def delete_join(bot: Bot, update: Update):
chat = update.effective_chat # type: Optional[Chat]
join = update.effective_message.new_chat_members
if can_delete(chat, bot.id):
del_join = sql.get_del_pref(chat.id)
if del_join and update.message:
update.message.delete()
def del_lockables(bot: Bot, update: Update):
chat = update.effective_chat
message = update.effective_message
for lockable, filter in LOCK_TYPES.items():
if filter(message) and sql.is_locked(chat.id, lockable) and can_delete(
chat, bot.id):
if lockable == "bots":
new_members = update.effective_message.new_chat_members
for new_mem in new_members:
if new_mem.is_bot:
if not is_bot_admin(chat, bot.id):
message.reply_text(
"I see a bot, and I've been told to stop them joining... "
"but I'm not admin!")
return
chat.kick_member(new_mem.id)
message.reply_text(
"Only admins are allowed to add bots to this chat!."
)
else:
try:
message.delete()
except BadRequest as excp:
if excp.message == "Message to delete not found":
pass
else:
LOGGER.exception("ERROR in lockables")
break
def lock(bot: Bot, update: Update, args: List[str]) -> str:
chat = update.effective_chat
user = update.effective_user
message = update.effective_message
if can_delete(chat, bot.id):
if len(args) >= 1:
if args[0] in LOCK_TYPES:
sql.update_lock(chat.id, args[0], locked=True)
message.reply_text(
"Locked {} messages for all non-admins!".format(args[0]))
return "<b>{}:</b>" \
"\n#LOCK" \
"\n<b>Admin:</b> {}" \
"\nLocked <code>{}</code>.".format(html.escape(chat.title),
mention_html(user.id, user.first_name), args[0])
elif args[0] in RESTRICTION_TYPES:
sql.update_restriction(chat.id, args[0], locked=True)
"""
if args[0] == "messages":
chat.set_permissions(can_send_messages=False)
elif args[0] == "media":
chat.set_permissions(can_send_media_messages=False)
elif args[0] == "other":
chat.set_permissions(can_send_other_messages=False)
elif args[0] == "previews":
chat.set_permissions(can_add_web_page_previews=False)
elif args[0] == "all":
chat.set_permissions(can_send_messages=False)
"""
message.reply_text("Locked {} for all non-admins!".format(
args[0]))
return "<b>{}:</b>" \
"\n#LOCK" \
"\n<b>Admin:</b> {}" \
"\nLocked <code>{}</code>.".format(html.escape(chat.title),
mention_html(user.id, user.first_name), args[0])
else:
message.reply_text(
"What are you trying to lock...? Try /locktypes for the list of lockables"
)
else:
message.reply_text(
"I'm not an administrator, or haven't got delete rights.")
return ""
def rest_handler(bot: Bot, update: Update):
msg = update.effective_message
chat = update.effective_chat
for restriction, filter in RESTRICTION_TYPES.items():
if filter(msg) and sql.is_restr_locked(
chat.id, restriction) and can_delete(chat, bot.id):
try:
msg.delete()
except BadRequest as excp:
if excp.message == "Message to delete not found":
pass
else:
LOGGER.exception("ERROR in restrictions")
break
def del_message(bot: Bot, update: Update) -> str:
if update.effective_message.reply_to_message:
user = update.effective_user
chat = update.effective_chat
if can_delete(chat, bot.id):
update.effective_message.reply_to_message.delete()
update.effective_message.delete()
return (f"<b>{html.escape(chat.title)}:</b>\n"
f"#DEL\n"
f"<b>Admin:</b> {mention_html(user.id, user.first_name)}\n"
f"Message deleted.")
else:
update.effective_message.reply_text("Whadya want to delete?")
return ""
def purge(bot: Bot, update: Update, args: List[str]) -> str:
msg = update.effective_message
user = update.effective_user
chat = update.effective_chat
if can_delete(chat, bot.id):
if msg.reply_to_message:
message_id = msg.reply_to_message.message_id
start_message_id = message_id - 1
delete_to = msg.message_id - 1
if args and args[0].isdigit():
new_del = message_id + int(args[0])
# No point deleting messages which haven't been written yet.
if new_del < delete_to:
delete_to = new_del
else:
if args and args[0].isdigit():
messages_to_delete = int(args[0])
if messages_to_delete < 1:
msg.reply_text("Can't purge less than 1 message.")
return ""
delete_to = msg.message_id - 1
start_message_id = delete_to - messages_to_delete
for m_id in range(delete_to, start_message_id,
-1): # Reverse iteration over message ids
try:
bot.deleteMessage(chat.id, m_id)
except BadRequest as err:
if err.message == "Message can't be deleted":
bot.send_message(
chat.id,
"Cannot delete all messages. The messages may be too old, I might "
"not have delete rights, or this might not be a supergroup."
)
elif err.message != "Message to delete not found":
LOGGER.exception("Error while purging chat messages.")
try:
msg.delete()
except BadRequest as err:
if err.message == "Message can't be deleted":
bot.send_message(
chat.id,
"Cannot delete all messages. The messages may be too old, I might "
"not have delete rights, or this might not be a supergroup."
)
elif err.message != "Message to delete not found":
LOGGER.exception("Error while purging chat messages.")
bot.send_message(
chat.id,
f"Purge <code>{delete_to - start_message_id}</code> messages.",
parse_mode=ParseMode.HTML)
return (
f"<b>{html.escape(chat.title)}:</b>\n"
f"#PURGE\n"
f"<b>Admin:</b> {mention_html(user.id, user.first_name)}\n"
f"Purged <code>{delete_to - start_message_id}</code> messages.")
return ""