first-update

easy-dataset-main/app/api/projects/[projectId]/preview/[fileId]/route.js

@@ -0,0 +1,42 @@
+import { NextResponse } from 'next/server';
+import fs from 'fs';
+import path from 'path';
+import { getProjectRoot } from '@/lib/db/base';
+import { getUploadFileInfoById } from '@/lib/db/upload-files';
+
+// 获取文件内容
+export async function GET(request, { params }) {
+  try {
+    const { projectId, fileId } = params;
+
+    // 验证参数
+    if (!projectId) {
+      return NextResponse.json({ error: 'Project ID cannot be empty' }, { status: 400 });
+    }
+
+    // 获取项目根目录
+    let fileInfo = await getUploadFileInfoById(fileId);
+    if (!fileInfo) {
+      return NextResponse.json({ error: 'file does not exist' }, { status: 400 });
+    }
+
+    // 获取文件路径
+    let filePath = path.join(fileInfo.path, fileInfo.fileName);
+    if (fileInfo.fileExt !== '.md') {
+      filePath = path.join(fileInfo.path, fileInfo.fileName.replace(/\.[^/.]+$/, '.md'));
+    }
+    //获取文件
+    const buffer = fs.readFileSync(filePath);
+
+    const text = buffer.toString('utf-8');
+
+    return NextResponse.json({
+      fileId: fileId,
+      fileName: fileInfo.fileName,
+      content: text
+    });
+  } catch (error) {
+    console.error('Failed to get text block content:', String(error));
+    return NextResponse.json({ error: error.message || 'Failed to get text block content' }, { status: 500 });
+  }
+}