Update bot.lua

[ghost]

local receiver = get_receiver(msg)

-- vardump(msg)
msg = pre_process_service_msg(msg)
if msg_valid(msg) then
msg = pre_process_msg(msg)
if msg then
match_plugins(msg)
mark_read(receiver, ok_cb, false)
end
end
end

function ok_cb(extra, success, result)
end

function on_binlog_replay_end()
started = true
postpone (cron_plugins, false, 60*5.0)
-- See plugins/isup.lua as an example for cron

_config = load_config()

-- load plugins
plugins = {}
load_plugins()
end

function msg_valid(msg)
-- Don't process outgoing messages
if msg.out then
print('\27[36mNot valid: msg from us\27[39m')
return false
end

-- Before bot was started
if msg.date < now then
print('\27[36mNot valid: old msg\27[39m')
return false
end

if msg.unread == 0 then
print('\27[36mNot valid: readed\27[39m')
return false
end

if not msg.to.id then
print('\27[36mNot valid: To id not provided\27[39m')
return false
end

if not msg.from.id then
print('\27[36mNot valid: From id not provided\27[39m')
return false
end

if msg.from.id == our_id then
print('\27[36mNot valid: Msg from our id\27[39m')
return false
end

if msg.to.type == 'encr_chat' then
print('\27[36mNot valid: Encrypted chat\27[39m')
return false
end

if msg.from.id == 777000 then
print('\27[36mNot valid: Telegram message\27[39m')
return false
end

return true
end

function pre_process_service_msg(msg)
if msg.service then
local action = msg.action or {type=""}
-- Double ! to discriminate of normal actions
msg.text = "!!tgservice " .. action.type

  -- wipe the data to allow the bot to read service messages
  if msg.out then
     msg.out = false
  end
  if msg.from.id == our_id then
     msg.from.id = 0
  end

end
return msg
end

-- Apply plugin.pre_process function
function pre_process_msg(msg)
for name,plugin in pairs(plugins) do
if plugin.pre_process and msg then
print('Preprocess', name)
msg = plugin.pre_process(msg)
end
end

return msg
end

-- Go over enabled plugins patterns.
function match_plugins(msg)
for name, plugin in pairs(plugins) do
match_plugin(plugin, name, msg)
end
end

-- Check if plugin is on _config.disabled_plugin_on_chat table
local function is_plugin_disabled_on_chat(plugin_name, receiver)
local disabled_chats = _config.disabled_plugin_on_chat
-- Table exists and chat has disabled plugins
if disabled_chats and disabled_chats[receiver] then
-- Checks if plugin is disabled on this chat
for disabled_plugin,disabled in pairs(disabled_chats[receiver]) do
if disabled_plugin == plugin_name and disabled then
local warning = 'Plugin '..disabled_plugin..' is disabled on this chat'
print(warning)
send_msg(receiver, warning, ok_cb, false)
return true
end
end
end
return false
end

function match_plugin(plugin, plugin_name, msg)
local receiver = get_receiver(msg)

-- Go over patterns. If one matches it's enough.
for k, pattern in pairs(plugin.patterns) do
local matches = match_pattern(pattern, msg.text)
if matches then
print("msg matches: ", pattern)

  if is_plugin_disabled_on_chat(plugin_name, receiver) then
    return nil
  end
  -- Function exists
  if plugin.run then
    -- If plugin is for privileged users only
    if not warns_user_not_allowed(plugin, msg) then
      local result = plugin.run(msg, matches)
      if result then
        send_large_msg(receiver, result)
      end
    end
  end
  -- One patterns matches
  return
end

end
end

-- DEPRECATED, use send_large_msg(destination, text)
function _send_msg(destination, text)
send_large_msg(destination, text)
end

-- Save the content of _config to config.lua
function save_config( )
serialize_to_file(_config, './data/config.lua')
print ('saved config into ./data/config.lua')
end

-- Returns the config from config.lua file.
-- If file doesn't exist, create it.
function load_config( )
local f = io.open('./data/config.lua', "r")
-- If config.lua doesn't exist
if not f then
print ("Created new config file: data/config.lua")
create_config()
else
f:close()
end
local config = loadfile ("./data/config.lua")()
for v,user in pairs(config.sudo_users) do
print("Allowed user: " .. user)
end
return config
end

-- Create a basic config.json file and saves it.
function create_config( )
-- A simple config with basic plugins and ourselves as privileged user
config = {
enabled_plugins = {
"9gag",
"eur",
"echo",
"btc",
"get",
"giphy",
"google",
"gps",
"help",
"id",
"images",
"img_google",
"location",
"media",
"plugins",
"channels",
"set",
"stats",
"time",
"version",
"weather",
"xkcd",
"youtube" },
sudo_users = {our_id},
disabled_channels = {}
}
serialize_to_file(config, './data/config.lua')
print ('saved config into ./data/config.lua')
end

function on_our_id (id)
our_id = id
end

function on_user_update (user, what)
--vardump (user)
end

function on_chat_update (chat, what)
--vardump (chat)
end

function on_secret_chat_update (schat, what)
--vardump (schat)
end

function on_get_difference_end ()
end

-- Enable plugins in config.json
function load_plugins()
for k, v in pairs(_config.enabled_plugins) do
print("Loading plugin", v)

local ok, err =  pcall(function()
  local t = loadfile("plugins/"..v..'.lua')()
  plugins[v] = t
end)

if not ok then
  print('\27[31mError loading plugin '..v..'\27[39m')
  print('\27[31m'..err..'\27[39m')
end

end
end

-- Call and postpone execution for cron plugins
function cron_plugins()

for name, plugin in pairs(plugins) do
-- Only plugins with cron function
if plugin.cron ~= nil then
plugin.cron()
end
end

-- Called again in 5 mins
postpone (cron_plugins, false, 5*60.0)
end

-- Start and load values
our_id = 0
now = os.time()
math.randomseed(now)
started = false