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tempban.lua
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tempban.lua
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--[[
Copyright 2020 Matthew Hesketh <matthew@matthewhesketh.com>
This code is licensed under the MIT. See LICENSE for details.
]]
local tempban = {}
local mattata = require('mattata')
function tempban:init()
tempban.commands = mattata.commands(self.info.username):command('tempban').table
tempban.help = '/tempban [user] <length> - Temporarily bans a user from the current chat for the given length. The length should be in the format 1y2mo3w4d5h6m7s. Some natural language is supported too. Temp-bans must be a minimum of 60 seconds in length. This command can only be used by moderators and administrators of a supergroup.'
end
function tempban:on_message(message, configuration, language)
if message.chat.type ~= 'supergroup' then
local output = language['errors']['supergroup']
return mattata.send_reply(message, output)
elseif not mattata.is_group_admin(message.chat.id, message.from.id) then
local output = language['errors']['admin']
return mattata.send_reply(message, output)
end
local user, until_date = false, false
local input = mattata.input(message)
if input:match('^@?[%w_]+ .-$') then
user, until_date = input:match('^(@?[%w_]+) (.-)$')
elseif input then
until_date = input
if message.reply then
user = message.reply.from.id
end
end
until_date = mattata.string_to_time(until_date, true)
if until_date == false then
return mattata.send_reply(message, 'You must specify a length when using this command! This should be in the format 1y2mo3w4d5h6m7s. Some natural language is supported too. Temp-ban must be a minimum of 60 seconds in length.')
elseif not user then
return mattata.send_reply(message, 'You must specify a user to temp-ban. This can be done by mention, reply or ID.')
end
until_date = os.time() + until_date
local user_object = mattata.get_user(user) -- resolve the username/ID to a user object
if not user_object then
return mattata.send_reply(message, language.errors.unknown)
elseif user_object.result.id == self.info.id then
return false -- don't let the bot temp-ban itself
end
user_object = user_object.result
local status = mattata.get_chat_member(message.chat.id, user_object.id)
local is_admin = mattata.is_group_admin(message.chat.id, user_object.id)
if not status then
return mattata.send_reply(message, language.errors.generic)
elseif is_admin then -- we won't try and tempban moderators and administrators.
return mattata.send_reply(message, 'I can\'t temp-ban that user as they\'re an admin in this group!')
elseif status.result.status == 'kicked' then -- check if the user has already been kicked
return mattata.send_reply(message, 'I can\'t temp-ban that user as they\'re already been banned from this chat!')
end
local success = mattata.ban_chat_member(message.chat.id, user_object.id, until_date) -- attempt to temp-ban the user from the group
if not success then
return mattata.send_reply(message, 'I couldn\'t temp-ban that user! Please ensure I have the required permissions and try again!')
end
mattata.increase_administrative_action(message.chat.id, user_object.id, 'tempbans')
local until_formatted = os.date('%c', until_date):gsub(' ', ' ') .. ' GMT +0'
local admin_username = mattata.get_formatted_user(message.from.id, message.from.first_name, 'html')
local tempbanned_username = mattata.get_formatted_user(user_object.id, user_object.first_name, 'html')
if mattata.get_setting(message.chat.id, 'log administrative actions') then
local log_chat = mattata.get_log_chat(message.chat.id)
local output = '%s <code>[%s]</code> has temp-banned %s <code>[%s]</code> from %s <code>[%s]</code> until %s.\n%s %s'
output = string.format(output, admin_username, message.from.id, tempbanned_username, user_object.id, mattata.escape_html(message.chat.title), message.chat.id, until_formatted, '#chat' .. tostring(message.chat.id):gsub('^-100', ''), '#user' .. user_object.id)
mattata.send_message(log_chat, output, 'html')
else
local output = '%s has temp-banned %s until %s.'
output = string.format(output, admin_username, tempbanned_username, until_formatted)
mattata.send_message(message.chat.id, output, 'html')
end
if message.reply and mattata.get_setting(message.chat.id, 'delete reply on action') then
mattata.delete_message(message.chat.id, message.reply.message_id)
end
return
end
return tempban

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