source: python-cinema-club-bot/commands/announce.py

# This file is part of python-cinema-club-bot
# contributed in 2024 by Mikhail Kirillov (~w96k) <w96k@runbox.com>

# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.

# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see:
# <http://creativecommons.org/publicdomain/zero/1.0/>

from telegram import Update, error
from telegram.ext import ContextTypes

from strings import ANNOUNCEMENT_TEMPLATE, ANNOUNCEMENT_FINISHED_EVENT, \
    ANNOUNCEMENT_EVENT_NEEDS_EDITING
from utils import context_init, create_users_string, choose_next_user
from predicates import has_unfinished_event

async def create_announcement(
        update: Update,
        context: ContextTypes.DEFAULT_TYPE
) -> None:
    context_init(context)

    intro = " ".join(context.args)

    events = context.chat_data["events"]
    movies = context.chat_data["movies"]

    if has_unfinished_event(context):
        last_event = events[-1]
        last_movie = movies[-1]

        if last_event["when"] is None or last_event["where"] is None or last_event["movie"] is None:
            raise error.TelegramError(ANNOUNCEMENT_EVENT_NEEDS_EDITING)

        genres ="#" + " #".join(last_movie["genres"])

        await update.message.reply_markdown(
            ANNOUNCEMENT_TEMPLATE.format(
                intro=intro,
                movie_title=last_movie["title"],
                movie_id=last_movie["id"],
                movie_runtime=last_movie["runtime"][0],
                when=last_event["when"],
                where=last_event["where"],
                user=last_movie["user"],
                rating=last_movie["rating"],
                genres=genres,
            )
        )

        return

    await update.message.reply_text(ANNOUNCEMENT_FINISHED_EVENT)