From d7b6af91e57a583f00a68828794e3b01f8da27bd Mon Sep 17 00:00:00 2001
From: koreacomp5 <comp5@pluxity.com>
Date: Thu, 9 Oct 2025 17:25:17 +0900
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---
 src/app/api/ranking/route.ts | 27 +++++++++++++++++++++++++++
 src/app/ranking/page.tsx     | 29 +++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 src/app/api/ranking/route.ts
 create mode 100644 src/app/ranking/page.tsx

diff --git a/src/app/api/ranking/route.ts b/src/app/api/ranking/route.ts
new file mode 100644
index 0000000..9e78da1
--- /dev/null
+++ b/src/app/api/ranking/route.ts
@@ -0,0 +1,27 @@
+import { NextResponse } from "next/server";
+import prisma from "@/lib/prisma";
+
+export async function GET(req: Request) {
+  const { searchParams } = new URL(req.url);
+  const period = searchParams.get("period") || "monthly"; // daily/weekly/monthly/all
+  let since: Date | undefined;
+  const now = new Date();
+  if (period === "daily") since = new Date(now.getFullYear(), now.getMonth(), now.getDate());
+  else if (period === "weekly") since = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 7);
+  else if (period === "monthly") since = new Date(now.getFullYear(), now.getMonth(), 1);
+
+  const where = since ? { createdAt: { gte: since } } : {};
+  const agg = await prisma.pointTransaction.groupBy({
+    by: ["userId"],
+    where,
+    _sum: { amount: true },
+    orderBy: { _sum: { amount: "desc" } },
+    take: 50,
+  });
+  const userIds = agg.map((a) => a.userId);
+  const users = await prisma.user.findMany({ where: { userId: { in: userIds } }, select: { userId: true, nickname: true } });
+  const items = agg.map((a) => ({ userId: a.userId, points: a._sum.amount ?? 0, nickname: users.find((u) => u.userId === a.userId)?.nickname || "" }));
+  return NextResponse.json({ period, items });
+}
+
+
diff --git a/src/app/ranking/page.tsx b/src/app/ranking/page.tsx
new file mode 100644
index 0000000..cb3be54
--- /dev/null
+++ b/src/app/ranking/page.tsx
@@ -0,0 +1,29 @@
+"use client";
+import useSWR from "swr";
+
+const fetcher = (url: string) => fetch(url).then((r) => r.json());
+
+export default function RankingPage({ searchParams }: { searchParams?: { period?: string } }) {
+  const period = searchParams?.period ?? "monthly";
+  const { data } = useSWR<{ period: string; items: { userId: string; nickname: string; points: number }[] }>(`/api/ranking?period=${period}`, fetcher);
+  return (
+    <div>
+      <h1>회원랭킹</h1>
+      <div style={{ display: "flex", gap: 8, margin: "8px 0" }}>
+        <a href={`/ranking?period=daily`}>일간</a>
+        <a href={`/ranking?period=weekly`}>주간</a>
+        <a href={`/ranking?period=monthly`}>월간</a>
+        <a href={`/ranking?period=all`}>전체</a>
+      </div>
+      <ol>
+        {(data?.items ?? []).map((i) => (
+          <li key={i.userId}>
+            <strong>{i.nickname}</strong> — {i.points}점
+          </li>
+        ))}
+      </ol>
+    </div>
+  );
+}
+
+