.remote_id
if page:
return to_ordered_collection_page(
queryset, remote_id, **kwargs)
if collection_only or not hasattr(self, 'activity_serializer'):
serializer = activitypub.OrderedCollection
activity = {}
else:
serializer = self.activity_serializer
# a dict from the model fields
activity = generate_activity(self)
if remote_id:
activity['id'] = remote_id
paginated = Paginator(queryset, PAGE_LENGTH)
# add computed fields specific to orderd collections
activity['totalItems'] = paginated.count
activity['first'] = '%s?page=1' % remote_id
activity['last'] = '%s?page=%d' % (remote_id, paginated.num_pages)
return serializer(**activity).serialize()
# pylint: disable=unused-argument
def to_ordered_collection_page(
queryset, remote_id, id_only=False, page=1, **kwargs):
''' serialize and pagiante a queryset '''
paginated = Paginator(queryset, PAGE_LENGTH)
activity_page = paginated.page(page)
if id_only:
items = [s.remote_id for s in activity_page.object_list]
else:
items = [s.to_activity() for s in activity_page.object_list]
prev_page = next_page = None
if activity_page.has_next():
next_page = '%s?page=%d' % (remote_id, activity_page.next_page_number())
if activity_page.has_previous():
prev_page = '%s?page=%d' % \
(remote_id, activity_page.previous_page_number())
return activitypub.OrderedCollectionPage(
id='%s?page=%s' % (remote_id, page),
partOf=remote_id,
orderedItems=items,
next=next_page,
prev=prev_page
).serialize()
class OrderedCollectionMixin(OrderedCollectionPageMixin):
''' extends activitypub models to work as ordered collections '''
@property
def collection_queryset(self):
''' usually an ordered collection model aggregates a different model '''
raise NotImplementedError('Model must define collection_queryset')
activity_serializer = activitypub.OrderedCollection
def to_activity(self, **kwargs):
''' an ordered collection of the specified model queryset '''
return self.to_ordered_collection(self.collection_queryset, **kwargs)
class CollectionItemMixin(ActivitypubMixin):
''' for items that are part of an (Ordered)Collection '''
activity_serializer = activitypub.Add
object_field = collection_field = None
def to_add_activity(self):
''' AP for shelving a book'''
object_field = getattr(self, self.object_field)
collection_field = getattr(self, self.collection_field)
return activitypub.Add(
id='%s#add' % self.remote_id,
actor=self.user.remote_id,
object=object_field.to_activity(),
target=collection_field.remote_id
).serialize()
def to_remove_activity(self):
''' AP for un-shelving a book'''
object_field = getattr(self, self.object_field)
collection_field = getattr(self, self.collection_field)
return activitypub.Remove(
id='%s#remove' % self.remote_id,
actor=self.user.remote_id,
object=object_field.to_activity(),
target=collection_field.remote_id
).serialize()
class ActivitybMixin(ActivitypubMixin):
''' add this mixin for models that are AP serializable '''
def save(self, *args, **kwargs):
''' broadcast activity '''
super().save(*args, **kwargs)
self.broadcast(self.to_activity(), self.user)
def delete(self, *args, **kwargs):
''' nevermind, undo that activity '''
self.broadcast(self.to_undo_activity(), self.user)
super().delete(*args, **kwargs)
def to_undo_activity(self):
''' undo an action '''
return activitypub.Undo(
id='%s#undo' % self.remote_id,
actor=self.user.remote_id,
object=self.to_activity()
).serialize()

View file

@ -1 +0,0 @@
from . import *

View file

@ -1,25 +0,0 @@
''' activitypub model functionality '''
from bookwyrm import activitypub
from . import ActivitypubMixin
class ActivitybMixin(ActivitypubMixin):
''' add this mixin for models that are AP serializable '''
def save(self, *args, **kwargs):
''' broadcast activity '''
super().save(*args, **kwargs)
self.broadcast(self.to_activity(), self.user)
def delete(self, *args, **kwargs):
''' nevermind, undo that activity '''
self.broadcast(self.to_undo_activity(), self.user)
super().delete(*args, **kwargs)
def to_undo_activity(self):
''' undo an action '''
return activitypub.Undo(
id='%s#undo' % self.remote_id,
actor=self.user.remote_id,
object=self.to_activity()
).serialize()

View file

@ -1,94 +0,0 @@
''' activitypub objects like Person and Book'''
from base64 import b64encode
from uuid import uuid4
from Crypto.PublicKey import RSA
from Crypto.Signature import pkcs1_15
from Crypto.Hash import SHA256
from django.apps import apps
from bookwyrm import activitypub
from . import ActivitypubMixin
class ObjectMixin(ActivitypubMixin):
''' add this mixin for object models that are AP serializable '''
def save(self, *args, **kwargs):
''' broadcast updated '''
# first off, we want to save normally no matter what
super().save(*args, **kwargs)
# we only want to handle updates, not newly created objects
if not self.id:
return
# this will work for lists, shelves
user = self.user if hasattr(self, 'user') else None
if not user:
# users don't have associated users, they ARE users
user_model = apps.get_model('bookwyrm.User', require_ready=True)
if isinstance(self, user_model):
user = self
# book data tracks last editor
elif hasattr(self, 'last_edited_by'):
user = self.last_edited_by
# again, if we don't know the user or they're remote, don't bother
if not user or not user.local:
return
# is this a deletion?
if self.deleted:
activity = self.to_delete_activity(user)
else:
activity = self.to_update_activity(user)
self.broadcast(activity, user)
def to_create_activity(self, user, **kwargs):
''' returns the object wrapped in a Create activity '''
activity_object = self.to_activity(**kwargs)
signature = None
create_id = self.remote_id + '/activity'
if 'content' in activity_object:
signer = pkcs1_15.new(RSA.import_key(user.key_pair.private_key))
content = activity_object['content']
signed_message = signer.sign(SHA256.new(content.encode('utf8')))
signature = activitypub.Signature(
creator='%s#main-key' % user.remote_id,
created=activity_object['published'],
signatureValue=b64encode(signed_message).decode('utf8')
)
return activitypub.Create(
id=create_id,
actor=user.remote_id,
to=activity_object['to'],
cc=activity_object['cc'],
object=activity_object,
signature=signature,
).serialize()
def to_delete_activity(self, user):
''' notice of deletion '''
return activitypub.Delete(
id=self.remote_id + '/activity',
actor=user.remote_id,
to=['%s/followers' % user.remote_id],
cc=['https://www.w3.org/ns/activitystreams#Public'],
object=self.to_activity(),
).serialize()
def to_update_activity(self, user):
''' wrapper for Updates to an activity '''
activity_id = '%s#update/%s' % (self.remote_id, uuid4())
return activitypub.Update(
id=activity_id,
actor=user.remote_id,
to=['https://www.w3.org/ns/activitystreams#Public'],
object=self.to_activity()
).serialize()

View file

@ -1,115 +0,0 @@
''' lists of objects '''
from django.core.paginator import Paginator
from bookwyrm import activitypub
from bookwyrm.settings import PAGE_LENGTH
from . import ActivitypubMixin, ObjectMixin, generate_activity
class OrderedCollectionPageMixin(ObjectMixin):
''' just the paginator utilities, so you don't HAVE to
override ActivitypubMixin's to_activity (ie, for outbox) '''
@property
def collection_remote_id(self):
''' this can be overriden if there's a special remote id, ie outbox '''
return self.remote_id
def to_ordered_collection(self, queryset, \
remote_id=None, page=False, collection_only=False, **kwargs):
''' an ordered collection of whatevers '''
if not queryset.ordered:
raise RuntimeError('queryset must be ordered')
remote_id = remote_id or self.remote_id
if page:
return to_ordered_collection_page(
queryset, remote_id, **kwargs)
if collection_only or not hasattr(self, 'activity_serializer'):
serializer = activitypub.OrderedCollection
activity = {}
else:
serializer = self.activity_serializer
# a dict from the model fields
activity = generate_activity(self)
if remote_id:
activity['id'] = remote_id
paginated = Paginator(queryset, PAGE_LENGTH)
# add computed fields specific to orderd collections
activity['totalItems'] = paginated.count
activity['first'] = '%s?page=1' % remote_id
activity['last'] = '%s?page=%d' % (remote_id, paginated.num_pages)
return serializer(**activity).serialize()
# pylint: disable=unused-argument
def to_ordered_collection_page(
queryset, remote_id, id_only=False, page=1, **kwargs):
''' serialize and pagiante a queryset '''
paginated = Paginator(queryset, PAGE_LENGTH)
activity_page = paginated.page(page)
if id_only:
items = [s.remote_id for s in activity_page.object_list]
else:
items = [s.to_activity() for s in activity_page.object_list]
prev_page = next_page = None
if activity_page.has_next():
next_page = '%s?page=%d' % (remote_id, activity_page.next_page_number())
if activity_page.has_previous():
prev_page = '%s?page=%d' % \
(remote_id, activity_page.previous_page_number())
return activitypub.OrderedCollectionPage(
id='%s?page=%s' % (remote_id, page),
partOf=remote_id,
orderedItems=items,
next=next_page,
prev=prev_page
).serialize()
class OrderedCollectionMixin(OrderedCollectionPageMixin):
''' extends activitypub models to work as ordered collections '''
@property
def collection_queryset(self):
''' usually an ordered collection model aggregates a different model '''
raise NotImplementedError('Model must define collection_queryset')
activity_serializer = activitypub.OrderedCollection
def to_activity(self, **kwargs):
''' an ordered collection of the specified model queryset '''
return self.to_ordered_collection(self.collection_queryset, **kwargs)
class CollectionItemMixin(ActivitypubMixin):
''' for items that are part of an (Ordered)Collection '''
activity_serializer = activitypub.Add
object_field = collection_field = None
def to_add_activity(self):
''' AP for shelving a book'''
object_field = getattr(self, self.object_field)
collection_field = getattr(self, self.collection_field)
return activitypub.Add(
id='%s#add' % self.remote_id,
actor=self.user.remote_id,
object=object_field.to_activity(),
target=collection_field.remote_id
).serialize()
def to_remove_activity(self):
''' AP for un-shelving a book'''
object_field = getattr(self, self.object_field)
collection_field = getattr(self, self.collection_field)
return activitypub.Remove(
id='%s#remove' % self.remote_id,
actor=self.user.remote_id,
object=object_field.to_activity(),
target=collection_field.remote_id
).serialize()

View file

@ -7,7 +7,7 @@ from model_utils.managers import InheritanceManager
from bookwyrm import activitypub
from bookwyrm.settings import DOMAIN
from .activitypub_mixin import ObjectMixin, OrderedCollectionPageMixin
from .activitypub_mixin import OrderedCollectionPageMixin, ObjectMixin
from .base_model import BookWyrmModel
from . import fields

View file

@ -23,7 +23,7 @@
{% include 'snippets/book_titleby.html' with book=item.book %}
</td>
<td>
{% include 'snippets/username.html' with user=item.added_by %}
{% include 'snippets/username.html' with user=item.user %}
</td>
<td>
<div class="field has-addons">

View file

@ -31,9 +31,9 @@
</div>
<div class="card-footer has-background-white-bis">
<div class="card-footer-item">
<p>Added by {% include 'snippets/username.html' with user=item.added_by %}</p>
<p>Added by {% include 'snippets/username.html' with user=item.user %}</p>
</div>
{% if list.user == request.user or list.curation == 'open' and item.added_by == request.user %}
{% if list.user == request.user or list.curation == 'open' and item.user == request.user %}
<form name="add-book" method="post" action="{% url 'list-remove-book' list.id %}" class="card-footer-item">
{% csrf_token %}
<input type="hidden" name="item" value="{{ item.id }}">

View file

@ -38,7 +38,7 @@ class List(TestCase):
item = models.ListItem.objects.create(
book_list=self.list,
book=book,
added_by=self.user,
user=self.user,
)
self.assertTrue(item.approved)

View file

@ -146,7 +146,7 @@ class GoodreadsImport(TestCase):
''' goodreads import added a book, this adds related connections '''
shelf = self.user.shelf_set.filter(identifier='to-read').first()
models.ShelfBook.objects.create(
shelf=shelf, added_by=self.user, book=self.book)
shelf=shelf, user=self.user, book=self.book)
import_job = models.ImportJob.objects.create(user=self.user)
datafile = pathlib.Path(__file__).parent.joinpath('data/goodreads.csv')

View file

@ -92,7 +92,7 @@ class FeedMessageViews(TestCase):
''' gets books the ~*~ algorithm ~*~ thinks you want to post about '''
models.ShelfBook.objects.create(
book=self.book,
added_by=self.local_user,
user=self.local_user,
shelf=self.local_user.shelf_set.get(identifier='reading')
)
suggestions = views.feed.get_suggested_books(self.local_user)

View file

@ -162,7 +162,7 @@ class ListViews(TestCase):
view = views.Curate.as_view()
pending = models.ListItem.objects.create(
book_list=self.list,
added_by=self.local_user,
user=self.local_user,
book=self.book,
approved=False
)
@ -185,7 +185,7 @@ class ListViews(TestCase):
view = views.Curate.as_view()
pending = models.ListItem.objects.create(
book_list=self.list,
added_by=self.local_user,
user=self.local_user,
book=self.book,
approved=False
)
@ -211,7 +211,7 @@ class ListViews(TestCase):
views.list.add_book(request, self.list.id)
item = self.list.listitem_set.get()
self.assertEqual(item.book, self.book)
self.assertEqual(item.added_by, self.local_user)
self.assertEqual(item.user, self.local_user)
self.assertTrue(item.approved)
@ -227,7 +227,7 @@ class ListViews(TestCase):
views.list.add_book(request, self.list.id)
item = self.list.listitem_set.get()
self.assertEqual(item.book, self.book)
self.assertEqual(item.added_by, self.rat)
self.assertEqual(item.user, self.rat)
self.assertTrue(item.approved)
@ -243,7 +243,7 @@ class ListViews(TestCase):
views.list.add_book(request, self.list.id)
item = self.list.listitem_set.get()
self.assertEqual(item.book, self.book)
self.assertEqual(item.added_by, self.rat)
self.assertEqual(item.user, self.rat)
self.assertFalse(item.approved)
@ -259,7 +259,7 @@ class ListViews(TestCase):
views.list.add_book(request, self.list.id)
item = self.list.listitem_set.get()
self.assertEqual(item.book, self.book)
self.assertEqual(item.added_by, self.local_user)
self.assertEqual(item.user, self.local_user)
self.assertTrue(item.approved)
@ -267,7 +267,7 @@ class ListViews(TestCase):
''' take an item off a list '''
item = models.ListItem.objects.create(
book_list=self.list,
added_by=self.local_user,
user=self.local_user,
book=self.book,
)
self.assertTrue(self.list.listitem_set.exists())
@ -285,7 +285,7 @@ class ListViews(TestCase):
''' take an item off a list '''
item = models.ListItem.objects.create(
book_list=self.list,
added_by=self.local_user,
user=self.local_user,
book=self.book,
)
self.assertTrue(self.list.listitem_set.exists())

View file

@ -66,7 +66,7 @@ class ReadingViews(TestCase):
''' begin a book '''
to_read_shelf = self.local_user.shelf_set.get(identifier='to-read')
models.ShelfBook.objects.create(
shelf=to_read_shelf, book=self.book, added_by=self.local_user)
shelf=to_read_shelf, book=self.book, user=self.local_user)
shelf = self.local_user.shelf_set.get(identifier='reading')
self.assertEqual(to_read_shelf.books.get(), self.book)
self.assertFalse(shelf.books.exists())

View file

@ -77,12 +77,12 @@ class Book(View):
.order_by('-updated_date')
user_shelves = models.ShelfBook.objects.filter(
added_by=request.user, book=book
user=request.user, book=book
)
other_edition_shelves = models.ShelfBook.objects.filter(
~Q(book=book),
added_by=request.user,
user=request.user,
book__parent_work=book.parent_work,
)

View file

@ -182,7 +182,7 @@ def add_book(request, list_id):
models.ListItem.objects.create(
book=book,
book_list=book_list,
added_by=request.user,
user=request.user,
)
elif book_list.curation == 'curated':
# make a pending entry
@ -190,7 +190,7 @@ def add_book(request, list_id):
approved=False,
book=book,
book_list=book_list,
added_by=request.user,
user=request.user,
)
else:
# you can't add to this list, what were you THINKING
@ -205,7 +205,7 @@ def remove_book(request, list_id):
book_list = get_object_or_404(models.List, id=list_id)
item = get_object_or_404(models.ListItem, id=request.POST.get('item'))
if not book_list.user == request.user and not item.added_by == request.user:
if not book_list.user == request.user and not item.user == request.user:
return HttpResponseNotFound()
item.delete()

View file

@ -44,7 +44,7 @@ def start_reading(request, book_id):
# this just means it isn't currently on the user's shelves
pass
models.ShelfBook.objects.create(
book=book, shelf=shelf, added_by=request.user)
book=book, shelf=shelf, user=request.user)
# post about it (if you want)
if request.POST.get('post-status'):
@ -81,7 +81,7 @@ def finish_reading(request, book_id):
# this just means it isn't currently on the user's shelves
pass
models.ShelfBook.objects.create(
book=book, shelf=shelf, added_by=request.user)
book=book, shelf=shelf, user=request.user)
# post about it (if you want)
if request.POST.get('post-status'):

View file

@ -49,7 +49,7 @@ class Shelf(View):
return ActivitypubResponse(shelf.to_activity(**request.GET))
books = models.ShelfBook.objects.filter(
added_by=user, shelf=shelf
user=user, shelf=shelf
).order_by('-updated_date').all()
data = {
@ -136,7 +136,7 @@ def shelve(request):
# this just means it isn't currently on the user's shelves
pass
models.ShelfBook.objects.create(
book=book, shelf=desired_shelf, added_by=request.user)
book=book, shelf=desired_shelf, user=request.user)
# post about "want to read" shelves
if desired_shelf.identifier == 'to-read':