calendar-bot/sendMatrix.py

from event import Event

import os
from nio import AsyncClient
from textwrap import dedent
from markdown2 import Markdown
import asyncio
import datetime

MATRIX_URL=os.environ["MATRIX_URL"]
MATRIX_USER=os.environ["MATRIX_USER"]
MATRIX_TOKEN=os.environ["MATRIX_TOKEN"]
ANNOUNCEMENT_CHANNEL=os.environ["ANNOUNCEMENT_CHANNEL"]

client = None

async def sendMatrixAnnouncement(event: Event, channel: str = ANNOUNCEMENT_CHANNEL, atEveryone: bool = False) -> None:
    url = "https://www.pvv.ntnu.no/hendelser/info.php?id={}".format(event.id)
    msgText = '''\
            ## Dagens arrangement / Event of the Day: "{name}"
            - 🕒 **{start}**
            - 📍 **{location}**

            {description}

            [Les mer / Read More]({url})
        '''.format(name=event.name, start=event.start.strftime('%H:%M'), location=event.location, description=event.description, url=url)

    msgText = dedent(msgText)

    if atEveryone:
        msgText = msgText + '\n@room'

    return await client.room_send(
        room_id=channel,
        message_type="m.room.message",
        content={
            "msgtype": "m.text",
            "body": msgText,
            "format": "org.matrix.custom.html",
            "formatted_body": Markdown().convert(msgText)
        }
    )


async def main() -> None:
    global client
    client = AsyncClient(MATRIX_URL, MATRIX_USER)
    client.access_token = MATRIX_TOKEN

    await sendMatrixAnnouncement(Event(1, datetime.datetime.now(), "Name", "Location", "PVV", "Description"), ANNOUNCEMENT_CHANNEL, False)

    await client.close()

asyncio.run(main())