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demote.lua
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demote.lua
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--[[
Copyright 2020 Matthew Hesketh <matthew@matthewhesketh.com>
This code is licensed under the MIT. See LICENSE for details.
]]
local demote = {}
local mattata = require('mattata')
local redis = require('libs.redis')
function demote:init()
demote.commands = mattata.commands(self.info.username)
:command('demote')
:command('demod').table
demote.help = '/demote [user] - Demotes a user to a standard user of the current chat. This command can only be used by administrators of a supergroup. Alias: /demod.'
end
function demote:on_message(message, configuration, language)
if message.chat.type ~= 'supergroup'
then
return mattata.send_reply(
message,
language['errors']['supergroup']
)
elseif not mattata.is_group_admin(
message.chat.id,
message.from.id,
true
)
then
return mattata.send_reply(
message,
language['errors']['admin']
)
end
local input = message.reply
and tostring(message.reply.from.id)
or mattata.input(message)
if not input
then
local success = mattata.send_force_reply(
message,
language['demote']['1']
)
if success
then
redis:set(
string.format(
'action:%s:%s',
message.chat.id,
success.result.message_id
),
'/demote'
)
end
return
elseif tonumber(input) == nil
and not input:match('^%@')
then
input = '@' .. input
end
local user = mattata.get_user(input)
or mattata.get_chat(input) -- Resolve the username/ID to a user object.
if not user
then
return mattata.send_reply(
message,
language['errors']['unknown']
)
elseif user.result.id == self.info.id
then
return
end
user = user.result
local status = mattata.get_chat_member(
message.chat.id,
user.id
)
if not status
then
return mattata.send_reply(
message,
language['errors']['generic']
)
elseif not mattata.is_group_admin(
message.chat.id,
user.id
)
then -- We won't try and demote users who aren't moderators/administrators.
return mattata.send_reply(
message,
language['demote']['2']
)
elseif status.result.status == 'left'
or status.result.status == 'kicked'
then -- Check if the user is in the group or not.
return mattata.send_reply(
message,
string.format(
status.result.status == 'left'
and language['demote']['3']
or language['demote']['4']
)
)
end
redis:srem(
'administration:' .. message.chat.id .. ':mods',
user.id
)
if redis:hget(
string.format(
'chat:%s:settings',
message.chat.id
),
'log administrative actions'
)
then
mattata.send_message(
mattata.get_log_chat(message.chat.id),
string.format(
'<pre>%s%s [%s] has demoted %s%s [%s] in %s%s [%s].</pre>',
message.from.username
and '@'
or '',
message.from.username
or mattata.escape_html(message.from.first_name),
message.from.id,
user.username
and '@'
or '',
user.username
or mattata.escape_html(user.first_name),
user.id,
message.chat.username
and '@'
or '',
message.chat.username
or mattata.escape_html(message.chat.title),
message.chat.id
),
'html'
)
end
return mattata.send_message(
message.chat.id,
string.format(
'<pre>%s%s has demoted %s%s.</pre>',
message.from.username
and '@'
or '',
message.from.username
or mattata.escape_html(message.from.first_name),
user.username
and '@'
or '',
user.username
or mattata.escape_html(user.first_name)
),
'html'
)
end
return demote

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