mirror of
https://github.com/maxdorninger/MediaManager.git
synced 2026-02-20 07:59:50 -05:00
141 lines
4.2 KiB
Python
141 lines
4.2 KiB
Python
from fastapi import Request
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from fastapi.responses import JSONResponse
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from sqlalchemy.exc import IntegrityError
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from psycopg.errors import UniqueViolation
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class MediaManagerException(Exception):
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"""Base exception for MediaManager errors."""
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def __init__(self, message: str = "An error occurred."):
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super().__init__(message)
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self.message = message
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class MediaAlreadyExists(MediaManagerException):
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"""Raised when a media entity already exists (HTTP 409)."""
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def __init__(
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self, message: str = "Entity with this ID or other identifier already exists"
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):
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super().__init__(message)
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class NotFoundError(MediaManagerException):
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"""Raised when an entity is not found (HTTP 404)."""
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def __init__(self, message: str = "The requested entity was not found."):
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super().__init__(message)
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class InvalidConfigError(MediaManagerException):
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"""Raised when the server is improperly configured (HTTP 500)."""
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def __init__(self, message: str = "The server is improperly configured."):
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super().__init__(message)
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class BadRequestError(MediaManagerException):
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"""Raised for invalid client requests (HTTP 400)."""
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def __init__(self, message: str = "Bad request."):
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super().__init__(message)
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class UnauthorizedError(MediaManagerException):
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"""Raised for authentication failures (HTTP 401)."""
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def __init__(self, message: str = "Unauthorized."):
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super().__init__(message)
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class ForbiddenError(MediaManagerException):
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"""Raised for forbidden actions (HTTP 403)."""
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def __init__(self, message: str = "Forbidden."):
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super().__init__(message)
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class ConflictError(MediaManagerException):
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"""Raised for resource conflicts (HTTP 409)."""
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def __init__(self, message: str = "Conflict."):
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super().__init__(message)
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class UnprocessableEntityError(MediaManagerException):
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"""Raised for validation errors (HTTP 422)."""
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def __init__(self, message: str = "Unprocessable entity."):
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super().__init__(message)
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# Exception handlers
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async def media_already_exists_exception_handler(
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request: Request, exc: MediaAlreadyExists
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) -> JSONResponse:
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return JSONResponse(status_code=409, content={"detail": exc.message})
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async def not_found_error_exception_handler(
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request: Request, exc: NotFoundError
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) -> JSONResponse:
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return JSONResponse(status_code=404, content={"detail": exc.message})
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async def invalid_config_error_exception_handler(
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request: Request, exc: InvalidConfigError
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) -> JSONResponse:
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return JSONResponse(status_code=500, content={"detail": exc.message})
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async def bad_request_error_handler(
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request: Request, exc: BadRequestError
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) -> JSONResponse:
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return JSONResponse(status_code=400, content={"detail": exc.message})
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async def unauthorized_error_handler(
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request: Request, exc: UnauthorizedError
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) -> JSONResponse:
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return JSONResponse(status_code=401, content={"detail": exc.message})
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async def forbidden_error_handler(
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request: Request, exc: ForbiddenError
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) -> JSONResponse:
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return JSONResponse(status_code=403, content={"detail": exc.message})
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async def conflict_error_handler(request: Request, exc: ConflictError) -> JSONResponse:
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return JSONResponse(status_code=409, content={"detail": exc.message})
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async def unprocessable_entity_error_handler(
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request: Request, exc: UnprocessableEntityError
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) -> JSONResponse:
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return JSONResponse(status_code=422, content={"detail": exc.message})
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async def sqlalchemy_integrity_error_handler(
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request: Request, exc: Exception
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) -> JSONResponse:
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return JSONResponse(
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status_code=409,
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content={
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"detail": "The entity to create already exists or is in a conflict with others."
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},
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)
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def register_exception_handlers(app):
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app.add_exception_handler(NotFoundError, not_found_error_exception_handler)
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app.add_exception_handler(
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MediaAlreadyExists, media_already_exists_exception_handler
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)
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app.add_exception_handler(
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InvalidConfigError, invalid_config_error_exception_handler
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)
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app.add_exception_handler(IntegrityError, sqlalchemy_integrity_error_handler)
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app.add_exception_handler(UniqueViolation, sqlalchemy_integrity_error_handler)
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