microblog.pub/app/models.py

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import enum
from typing import Any
from typing import Optional
from sqlalchemy import JSON
from sqlalchemy import Boolean
from sqlalchemy import Column
from sqlalchemy import DateTime
from sqlalchemy import Enum
from sqlalchemy import ForeignKey
from sqlalchemy import Integer
from sqlalchemy import String
from sqlalchemy import UniqueConstraint
from sqlalchemy.orm import Mapped
from sqlalchemy.orm import relationship
from app import activitypub as ap
from app.actor import LOCAL_ACTOR
from app.actor import Actor as BaseActor
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from app.ap_object import Attachment
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from app.ap_object import Object as BaseObject
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from app.config import BASE_URL
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from app.database import Base
from app.database import now
class Actor(Base, BaseActor):
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__tablename__ = "actor"
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id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
updated_at = Column(DateTime(timezone=True), nullable=False, default=now)
ap_id = Column(String, unique=True, nullable=False, index=True)
ap_actor: Mapped[ap.RawObject] = Column(JSON, nullable=False)
ap_type = Column(String, nullable=False)
handle = Column(String, nullable=True, index=True)
@property
def is_from_db(self) -> bool:
return True
class InboxObject(Base, BaseObject):
__tablename__ = "inbox"
id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
updated_at = Column(DateTime(timezone=True), nullable=False, default=now)
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actor_id = Column(Integer, ForeignKey("actor.id"), nullable=False)
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actor: Mapped[Actor] = relationship(Actor, uselist=False)
server = Column(String, nullable=False)
is_hidden_from_stream = Column(Boolean, nullable=False, default=False)
ap_actor_id = Column(String, nullable=False)
ap_type = Column(String, nullable=False)
ap_id = Column(String, nullable=False, unique=True, index=True)
ap_context = Column(String, nullable=True)
ap_published_at = Column(DateTime(timezone=True), nullable=False)
ap_object: Mapped[ap.RawObject] = Column(JSON, nullable=False)
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# Only set for activities
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activity_object_ap_id = Column(String, nullable=True)
visibility = Column(Enum(ap.VisibilityEnum), nullable=False)
# Used for Like, Announce and Undo activities
relates_to_inbox_object_id = Column(
Integer,
ForeignKey("inbox.id"),
nullable=True,
)
relates_to_inbox_object: Mapped[Optional["InboxObject"]] = relationship(
"InboxObject",
foreign_keys=relates_to_inbox_object_id,
remote_side=id,
uselist=False,
)
relates_to_outbox_object_id = Column(
Integer,
ForeignKey("outbox.id"),
nullable=True,
)
relates_to_outbox_object: Mapped[Optional["OutboxObject"]] = relationship(
"OutboxObject",
foreign_keys=[relates_to_outbox_object_id],
uselist=False,
)
undone_by_inbox_object_id = Column(Integer, ForeignKey("inbox.id"), nullable=True)
# Link the oubox AP ID to allow undo without any extra query
liked_via_outbox_object_ap_id = Column(String, nullable=True)
announced_via_outbox_object_ap_id = Column(String, nullable=True)
is_bookmarked = Column(Boolean, nullable=False, default=False)
# FIXME(ts): do we need this?
has_replies = Column(Boolean, nullable=False, default=False)
og_meta: Mapped[list[dict[str, Any]] | None] = Column(JSON, nullable=True)
class OutboxObject(Base, BaseObject):
__tablename__ = "outbox"
id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
updated_at = Column(DateTime(timezone=True), nullable=False, default=now)
is_hidden_from_homepage = Column(Boolean, nullable=False, default=False)
public_id = Column(String, nullable=False, index=True)
ap_type = Column(String, nullable=False)
ap_id = Column(String, nullable=False, unique=True, index=True)
ap_context = Column(String, nullable=True)
ap_object: Mapped[ap.RawObject] = Column(JSON, nullable=False)
activity_object_ap_id = Column(String, nullable=True)
# Source content for activities (like Notes)
source = Column(String, nullable=True)
ap_published_at = Column(DateTime(timezone=True), nullable=False, default=now)
visibility = Column(Enum(ap.VisibilityEnum), nullable=False)
likes_count = Column(Integer, nullable=False, default=0)
announces_count = Column(Integer, nullable=False, default=0)
replies_count = Column(Integer, nullable=False, default=0)
webmentions = Column(JSON, nullable=True)
og_meta: Mapped[list[dict[str, Any]] | None] = Column(JSON, nullable=True)
# Never actually delete from the outbox
is_deleted = Column(Boolean, nullable=False, default=False)
# Used for Like, Announce and Undo activities
relates_to_inbox_object_id = Column(
Integer,
ForeignKey("inbox.id"),
nullable=True,
)
relates_to_inbox_object: Mapped[Optional["InboxObject"]] = relationship(
"InboxObject",
foreign_keys=[relates_to_inbox_object_id],
uselist=False,
)
relates_to_outbox_object_id = Column(
Integer,
ForeignKey("outbox.id"),
nullable=True,
)
relates_to_outbox_object: Mapped[Optional["OutboxObject"]] = relationship(
"OutboxObject",
foreign_keys=[relates_to_outbox_object_id],
remote_side=id,
uselist=False,
)
undone_by_outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=True)
@property
def actor(self) -> BaseActor:
return LOCAL_ACTOR
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outbox_object_attachments: Mapped[list["OutboxObjectAttachment"]] = relationship(
"OutboxObjectAttachment", uselist=True, backref="outbox_object"
)
@property
def attachments(self) -> list[Attachment]:
out = []
for attachment in self.outbox_object_attachments:
url = (
BASE_URL
+ f"/attachments/{attachment.upload.content_hash}/{attachment.filename}"
)
out.append(
Attachment.parse_obj(
{
"type": "Document",
"mediaType": attachment.upload.content_type,
"name": attachment.filename,
"url": url,
"proxiedUrl": url,
"resizedUrl": BASE_URL
+ (
"/attachments/thumbnails/"
f"{attachment.upload.content_hash}"
f"/{attachment.filename}"
)
if attachment.upload.has_thumbnail
else None,
}
)
)
return out
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class Follower(Base):
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__tablename__ = "follower"
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id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
updated_at = Column(DateTime(timezone=True), nullable=False, default=now)
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actor_id = Column(Integer, ForeignKey("actor.id"), nullable=False, unique=True)
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actor = relationship(Actor, uselist=False)
inbox_object_id = Column(Integer, ForeignKey("inbox.id"), nullable=False)
inbox_object = relationship(InboxObject, uselist=False)
ap_actor_id = Column(String, nullable=False, unique=True)
class Following(Base):
__tablename__ = "following"
id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
updated_at = Column(DateTime(timezone=True), nullable=False, default=now)
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actor_id = Column(Integer, ForeignKey("actor.id"), nullable=False, unique=True)
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actor = relationship(Actor, uselist=False)
outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=False)
outbox_object = relationship(OutboxObject, uselist=False)
ap_actor_id = Column(String, nullable=False, unique=True)
@enum.unique
class NotificationType(str, enum.Enum):
NEW_FOLLOWER = "new_follower"
UNFOLLOW = "unfollow"
LIKE = "like"
UNDO_LIKE = "undo_like"
ANNOUNCE = "announce"
UNDO_ANNOUNCE = "undo_announce"
MENTION = "mention"
class Notification(Base):
__tablename__ = "notifications"
id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
notification_type = Column(Enum(NotificationType), nullable=True)
is_new = Column(Boolean, nullable=False, default=True)
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actor_id = Column(Integer, ForeignKey("actor.id"), nullable=True)
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actor = relationship(Actor, uselist=False)
outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=True)
outbox_object = relationship(OutboxObject, uselist=False)
inbox_object_id = Column(Integer, ForeignKey("inbox.id"), nullable=True)
inbox_object = relationship(InboxObject, uselist=False)
class OutgoingActivity(Base):
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__tablename__ = "outgoing_activity"
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id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
recipient = Column(String, nullable=False)
outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=False)
outbox_object = relationship(OutboxObject, uselist=False)
tries = Column(Integer, nullable=False, default=0)
next_try = Column(DateTime(timezone=True), nullable=True, default=now)
last_try = Column(DateTime(timezone=True), nullable=True)
last_status_code = Column(Integer, nullable=True)
last_response = Column(String, nullable=True)
is_sent = Column(Boolean, nullable=False, default=False)
is_errored = Column(Boolean, nullable=False, default=False)
error = Column(String, nullable=True)
class TaggedOutboxObject(Base):
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__tablename__ = "tagged_outbox_object"
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__table_args__ = (
UniqueConstraint("outbox_object_id", "tag", name="uix_tagged_object"),
)
id = Column(Integer, primary_key=True, index=True)
outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=False)
outbox_object = relationship(OutboxObject, uselist=False)
tag = Column(String, nullable=False, index=True)
class Upload(Base):
__tablename__ = "upload"
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id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
content_type: Mapped[str] = Column(String, nullable=False)
content_hash = Column(String, nullable=False, unique=True)
has_thumbnail = Column(Boolean, nullable=False)
# Only set for images
blurhash = Column(String, nullable=True)
width = Column(Integer, nullable=True)
height = Column(Integer, nullable=True)
@property
def is_image(self) -> bool:
return self.content_type.startswith("image")
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class OutboxObjectAttachment(Base):
__tablename__ = "outbox_object_attachment"
id = Column(Integer, primary_key=True, index=True)
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created_at = Column(DateTime(timezone=True), nullable=False, default=now)
filename = Column(String, nullable=False)
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outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=False)
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upload_id = Column(Integer, ForeignKey("upload.id"), nullable=False)
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upload = relationship(Upload, uselist=False)