- Get start page token for change tracking baseline
- Fetch incremental changes using Google Drive Changes API
- Categorize changes into added, modified, and removed files
- Enable efficient re-indexing of only changed content
- List folder contents with full pagination support
- Query root folder or specific parent folder
- Return both folders and files with metadata (size, icons, links)
- Filter out shortcuts and trashed items
- Download files from Google Drive to temporary location
- Export Google Workspace files as PDF
- Delegate content extraction to existing process_file_in_background
- Reuse Surfsense's ETL services (Unstructured, LlamaCloud, Docling)
- Detect Google Workspace files (Docs, Sheets, Slides)
- Map to PDF export format to preserve rich content (images, formatting)
- Identify files to skip (shortcuts, unsupported types)
- Build and manage Google Drive service with credentials
- List files with query support and pagination
- Download binary files and export Google Workspace files as PDF
- Handle HTTP errors gracefully
