🆕 Added feature highlights:
- Drag-and-Drop Image Reordering for admins
- Touch-friendly interface with mobile optimization
- Slideshow integration with custom ordering
- Admin panel for content curation
- Optimistic UI updates with error recovery
Updated 'What's New' section with January 2025 features
Enhanced feature list with technical capabilities
✅ All 9 tasks completed successfully:
- Backend API with SQL transactions and validation
- Frontend drag-and-drop with @dnd-kit and touch support
- Admin-only reordering in ModerationGroupImagesPage
- Public users cannot reorder (PublicGroupImagesPage)
- Slideshow integration via upload_order
- Optimistic updates with error rollback
- Comprehensive testing and error handling
- Performance: 10 images reordered in 0.148s
Feature ready for production deployment.
- Created comprehensive FEATURE_PLAN-reordering.md with 9 tasks in 3 phases
- Must-Have: Touch-Support for mobile drag-and-drop
- Admin-only: Reordering restricted to ModerationGroupImagesPage
- Public users cannot reorder images (security restriction)
- Technical approach: @dnd-kit/core + PUT /api/groups/:groupId/reorder
- Estimated: 10-12 hours over 2-3 days
- Add .github/ISSUES/upgrade-deps-react-node-20251028.md with analysis summary
- Add docs/UPGRADE_PLAN-upgrade-deps-react-node-20251028.md with detailed plan and steps
Branch: upgrade/deps-react-node-20251028
Major Frontend Refactoring:
- Replace ImagePreviewGallery with unified ImageGallery/ImageGalleryCard components
- Support 4 display modes: group, moderation, preview, single-image
- Add hidePreview prop to conditionally hide group preview images
- Unified grid layout with responsive 3/2/1 column design
- Remove 15+ legacy files and components
- Delete UploadedImagePage, SocialMedia components, old upload components
- Remove unused CSS files (GroupCard.css, Image.css/scss)
- Clean up /upload/:image_url route from App.js
- Fix image preview functionality in MultiUploadPage
- Convert File objects to blob URLs with URL.createObjectURL()
- Add proper memory cleanup with URL.revokeObjectURL()
- Improve page navigation and layout
- Fix GroupsOverviewPage to route to /groups/:groupId detail page
- Adjust PublicGroupImagesPage spacing and layout
- Fix ModerationGroupsPage duplicate stats section
CSS Refactoring:
- Rename GroupCard.css → ImageGallery.css with updated class names
- Maintain backward compatibility with legacy class names
- Fix grid stretching with fixed 3-column layout
Development Environment:
- Add docker-compose.override.yml for local development
- Create Dockerfile.dev with hot-reload support
- Add start-dev.sh and nginx.dev.conf
- Update README.dev.md with development setup instructions
Production Build:
- Fix frontend/Dockerfile multi-stage build (as → AS)
- Update prod.sh to explicitly use docker-compose.yml (ignore override)
- Resolve node:18-alpine image corruption issue
- Backend Dockerfile improvements for Node 14 compatibility
Documentation:
- Update TODO.md marking completed frontend tasks
- Clean up docs/images directory
- Update README.md with current project status
All changes tested and verified in both development and production environments.
