wag-managment-api-service-v.../ApiLayers/ErrorHandlers/ErrorHandlers/api_exc_handler.py

90 lines
3.3 KiB
Python

import json
from typing import Any, Union, Awaitable
from pydantic import ValidationError
from fastapi import Request, WebSocket, status
from fastapi.responses import Response, JSONResponse
from ApiLayers.LanguageModels.Errors.merge_all_error_languages import (
MergedErrorLanguageModels,
)
from ApiLayers.ErrorHandlers.Exceptions.api_exc import HTTPExceptionApi
from ApiLayers.ErrorHandlers.bases import BaseErrorModelClass
def validation_exception_handler(request, exc: ValidationError) -> JSONResponse:
"""
{"message": [{
"type": "missing", "location": ["company_uu_id"], "message": "Field required",
"input": {"invalid_key_input": "e9869a25"}
}], "request": "http://0.0.0.0:41575/authentication/select", "title": "EmployeeSelection"
}
Validation error on pydantic model of each event validation
"""
validation_messages, validation_list = exc.errors() or [], []
for validation in validation_messages:
validation_list.append(
{
"type": dict(validation).get("type"),
"location": dict(validation).get("loc"),
"message": dict(validation).get(
"msg"
), # todo change message with language message
"input": dict(validation).get("input"),
}
)
error_response_dict = dict(
message=validation_list, request=str(request.url.path), title=exc.title
)
return JSONResponse(
content=error_response_dict, status_code=status.HTTP_422_UNPROCESSABLE_ENTITY
)
class HTTPExceptionApiHandler:
def __init__(self, response_model: Any):
self.RESPONSE_MODEL: Any = response_model
@staticmethod
def retrieve_error_status_code(exc: HTTPExceptionApi) -> int:
error_by_codes = BaseErrorModelClass.retrieve_error_by_codes()
grab_status_code = error_by_codes.get(str(exc.error_code).upper(), 500)
return int(grab_status_code)
@staticmethod
def retrieve_error_message(exc: HTTPExceptionApi, error_languages) -> str:
from ApiLayers.ErrorHandlers import DEFAULT_ERROR
return error_languages.get(str(exc.error_code).upper(), DEFAULT_ERROR)
async def handle_exception(
self, request: Union[Request, WebSocket], exc: Exception
) -> Union[Response, Awaitable[None]]:
request_string = (
str(request.url) if isinstance(request, Request) else request.url.path
)
if isinstance(exc, HTTPExceptionApi):
error_languages = MergedErrorLanguageModels.get_language_models(
language=exc.lang
)
status_code = self.retrieve_error_status_code(exc)
error_message = self.retrieve_error_message(exc, error_languages)
return self.RESPONSE_MODEL(
status_code=int(status_code),
content={
"message": error_message,
"lang": exc.lang,
"request": request_string,
"loc": exc.loc,
},
)
return self.RESPONSE_MODEL(
status_code=500,
content={
"message": "Internal Server Error",
"lang": "def",
"request": request_string,
"loc": exc.loc,
},
) # Handle other exceptions with a generic 500 error