chore(api): clean up index file

apps/api/src/controllers/healthcheck.controller.ts

@@ -0,0 +1,78 @@
+import { round } from '@openpanel/common';
+import { TABLE_NAMES, chQuery, db } from '@openpanel/db';
+import { eventsQueue } from '@openpanel/queue';
+import { getRedisCache } from '@openpanel/redis';
+import type { FastifyReply, FastifyRequest } from 'fastify';
+
+async function withTimings<T>(promise: Promise<T>) {
+  const time = performance.now();
+  try {
+    const data = await promise;
+    return {
+      time: round(performance.now() - time, 2),
+      data,
+    } as const;
+  } catch (e) {
+    return null;
+  }
+}
+
+export async function healthcheck(
+  request: FastifyRequest,
+  reply: FastifyReply,
+) {
+  const redisRes = await withTimings(getRedisCache().keys('keys op:buffer:*'));
+  const dbRes = await withTimings(db.project.findFirst());
+  const queueRes = await withTimings(eventsQueue.getCompleted());
+  const chRes = await withTimings(
+    chQuery(
+      `SELECT * FROM ${TABLE_NAMES.events} WHERE created_at > now() - INTERVAL 10 MINUTE LIMIT 1`,
+    ),
+  );
+  const status = redisRes && dbRes && queueRes && chRes ? 200 : 500;
+
+  reply.status(status).send({
+    redis: redisRes
+      ? {
+          ok: !!redisRes.data.length,
+          time: `${redisRes.time}ms`,
+        }
+      : null,
+    db: dbRes
+      ? {
+          ok: !!dbRes.data,
+          time: `${dbRes.time}ms`,
+        }
+      : null,
+    queue: queueRes
+      ? {
+          ok: !!queueRes.data,
+          time: `${queueRes.time}ms`,
+        }
+      : null,
+    ch: chRes
+      ? {
+          ok: !!chRes.data,
+          time: `${chRes.time}ms`,
+        }
+      : null,
+  });
+}
+
+export async function healthcheckQueue(
+  request: FastifyRequest,
+  reply: FastifyReply,
+) {
+  const count = await eventsQueue.getWaitingCount();
+  if (count > 40) {
+    reply.status(500).send({
+      ok: false,
+      count,
+    });
+  } else {
+    reply.status(200).send({
+      ok: true,
+      count,
+    });
+  }
+}