app/middleware/error_handler.py

from fastapi import Request, status
from fastapi.responses import JSONResponse
from fastapi.exceptions import RequestValidationError
from starlette.exceptions import HTTPException as StarletteHTTPException


async def http_exception_handler(request: Request, exc: StarletteHTTPException):
    """Handle HTTP exceptions."""
    return JSONResponse(
        status_code=exc.status_code,
        content={"detail": exc.detail}
    )


async def validation_exception_handler(request: Request, exc: RequestValidationError):
    """Handle validation exceptions."""
    return JSONResponse(
        status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
        content={"detail": exc.errors(), "body": exc.body}
    )


async def general_exception_handler(request: Request, exc: Exception):
    """Handle general exceptions."""
    print(f"Unhandled exception: {exc}")
    return JSONResponse(
        status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
        content={"detail": "Internal server error"}
    )