bookwyrm/bookwyrm/status.py
2020-10-08 12:32:45 -07:00

181 lines
4.7 KiB
Python

''' Handle user activity '''
from django.db import IntegrityError
from bookwyrm import 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.save()
def create_rating(user, book, rating):
''' a review that's just a rating '''
if not rating or rating < 1 or rating > 5:
raise ValueError('Invalid rating')
return models.Review.objects.create(
user=user,
book=book,
rating=rating,
)
def create_review(user, book, name, content, rating):
''' a book review has been added '''
name = sanitize(name)
content = sanitize(content)
# no ratings outside of 0-5
if rating:
rating = rating if 1 <= rating <= 5 else None
else:
rating = None
return models.Review.objects.create(
user=user,
book=book,
name=name,
rating=rating,
content=content,
)
def create_quotation_from_activity(author, activity):
''' parse an activity json blob into a status '''
book_id = activity['inReplyToBook']
book = get_or_create_book(book_id)
quote = activity.get('quote')
content = activity.get('content')
published = activity.get('published')
remote_id = activity['id']
quotation = create_quotation(author, book, content, quote)
quotation.published_date = published
quotation.remote_id = remote_id
quotation.save()
return quotation
def create_quotation(user, book, content, quote):
''' a quotation has been added '''
# throws a value error if the book is not found
content = sanitize(content)
quote = sanitize(quote)
return models.Quotation.objects.create(
user=user,
book=book,
content=content,
quote=quote,
)
def create_comment_from_activity(author, activity):
''' parse an activity json blob into a status '''
book_id = activity['inReplyToBook']
book = get_or_create_book(book_id)
content = activity.get('content')
published = activity.get('published')
remote_id = activity['id']
comment = create_comment(author, book, content)
comment.published_date = published
comment.remote_id = remote_id
comment.save()
return comment
def create_comment(user, book, content):
''' a book comment has been added '''
# throws a value error if the book is not found
content = sanitize(content)
return models.Comment.objects.create(
user=user,
book=book,
content=content,
)
def get_status(remote_id):
''' find a status in the database '''
return models.Status.objects.select_subclasses().filter(
remote_id=remote_id
).first()
def create_generated_note(user, content, mention_books=None):
''' a note created by the app about user activity '''
# sanitize input html
parser = InputHtmlParser()
parser.feed(content)
content = parser.get_output()
status = models.GeneratedStatus.objects.create(
user=user,
content=content,
)
if mention_books:
for book in mention_books:
status.mention_books.add(book)
return status
def create_status(user, content, reply_parent=None, mention_books=None):
''' a status update '''
# TODO: handle @'ing users
# sanitize input html
parser = InputHtmlParser()
parser.feed(content)
content = parser.get_output()
status = models.Status.objects.create(
user=user,
content=content,
reply_parent=reply_parent,
)
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,
)
def sanitize(content):
''' remove invalid html from free text '''
parser = InputHtmlParser()
parser.feed(content)
return parser.get_output()