Complete architectural refactoring from simple MVC to Clean Architecture/DDD pattern: Domain Layer: - Add entities (Post, BaseEntity) with business logic - Add value objects (Title, Content, Slug) with validation - Add repository interfaces (PostRepository) - Add domain exceptions Application Layer: - Add use cases (CreatePost, GetPost, UpdatePost, DeletePost, ListPosts, PublishPost) - Add DTOs for data transfer - Add TransactionManager interface Infrastructure Layer: - Add SQLAlchemy models and async database connection - Add SQLAlchemyPostRepository implementation - Add Dishka DI container with providers - Add error handlers and middleware Presentation Layer: - Add FastAPI routes with Dishka integration - Add Pydantic schemas - Add dependency injection using FromDishka[T] Other Changes: - Remove old flat structure (api/, common/, core/, modules/) - Add hatchling build system for package scripts - Add blog CLI command - Update AGENTS.md with new architecture docs - All 48 tests passing, mypy clean, ruff clean
25 lines
754 B
Python
25 lines
754 B
Python
"""SQLAlchemy implementation of Transaction Manager."""
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.application.interfaces import TransactionManager
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class SessionTransactionManager(TransactionManager):
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"""SQLAlchemy Session-based Transaction Manager."""
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def __init__(self, session: AsyncSession) -> None:
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self._session = session
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self._committed: bool = False
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async def commit(self) -> None:
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"""Commit the current transaction."""
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if not self._committed:
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await self._session.commit()
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self._committed = True
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async def rollback(self) -> None:
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"""Rollback the current transaction."""
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if not self._committed:
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await self._session.rollback()
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