Upload public.js

backend/src/routes/public.js

@@ -2,7 +2,7 @@ import express from 'express';
 import githubService from '../services/githubService.js';
 import screenshotService from '../services/screenshotService.js';
 // 修正导入路径：从 backend/src 向上两级到 app，再进入 shared
-import { generateSlideHTML, generateExportPage } from '../../../shared/export-utils.js';
+import { generateSlideHTML, generateExportPage, exportPPTToJSON, generateHTMLPresentation } from '../../../shared/export-utils.js';
 
 const router = express.Router();
 
@@ -506,4 +506,120 @@ router.get('/screenshot-health', async (req, res, next) => {
   }
 });
 
+// 新增：PPT JSON导出端点
+router.get('/export-json/:userId/:pptId', async (req, res, next) => {
+  try {
+    const { userId, pptId } = req.params;
+    const fileName = `${pptId}.json`;
+
+    let pptData = null;
+    
+    // Try all GitHub repositories
+    for (let i = 0; i < githubService.repositories.length; i++) {
+      try {
+        const result = await githubService.getFile(userId, fileName, i);
+        if (result) {
+          pptData = result.content;
+          break;
+        }
+      } catch (error) {
+        continue;
+      }
+    }
+
+    if (!pptData) {
+      return res.status(404).json({ error: 'PPT not found' });
+    }
+
+    // 使用共享模块导出JSON
+    const jsonData = exportPPTToJSON(pptData);
+    
+    res.setHeader('Content-Type', 'application/json; charset=utf-8');
+    res.setHeader('Content-Disposition', `attachment; filename="${pptData.title || 'presentation'}.json"`);
+    res.json(jsonData);
+  } catch (error) {
+    next(error);
+  }
+});
+
+// 新增：PPT HTML演示文稿导出端点
+router.get('/export-html/:userId/:pptId', async (req, res, next) => {
+  try {
+    const { userId, pptId } = req.params;
+    const { interactive = 'true', standalone = 'true', css = 'true' } = req.query;
+    const fileName = `${pptId}.json`;
+
+    let pptData = null;
+    
+    // Try all GitHub repositories
+    for (let i = 0; i < githubService.repositories.length; i++) {
+      try {
+        const result = await githubService.getFile(userId, fileName, i);
+        if (result) {
+          pptData = result.content;
+          break;
+        }
+      } catch (error) {
+        continue;
+      }
+    }
+
+    if (!pptData) {
+      return res.status(404).json({ error: 'PPT not found' });
+    }
+
+    // 使用共享模块生成完整HTML演示文稿
+    const htmlContent = generateHTMLPresentation(pptData, {
+      includeInteractivity: interactive === 'true',
+      standalone: standalone === 'true',
+      includeCSS: css === 'true'
+    });
+    
+    res.setHeader('Content-Type', 'text/html; charset=utf-8');
+    res.setHeader('Content-Disposition', `attachment; filename="${pptData.title || 'presentation'}.html"`);
+    res.send(htmlContent);
+  } catch (error) {
+    next(error);
+  }
+});
+
+// 新增：PPT完整演示文稿查看端点（在线查看，非下载）
+router.get('/presentation/:userId/:pptId', async (req, res, next) => {
+  try {
+    const { userId, pptId } = req.params;
+    const fileName = `${pptId}.json`;
+
+    let pptData = null;
+    
+    // Try all GitHub repositories
+    for (let i = 0; i < githubService.repositories.length; i++) {
+      try {
+        const result = await githubService.getFile(userId, fileName, i);
+        if (result) {
+          pptData = result.content;
+          break;
+        }
+      } catch (error) {
+        continue;
+      }
+    }
+
+    if (!pptData) {
+      return res.status(404).send(generateErrorPage('PPT Not Found', 'The presentation you are looking for does not exist.'));
+    }
+
+    // 使用共享模块生成完整HTML演示文稿用于在线查看
+    const htmlContent = generateHTMLPresentation(pptData, {
+      includeInteractivity: true,
+      standalone: true,
+      includeCSS: true
+    });
+    
+    res.setHeader('Content-Type', 'text/html; charset=utf-8');
+    res.send(htmlContent);
+  } catch (error) {
+    next(error);
+  }
+});
+
 export default router;