🎉 初始化项目

web-app/src/endpoints/backups.js

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+import express from 'express';
+import fs, { promises as fsPromises } from 'node:fs';
+import path from 'node:path';
+import sanitize from 'sanitize-filename';
+import { CHAT_BACKUPS_PREFIX, getChatInfo } from './chats.js';
+
+export const router = express.Router();
+
+router.post('/chat/get', async (request, response) => {
+    try {
+        const backupModels = [];
+        const backupFiles = await fsPromises
+            .readdir(request.user.directories.backups, { withFileTypes: true })
+            .then(d => d .filter(d => d.isFile() && path.extname(d.name) === '.jsonl' && d.name.startsWith(CHAT_BACKUPS_PREFIX)).map(d => d.name));
+
+        for (const name of backupFiles) {
+            const filePath = path.join(request.user.directories.backups, name);
+            const info = await getChatInfo(filePath);
+            if (!info || !info.file_name) {
+                continue;
+            }
+            backupModels.push(info);
+        }
+
+        return response.json(backupModels);
+    } catch (error) {
+        console.error(error);
+        return response.sendStatus(500);
+    }
+});
+
+router.post('/chat/delete', async (request, response) => {
+    try {
+        const { name } = request.body;
+        const filePath = path.join(request.user.directories.backups, sanitize(name));
+
+        if (!path.parse(filePath).base.startsWith(CHAT_BACKUPS_PREFIX)) {
+            console.warn('Attempt to delete non-chat backup file:', name);
+            return response.sendStatus(400);
+        }
+
+        if (!fs.existsSync(filePath)) {
+            return response.sendStatus(404);
+        }
+
+        await fsPromises.unlink(filePath);
+        return response.sendStatus(200);
+    }
+    catch (error) {
+        console.error(error);
+        return response.sendStatus(500);
+    }
+});
+
+router.post('/chat/download', async (request, response) => {
+    try {
+        const { name } = request.body;
+        const filePath = path.join(request.user.directories.backups, sanitize(name));
+
+        if (!path.parse(filePath).base.startsWith(CHAT_BACKUPS_PREFIX)) {
+            console.warn('Attempt to download non-chat backup file:', name);
+            return response.sendStatus(400);
+        }
+
+        if (!fs.existsSync(filePath)) {
+            return response.sendStatus(404);
+        }
+
+        return response.download(filePath);
+    }
+    catch (error) {
+        console.error(error);
+        return response.sendStatus(500);
+    }
+});