moviewyrm/bookwyrm/activitypub/verbs.py
2021-03-13 15:32:56 -08:00

194 lines
4.5 KiB
Python

""" undo wrapper activity """
from dataclasses import dataclass
from typing import List
from django.apps import apps
from .base_activity import ActivityObject, Signature, resolve_remote_id
from .book import Edition
@dataclass(init=False)
class Verb(ActivityObject):
"""generic fields for activities - maybe an unecessary level of
abstraction but w/e"""
actor: str
object: ActivityObject
def action(self):
""" usually we just want to save, this can be overridden as needed """
self.object.to_model()
@dataclass(init=False)
class Create(Verb):
""" Create activity """
to: List
cc: List
signature: Signature = None
type: str = "Create"
@dataclass(init=False)
class Delete(Verb):
""" Create activity """
to: List
cc: List
type: str = "Delete"
def action(self):
""" find and delete the activity object """
obj = self.object.to_model(save=False, allow_create=False)
obj.delete()
@dataclass(init=False)
class Update(Verb):
""" Update activity """
to: List
type: str = "Update"
def action(self):
""" update a model instance from the dataclass """
self.object.to_model(allow_create=False)
@dataclass(init=False)
class Undo(Verb):
""" Undo an activity """
type: str = "Undo"
def action(self):
""" find and remove the activity object """
# this is so hacky but it does make it work....
# (because you Reject a request and Undo a follow
model = None
if self.object.type == "Follow":
model = apps.get_model("bookwyrm.UserFollows")
obj = self.object.to_model(model=model, save=False, allow_create=False)
if not obj:
# this could be a folloq request not a follow proper
model = apps.get_model("bookwyrm.UserFollowRequest")
obj = self.object.to_model(model=model, save=False, allow_create=False)
else:
obj = self.object.to_model(model=model, save=False, allow_create=False)
if not obj:
# if we don't have the object, we can't undo it. happens a lot with boosts
return
obj.delete()
@dataclass(init=False)
class Follow(Verb):
""" Follow activity """
object: str
type: str = "Follow"
def action(self):
""" relationship save """
self.to_model()
@dataclass(init=False)
class Block(Verb):
""" Block activity """
object: str
type: str = "Block"
def action(self):
""" relationship save """
self.to_model()
@dataclass(init=False)
class Accept(Verb):
""" Accept activity """
object: Follow
type: str = "Accept"
def action(self):
""" find and remove the activity object """
obj = self.object.to_model(save=False, allow_create=False)
obj.accept()
@dataclass(init=False)
class Reject(Verb):
""" Reject activity """
object: Follow
type: str = "Reject"
def action(self):
""" find and remove the activity object """
obj = self.object.to_model(save=False, allow_create=False)
obj.reject()
@dataclass(init=False)
class Add(Verb):
"""Add activity """
target: str
object: Edition
type: str = "Add"
notes: str = None
order: int = 0
approved: bool = True
def action(self):
""" add obj to collection """
target = resolve_remote_id(self.target, refresh=False)
# we want to get the related field that isn't the book, this is janky af sorry
model = [t for t in type(target)._meta.related_objects if t.name != "edition"][
0
].related_model
self.to_model(model=model)
@dataclass(init=False)
class Remove(Verb):
"""Remove activity """
target: ActivityObject
type: str = "Remove"
def action(self):
""" find and remove the activity object """
target = resolve_remote_id(self.target, refresh=False)
model = [t for t in type(target)._meta.related_objects if t.name != "edition"][
0
].related_model
obj = self.to_model(model=model, save=False, allow_create=False)
obj.delete()
@dataclass(init=False)
class Like(Verb):
""" a user faving an object """
object: str
type: str = "Like"
def action(self):
""" like """
self.to_model()
@dataclass(init=False)
class Announce(Verb):
""" boosting a status """
object: str
type: str = "Announce"
def action(self):
""" boost """
self.to_model()