minetest-telegram-bridge/chat_mod/init.lua

local http_api = minetest.request_http_api()

function tablelength(T)
  local count = 0
  for _ in pairs(T) do count = count + 1 end
  return count
end

function send_messages(res)
	for message in string.gmatch(res["data"], "[^\n]+") do
		if message == "list" then
			local x = minetest.get_connected_players()
			local text = "List of Players ("
			text = text .. tostring(tablelength(x)) .. "/"
			text = text .. tostring(minetest.settings:get("max_users")) .. "):"
			for j, i  in ipairs(x) do
				text = text .. "\n" .. i.get_player_name(i)
			end
			http_api.fetch_async({url = "http://localhost:" .. port .. "/sendCode",
					post_data = {message = text}})
		elseif message == "time" then
			local x = minetest.get_timeofday()
			local text = string.format("%02d:%02d", math.floor(x*24), math.floor((x*24*60) % 60))
			http_api.fetch_async({url = "http://localhost:" .. port .. "/sendCode",
					post_data = {message = text}})
		else
			minetest.chat_send_all(message)
		end
	end
end

function main()
	port = minetest.settings:get("chat_server_port")
	if port == nil then
		port = "9876"
	end
	http_api.fetch({url = "http://localhost:" .. port .. "/get"}, send_messages)
	minetest.after(0.5, main)
end

function dead(player)
	http_api.fetch_async({url = "http://localhost:" .. port .. "/sendCode",
					post_data = {message = player.get_player_name(player) ..
											" died."}})
end

function join(player)
	http_api.fetch_async({url = "http://localhost:" .. port .. "/sendCode",
					post_data = {message = player.get_player_name(player) ..
											" joined the server."}})
end

function left(player)
	http_api.fetch_async({url = "http://localhost:" .. port .. "/sendCode",
					post_data = {message = player.get_player_name(player) ..
											" left the server."}})
end

function chat(name, message)
	http_api.fetch_async({url = "http://localhost:" .. port .. "/send",
					post_data = {message = "<" .. name .. "> " .. message}})
end

if http_api == nil then
	minetest.log("error", "Chat Mod is not in secure.http_mods or secure.trusted_mods. Exiting.")
else
	main()
end
minetest.register_on_dieplayer(dead)
minetest.register_on_joinplayer(join)
minetest.register_on_leaveplayer(left)
minetest.register_on_chat_message(chat)