feat: 초라한 조회수 차트 구현

app/admin/analytics/page.tsx

@@ -1,9 +1,8 @@
 'use client';
 
-import Link from 'next/link';
 import { useRouter, useSearchParams } from 'next/navigation';
 import { Suspense, useEffect, useState } from 'react';
-import { formatDate } from '@/app/lib/utils/format';
+import PostListItem from '@/app/entities/admin/analytics/PostListItem';
 
 interface PostItem {
   postId: string;
@@ -28,67 +27,25 @@ function SkeletonList() {
     <div className="bg-white dark:bg-gray-900 rounded-xl border border-gray-100 dark:border-gray-700 overflow-hidden animate-pulse">
       <div className="h-8 border-b border-gray-100 dark:border-gray-700 bg-gray-50 dark:bg-gray-800" />
       <ul>
-      {[...Array(20)].map((_, i) => (
-        <li
-          key={i}
-          className="px-4 py-2.5 border-b border-gray-50 dark:border-gray-800 last:border-b-0 flex items-center gap-3"
-        >
-          <div className="h-3.5 w-4 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
-          <div className="h-3.5 flex-1 bg-gray-200 dark:bg-gray-700 rounded" />
-          <div className="h-3 w-16 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
-          <div className="h-3 w-20 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
-          <div className="h-3 w-10 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
-          <div className="h-3.5 w-14 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
-        </li>
-      ))}
+        {[...Array(20)].map((_, i) => (
+          <li
+            key={i}
+            className="px-4 py-2.5 border-b border-gray-50 dark:border-gray-800 last:border-b-0 flex items-center gap-3"
+          >
+            <div className="h-3.5 w-4 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
+            <div className="h-3.5 flex-1 bg-gray-200 dark:bg-gray-700 rounded" />
+            <div className="h-3 w-16 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
+            <div className="h-3 w-20 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
+            <div className="h-3 w-10 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
+            <div className="h-3.5 w-14 bg-gray-200 dark:bg-gray-700 rounded shrink-0" />
+          </li>
+        ))}
       </ul>
     </div>
   );
 }
 
-function PostListItem({
-  post,
-  rank,
-  viewsNode,
-}: {
-  post: PostItem;
-  rank: number;
-  viewsNode: React.ReactNode;
-}) {
-  return (
-    <li className="px-4 py-2.5 border-b border-gray-50 dark:border-gray-800 last:border-b-0 hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors duration-150 flex items-center gap-3 min-w-0">
-      <span className="text-xs text-gray-400 dark:text-gray-500 w-4 shrink-0 text-right">
-        {rank}
-      </span>
-      <Link
-        href={`/posts/${post.slug}`}
-        className="flex-1 text-sm font-medium truncate dark:text-gray-200 hover:text-brand-primary dark:hover:text-brand-secondary transition-colors min-w-0"
-      >
-        {post.title}
-      </Link>
-      <div className=" shrink-0 flex justify-center">
-        {post.seriesTitle ? (
-          <span className="text-xs px-1.5 py-0.5 rounded bg-brand-primary/10 text-brand-primary dark:bg-brand-secondary/10 dark:text-brand-secondary whitespace-nowrap text-nowrap max-w-full">
-            {post.seriesTitle}
-          </span>
-        ) : (
-          <span className="text-xs text-gray-300 dark:text-gray-600">—</span>
-        )}
-      </div>
-      <span className="text-xs text-gray-400 dark:text-gray-500 w-24 shrink-0 text-center">
-        {formatDate(post.date)}
-      </span>
-      <span className="text-xs text-gray-400 dark:text-gray-500 w-12 shrink-0 text-center">
-        ♥ {post.likeCount.toLocaleString()}
-      </span>
-      <span className="text-sm font-semibold shrink-0 w-20 text-right dark:text-gray-200">
-        {viewsNode}
-      </span>
-    </li>
-  );
-}
-
-function AnalyticsContent() {
+const AnalyticsContent = () => {
   const router = useRouter();
   const searchParams = useSearchParams();
   const tab = (searchParams.get('tab') ?? 'all') as TabKey;
@@ -168,6 +125,7 @@ function AnalyticsContent() {
             <span className="w-24 shrink-0 text-center">작성일</span>
             <span className="w-12 shrink-0 text-center">좋아요</span>
             <span className="w-20 shrink-0 text-right">조회수</span>
+            <span className="w-4 shrink-0" />
           </div>
           <ul>
             {posts.map((post, i) => (
@@ -196,7 +154,7 @@ function AnalyticsContent() {
       )}
     </div>
   );
-}
+};
 
 export default function StatsPage() {
   return (

app/api/admin/analytics/referrers/route.ts

@@ -0,0 +1,50 @@
+// GET /api/admin/analytics/referrers?postId=xxx
+import { NextRequest } from 'next/server';
+import { getServerSession } from 'next-auth';
+import dbConnect from '@/app/lib/dbConnect';
+import View from '@/app/models/View';
+
+export const dynamic = 'force-dynamic';
+
+function normalizeReferrer(ref: string): string {
+  if (!ref) return '직접 방문';
+  try {
+    const url = new URL(ref);
+    return url.hostname.replace(/^www\./, '');
+  } catch {
+    return ref;
+  }
+}
+
+export async function GET(request: NextRequest) {
+  try {
+    const session = await getServerSession();
+    if (!session) {
+      return Response.json({ success: false, error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const postId = request.nextUrl.searchParams.get('postId');
+    if (!postId) {
+      return Response.json({ success: false, error: 'postId가 필요합니다.' }, { status: 400 });
+    }
+
+    await dbConnect();
+
+    const views = await View.find({ postId }, { referrer: 1 }).lean();
+
+    const counts: Record<string, number> = {};
+    for (const v of views) {
+      const key = normalizeReferrer((v as { referrer?: string }).referrer ?? '');
+      counts[key] = (counts[key] ?? 0) + 1;
+    }
+
+    const referrers = Object.entries(counts)
+      .map(([source, count]) => ({ source, count }))
+      .sort((a, b) => b.count - a.count);
+
+    return Response.json({ success: true, referrers }, { status: 200 });
+  } catch (error) {
+    console.error('Error fetching referrers:', error);
+    return Response.json({ success: false, error: '유입 경로 통계 불러오기 실패' }, { status: 500 });
+  }
+}

app/api/admin/stats/daily/route.ts

@@ -0,0 +1,57 @@
+// GET /api/admin/stats/daily - 최근 14일간 일별 조회수
+import { getServerSession } from 'next-auth';
+import dbConnect from '@/app/lib/dbConnect';
+import View from '@/app/models/View';
+
+export const dynamic = 'force-dynamic';
+
+export async function GET() {
+  try {
+    const session = await getServerSession();
+    if (!session) {
+      return Response.json({ success: false, error: 'Unauthorized' }, { status: 401 });
+    }
+
+    await dbConnect();
+
+    const now = new Date();
+    const start = new Date(now);
+    start.setDate(start.getDate() - 13);
+    start.setHours(0, 0, 0, 0);
+
+    const views = await View.aggregate([
+      { $match: { createdAt: { $gte: start } } },
+      {
+        $group: {
+          _id: {
+            $dateToString: { format: '%Y-%m-%d', date: '$createdAt', timezone: '+09:00' },
+          },
+          count: { $sum: 1 },
+        },
+      },
+      { $sort: { _id: 1 } },
+    ]);
+
+    // 14일 전체 날짜 배열 생성 (데이터 없는 날은 0)
+    const daily: { date: string; count: number }[] = [];
+    for (let i = 13; i >= 0; i--) {
+      const d = new Date(now);
+      d.setDate(d.getDate() - i);
+      const dateStr = d.toLocaleDateString('ko-KR', {
+        timeZone: 'Asia/Seoul',
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit',
+      }).replace(/\. /g, '-').replace('.', '');
+      // YYYY-MM-DD 형식으로 변환
+      const parts = d.toISOString().slice(0, 10);
+      const found = views.find((v) => v._id === parts);
+      daily.push({ date: parts, count: found ? found.count : 0 });
+    }
+
+    return Response.json({ success: true, daily }, { status: 200 });
+  } catch (error) {
+    console.error('Error fetching daily stats:', error);
+    return Response.json({ success: false, error: '일별 통계 불러오기 실패' }, { status: 500 });
+  }
+}

app/api/posts/view/route.ts

@@ -3,7 +3,7 @@ import dbConnect from '@/app/lib/dbConnect';
 import View from '@/app/models/View';
 
 export const POST = async (request: Request) => {
-  const { postId } = await request.json();
+  const { postId, referrer } = await request.json();
   const fingerprint = request.headers.get('X-Fingerprint') || '';
 
   if (!postId) {
@@ -17,6 +17,9 @@ export const POST = async (request: Request) => {
 
   const existingLike = await View.findOne({ postId, fingerprint });
   if (existingLike) {
+    if (!existingLike.referrer && referrer) {
+      await View.updateOne({ _id: existingLike._id }, { referrer });
+    }
     const viewCount = await View.countDocuments({ postId });
     return Response.json(
       { message: '이미 조회한 유저입니다.', viewCount },
@@ -26,6 +29,7 @@ export const POST = async (request: Request) => {
     const result = await View.create({
       postId,
       fingerprint,
+      referrer: referrer || '',
     });
 
     const viewCount = await View.countDocuments({ postId });

app/entities/admin/analytics/PostListItem.tsx

@@ -0,0 +1,144 @@
+import Link from 'next/link';
+import { useState } from 'react';
+import { FiChevronUp, FiChevronDown } from 'react-icons/fi';
+import { formatDate } from '@/app/lib/utils/format';
+
+interface PostItem {
+  postId: string;
+  title: string;
+  slug: string;
+  date: number;
+  seriesTitle?: string;
+  likeCount: number;
+  totalViews?: number;
+  todayViews: number;
+}
+
+interface Referrer {
+  source: string;
+  count: number;
+}
+
+const PostListItem = ({
+  post,
+  rank,
+  viewsNode,
+}: {
+  post: PostItem;
+  rank: number;
+  viewsNode: React.ReactNode;
+}) => {
+  const [expanded, setExpanded] = useState(false);
+  const [referrers, setReferrers] = useState<Referrer[] | null>(null);
+  const [loadingRef, setLoadingRef] = useState(false);
+
+  const handleToggle = async () => {
+    if (!expanded && referrers === null) {
+      setLoadingRef(true);
+      try {
+        const res = await fetch(
+          `/api/admin/analytics/referrers?postId=${post.postId}`
+        );
+        const data = await res.json();
+        if (data.success) setReferrers(data.referrers);
+      } catch {
+        setReferrers([]);
+      } finally {
+        setLoadingRef(false);
+      }
+    }
+    setExpanded((prev) => !prev);
+  };
+
+  const total = referrers?.reduce((sum, r) => sum + r.count, 0) ?? 0;
+
+  return (
+    <li className="border-b border-gray-50 dark:border-gray-800 last:border-b-0">
+      {/* 메인 행 */}
+      <div className="px-4 py-2.5 hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors duration-150 flex items-center gap-3 min-w-0">
+        <span className="text-xs text-gray-400 dark:text-gray-500 w-4 shrink-0 text-right">
+          {rank}
+        </span>
+        <Link
+          href={`/posts/${post.slug}`}
+          className="flex-1 text-sm font-medium truncate dark:text-gray-200 hover:text-brand-primary dark:hover:text-brand-secondary transition-colors min-w-0"
+        >
+          {post.title}
+        </Link>
+        <div className="shrink-0 flex justify-center">
+          {post.seriesTitle ? (
+            <span className="text-xs px-1.5 py-0.5 rounded bg-brand-primary/10 text-brand-primary dark:bg-brand-secondary/10 dark:text-brand-secondary whitespace-nowrap text-nowrap max-w-full">
+              {post.seriesTitle}
+            </span>
+          ) : (
+            <span className="text-xs text-gray-300 dark:text-gray-600">—</span>
+          )}
+        </div>
+        <span className="text-xs text-gray-400 dark:text-gray-500 w-24 shrink-0 text-center">
+          {formatDate(post.date)}
+        </span>
+        <span className="text-xs text-gray-400 dark:text-gray-500 w-12 shrink-0 text-center">
+          ♥ {post.likeCount.toLocaleString()}
+        </span>
+        <span className="text-sm font-semibold shrink-0 w-20 text-right dark:text-gray-200">
+          {viewsNode}
+        </span>
+        <button
+          onClick={handleToggle}
+          className="shrink-0 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 transition-colors p-0.5"
+          aria-label="유입 경로 보기"
+        >
+          {expanded ? <FiChevronUp size={14} /> : <FiChevronDown size={14} />}
+        </button>
+      </div>
+
+      {/* 드롭다운: 유입 경로 */}
+      {expanded && (
+        <div className="px-6 pb-3 pt-1 bg-gray-50 dark:bg-gray-800/50 border-t border-gray-100 dark:border-gray-700/50">
+          <p className="text-xs text-gray-400 dark:text-gray-500 mb-2">
+            유입 경로
+          </p>
+          {loadingRef ? (
+            <div className="flex gap-2 animate-pulse">
+              {[80, 60, 100].map((w, i) => (
+                <div
+                  key={i}
+                  className={`h-3 bg-gray-200 dark:bg-gray-700 rounded`}
+                  style={{ width: w }}
+                />
+              ))}
+            </div>
+          ) : !referrers || referrers.length === 0 ? (
+            <p className="text-xs text-gray-400 dark:text-gray-500">
+              데이터 없음
+            </p>
+          ) : (
+            <ul className="flex flex-col gap-1.5">
+              {referrers.map(({ source, count }) => {
+                const pct = total > 0 ? Math.round((count / total) * 100) : 0;
+                return (
+                  <li key={source} className="flex items-center gap-3 min-w-0">
+                    <span className="text-xs text-gray-500 dark:text-gray-400 w-36 shrink-0 truncate">
+                      {source}
+                    </span>
+                    <div className="flex-1 h-1.5 bg-gray-200 dark:bg-gray-700 rounded-full overflow-hidden">
+                      <div
+                        className="h-full bg-orange-400 rounded-full"
+                        style={{ width: `${pct}%` }}
+                      />
+                    </div>
+                    <span className="text-xs text-gray-400 dark:text-gray-500 shrink-0 w-16 text-right">
+                      {count.toLocaleString()}회 ({pct}%)
+                    </span>
+                  </li>
+                );
+              })}
+            </ul>
+          )}
+        </div>
+      )}
+    </li>
+  );
+};
+
+export default PostListItem;