Initial open-source self-hosted Songs2YT edition

app/api/account/cancel-subscription/route.ts

@@ -0,0 +1,30 @@
+import { NextResponse } from "next/server";
+import { prisma } from "@/lib/db";
+import { getInitialQuotaResetAt } from "@/lib/quota";
+import { getSessionUser } from "@/lib/session";
+
+export async function POST() {
+  const user = await getSessionUser();
+  if (!user) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+  }
+
+  if (user.plan !== "PREMIUM") {
+    return NextResponse.json({ error: "No active subscription to cancel" }, { status: 400 });
+  }
+
+  await prisma.user.update({
+    where: { id: user.id },
+    data: {
+      plan: "FREE",
+      cardLast4: null,
+      subscribedAt: null,
+      apiKeyHash: null,
+      apiKeyPrefix: null,
+      apiRateLimitBonus: 0,
+      quotaResetAt: getInitialQuotaResetAt(),
+    },
+  });
+
+  return NextResponse.json({ ok: true });
+}