Mobile friendly, lint correction, typescript error clear

app/api/overview/route.ts

@@ -0,0 +1,101 @@
+import { NextResponse } from "next/server";
+import type { NextRequest } from "next/server";
+import { createHash } from "crypto";
+import { prisma } from "@/lib/prisma";
+import { requireSession } from "@/lib/auth/requireSession";
+import { getOverviewData } from "@/lib/overview/getOverviewData";
+
+function toMs(value?: Date | null) {
+  return value ? value.getTime() : 0;
+}
+
+export async function GET(req: NextRequest) {
+  const session = await requireSession();
+  if (!session) {
+    return NextResponse.json({ ok: false, error: "Unauthorized" }, { status: 401 });
+  }
+
+  const url = new URL(req.url);
+  const eventsMode = url.searchParams.get("events") ?? "critical";
+  const eventsWindowSecRaw = Number(url.searchParams.get("eventsWindowSec") ?? "21600");
+  const eventsWindowSec = Number.isFinite(eventsWindowSecRaw) ? eventsWindowSecRaw : 21600;
+  const eventMachinesRaw = Number(url.searchParams.get("eventMachines") ?? "6");
+  const eventMachines = Number.isFinite(eventMachinesRaw) ? Math.max(1, eventMachinesRaw) : 6;
+  const [machineAgg, heartbeatAgg, kpiAgg, eventAgg, orgSettings] = await Promise.all([
+    prisma.machine.aggregate({
+      where: { orgId: session.orgId },
+      _max: { updatedAt: true },
+    }),
+    prisma.machineHeartbeat.aggregate({
+      where: { orgId: session.orgId },
+      _max: { tsServer: true },
+    }),
+    prisma.machineKpiSnapshot.aggregate({
+      where: { orgId: session.orgId },
+      _max: { tsServer: true },
+    }),
+    prisma.machineEvent.aggregate({
+      where: { orgId: session.orgId },
+      _max: { tsServer: true },
+    }),
+    prisma.orgSettings.findUnique({
+      where: { orgId: session.orgId },
+      select: { updatedAt: true, stoppageMultiplier: true, macroStoppageMultiplier: true },
+    }),
+  ]);
+
+  const lastModifiedMs = Math.max(
+    toMs(machineAgg._max.updatedAt),
+    toMs(heartbeatAgg._max.tsServer),
+    toMs(kpiAgg._max.tsServer),
+    toMs(eventAgg._max.tsServer),
+    toMs(orgSettings?.updatedAt)
+  );
+
+  const versionParts = [
+    session.orgId,
+    eventsMode,
+    eventsWindowSec,
+    eventMachines,
+    toMs(machineAgg._max.updatedAt),
+    toMs(heartbeatAgg._max.tsServer),
+    toMs(kpiAgg._max.tsServer),
+    toMs(eventAgg._max.tsServer),
+    toMs(orgSettings?.updatedAt),
+  ];
+
+  const etag = `W/"${createHash("sha1").update(versionParts.join("|")).digest("hex")}"`;
+  const lastModified = new Date(lastModifiedMs || 0).toUTCString();
+  const responseHeaders = new Headers({
+    "Cache-Control": "private, no-cache, max-age=0, must-revalidate",
+    ETag: etag,
+    "Last-Modified": lastModified,
+    Vary: "Cookie",
+  });
+
+  const ifNoneMatch = req.headers.get("if-none-match");
+  if (ifNoneMatch && ifNoneMatch === etag) {
+    return new NextResponse(null, { status: 304, headers: responseHeaders });
+  }
+
+  const ifModifiedSince = req.headers.get("if-modified-since");
+  if (!ifNoneMatch && ifModifiedSince) {
+    const since = Date.parse(ifModifiedSince);
+    if (!Number.isNaN(since) && lastModifiedMs <= since) {
+      return new NextResponse(null, { status: 304, headers: responseHeaders });
+    }
+  }
+
+  const { machines: machineRows, events } = await getOverviewData({
+    orgId: session.orgId,
+    eventsMode,
+    eventsWindowSec,
+    eventMachines,
+    orgSettings,
+  });
+
+  return NextResponse.json(
+    { ok: true, machines: machineRows, events },
+    { headers: responseHeaders }
+  );
+}