Upload githubService.js

backend/src/services/githubService.js

@@ -116,21 +116,24 @@ class GitHubService {
     const { owner, repo } = this.parseRepoUrl(repoUrl);
     const path = `users/${userId}/${fileName}`;
 
+    console.log(`Attempting to save file: ${path} to repo: ${owner}/${repo}`);
+
     // 先尝试获取现有文件的SHA
     let sha = null;
     try {
       const existing = await this.getFile(userId, fileName, repoIndex);
       if (existing) {
         sha = existing.sha;
+        console.log(`Found existing file with SHA: ${sha}`);
       }
     } catch (error) {
-      // 忽略获取SHA的错误
+      console.log(`No existing file found: ${error.message}`);
     }
 
     const content = Buffer.from(JSON.stringify(data, null, 2)).toString('base64');
 
     const payload = {
-      message: `Update ${fileName} for user ${userId}`,
+      message: `${sha ? 'Update' : 'Create'} ${fileName} for user ${userId}`,
       content: content,
       branch: 'main'
     };
@@ -139,18 +142,74 @@ class GitHubService {
       payload.sha = sha;
     }
 
-    const response = await axios.put(
-      `${this.apiUrl}/repos/${owner}/${repo}/contents/${path}`,
-      payload,
-      {
-        headers: {
-          'Authorization': `token ${this.token}`,
-          'Accept': 'application/vnd.github.v3+json'
+    try {
+      console.log(`Saving to GitHub: ${this.apiUrl}/repos/${owner}/${repo}/contents/${path}`);
+      
+      const response = await axios.put(
+        `${this.apiUrl}/repos/${owner}/${repo}/contents/${path}`,
+        payload,
+        {
+          headers: {
+            'Authorization': `token ${this.token}`,
+            'Accept': 'application/vnd.github.v3+json'
+          }
         }
-      }
-    );
+      );
 
-    return response.data;
+      console.log(`Successfully saved to GitHub: ${response.data.commit.sha}`);
+      return response.data;
+    } catch (error) {
+      console.error(`GitHub save failed: ${error.message}`);
+      
+      // 如果是404错误，可能是目录不存在，尝试创建
+      if (error.response?.status === 404) {
+        try {
+          console.log('Attempting to create directory structure...');
+          
+          // 先创建用户目录的README
+          const readmePath = `users/${userId}/README.md`;
+          const readmeContent = Buffer.from(`# PPT Files for User ${userId}\n\nThis directory contains PPT files for user ${userId}.\n`).toString('base64');
+          
+          await axios.put(
+            `${this.apiUrl}/repos/${owner}/${repo}/contents/${readmePath}`,
+            {
+              message: `Create user directory for ${userId}`,
+              content: readmeContent,
+              branch: 'main'
+            },
+            {
+              headers: {
+                'Authorization': `token ${this.token}`,
+                'Accept': 'application/vnd.github.v3+json'
+              }
+            }
+          );
+          
+          console.log('User directory created, retrying PPT save...');
+          
+          // 重试保存PPT文件
+          const retryResponse = await axios.put(
+            `${this.apiUrl}/repos/${owner}/${repo}/contents/${path}`,
+            payload,
+            {
+              headers: {
+                'Authorization': `token ${this.token}`,
+                'Accept': 'application/vnd.github.v3+json'
+              }
+            }
+          );
+          
+          console.log(`Successfully saved to GitHub after retry: ${retryResponse.data.commit.sha}`);
+          return retryResponse.data;
+          
+        } catch (retryError) {
+          console.error(`Retry also failed: ${retryError.message}`);
+          throw new Error(`Failed to save to GitHub: ${retryError.message}`);
+        }
+      } else {
+        throw new Error(`GitHub API error: ${error.response?.data?.message || error.message}`);
+      }
+    }
   }
 
   // 获取用户的所有PPT列表