- Add utils/cache.py with invalidate_cache_patterns and smart_cached_view
- Support cache bypass on Cache-Control: no-cache headers and query params
- Add automatic signals (post_save, post_delete, m2m_changed) for library, video, podcast, article, calendar, and hadis
- Hook cache invalidation in custom admin viewset actions
- video: remove Q(playlist_items__video__id__in=...) to strictly filter by bookmarked playlist ID
- podcast: ensure playlist bookmark filter targets playlist IDs and accepts both PODCAST_PLAYLIST and PODCAST
- security/correctness: return empty queryset if is_bookmark is requested without authentication across video, podcast, library, and article views
- 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
- 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
- Make slug optional in AdminArticle serializers with auto-generation fallback
- Support unicode and URL-encoded slugs with case-insensitive lookup in ArticleDetailAPIView
- Count only active books (status=True) in library Category.books_count and CategoryListView
- Introduced a `share_link` property in the `Article`, `Hadis`, `Book`, `Podcast`, `Video`, and `Transmitter` models to generate shareable links based on their slugs.
- Updated corresponding serializers to include the `share_link` field as read-only.
- Added a management command to refresh share links for existing Hadis models, ensuring all instances have updated slugs and share links.
- Adjusted the `settings` to define `DOVODI_DOMAIN` for consistent link generation across models.
- Introduced a new command to evenly distribute source types across existing HadisCategory instances.
- Added a command to seed categories and collections in the library, relating existing books to them.
- Enhanced HadisCategory model to allow Unicode in slugs through a migration.
- Updated Nginx configuration to include a new location for proxying requests to a FastAPI agent.
- Added `TransactionReceipt` model to store payment receipts uploaded by users.
- Introduced endpoints for uploading receipts and listing receipts associated with transactions.
- Updated `TransactionParticipant` model to include a new status 'waiting_approval'.
- Enhanced serializers to handle receipt uploads and retrievals, including validation for file uploads.
- Updated admin interface to manage transaction receipts effectively.
- Added comprehensive API documentation for transaction receipt operations.
- Introduced a new `DownloadedBooksListView` to retrieve books downloaded by the current user.
- Updated `urls.py` to include the new endpoint `/books/downloaded/`.
- Removed the `is_downloaded` parameter from the `BookListView` to streamline the book listing process.
- Simplified the bookmark creation process by using request data directly in the serializer.
- Introduced a new `perform_create` method to save the user context during bookmark creation.
- Enhanced the book listing functionality to filter books by download status for the current user, using a new query parameter `is_downloaded`.
H.shokhmgar86
alireza