- Migrated all Pages from Material-UI to HTML+CSS (GroupsOverviewPage, ManagementPortalPage, ModerationGroupImagesPage, ModerationGroupsPage, PublicGroupImagesPage, SlideshowPage, MultiUploadPage)
- Added comprehensive typography system in App.css (h1-h3, p, utility classes)
- Added global Material-UI font overrides for Open Sans
- Removed redundant fontFamily: 'roboto' from all components
- Fixed button alignment in ImageGalleryCard (margin-top: auto)
- Removed emojis from titles for cleaner UI
- Standardized button padding (12px 30px) across application
- Improved code consistency and maintainability with centralized CSS approach
- Add ErrorBoundary component for React error handling
- Create animated error pages (403, 404, 500, 502, 503)
- Implement ErrorAnimation component with seven-segment display
- Add apiClient (axios) and apiFetch (fetch) wrappers with automatic error page redirects
- Migrate critical API calls to use new error handling
- Update font from Roboto to Open Sans across all components
- Remove unused CLIENT_URL from docker-compose files
- Rename 404Page.css to ErrorPage.css for consistency
- Add comprehensive ERROR_HANDLING.md documentation
- Add imageUtils.js helper with getImageSrc() and getGroupPreviewSrc()
- Update ImageGalleryCard to use preview images for galleries
- Update ModerationGroupsPage to show preview images in modal
- Update ModerationGroupImagesPage to use preview images
- Update PublicGroupImagesPage to pass all image fields
- SlideshowPage continues using original images (full quality)
- Update nginx.dev.conf with /api/previews and /api/download routes
- Update start-dev.sh to generate correct nginx config
- Fix GroupRepository.getAllGroupsWithModerationInfo() to return full image data
- Remove obsolete version from docker-compose.override.yml
- Update TODO.md: mark frontend cleanup as completed
Performance: Gallery load times reduced by ~96% (100KB vs 3MB per image)
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.
