Enhanced File Handling: File Support, Improved UI, and Robust Processing

[Anajrim01]

This pull request significantly enhances the application's file handling and preview capabilities by introducing robust support for file uploads. It primarily focuses on improving document handling, particularly for PDFs and various text-based formats. Future updates will further expand supported formats and refine the processing mechanisms.

Features

• Document Upload:
  • Extract text and images from PDF files.
  • Inline positioning of text and images extracted from PDFs.
  • Support for text-based formats such as .py, .cs, .cpp, .c, .txt, and .csv files.
• UI Enhancements:
  • Improved design for displaying attachments, including images and document contents.
  • Clear feedback and handling for file upload limits and unsupported file types.

Code Changes

• File Handling:
  • Integrated pdfjs-dist library for handling PDF files.
  • Implemented functions for loading PDFs, extracting text content, and extracting image data.
  • Updated fileUtils.ts (now fileHandler.ts) to process and handle different file types, including advanced extraction for PDFs.
  • Added readFileAsArrayBuffer function for reading files as an ArrayBuffer.
  • Refactored multiple utilities to support additional formats and improved error handling.
• Chat and UI Enhancements:
  • Updated ChatInput.svelte to handle file input and display attachments.
  • Enhanced markdownUtils.ts to render attachments properly in the UI.
  • Adjusted suggestChatTitle logic in shared.ts for better integration with supported models and file attachments.
  • Improved attachment visualization - fixed bugs related to attachment deletion and incorrect image linking.
  • Redesigned layout and attachment display for better user experience.
  • Improved FileDropzone for smoother file uploads.
• Technical Improvements:
  • Added async-mutex to package.json for better async operation management.
  • Enhanced Rollup configuration in vite.config.ts to split third-party modules into separate chunks.
  • Updated dependencies for security and performance.

Detailed Commits

• PDF Support and Extraction:
  • Implement functions for loading, text extraction, and image data handling.
  • Improve error handling and logging for PDF processing.
• File Attachment Rendering:
  • Modify renderContentArray function in markdownUtils.ts for better file attachment display.
  • Extend ChatContent interface to support file attachments.
  • Add better feedback mechanisms for file uploads and skipped files.
• Model-specific Image Handling:
  • Ensure images are parsed only when using OpenAI models.
  • Add validation for image upload limit.
• General Enhancements:
  • Improve chat message support for attachments.
  • Refactor UI components for clearer error messages and smoother file handling.
  • Optimize performance and remove redundant code.

To-Do List

• [x] Expand support for additional document and text-based formats.
• [x] Ensure precise image parsing for OpenAI models.
• [x] Write and execute comprehensive tests for file upload functionalities, covering edge cases and potential failures.
• [x] Refine the User Interface for better visual consistency and responsive design.
• [x] Update user documentation to include the new file upload feature.
• [x] Add system prompt for better user guidance.
• [x] Conduct a general code review and refactor for optimization.
• [x] Update Proxy API to accommodate new file upload features (or join ChatContent array on client-side).
• [x] ~~Limit file size so it doesn't exceed max token limit (model specific).~~

This set of changes collectively boosts the application's ability to handle various file formats, improves user experience through refined UI, and ensures robust processing and previewing of uploaded files.

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Name	Status	Preview	Comments	Updated (UTC)
slickgpt	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 15, 2024 0:22am

[Anajrim01]

Hello @Shackless, I've tried to make everything as clear to understand as possible. Also some small UI improvements here and there for a more seamless UX.