- Moved all XMLTV output logic from `apps/output/views.py` to `apps/output/epg.py`, streamlining the codebase and maintaining the existing HTTP endpoint functionality.
- Updated related tests and references to ensure proper integration with the new module structure.
- Streamlined `generate_epg()` to incrementally stream EPG data without loading the entire guide, improving memory efficiency.
- Reduced database load by deferring the fetching of large `programme_index` blobs, enhancing response times for EPG generation.
- Introduced a composite index on `(epg_id, id)` in `ProgramData` to optimize query performance during EPG exports.
- Updated tests to ensure proper functionality and performance of new features.
- Optimized `generate_epg()` to reduce database queries by prefetching ordered channel streams and implementing a new method for custom dummy epg name matching.
- Enhanced handling of dummy EPG sources to minimize SQL round-trips, improving performance for large guides with numerous custom-dummy channels.
- Implemented robust DB connection management in `refresh_epg_data` to handle transient errors, ensuring reliable status updates for EPG sources.
- Added retry logic for database queries and improved error handling to prevent task failures from unhandled exceptions.
- Updated EPG source status handling to ensure accurate reporting of errors and terminal states during refresh operations.
- Updated `get_streams` method in `ChannelSerializer` to use prefetched `channelstream_set`, improving performance by reducing database queries.
- Added `ChannelListIncludeStreamsQueryTests` to ensure that the number of queries remains stable as channels grow, verifying efficient stream inclusion in API responses.
- Implemented `ensure_custom_properties_dict()` to normalize custom properties across various models and serializers, addressing issues with legacy JSON-encoded strings.
- Updated M3U account and channel group models to ensure custom properties are consistently stored as dictionaries during save operations.
- Enhanced Celery task management by ensuring old DB connections are closed before and after tasks, improving reliability and preventing errors during account refresh operations. (Fixes#1338)
- Implemented `normalize_server_url()` to standardize account server URLs, ensuring that on-demand live URLs are built correctly without including API endpoints or query parameters.
- Updated `get_transformed_credentials()` and stream URL generation in `M3UMovieRelation` and `M3UEpisodeRelation` to utilize the new normalization function, improving URL handling for Xtream Codes accounts.
- Enhanced the live proxy to release geventpool DB connections more effectively across various paths.
- Implemented `close_old_connections()` in `stream_ts()`, `generate_stream_url()`, `get_stream_info_for_switch()`, `get_alternate_streams()`, `get_connections_left()`, and the cleanup process in `StreamGenerator`, ensuring that clients do not hold onto pool slots unnecessarily during streaming operations.
- Added a new function `_is_uwsgi_worker` to accurately identify when the application is running within a uWSGI worker.
- Updated `get_process_role` to label processes as "uwsgi" based on the new function or command-line arguments, improving process role accuracy.
- Expanded unit tests to cover various scenarios for uWSGI role detection, ensuring robust validation of the new logic.
- Introduced `lookup_by_name_year` function to limit database scans for movies and series without TMDB/IMDB IDs, enhancing performance by scoping lookups to current batch names.
- Updated `process_movie_batch` and `process_series_batch` to utilize the new lookup function, reducing memory usage and improving efficiency.
- Registered `refresh_vod_content` and `batch_refresh_series_episodes` for post-task memory cleanup in Celery, ensuring better resource management during VOD content refreshes.
- Improved memory cleanup by invoking `gc.collect()` after batch processing in `process_m3u_batch_direct` and `collect_xc_streams`, ensuring timely release of resources.
- Added tests to verify that garbage collection is triggered appropriately after batch operations.
- Introduced a new module to determine the process role based on command-line arguments, enhancing PostgreSQL connection labeling for better monitoring.
- Updated the database connection parameters to include the application name derived from the process role.
- Added unit tests to validate the process role detection logic for different scenarios, including Celery and uWSGI.
- Replaced the plugin listing mechanism with a more efficient handler iteration for event actions.
- Enhanced logging to provide clearer insights into the dispatching process and plugin action execution.
- Added error handling to ensure that failures in one plugin action do not block subsequent actions.
- Updated tests to cover new behavior and ensure proper handling of enabled and disabled plugins.
- Introduced a temporary staging table for efficient batch processing of EPG program inserts, reducing memory and I/O contention during updates.
- Enhanced the `parse_programs_for_source` function to stream parsed rows into the staging table before swapping them atomically into the main program data.
- Added unit tests to validate the new staging and swapping logic, ensuring existing programs are preserved during failures and that batch processing works as intended.
- Improved the handling of channel shutdown delays to ensure they reset correctly upon client reconnections, preventing premature shutdowns.
- Implemented logic to cancel pending shutdowns when clients reconnect, ensuring proper resource management and preventing client disconnect issues across uWSGI workers.
- Enhanced logging for shutdown processes and client management to provide clearer insights during channel operations.
- Added calls to `close_old_connections()` in `stream_vod()` and `build_vod_stats_data()` to prevent connection leaks during long-lived streaming responses and background stats refreshes.
- Improved connection handling in various components to ensure proper resource cleanup and prevent blocking issues.
- Improved database connection management by ensuring `close_old_connections()` is called in various methods to prevent connection leaks.
- Updated event dispatching to run asynchronously in gevent, preventing blocking during live-proxy and streaming paths.
- Added calls to `close_old_connections()` in `run_action()` and `stop_plugin()` methods to prevent connection leaks after plugin execution.
- Updated documentation to clarify connection handling for plugins, emphasizing the importance of cleanup in long-running tasks and event hooks.
- Improved channel teardown process to prevent lingering upstream connections and ensure proper resource cleanup.
- Enhanced client management by implementing checks for ghost clients and ensuring accurate client disconnection handling.
- Updated logging to provide clearer insights during channel initialization and teardown, including handling of unavailable channels.
- Refined stream manager behavior to manage ownership transitions more effectively and prevent blocking during shutdown.
- Improved handling of channel teardown to prevent client reconnect issues across uWSGI workers, ensuring proper resource cleanup and ownership management.
- Added functionality to clear all client entries from Redis for a channel, enhancing client management during shutdown.
- Updated logging and response mechanisms to inform clients of channel availability during teardown,.
- Enhanced stream manager behavior to ensure upstream connections are properly managed during ownership transitions.
- Enhanced the `stop_channel` method to prevent blocking during teardown by logging stop events asynchronously.
- Updated stream buffer behavior to ignore late writes during shutdown, improving resource management.
- Introduced DATABASE_POOL_CONN_MAX_LIFETIME to manage pooled connection lifecycle, improving performance and resource management.
- Updated database engine path to use 'dispatcharr.db.backends.postgresql_psycopg3' for consistency.
- Enhanced logging configuration for geventpool connection lifecycle tracking.
- Introduced a new helper function to generate user-facing error messages for RANGE_EXHAUSTED failures, ensuring the fallback range is correctly displayed.
- Updated tests to verify that the error message reflects the fallback range instead of the hidden auto_sync_channel_start, enhancing clarity for users.
- Replaced individual EPG program parse tasks with a centralized dispatch function to streamline guide refresh for newly assigned EPG IDs.
- Implemented batching for guide fetches when multiple EPGs are mapped, reducing redundant API calls and improving efficiency.
- Updated related utility functions to support the new fetching strategy and added tests to ensure correct behavior under various scenarios.
- Implemented a targeted guide fetch for Schedules Direct when mapping a channel, ensuring immediate data availability without redundant API calls.
- Updated EPG signals to queue guide fetches for newly mapped channels, streamlining the process and improving user experience.
- Refactored existing logic to skip unnecessary program refreshes for dummy sources and ensure proper handling of Schedules Direct data.
- Added unit tests to validate the new fetching behavior and ensure robustness of the integration.
- Added functions to compute schedule changes based on MD5 hashes and backfill missing dates for mapped stations.
- Enhanced handling of orphaned ProgramData records for unmapped EPG entries during schedule fetch.
- Introduced unit tests to validate MD5 comparison, backfill logic, and metadata fetching requirements.
- Introduced `dispatcharr_user_agent`, `dispatcharr_dvr_user_agent`, and `dispatcharr_http_headers` functions in `core.utils` to standardize User-Agent strings and HTTP headers for outbound requests.
- Updated various components, including `LogoViewSet`, `EPGSourceViewSet`, and VOD proxy views, to utilize the new header functions, ensuring consistent User-Agent usage across the application.
- Enhanced the handling of Schedules Direct API requests by including proper User-Agent headers, addressing previous API compliance issues.
- Introduced a new method `_fetch_sd_countries` in `EPGSourceViewSet` to fetch SD countries directly from the backend, eliminating the need for a separate proxy endpoint.
- Updated the `sd_lineups` action to include the fetched countries in the response.
- Removed the `getSDCountries` method from the API and adjusted the frontend to fetch countries alongside lineups, improving efficiency
- Updated related components to handle the new data structure for countries.
