Add /announcement command

Forgot to include this file :(

1 files changed, 52 insertions, 0 deletions

diff --git a/commands/announce.py b/commands/announce.py
new file mode 100644
index 0000000..733e8d8
--- /dev/null
+++ b/commands/announce.py
@@ -0,0 +1,52 @@
+# 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
+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]
+
+        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)