后端fix

Author: hjy

backendnode/src/logger.ts

@@ -12,6 +12,8 @@ function ts(): string {
 }
 
 export const logger = {
+  /** 启动相关 */
+  startup: (msg: string) => console.log(`${ts()} [STARTUP]  ${msg}`),
   /** DB 初始化相关 */
   db: (msg: string) => console.log(`${ts()} [DB]       ${msg}`),
   /** 扫描进度 */
@@ -20,4 +22,6 @@ export const logger = {
   fs: (msg: string) => console.log(`${ts()} [FS]       ${msg}`),
   /** 压缩任务 */
   compress: (msg: string) => console.log(`${ts()} [COMPRESS] ${msg}`),
+  /** 解压缓存 */
+  extract: (msg: string) => console.log(`${ts()} [EXTRACT]  ${msg}`),
 };

backendnode/src/server.ts

@@ -2,6 +2,8 @@ import { buildApp } from "./app.js";
 import { initDb, getDb } from "./db/client.js";
 import { IndexRepository } from "./db/repository.js";
 import { config } from "./config.js";
+import { logger } from "./logger.js";
+import { clearExtractCache } from "./services/archiveService.js";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
 
@@ -18,10 +20,20 @@ async function main() {
     repo.logActivity("startup", "Server started", "started", "startup");
   } catch { /* ignore */ }
 
+  // 启动时清除解压缓存
+  try {
+    logger.startup("Clearing extract cache...");
+    const cacheResult = clearExtractCache();
+    logger.startup(`Extract cache cleared: ${cacheResult.deleted_files} files, ${cacheResult.freed_size_readable} freed`);
+  } catch (e) {
+    logger.startup(`Failed to clear extract cache: ${e}`);
+  }
+
   const app = buildApp();
 
   try {
     await app.listen({ port: config.PORT, host: config.HOST });
+    logger.startup(`ShiguReader backend running at http://${config.HOST === "0.0.0.0" ? "localhost" : config.HOST}:${config.PORT}`);
     console.log(`ShiguReader backend running at http://${config.HOST === "0.0.0.0" ? "localhost" : config.HOST}:${config.PORT}`);
   } catch (err) {
     app.log.error(err);

backendnode/src/services/archiveService.ts

@@ -67,7 +67,7 @@ function getEntryType(entryPath: string): EntryType {
 // ── cache dir ────────────────────────────────────────────────────────────────
 
 export function getExtractCacheDir(archivePath: string): string {
-  const hash = crypto.createHash("sha256").update(archivePath).digest("hex");
+  const hash = crypto.createHash("sha256").update(archivePath).digest("hex").slice(0, 10);
   const base = path.resolve(config.EXTRACT_CACHE_DIR);
   return path.join(base, hash.slice(0, 2), hash.slice(2));
 }