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ban.lua
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ban.lua
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--[[
mattata v2.0 - Ban Plugin
]]
local plugin = {}
plugin.name = 'ban'
plugin.category = 'admin'
plugin.description = 'Ban users from a group'
plugin.commands = { 'ban', 'b' }
plugin.help = '/ban [user] [reason] - Bans a user from the current chat.'
plugin.group_only = true
plugin.admin_only = true
local function resolve_target(api, message, ctx)
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 nil, nil end
-- Strip 'for' prefix from reason
if reason and reason:lower():match('^for ') then
reason = reason:sub(5)
end
-- Resolve username to ID
if tonumber(user_id) == nil then
user_id = user_id:match('^@?(.+)$')
user_id = ctx.redis.get('username:' .. user_id:lower())
end
return tonumber(user_id), reason
end
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 = resolve_target(api, message, ctx)
if not user_id then
return api.send_message(message.chat.id, 'Please specify the user to ban, either by replying to their message or providing a username/ID.')
end
if user_id == api.info.id then return end
-- Check target isn't an admin
if permissions.is_group_admin(api, message.chat.id, user_id) then
return api.send_message(message.chat.id, 'I can\'t ban an admin or moderator.')
end
-- Attempt ban
local success = api.ban_chat_member(message.chat.id, user_id)
if not success then
return api.send_message(message.chat.id, 'I don\'t have permission to ban users. Please make sure I\'m an admin with ban rights.')
end
-- Log to database
pcall(function()
ctx.db.insert('bans', {
chat_id = message.chat.id,
user_id = user_id,
banned_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 = 'ban',
reason = reason
})
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 ('\nReason: ' .. tools.escape_html(reason)) or ''
local output = string.format(
'<a href="tg://user?id=%d">%s</a> has banned <a href="tg://user?id=%d">%s</a>.%s',
message.from.id, admin_name, user_id, target_name, reason_text
)
api.send_message(message.chat.id, output, 'html')
-- Clean up messages
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
return plugin

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