From dcc2dbb27816b934dd31e89f70087b09c10defef Mon Sep 17 00:00:00 2001
From: lyc8503 <me@lyc8503.net>
Date: Sun, 30 Jun 2024 21:54:57 +0800
Subject: [PATCH] remove old incident, keep history only for 90d

---
 README.md           |  4 ++--
 worker/src/index.ts | 22 +++++++++++++++++++++-
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 74057fd..242284c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# 📈[UptimeFlare](https://github.com/lyc8503/UptimeFlare)
+# ✔[UptimeFlare](https://github.com/lyc8503/UptimeFlare)
 
 A more advanced, serverless, and free uptime monitoring & status page solution, powered by Cloudflare Workers, complete with a user-friendly interface.
 
@@ -44,4 +44,4 @@ Please refer to [Wiki](https://github.com/lyc8503/UptimeFlare/wiki)
 - [ ] SSL certificate checks
 - [ ] Self-host Dockerfile
 - [ ] Incident timeline
-- [ ] Remove old incidents
+- [x] Remove old incidents
diff --git a/worker/src/index.ts b/worker/src/index.ts
index cb79387..3fe7478 100644
--- a/worker/src/index.ts
+++ b/worker/src/index.ts
@@ -283,7 +283,27 @@ export default {
         latencyLists.all.shift()
       }
       state.latency[monitor.id] = latencyLists
-      // TODO: discard old incidents
+
+      // discard old incidents
+      let incidentList = state.incident[monitor.id]
+      while (incidentList.length > 0 && incidentList[0].end && incidentList[0].end < currentTimeSecond - 90 * 24 * 60 * 60) {
+        incidentList.shift()
+      }
+
+      if (incidentList.length == 0 || (
+        incidentList[0].start[0] > currentTimeSecond - 90 * 24 * 60 * 60 &&
+        incidentList[0].error[0] != 'dummy'
+      )) {
+        // put the dummy incident back
+        incidentList.unshift(
+          {
+            start: [currentTimeSecond - 90 * 24 * 60 * 60],
+            end: currentTimeSecond - 90 * 24 * 60 * 60,
+            error: ['dummy'],
+          }
+        )
+      }
+      state.incident[monitor.id] = incidentList
 
       statusChanged ||= monitorStatusChanged
     }