From 5ff9a64e5e162451ed1dd65c44b4f26532177ab9 Mon Sep 17 00:00:00 2001
From: Louis Lam <louislam@users.noreply.github.com>
Date: Thu, 14 Oct 2021 14:42:34 +0800
Subject: [PATCH] [Push Type] Fix missing duration calculation (#685)

---
 server/routers/api-router.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/server/routers/api-router.js b/server/routers/api-router.js
index 0da1fd70..927a5464 100644
--- a/server/routers/api-router.js
+++ b/server/routers/api-router.js
@@ -18,6 +18,7 @@ router.get("/api/entry-page", async (_, response) => {
 
 router.get("/api/push/:pushToken", async (request, response) => {
     try {
+
         let pushToken = request.params.pushToken;
         let msg = request.query.msg || "OK";
         let ping = request.query.ping;
@@ -30,12 +31,20 @@ router.get("/api/push/:pushToken", async (request, response) => {
             throw new Error("Monitor not found or not active.");
         }
 
+        const previousHeartbeatTime = await R.getCell(`
+            SELECT time FROM heartbeat
+            WHERE id = (select MAX(id) from heartbeat where monitor_id = ?)
+        `, [
+            monitor.id
+        ]);
+
         let bean = R.dispense("heartbeat");
         bean.monitor_id = monitor.id;
         bean.time = R.isoDateTime(dayjs.utc());
         bean.status = UP;
         bean.msg = msg;
         bean.ping = ping;
+        bean.duration = dayjs(bean.time).diff(dayjs(previousHeartbeatTime), "second");
 
         await R.store(bean);