201 lines
6.8 KiB
Python
201 lines
6.8 KiB
Python
import logging
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from nio import (
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AsyncClient,
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InviteMemberEvent,
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JoinError,
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MatrixRoom,
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MegolmEvent,
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RoomGetEventError,
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RoomMessageText,
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UnknownEvent,
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)
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from my_project_name.bot_commands import Command
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from my_project_name.chat_functions import make_pill, react_to_event, send_text_to_room
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from my_project_name.config import Config
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from my_project_name.message_responses import Message
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from my_project_name.storage import Storage
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logger = logging.getLogger(__name__)
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class Callbacks:
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def __init__(self, client: AsyncClient, store: Storage, config: Config):
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"""
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Args:
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client: nio client used to interact with matrix.
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store: Bot storage.
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config: Bot configuration parameters.
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"""
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self.client = client
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self.store = store
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self.config = config
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self.command_prefix = config.command_prefix
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async def message(self, room: MatrixRoom, event: RoomMessageText) -> None:
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"""Callback for when a message event is received
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Args:
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room: The room the event came from.
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event: The event defining the message.
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"""
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# Extract the message text
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msg = event.body
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# Ignore messages from ourselves
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if event.sender == self.client.user:
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return
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logger.debug(
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f"Bot message received for room {room.display_name} | "
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f"{room.user_name(event.sender)}: {msg}"
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)
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# Process as message if in a public room without command prefix
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has_command_prefix = msg.startswith(self.command_prefix)
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# room.is_group is often a DM, but not always.
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# room.is_group does not allow room aliases
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# room.member_count > 2 ... we assume a public room
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# room.member_count <= 2 ... we assume a DM
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if not has_command_prefix and room.member_count > 2:
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# General message listener
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message = Message(self.client, self.store, self.config, msg, room, event)
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await message.process()
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return
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# Otherwise if this is in a 1-1 with the bot or features a command prefix,
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# treat it as a command
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if has_command_prefix:
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# Remove the command prefix
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msg = msg[len(self.command_prefix) :]
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command = Command(self.client, self.store, self.config, msg, room, event)
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await command.process()
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async def invite(self, room: MatrixRoom, event: InviteMemberEvent) -> None:
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#"""Callback for when an invite is received. Join the room specified in the invite.
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#Args:
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# room: The room that we are invited to.
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# event: The invite event.
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#"""
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#logger.debug(f"Got invite to {room.room_id} from {event.sender}.")
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## Attempt to join 3 times before giving up
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#for attempt in range(3):
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# result = await self.client.join(room.room_id)
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# if type(result) == JoinError:
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# logger.error(
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# f"Error joining room {room.room_id} (attempt %d): %s",
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# attempt,
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# result.message,
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# )
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# else:
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# break
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#else:
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# logger.error("Unable to join room: %s", room.room_id)
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## Successfully joined room
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#logger.info(f"Joined {room.room_id}")
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return
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async def _reaction(
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self, room: MatrixRoom, event: UnknownEvent, reacted_to_id: str
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) -> None:
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#"""A reaction was sent to one of our messages. Let's send a reply acknowledging it.
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#Args:
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# room: The room the reaction was sent in.
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# event: The reaction event.
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# reacted_to_id: The event ID that the reaction points to.
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#"""
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#logger.debug(f"Got reaction to {room.room_id} from {event.sender}.")
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## Get the original event that was reacted to
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#event_response = await self.client.room_get_event(room.room_id, reacted_to_id)
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#if isinstance(event_response, RoomGetEventError):
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# logger.warning(
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# "Error getting event that was reacted to (%s)", reacted_to_id
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# )
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# return
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#reacted_to_event = event_response.event
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## Only acknowledge reactions to events that we sent
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#if reacted_to_event.sender != self.config.user_id:
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# return
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## Send a message acknowledging the reaction
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#reaction_sender_pill = make_pill(event.sender)
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#reaction_content = (
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# event.source.get("content", {}).get("m.relates_to", {}).get("key")
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#)
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#message = (
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# f"{reaction_sender_pill} reacted to this event with `{reaction_content}`!"
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#)
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#await send_text_to_room(
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# self.client,
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# room.room_id,
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# message,
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# reply_to_event_id=reacted_to_id,
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#)
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return
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async def decryption_failure(self, room: MatrixRoom, event: MegolmEvent) -> None:
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"""Callback for when an event fails to decrypt. Inform the user.
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Args:
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room: The room that the event that we were unable to decrypt is in.
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event: The encrypted event that we were unable to decrypt.
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"""
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logger.error(
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f"Failed to decrypt event '{event.event_id}' in room '{room.room_id}'!"
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f"\n\n"
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f"Tip: try using a different device ID in your config file and restart."
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f"\n\n"
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f"If all else fails, delete your store directory and let the bot recreate "
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f"it (your reminders will NOT be deleted, but the bot may respond to existing "
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f"commands a second time)."
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)
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red_x_and_lock_emoji = "❌ 🔐"
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# React to the undecryptable event with some emoji
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await react_to_event(
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self.client,
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room.room_id,
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event.event_id,
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red_x_and_lock_emoji,
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)
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async def unknown(self, room: MatrixRoom, event: UnknownEvent) -> None:
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"""Callback for when an event with a type that is unknown to matrix-nio is received.
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Currently this is used for reaction events, which are not yet part of a released
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matrix spec (and are thus unknown to nio).
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Args:
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room: The room the reaction was sent in.
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event: The event itself.
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"""
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if event.type == "m.reaction":
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# Get the ID of the event this was a reaction to
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relation_dict = event.source.get("content", {}).get("m.relates_to", {})
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reacted_to = relation_dict.get("event_id")
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if reacted_to and relation_dict.get("rel_type") == "m.annotation":
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await self._reaction(room, event, reacted_to)
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return
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logger.debug(
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f"Got unknown event with type to {event.type} from {event.sender} in {room.room_id}."
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)
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