mirror of
https://github.com/bookwyrm-social/bookwyrm.git
synced 2024-06-03 05:49:35 +00:00
94 lines
3 KiB
Python
94 lines
3 KiB
Python
""" base model with default fields """
|
|
import base64
|
|
from Crypto import Random
|
|
from django.db import models
|
|
from django.dispatch import receiver
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
from bookwyrm.settings import DOMAIN
|
|
from .fields import RemoteIdField
|
|
|
|
|
|
DeactivationReason = [
|
|
("pending", _("Pending")),
|
|
("self_deletion", _("Self deletion")),
|
|
("moderator_suspension", _("Moderator suspension")),
|
|
("moderator_deletion", _("Moderator deletion")),
|
|
("domain_block", _("Domain block")),
|
|
]
|
|
|
|
|
|
def new_access_code():
|
|
"""the identifier for a user invite"""
|
|
return base64.b32encode(Random.get_random_bytes(5)).decode("ascii")
|
|
|
|
|
|
class BookWyrmModel(models.Model):
|
|
"""shared fields"""
|
|
|
|
created_date = models.DateTimeField(auto_now_add=True)
|
|
updated_date = models.DateTimeField(auto_now=True)
|
|
remote_id = RemoteIdField(null=True, activitypub_field="id")
|
|
|
|
def get_remote_id(self):
|
|
"""generate a url that resolves to the local object"""
|
|
base_path = f"https://{DOMAIN}"
|
|
if hasattr(self, "user"):
|
|
base_path = f"{base_path}{self.user.local_path}"
|
|
model_name = type(self).__name__.lower()
|
|
return f"{base_path}/{model_name}/{self.id}"
|
|
|
|
class Meta:
|
|
"""this is just here to provide default fields for other models"""
|
|
|
|
abstract = True
|
|
|
|
@property
|
|
def local_path(self):
|
|
"""how to link to this object in the local app"""
|
|
return self.get_remote_id().replace(f"https://{DOMAIN}", "")
|
|
|
|
def visible_to_user(self, viewer):
|
|
"""is a user authorized to view an object?"""
|
|
# make sure this is an object with privacy owned by a user
|
|
if not hasattr(self, "user") or not hasattr(self, "privacy"):
|
|
return None
|
|
|
|
# viewer can't see it if the object's owner blocked them
|
|
if viewer in self.user.blocks.all():
|
|
return False
|
|
|
|
# you can see your own posts and any public or unlisted posts
|
|
if viewer == self.user or self.privacy in ["public", "unlisted"]:
|
|
return True
|
|
|
|
# you can see the followers only posts of people you follow
|
|
if (
|
|
self.privacy == "followers"
|
|
and self.user.followers.filter(id=viewer.id).first()
|
|
):
|
|
return True
|
|
|
|
# you can see dms you are tagged in
|
|
if hasattr(self, "mention_users"):
|
|
if (
|
|
self.privacy == "direct"
|
|
and self.mention_users.filter(id=viewer.id).first()
|
|
):
|
|
return True
|
|
return False
|
|
|
|
|
|
@receiver(models.signals.post_save)
|
|
# pylint: disable=unused-argument
|
|
def set_remote_id(sender, instance, created, *args, **kwargs):
|
|
"""set the remote_id after save (when the id is available)"""
|
|
if not created or not hasattr(instance, "get_remote_id"):
|
|
return
|
|
if not instance.remote_id:
|
|
instance.remote_id = instance.get_remote_id()
|
|
try:
|
|
instance.save(broadcast=False)
|
|
except TypeError:
|
|
instance.save()
|