emby列表增加内存缓存

src/app/admin/page.tsx

@@ -3486,6 +3486,30 @@ const EmbyConfigComponent = ({
     });
   };
 
+  const handleClearCache = async () => {
+    await withLoading('clearEmbyCache', async () => {
+      try {
+        const response = await fetch('/api/admin/emby', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({
+            action: 'clearCache',
+          }),
+        });
+
+        const data = await response.json();
+
+        if (data.success) {
+          showSuccess(data.message || '缓存清除成功', showAlert);
+        } else {
+          showError(data.message || '缓存清除失败', showAlert);
+        }
+      } catch (error) {
+        showError(error instanceof Error ? error.message : '缓存清除失败', showAlert);
+      }
+    });
+  };
+
   return (
     <div className='space-y-6'>
       <AlertModal
@@ -3611,6 +3635,17 @@ const EmbyConfigComponent = ({
           {isLoading('saveEmby') ? '保存中...' : '保存配置'}
         </button>
       </div>
+
+      {/* 清除缓存按钮 */}
+      <div className='flex gap-3'>
+        <button
+          onClick={handleClearCache}
+          disabled={isLoading('clearEmbyCache')}
+          className='px-4 py-2 bg-orange-600 hover:bg-orange-700 disabled:bg-orange-400 text-white rounded-lg transition-colors'
+        >
+          {isLoading('clearEmbyCache') ? '清除中...' : '清除缓存'}
+        </button>
+      </div>
     </div>
   );
 };

src/app/api/admin/emby/route.ts

@@ -6,6 +6,7 @@ import { getAuthInfoFromCookie } from '@/lib/auth';
 import { getConfig } from '@/lib/config';
 import { db } from '@/lib/db';
 import { EmbyClient } from '@/lib/emby.client';
+import { clearEmbyCache } from '@/lib/emby-cache';
 
 export const runtime = 'nodejs';
 
@@ -176,6 +177,16 @@ export async function POST(request: NextRequest) {
       });
     }
 
+    if (action === 'clearCache') {
+      // 清除缓存
+      const result = clearEmbyCache();
+      return NextResponse.json({
+        success: true,
+        message: `已清除 ${result.cleared} 条 Emby 缓存`,
+        cleared: result.cleared,
+      });
+    }
+
     return NextResponse.json({ error: '不支持的操作' }, { status: 400 });
   } catch (error) {
     console.error('Emby 配置保存失败:', error);

src/app/api/emby/list/route.ts

@@ -4,6 +4,7 @@ import { NextRequest, NextResponse } from 'next/server';
 
 import { getConfig } from '@/lib/config';
 import { EmbyClient } from '@/lib/emby.client';
+import { getCachedEmbyList, setCachedEmbyList } from '@/lib/emby-cache';
 
 export const runtime = 'nodejs';
 
@@ -13,6 +14,12 @@ export async function GET(request: NextRequest) {
   const pageSize = parseInt(searchParams.get('pageSize') || '20');
 
   try {
+    // 检查缓存
+    const cached = getCachedEmbyList(page, pageSize);
+    if (cached) {
+      return NextResponse.json(cached);
+    }
+
     const config = await getConfig();
     const embyConfig = config.EmbyConfig;
 
@@ -78,13 +85,18 @@ export async function GET(request: NextRequest) {
 
     const totalPages = Math.ceil(result.TotalRecordCount / pageSize);
 
-    return NextResponse.json({
+    const response = {
       success: true,
       list,
       totalPages,
       currentPage: page,
       total: result.TotalRecordCount,
-    });
+    };
+
+    // 缓存结果
+    setCachedEmbyList(page, pageSize, response);
+
+    return NextResponse.json(response);
   } catch (error) {
     console.error('获取 Emby 列表失败:', error);
     return NextResponse.json({

src/lib/emby-cache.ts

@@ -0,0 +1,76 @@
+// Emby 缓存模块 - 用于缓存 Emby 媒体库数据
+
+// 缓存条目接口
+export interface EmbyCachedEntry<T> {
+  expiresAt: number;
+  data: T;
+}
+
+// 缓存配置
+const EMBY_CACHE_TTL_MS = 6 * 60 * 60 * 1000; // 6小时
+const EMBY_CACHE: Map<string, EmbyCachedEntry<any>> = new Map();
+
+/**
+ * 生成 Emby 列表缓存键
+ */
+function makeListCacheKey(page: number, pageSize: number): string {
+  return `emby:list:${page}:${pageSize}`;
+}
+
+/**
+ * 获取缓存的 Emby 列表数据
+ */
+export function getCachedEmbyList(
+  page: number,
+  pageSize: number
+): any | null {
+  const key = makeListCacheKey(page, pageSize);
+  const entry = EMBY_CACHE.get(key);
+  if (!entry) return null;
+
+  // 检查是否过期
+  if (entry.expiresAt <= Date.now()) {
+    EMBY_CACHE.delete(key);
+    return null;
+  }
+
+  return entry.data;
+}
+
+/**
+ * 设置缓存的 Emby 列表数据
+ */
+export function setCachedEmbyList(
+  page: number,
+  pageSize: number,
+  data: any
+): void {
+  const now = Date.now();
+  const key = makeListCacheKey(page, pageSize);
+  EMBY_CACHE.set(key, {
+    expiresAt: now + EMBY_CACHE_TTL_MS,
+    data,
+  });
+}
+
+/**
+ * 清除所有 Emby 缓存
+ */
+export function clearEmbyCache(): { cleared: number } {
+  const size = EMBY_CACHE.size;
+  EMBY_CACHE.clear();
+  return { cleared: size };
+}
+
+/**
+ * 获取缓存统计信息
+ */
+export function getEmbyCacheStats(): {
+  size: number;
+  keys: string[];
+} {
+  return {
+    size: EMBY_CACHE.size,
+    keys: Array.from(EMBY_CACHE.keys()),
+  };
+}