--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/heartbeat.js.luan	Sat Nov 09 19:17:21 2024 -0700
@@ -0,0 +1,30 @@
+local Luan = require "luan:Luan.luan"
+local error = Luan.error
+local String = require "luan:String.luan"
+local to_number = String.to_number or error()
+local Time = require "luan:Time.luan"
+local time_now = Time.now or error()
+local Io = require "luan:Io.luan"
+local Http = require "luan:http/Http.luan"
+local User = require "site:/lib/User.luan"
+local current_user = User.current or error()
+local Logging = require "luan:logging/Logging.luan"
+local logger = Logging.logger "heartbeat.js"
+
+
+return function()
+	local last_update = Http.request.parameters.last_update or error()
+	last_update = to_number(last_update) or error()
+	local user = current_user() or error()
+	local user_last_update = user.last_update()
+	local now = time_now()
+	if now - user_last_update < 10000 or last_update >= user_last_update then
+		logger.info "ok"
+		return
+	end
+	logger.info "update"
+	Io.stdout = Http.response.text_writer()
+%>
+	resync(<%=user_last_update%>);
+<%
+end