Add a Privacy Policy (#141)

Author: Bibo-Joshi

components/callbacks.py

@@ -35,6 +35,7 @@
     ONTOPIC_CHAT_ID,
     ONTOPIC_RULES,
     ONTOPIC_USERNAME,
+    PRIVACY_POLICY,
     TOKEN_TEXT,
     VEGETABLES,
 )
@@ -578,3 +579,11 @@ async def job_callback(_: ContextTypes.DEFAULT_TYPE) -> None:
 
     # We don't want this message to be processed any further
     raise ApplicationHandlerStop
+
+
+async def privacy(update: Update, _: ContextTypes.DEFAULT_TYPE) -> None:
+    """Reply with the privacy policy"""
+    message = cast(Message, update.effective_message)
+    await message.reply_text(
+        f"Please read my privacy policy in <a href={PRIVACY_POLICY}>here</a>."
+    )

components/const.py

@@ -255,3 +255,19 @@
     """,
     flags=re.VERBOSE,
 )
+
+PRIVACY_POLICY = "https://github.com/python-telegram-bot/rules-bot/wiki/Privacy-Policy"
+
+SHORT_DESCRIPTION = (
+    "Helper bot of the python-telegram-bot groups | Help and source at "
+    "https://github.com/python-telegram-bot/rules-bot"
+)
+DESCRIPTION = f"""
+Helper bot of the https://python-telegram-bot.org community groups:
+{ONTOPIC_CHAT_ID} and {OFFTOPIC_CHAT_ID}.
+
+The privacy policy of this bot can be found at {PRIVACY_POLICY}.
+
+Usage instructions and source code can be found at
+ https://github.com/python-telegram-bot/rules-bot.
+"""

components/util.py

@@ -149,6 +149,7 @@ def build_command_list(
         return base_commands + hint_commands
 
     base_commands += [
+        ("privacy", "Show the privacy policy of this bot"),
         ("rules", "Show the rules for this group."),
         ("buy", "Tell people to not do job offers."),
         ("token", "Warn people if they share a token."),

rules_bot.py

@@ -33,6 +33,7 @@
     leave_chat,
     long_code_handling,
     off_on_topic,
+    privacy,
     raise_app_handler_stop,
     regex_token_warning,
     reply_search,
@@ -47,11 +48,13 @@
     ALLOWED_CHAT_IDS,
     ALLOWED_USERNAMES,
     COMPAT_ERRORS,
+    DESCRIPTION,
     ERROR_CHANNEL_CHAT_ID,
     OFFTOPIC_CHAT_ID,
     OFFTOPIC_USERNAME,
     ONTOPIC_CHAT_ID,
     ONTOPIC_USERNAME,
+    SHORT_DESCRIPTION,
 )
 from components.errorhandler import error_handler
 from components.joinrequests import join_request_buttons, join_request_callback
@@ -78,6 +81,9 @@ async def post_init(application: Application) -> None:
     bot = application.bot
     await cast(Search, application.bot_data["search"]).initialize(application)
 
+    await bot.set_my_short_description(SHORT_DESCRIPTION)
+    await bot.set_my_description(DESCRIPTION)
+
     # set commands
     await bot.set_my_commands(
         build_command_list(private=True),
@@ -160,6 +166,7 @@ def main() -> None:
     application.add_handler(CommandHandler("start", start))
     application.add_handler(CommandHandler("rules", rules))
     application.add_handler(CommandHandler("buy", buy))
+    application.add_handler(CommandHandler("privacy", privacy))
 
     # Stuff that runs on every message with regex
     application.add_handler(