timer routes

packages/backend/src/routes/timer/toggle.ts

@@ -0,0 +1,40 @@
+import { calculateBreakTimeMs, calculateWorkTimeMs, isTimerRunning } from "@issue/shared";
+import type { AuthedRequest } from "../../auth/middleware";
+import { appendTimestamp, createTimedSession, getActiveTimedSession } from "../../db/queries";
+
+// POST /timer/toggle?issueId=123
+export default async function timerToggle(req: AuthedRequest) {
+    const url = new URL(req.url);
+    const issueId = url.searchParams.get("issueId");
+    if (!issueId || Number.isNaN(Number(issueId))) {
+        return new Response("missing issue id", { status: 400 });
+    }
+
+    const activeSession = await getActiveTimedSession(req.userId, Number(issueId));
+
+    if (!activeSession) {
+        // no active session, create new one with first timestamp
+        const newSession = await createTimedSession(req.userId, Number(issueId));
+        return Response.json({
+            ...newSession,
+            workTimeMs: 0,
+            breakTimeMs: 0,
+            isRunning: true,
+        });
+    }
+
+    // active session exists, append timestamp (toggle)
+    const updated = await appendTimestamp(activeSession.id, activeSession.timestamps);
+    if (!updated) {
+        return new Response("failed to update timer", { status: 500 });
+    }
+
+    const running = isTimerRunning(updated.timestamps);
+
+    return Response.json({
+        ...updated,
+        workTimeMs: calculateWorkTimeMs(updated.timestamps),
+        breakTimeMs: calculateBreakTimeMs(updated.timestamps),
+        isRunning: running,
+    });
+}