bookwyrm/bookwyrm/status.py
2020-11-06 14:56:05 -08:00

93 lines
2.8 KiB
Python

''' Handle user activity '''
from datetime import datetime
from django.db import IntegrityError
from bookwyrm import activitypub, books_manager, models
from bookwyrm.books_manager import get_or_create_book
from bookwyrm.sanitize_html import InputHtmlParser
def delete_status(status):
''' replace the status with a tombstone '''
status.deleted = True
status.deleted_date = datetime.now()
status.save()
def create_status(activity):
''' unfortunately, it's not QUITE as simple as deserialiing it '''
# render the json into an activity object
serializer = activitypub.activity_objects[activity['type']]
activity = serializer(**activity)
try:
model = models.activity_models[activity.type]
except KeyError:
# not a type of status we are prepared to deserialize
return None
# ignore notes that aren't replies to known statuses
if activity.type == 'Note':
reply = models.Status.objects.filter(
remote_id=activity.inReplyTo
).first()
if not reply:
return None
# look up books
book_urls = []
if hasattr(activity, 'inReplyToBook'):
book_urls.append(activity.inReplyToBook)
if hasattr(activity, 'tag'):
book_urls += [t['href'] for t in activity.tag if t['type'] == 'Book']
for remote_id in book_urls:
books_manager.get_or_create_book(remote_id)
return activity.to_model(model)
def create_generated_note(user, content, mention_books=None, privacy='public'):
''' a note created by the app about user activity '''
# sanitize input html
parser = InputHtmlParser()
parser.feed(content)
content = parser.get_output()
status = models.GeneratedNote.objects.create(
user=user,
content=content,
privacy=privacy
)
if mention_books:
for book in mention_books:
status.mention_books.add(book)
return status
def create_tag(user, possible_book, name):
''' add a tag to a book '''
book = get_or_create_book(possible_book)
try:
tag = models.Tag.objects.create(name=name, book=book, user=user)
except IntegrityError:
return models.Tag.objects.get(name=name, book=book, user=user)
return tag
def create_notification(user, notification_type, related_user=None, \
related_book=None, related_status=None, related_import=None):
''' let a user know when someone interacts with their content '''
if user == related_user:
# don't create notification when you interact with your own stuff
return
models.Notification.objects.create(
user=user,
related_book=related_book,
related_user=related_user,
related_status=related_status,
related_import=related_import,
notification_type=notification_type,
)