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"""
Exception handlers for Medical RAG AI Advisor API
"""
import logging
from datetime import datetime
from fastapi import Request, HTTPException
from fastapi.responses import JSONResponse
from fastapi.exceptions import RequestValidationError
from starlette.exceptions import HTTPException as StarletteHTTPException
from api.models import ErrorResponse
logger = logging.getLogger(__name__)
async def http_exception_handler(request: Request, exc: HTTPException):
"""Handle HTTP exceptions"""
logger.error(f"HTTP Exception: {exc.status_code} - {exc.detail}")
return JSONResponse(
status_code=exc.status_code,
content=ErrorResponse(
error="HTTP_ERROR",
message=exc.detail,
timestamp=datetime.now().isoformat()
).dict()
)
async def validation_exception_handler(request: Request, exc: RequestValidationError):
"""Handle request validation errors"""
logger.error(f"Validation Error: {exc.errors()}")
return JSONResponse(
status_code=422,
content=ErrorResponse(
error="VALIDATION_ERROR",
message="Request validation failed",
details={"validation_errors": exc.errors()},
timestamp=datetime.now().isoformat()
).dict()
)
async def general_exception_handler(request: Request, exc: Exception):
"""Handle general exceptions"""
logger.error(f"Unhandled Exception: {type(exc).__name__} - {str(exc)}")
return JSONResponse(
status_code=500,
content=ErrorResponse(
error="INTERNAL_SERVER_ERROR",
message="An internal server error occurred",
details={"exception_type": type(exc).__name__},
timestamp=datetime.now().isoformat()
).dict()
)
async def starlette_exception_handler(request: Request, exc: StarletteHTTPException):
"""Handle Starlette HTTP exceptions"""
logger.error(f"Starlette HTTP Exception: {exc.status_code} - {exc.detail}")
return JSONResponse(
status_code=exc.status_code,
content=ErrorResponse(
error="HTTP_ERROR",
message=exc.detail,
timestamp=datetime.now().isoformat()
).dict()
)
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