File: generic.py

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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 NewType, Union

from ..primitive import JSON
from ..util import Obj, deserializer
from .account_data import AccountDataEvent, AccountDataEventContent
from .base import EventType, GenericEvent
from .beeper import BeeperMessageStatusEvent, BeeperMessageStatusEventContent
from .encrypted import EncryptedEvent, EncryptedEventContent
from .ephemeral import (
    EphemeralEvent,
    PresenceEvent,
    ReceiptEvent,
    ReceiptEventContent,
    TypingEvent,
    TypingEventContent,
)
from .message import MessageEvent, MessageEventContent
from .reaction import ReactionEvent, ReactionEventContent
from .redaction import RedactionEvent, RedactionEventContent
from .state import StateEvent, StateEventContent
from .to_device import ASToDeviceEvent, ToDeviceEvent, ToDeviceEventContent
from .voip import CallEvent, CallEventContent, type_to_class as voip_types

Event = NewType(
    "Event",
    Union[
        MessageEvent,
        ReactionEvent,
        RedactionEvent,
        StateEvent,
        TypingEvent,
        ReceiptEvent,
        PresenceEvent,
        EncryptedEvent,
        ToDeviceEvent,
        ASToDeviceEvent,
        CallEvent,
        BeeperMessageStatusEvent,
        GenericEvent,
    ],
)

EventContent = Union[
    MessageEventContent,
    RedactionEventContent,
    ReactionEventContent,
    StateEventContent,
    AccountDataEventContent,
    ReceiptEventContent,
    TypingEventContent,
    EncryptedEventContent,
    ToDeviceEventContent,
    CallEventContent,
    BeeperMessageStatusEventContent,
    Obj,
]


@deserializer(Event)
def deserialize_event(data: JSON) -> Event:
    event_type = EventType.find(data.get("type", None))
    if event_type == EventType.ROOM_MESSAGE:
        return MessageEvent.deserialize(data)
    elif event_type == EventType.STICKER:
        data.get("content", {})["msgtype"] = "m.sticker"
        return MessageEvent.deserialize(data)
    elif event_type == EventType.REACTION:
        return ReactionEvent.deserialize(data)
    elif event_type == EventType.ROOM_REDACTION:
        return RedactionEvent.deserialize(data)
    elif event_type == EventType.ROOM_ENCRYPTED:
        return EncryptedEvent.deserialize(data)
    elif event_type in voip_types.keys():
        return CallEvent.deserialize(data, event_type=event_type)
    elif event_type.is_to_device:
        return ToDeviceEvent.deserialize(data)
    elif event_type.is_state:
        return StateEvent.deserialize(data)
    elif event_type.is_account_data:
        return AccountDataEvent.deserialize(data)
    elif event_type.is_ephemeral:
        return EphemeralEvent.deserialize(data)
    elif event_type == EventType.BEEPER_MESSAGE_STATUS:
        return BeeperMessageStatusEvent.deserialize(data)
    else:
        return GenericEvent.deserialize(data)


setattr(Event, "deserialize", deserialize_event)