1 local store = module:open_store("lastlog2");

     2 

     3 local measure_d1 = module:measure("active_users_1d", "amount");

     4 local measure_d7 = module:measure("active_users_7d", "amount");

     5 local measure_d30 = module:measure("active_users_30d", "amount");

     6 

     7 function update_calculations()

     8 	module:log("debug", "Calculating active users");

     9 	local host_user_sessions = prosody.hosts[module.host].sessions;

    10 	local active_d1, active_d7, active_d30 = 0, 0, 0;

    11 	local now = os.time();

    12 	for username in store:users() do

    13 		if host_user_sessions[username] then

    14 			-- Active now

    15 			active_d1, active_d7, active_d30 =

    16 				active_d1 + 1, active_d7 + 1, active_d30 + 1;

    17 		else

    18 			local lastlog_data = store:get(username);

    19 			if lastlog_data then

    20 				-- Due to server restarts/crashes/etc. some events

    21 				-- may not always get recorded, so we'll just take the

    22 				-- latest as a sign of last activity

    23 				local last_active = math.max(

    24 					lastlog_data.login and lastlog_data.login.timestamp or 0,

    25 					lastlog_data.logout and lastlog_data.logout.timestamp or 0

    26 				);

    27 				if now - last_active < 86400 then

    28 					active_d1 = active_d1 + 1;

    29 				end

    30 				if now - last_active < 86400*7 then

    31 					active_d7 = active_d7 + 1;

    32 				end

    33 				if now - last_active < 86400*30 then

    34 					active_d30 = active_d30 + 1;

    35 				end

    36 			end

    37 		end

    38 	end

    39 	module:log("debug", "Active users (took %ds): %d (24h), %d (7d), %d (30d)", os.time()-now, active_d1, active_d7, active_d30);

    40 	measure_d1(active_d1);

    41 	measure_d7(active_d7);

    42 	measure_d30(active_d30);

    43 

    44 	return 3600 + (300*math.random());

    45 end

    46 

    47 module:add_timer(15, update_calculations);