public void OnActionExecuted(ActionExecutedContext context)
{
if (context.Exception == null)
{
return;
}
int code = 500;
Error err = new Error()
{
Message = "Internal server error.",
Type = "ServerError"
};
switch (context.Exception)
{
case ApiException apiEx:
code = apiEx.StatusCode;
err.Message = apiEx.Message;
err.Type = ApiException.GetErrorType(apiEx.StatusCode);
if (apiEx.StatusCode == 422)
{
// Aggregate error messages in case of multiple validation errors
err.Reasons = new Dictionary <string, string>();
foreach (var key in context.ModelState.Keys)
{
err.Reasons.Add(key,
context.ModelState.GetValueOrDefault(key)?.Errors
.Select(e => e.ErrorMessage)
.Aggregate((a, b) => a + "; " + b));
}
}
break;
case DbUpdateException updateEx:
switch ((updateEx.InnerException as SqliteException).SqliteErrorCode)
{
case 19:
int detailErr = (updateEx.InnerException as SqliteException).SqliteExtendedErrorCode;
switch (detailErr)
{
case 2067:
code = 409;
err.Type = ApiException.GetErrorType(409);
err.Message = "Record with DNS domain already exists.";
break;
}
break;
default:
code = 500;
err.Type = "DatabaseError";
err.Message = "Internal database error.";
break;
}
break;
}
context.Result = new JsonResult(err)
{
StatusCode = code,
};
context.ExceptionHandled = true;
}
