Update src/deepnote-content-provider.ts

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: andyjakubowski

src/deepnote-content-provider.ts

@@ -17,8 +17,21 @@ export class DeepnoteContentProvider extends RestContentProvider {
     }
 
     // Call custom API route to fetch the Deepnote file content
-    const data = await requestAPI<any>(`file?path=${localPath}`);
-    const modelData = data.deepnoteFileModel;
+    // Call custom API route to fetch the Deepnote file content
+-   const data = await requestAPI<any>(`file?path=${localPath}`);
+   let data: any;
+   try {
+     data = await requestAPI<any>(`file?path=${encodeURIComponent(localPath)}`);
+   } catch (error) {
+     console.error(`Failed to fetch Deepnote file: ${localPath}`, error);
+     throw new Error(`Failed to fetch .deepnote file: ${error}`);
+   }
+
+   if (!data.deepnoteFileModel) {
+     throw new Error(`Invalid API response: missing deepnoteFileModel for ${localPath}`);
+   }
+
+   const modelData = data.deepnoteFileModel;
 
     // Transform the Deepnote YAML to Jupyter notebook content
     const notebookContent = await transformDeepnoteYamlToNotebookContent(