Tulir Asokan
103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2021 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 __future__ import annotations
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import logging
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from telethon import TelegramClient
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from mautrix.types import RoomID, UserID
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from mautrix.util.formatter import MatrixParser as BaseMatrixParser, RecursionContext
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from mautrix.util.formatter.html_reader_htmlparser import HTMLNode, read_html
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from mautrix.util.logging import TraceLogger
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from ... import portal as po, puppet as pu, user as u
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from .telegram_message import TelegramEntityType, TelegramMessage
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log: TraceLogger = logging.getLogger("mau.fmt.mx")
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class MatrixParser(BaseMatrixParser[TelegramMessage]):
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e = TelegramEntityType
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fs = TelegramMessage
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read_html = staticmethod(read_html)
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client: TelegramClient
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def __init__(self, client: TelegramClient) -> None:
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self.client = client
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async def custom_node_to_fstring(
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self, node: HTMLNode, ctx: RecursionContext
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) -> TelegramMessage | None:
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msg = await self.tag_aware_parse_node(node, ctx)
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if node.tag == "command":
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return msg.prepend("/").format(TelegramEntityType.COMMAND)
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return None
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async def user_pill_to_fstring(self, msg: TelegramMessage, user_id: UserID) -> TelegramMessage:
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user = await pu.Puppet.get_by_mxid(user_id) or await u.User.get_by_mxid(
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user_id, create=False
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)
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if not user:
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return msg
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if user.tg_username:
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return TelegramMessage(f"@{user.tg_username}").format(TelegramEntityType.MENTION)
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elif user.tgid:
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displayname = user.plain_displayname or msg.text
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msg = TelegramMessage(displayname)
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try:
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input_entity = self.client.get_input_entity(user.tgid)
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except (ValueError, TypeError) as e:
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log.trace(f"Dropping mention of {user.tgid}: {e}")
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else:
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msg = msg.format(TelegramEntityType.MENTION_NAME, user_id=input_entity)
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return msg
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async def url_to_fstring(self, msg: TelegramMessage, url: str) -> TelegramMessage:
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if url == msg.text:
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return msg.format(self.e.URL)
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else:
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return msg.format(self.e.INLINE_URL, url=url)
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async def room_pill_to_fstring(self, msg: TelegramMessage, room_id: RoomID) -> TelegramMessage:
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username = po.Portal.get_username_from_mx_alias(room_id)
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portal = await po.Portal.find_by_username(username)
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if portal and portal.username:
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return TelegramMessage(f"@{portal.username}").format(TelegramEntityType.MENTION)
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async def header_to_fstring(self, node: HTMLNode, ctx: RecursionContext) -> TelegramMessage:
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children = await self.node_to_fstrings(node, ctx)
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length = int(node.tag[1])
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prefix = "#" * length + " "
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return TelegramMessage.join(children, "").prepend(prefix).format(TelegramEntityType.BOLD)
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async def blockquote_to_fstring(
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self, node: HTMLNode, ctx: RecursionContext
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) -> TelegramMessage:
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msg = await self.tag_aware_parse_node(node, ctx)
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children = msg.trim().split("\n")
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children = [child.prepend("> ") for child in children]
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return TelegramMessage.join(children, "\n")
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async def color_to_fstring(self, msg: TelegramMessage, color: str) -> TelegramMessage:
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return msg
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async def spoiler_to_fstring(self, msg: TelegramMessage, reason: str) -> TelegramMessage:
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msg = msg.format(self.e.SPOILER)
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if reason:
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msg = msg.prepend(f"{reason}: ")
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return msg
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