Lukas 1ba67357dc Add database transaction support with atomic operations

- Create transaction.py with @transactional decorator, atomic() context manager
- Add TransactionPropagation modes: REQUIRED, REQUIRES_NEW, NESTED
- Add savepoint support for nested transactions with partial rollback
- Update connection.py with TransactionManager, get_transactional_session
- Update service.py with bulk operations (bulk_mark_downloaded, bulk_delete)
- Wrap QueueRepository.save_item() and clear_all() in atomic transactions
- Add comprehensive tests (66 transaction tests, 90% coverage)
- All 1090 tests passing

2025-12-25 18:05:33 +01:00

2.6 KiB

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Changelog

Document Purpose

This document tracks all notable changes to the Aniworld project.

What This Document Contains

Version History: All released versions with dates
Added Features: New functionality in each release
Changed Features: Modifications to existing features
Deprecated Features: Features marked for removal
Removed Features: Features removed from the codebase
Fixed Bugs: Bug fixes with issue references
Security Fixes: Security-related changes
Breaking Changes: Changes requiring user action

What This Document Does NOT Contain

Internal refactoring details (unless user-facing)
Commit-level changes
Work-in-progress features
Roadmap or planned features

Target Audience

All users and stakeholders
Operators planning upgrades
Developers tracking changes
Support personnel

Format

This changelog follows Keep a Changelog principles and adheres to Semantic Versioning.

Sections for Each Release

## [Version] - YYYY-MM-DD

### Added

-   New features

### Changed

-   Changes to existing functionality

### Deprecated

-   Features that will be removed in future versions

### Removed

-   Features removed in this release

### Fixed

-   Bug fixes

### Security

-   Security-related fixes

Unreleased

Changes that are in development but not yet released.

Added

Database transaction support with @transactional decorator and atomic() context manager
Transaction propagation modes (REQUIRED, REQUIRES_NEW, NESTED) for fine-grained control
Savepoint support for nested transactions with partial rollback capability
TransactionManager helper class for manual transaction control
Bulk operations: bulk_mark_downloaded, bulk_delete, clear_all for batch processing
rotate_session atomic operation for secure session rotation
Transaction utilities: is_session_in_transaction, get_session_transaction_depth
get_transactional_session for sessions without auto-commit

Changed

QueueRepository.save_item() now uses atomic transactions for data consistency
QueueRepository.clear_all() now uses atomic transactions for all-or-nothing behavior
Service layer documentation updated to reflect transaction-aware design

Fixed

Scan status indicator now correctly shows running state after page reload during active scan
Improved reliability of process status updates in the UI header

Version History

To be documented as versions are released.

2.6 KiB Raw Blame History