a4b99ee53e
Migrated to ruff for faster, modern code formatting and linting: Configuration changes: - pyproject.toml: Added ruff 0.8.6, removed black/flake8 - Configured ruff with black-compatible formatting (88 chars) - Enabled comprehensive linting rules (pycodestyle, pyflakes, isort, pyupgrade, bugbear, comprehensions, simplify, return) - Updated CLAUDE.md: Changed code quality commands to use ruff Code improvements (490 auto-fixes): - Modernized type hints: List[T] → list[T], Dict[K,V] → dict[K,V], Optional[T] → T | None - Sorted all imports (isort integration) - Removed unused imports - Fixed whitespace issues - Reformatted 38 files for consistency Bug fixes: - app/core/play_resolver.py: Fixed type hint bug (any → Any) - tests/unit/core/test_runner_advancement.py: Removed obsolete random mock Testing: - All 739 unit tests passing (100%) - No regressions introduced 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
"""
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StatViewRefresher - Refresh materialized views for statistics.
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Provides methods to refresh PostgreSQL materialized views created in migration 004.
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Uses REFRESH MATERIALIZED VIEW CONCURRENTLY to allow reads during refresh.
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Author: Claude
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Date: 2025-11-07
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"""
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import logging
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from sqlalchemy import text
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from app.database.session import AsyncSessionLocal
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logger = logging.getLogger(f"{__name__}.StatViewRefresher")
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class StatViewRefresher:
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"""
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Service for refreshing materialized views containing game statistics.
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Refreshes three materialized views:
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- batting_game_stats: Player batting statistics aggregated from plays
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- pitching_game_stats: Player pitching statistics aggregated from plays
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- game_stats: Team totals and linescore aggregated from plays
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Uses CONCURRENTLY option to allow reads during refresh (requires unique indexes).
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"""
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# View names in order (dependencies matter for concurrent refresh)
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VIEWS = ["batting_game_stats", "pitching_game_stats", "game_stats"]
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async def refresh_all(self) -> None:
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"""
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Refresh all stat materialized views concurrently.
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Refreshes views in order to handle any dependencies.
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Uses REFRESH MATERIALIZED VIEW CONCURRENTLY to avoid locking.
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Raises:
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Exception: If any refresh fails
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"""
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async with AsyncSessionLocal() as session:
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try:
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for view_name in self.VIEWS:
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logger.debug(f"Refreshing materialized view: {view_name}")
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await self._refresh_view(session, view_name)
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await session.commit()
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logger.info(
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f"Successfully refreshed all {len(self.VIEWS)} materialized views"
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)
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except Exception as e:
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await session.rollback()
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logger.error(
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f"Failed to refresh materialized views: {e}", exc_info=True
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)
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raise
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async def refresh_view(self, view_name: str) -> None:
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"""
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Refresh a single materialized view.
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Args:
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view_name: Name of the materialized view to refresh
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Raises:
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ValueError: If view_name is not recognized
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Exception: If refresh fails
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"""
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if view_name not in self.VIEWS:
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raise ValueError(f"Unknown view: {view_name}. Must be one of {self.VIEWS}")
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async with AsyncSessionLocal() as session:
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try:
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await self._refresh_view(session, view_name)
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await session.commit()
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logger.info(f"Successfully refreshed materialized view: {view_name}")
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except Exception as e:
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await session.rollback()
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logger.error(f"Failed to refresh view {view_name}: {e}", exc_info=True)
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raise
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async def _refresh_view(self, session, view_name: str) -> None:
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"""
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Execute REFRESH MATERIALIZED VIEW CONCURRENTLY statement.
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Args:
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session: Active database session
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view_name: Name of the view to refresh
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"""
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# CONCURRENTLY requires unique index (created in migration)
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# Allows reads during refresh but is slightly slower
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query = text(f"REFRESH MATERIALIZED VIEW CONCURRENTLY {view_name}")
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await session.execute(query)
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logger.debug(f"Executed: REFRESH MATERIALIZED VIEW CONCURRENTLY {view_name}")
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# Singleton instance
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stat_view_refresher = StatViewRefresher()
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