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# Copyright (c) 2022 Tulir Asokan
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from typing import Optional
from attr import dataclass
import attr
from ..primitive import EventID, RoomID, UserID
from ..util import Obj, SerializableAttrs
from .type import EventType
@dataclass
class BaseUnsigned:
"""Base unsigned information."""
age: int = None
@dataclass
class BaseEvent:
"""Base event class. The only things an event **must** have are content and event type."""
content: Obj
type: EventType
@dataclass
class BaseRoomEvent(BaseEvent):
"""Base room event class. Room events must have a room ID, event ID, sender and timestamp in
addition to the content and type in the base event."""
room_id: RoomID
event_id: EventID
sender: UserID
timestamp: int = attr.ib(metadata={"json": "origin_server_ts"})
@dataclass
class GenericEvent(BaseEvent, SerializableAttrs):
"""
An event class that contains all possible top-level event keys and uses generic Obj's for object
keys (content and unsigned)
"""
content: Obj
type: EventType
room_id: Optional[RoomID] = None
event_id: Optional[EventID] = None
sender: Optional[UserID] = None
timestamp: Optional[int] = None
state_key: Optional[str] = None
unsigned: Obj = None
redacts: Optional[EventID] = None
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