- Add request-level user bookmark memoization in BookmarkStatusSerializer to eliminate redundant queries across all lists
- Optimize BookReferenceSyncView and BookReference.authors caching (reduced queries from 185 to 10)
- Add multi-level prefetch_related for references and images in HadisMainListView (reduced queries from 109 to 6)
- Add incremental sync support (updated_after/since) in HadisSyncView
- Add select_related for language in BookListView (reduced queries from 35 to 18)
- Annotate episode count and cache effective_thumbnail in podcast and video playlist views (reduced queries from 22/17 to 4)
- Prefetch categories with annotated article counts in ArticleListAPIView (reduced queries from 41 to 3)
- Scale Gunicorn workers/threads to 4w/4t (16 concurrency) with gthread in docker-compose.prod.yml
- Add Redis caching (2h TTL) to categories, collections, and pinned collections in video, library, article, podcast, and dobodbi_calendar (6h TTL)
- Implement conditional_cached_view (30m TTL) for list endpoints (books, podcasts, articles, videos, playlists) that caches public queries and bypasses caching when is_bookmark=true or is_bookmarked=true
- Remove bookmark/user count queries from pinned collection list views to avoid user-specific cache pollution
- Prevent user bookmark/rate leakage into public catalog cache in BookListView via AnonymousUser context wrapper
- Fix video bookmark filtering bug in VideoPlaylistListAPIView and VideoListAPIView to accept both is_bookmark and is_bookmarked, and query both VIDEO_PLAYLIST and VIDEO bookmarks
- Add assign_random_videos_to_playlists management command
- auto-extract YouTube duration and thumbnail on Video save using yt-dlp
- filter out empty playlists and playlists with inactive items in video and podcast public/app views
- dynamically calculate number_of_volumes for BookEditionV2 based on assigned volumes
- Add OptionalPagination to Dovodi Category and Collection viewsets (podcast, video, article)
- Support status query filtering (status=true/false) in category and collection viewsets
- Sort categories and collections by newest first (-created_at, -id) across podcast, video, article, and library admin viewsets
- Introduced new models for PodcastPlaylist and VideoPlaylist, replacing the outdated PodcastInCollection and VideoInCollection models.
- Updated admin interfaces to manage playlists effectively, including new fields for slug, slogan, description, and thumbnail.
- Enhanced serializers to support playlist data and added methods for calculating total time and retrieving associated videos/podcasts.
- Implemented management commands for creating playlists and cleaning up old data, ensuring a streamlined user experience.
- Adjusted API endpoints to accommodate the new playlist structure while maintaining backward compatibility for existing video endpoints.
H.shokhmgar86
alireza