Resolving polling/server migration

lib/machineAuthCache.ts

@@ -0,0 +1,38 @@
+import { prisma } from "@/lib/prisma";
+
+type MachineAuth = { id: string; orgId: string };
+
+const TTL_MS = 60_000;
+const MAX_SIZE = 1000;
+const cache = new Map<string, { value: MachineAuth; expiresAt: number }>();
+
+function makeKey(machineId: string, apiKey: string) {
+  return `${machineId}:${apiKey}`;
+}
+
+export async function getMachineAuth(machineId: string, apiKey: string) {
+  const key = makeKey(machineId, apiKey);
+  const now = Date.now();
+  const hit = cache.get(key);
+
+  if (hit && hit.expiresAt > now) {
+    return hit.value;
+  }
+
+  const machine = await prisma.machine.findFirst({
+    where: { id: machineId, apiKey },
+    select: { id: true, orgId: true },
+  });
+
+  if (!machine) {
+    cache.delete(key);
+    return null;
+  }
+
+  if (cache.size > MAX_SIZE) {
+    cache.clear();
+  }
+
+  cache.set(key, { value: machine, expiresAt: now + TTL_MS });
+  return machine;
+}