76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
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# reminder - A maubot plugin that reacts to messages that match predefined rules.
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# Copyright (C) 2019 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from typing import Pattern, List, Set, Type
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from attr import dataclass
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import re
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from mautrix.types import RoomID, EventType, ReactionEventContent, RelationType
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from mautrix.util.config import BaseProxyConfig, ConfigUpdateHelper
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from maubot import Plugin, MessageEvent
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from maubot.handlers import event
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class Config(BaseProxyConfig):
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def do_update(self, helper: ConfigUpdateHelper) -> None:
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helper.copy("rules")
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@dataclass
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class Rule:
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rooms: Set[RoomID]
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matches: List[Pattern]
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reaction: str
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react_to_reply: bool
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def is_match(self, evt: MessageEvent) -> bool:
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if evt.room_id not in self.rooms:
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return False
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for match in self.matches:
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if match.match(evt.content.body):
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return True
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return False
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class ReactBot(Plugin):
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rules: List[Rule]
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@classmethod
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def get_config_class(cls) -> Type[BaseProxyConfig]:
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return Config
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async def start(self) -> None:
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await super().start()
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self.rules = []
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self.on_external_config_update()
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def on_external_config_update(self) -> None:
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self.config.load_and_update()
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self.rules = [Rule(rooms=set(rule.get("rooms", [])),
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matches=[re.compile(match) for match in rule.get("matches")],
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reaction=rule.get("reaction", "\U0001F44D"),
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react_to_reply=rule.get("react_to_reply", False))
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for rule in self.config["rules"]]
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@event.on(EventType.ROOM_MESSAGE)
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async def echo_handler(self, evt: MessageEvent) -> None:
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for rule in self.rules:
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if rule.is_match(evt):
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if rule.react_to_reply and evt.content.get_reply_to():
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await self.client.react(evt.room_id, evt.content.get_reply_to(), rule.reaction)
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else:
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await evt.react(rule.reaction)
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