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warn.lua
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warn.lua
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--[[
mattata v2.0 - Warn Plugin
Warning system with configurable max warnings and auto-ban.
]]
local plugin = {}
plugin.name = 'warn'
plugin.category = 'admin'
plugin.description = 'Warn users with auto-ban threshold'
plugin.commands = { 'warn' }
plugin.help = '/warn [user] [reason] - Warns a user. After reaching max warnings, user is banned.'
plugin.group_only = true
plugin.admin_only = true
local DEFAULT_MAX_WARNINGS = 3
function plugin.on_message(api, message, ctx)
local tools = require('telegram-bot-lua.tools')
local permissions = require('src.core.permissions')
if not permissions.can_restrict(api, message.chat.id) then
return api.send_message(message.chat.id, 'I need the "Ban Users" admin permission to use this command.')
end
local user_id, reason
if message.reply and message.reply.from then
user_id = message.reply.from.id
reason = message.args
elseif message.args then
local input = message.args
if input:match('^(%S+)%s+(.+)$') then
user_id, reason = input:match('^(%S+)%s+(.+)$')
else
user_id = input
end
end
if not user_id then
return api.send_message(message.chat.id, 'Please specify the user to warn.')
end
if tonumber(user_id) == nil then
local name = user_id:match('^@?(.+)$')
user_id = ctx.redis.get('username:' .. name:lower())
end
user_id = tonumber(user_id)
if not user_id or user_id == api.info.id then return end
if permissions.is_group_admin(api, message.chat.id, user_id) then
return api.send_message(message.chat.id, 'I can\'t warn an admin or moderator.')
end
-- Increment warning count
local hash = string.format('chat:%s:%s', message.chat.id, user_id)
local amount = ctx.redis.hincrby(hash, 'warnings', 1)
local max_warnings = tonumber(ctx.session.get_setting(message.chat.id, 'max warnings')) or DEFAULT_MAX_WARNINGS
-- Auto-ban if threshold reached
if tonumber(amount) >= max_warnings then
api.ban_chat_member(message.chat.id, user_id)
end
-- Log to database
pcall(function()
ctx.db.insert('warnings', {
chat_id = message.chat.id, user_id = user_id,
warned_by = message.from.id, reason = reason
})
ctx.db.insert('admin_actions', {
chat_id = message.chat.id, admin_id = message.from.id,
target_id = user_id, action = 'warn', reason = reason
})
end)
if reason and reason:lower():match('^for ') then reason = reason:sub(5) end
local admin_name = tools.escape_html(message.from.first_name)
local target_info = api.get_chat(user_id)
local target_name = target_info and target_info.result and tools.escape_html(target_info.result.first_name) or tostring(user_id)
local reason_text = reason and (', for ' .. tools.escape_html(reason)) or ''
local output
if tonumber(amount) >= max_warnings then
output = string.format(
'<a href="tg://user?id=%d">%s</a> has warned <a href="tg://user?id=%d">%s</a>%s.\n<b>%d/%d warnings reached - user has been banned.</b>',
message.from.id, admin_name, user_id, target_name, reason_text, amount, max_warnings
)
else
output = string.format(
'<a href="tg://user?id=%d">%s</a> has warned <a href="tg://user?id=%d">%s</a>%s. [%d/%d]',
message.from.id, admin_name, user_id, target_name, reason_text, amount, max_warnings
)
end
local keyboard = api.inline_keyboard():row(
api.row():callback_data_button(
'Reset Warnings', string.format('warn:reset:%s:%s', message.chat.id, user_id)
):callback_data_button(
'Remove 1', string.format('warn:remove:%s:%s', message.chat.id, user_id)
)
)
api.send_message(message.chat.id, output, 'html', true, false, nil, keyboard)
if message.reply then
pcall(function() api.delete_message(message.chat.id, message.reply.message_id) end)
end
pcall(function() api.delete_message(message.chat.id, message.message_id) end)
end
function plugin.on_callback_query(api, callback_query, message, ctx)
local tools = require('telegram-bot-lua.tools')
local permissions = require('src.core.permissions')
if callback_query.data:match('^reset:%-?%d+:%d+$') then
local chat_id, user_id = callback_query.data:match('^reset:(%-?%d+):(%d+)$')
if not permissions.is_group_admin(api, tonumber(chat_id), callback_query.from.id) then
return api.answer_callback_query(callback_query.id, 'You need to be an admin.')
end
ctx.redis.hdel(string.format('chat:%s:%s', chat_id, user_id), 'warnings')
local name = callback_query.from.username and ('@' .. callback_query.from.username) or tools.escape_html(callback_query.from.first_name)
return api.edit_message_text(message.chat.id, message.message_id,
'<pre>Warnings reset by ' .. name .. '!</pre>', 'html')
elseif callback_query.data:match('^remove:%-?%d+:%d+$') then
local chat_id, user_id = callback_query.data:match('^remove:(%-?%d+):(%d+)$')
if not permissions.is_group_admin(api, tonumber(chat_id), callback_query.from.id) then
return api.answer_callback_query(callback_query.id, 'You need to be an admin.')
end
local hash = string.format('chat:%s:%s', chat_id, user_id)
local amount = ctx.redis.hincrby(hash, 'warnings', -1)
if tonumber(amount) < 0 then
ctx.redis.hincrby(hash, 'warnings', 1)
return api.answer_callback_query(callback_query.id, 'No warnings to remove!')
end
local max_warnings = tonumber(ctx.session.get_setting(tonumber(chat_id), 'max warnings')) or DEFAULT_MAX_WARNINGS
local name = callback_query.from.username and ('@' .. callback_query.from.username) or tools.escape_html(callback_query.from.first_name)
return api.edit_message_text(message.chat.id, message.message_id,
string.format('<pre>Warning removed by %s! [%s/%s]</pre>', name, amount, max_warnings), 'html')
end
end
return plugin

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