Sergey Vanyushkin
87b094220d
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
40 lines
748 B
Python
40 lines
748 B
Python
"""Domain exceptions."""
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class DomainException(Exception):
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"""Base exception for domain layer."""
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def __init__(self, message: str) -> None:
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self.message = message
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super().__init__(self.message)
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class ValidationException(DomainException):
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"""Raised when validation fails."""
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pass
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class NotFoundException(DomainException):
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"""Raised when an entity is not found."""
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pass
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class AlreadyExistsException(DomainException):
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"""Raised when trying to create an entity that already exists."""
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pass
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class UnauthorizedException(DomainException):
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"""Raised when user is not authorized."""
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pass
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class ForbiddenException(DomainException):
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"""Raised when access is forbidden."""
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pass
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