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feat(monitoring): add stats counters API and public status page

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Add GET /api/stats exposing cumulative counters (feeds created/deleted,
emails received/rejected, recent date-times) plus live values (active
feeds, active WebSub subscriptions). Counters persist in a stats:counters
KV singleton and are incremented at the email-processing chokepoint and
feed create/delete paths. Replace the / → /admin redirect with a public
status page rendering these figures with a link to the admin.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Julien Herr
2026-05-23 09:50:51 +02:00
parent f4d5edda0e
commit b534ce5bf8
15 changed files with 484 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/routes/admin/feeds.tsx
+16 -1
View File
@@ -2,6 +2,7 @@ import { Hono } from "hono";
import { z } from "zod";
import { Env, FeedConfig, FeedMetadata } from "../../types";
import { generateFeedId } from "../../utils/id-generator";
import { bumpCounters } from "../../utils/stats";
import { waitUntilSafe } from "../../utils/worker";
import { feedRssUrl, feedEmailAddress } from "../../utils/urls";
import { logger } from "../../lib/logger";
@@ -191,6 +192,11 @@ feedsRouter.post("/create", async (c) => {
expiresAt,
);
await bumpCounters(emailStorage, {
feeds_created: 1,
last_feed_created_at: new Date().toISOString(),
});
if (isJson) {
return c.json({
feedId,
@@ -528,7 +534,10 @@ feedsRouter.post("/:feedId/delete", async (c) => {
try {
await deleteFeedFast(emailStorage, feedId);
await removeFeedFromList(emailStorage, feedId);
const removed = await removeFeedFromList(emailStorage, feedId);
if (removed) {
await bumpCounters(emailStorage, { feeds_deleted: 1 });
}
waitUntilSafe(
c,
@@ -658,6 +667,9 @@ feedsRouter.post("/bulk-delete", async (c) => {
}
const deletedFeedIds = await removeFeedsFromListBulk(emailStorage, okIds);
if (deletedFeedIds.length > 0) {
await bumpCounters(emailStorage, { feeds_deleted: deletedFeedIds.length });
}
const removed = new Set(deletedFeedIds);
okIds.forEach((feedId) => {
@@ -707,6 +719,9 @@ feedsRouter.post("/bulk-delete", async (c) => {
}
const deletedFeedIds = await removeFeedsFromListBulk(emailStorage, okIds);
if (deletedFeedIds.length > 0) {
await bumpCounters(emailStorage, { feeds_deleted: deletedFeedIds.length });
}
return c.redirect(
`${redirectBase}&message=bulkDeleted&count=${deletedFeedIds.length}`,
src/routes/admin/ui.tsx
+3 -2
View File
@@ -8,10 +8,11 @@ const designSystem = [variablesCss, layoutCss, componentsCss, utilitiesCss].join
type LayoutProps = {
title: string;
label?: string;
children: import("hono/jsx").Child;
};
export const Layout = ({ title, children }: LayoutProps) => {
export const Layout = ({ title, label = "admin", children }: LayoutProps) => {
return (
<html>
<head>
@@ -38,7 +39,7 @@ export const Layout = ({ title, children }: LayoutProps) => {
<a href="https://kill-the.news/" class="site-header-logo" target="_blank" rel="noopener">
kill-the-news
</a>
<span class="site-header-label">admin</span>
<span class="site-header-label">{label}</span>
</header>
{children}
<footer class="site-footer">