인기글 추가

src/app/api/posts/popular/route.ts

@@ -0,0 +1,92 @@
+import { NextResponse } from "next/server";
+import prisma from "@/lib/prisma";
+
+export async function GET(req: Request) {
+  const { searchParams } = new URL(req.url);
+  const boardId = searchParams.get("boardId");
+  const period = searchParams.get("period") || "daily"; // daily | weekly
+
+  // 날짜 범위 계산
+  const now = new Date();
+  const startOfToday = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0, 0);
+  const endOfToday = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59, 999);
+  const startOfWeek = new Date(now);
+  startOfWeek.setDate(now.getDate() - 7);
+  startOfWeek.setHours(0, 0, 0, 0);
+
+  const dateFilter = period === "daily" 
+    ? { 
+        date: {
+          gte: startOfToday,
+          lte: endOfToday,
+        }
+      }
+    : { date: { gte: startOfWeek } };
+
+  // 일일 조회수 테이블에서 조회수 합계 계산
+  const dailyViews = await prisma.dailyPostView.groupBy({
+    by: ["postId"],
+    where: dateFilter,
+    _sum: {
+      viewCount: true,
+    },
+    orderBy: {
+      _sum: {
+        viewCount: "desc",
+      },
+    },
+    take: 20, // 조회수 상위 20개만 가져와서 게시글 정보 조회
+  });
+
+  if (dailyViews.length === 0) {
+    return NextResponse.json({ items: [], period });
+  }
+
+  const postIds = dailyViews.map((dv) => dv.postId);
+
+  // 게시글 정보 조회
+  const posts = await prisma.post.findMany({
+    where: {
+      id: { in: postIds },
+      status: "published",
+      ...(boardId ? { boardId } : {}),
+    },
+    select: {
+      id: true,
+      title: true,
+      createdAt: true,
+      boardId: true,
+      board: { select: { id: true, name: true, slug: true } },
+      isPinned: true,
+      status: true,
+      author: { select: { userId: true, nickname: true } },
+      stat: { select: { recommendCount: true, views: true, commentsCount: true } },
+      postTags: { select: { tag: { select: { name: true, slug: true } } } },
+    },
+  });
+
+  // 조회수와 게시글 매핑
+  const viewCountMap = new Map(
+    dailyViews.map((dv) => [dv.postId, dv._sum.viewCount ?? 0])
+  );
+
+  // 조회수 순으로 정렬 (조회수가 0보다 큰 것만)
+  const postsWithViews = posts
+    .map((post) => ({
+      ...post,
+      viewCount: viewCountMap.get(post.id) ?? 0,
+    }))
+    .filter((post) => post.viewCount > 0) // 조회수가 0보다 큰 것만
+    .sort((a, b) => {
+      // 고정글 우선
+      if (a.isPinned && !b.isPinned) return -1;
+      if (!a.isPinned && b.isPinned) return 1;
+      // 조회수 순
+      if (b.viewCount !== a.viewCount) return b.viewCount - a.viewCount;
+      // 최신순
+      return new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime();
+    })
+    .slice(0, 5); // 상위 5개만
+
+  return NextResponse.json({ items: postsWithViews, period });
+}