public APIGatewayProxyResponse Handler(
APIGatewayProxyRequest request,
ILambdaContext context)
{
try
{
ConfigureLogger(context.AwsRequestId);
var notification = JsonConvert.DeserializeObject <Notification>(
request.Body
);
Log.Logger.RecordNotification(
notification
);
var validationFailureReason = notification.Validate(out var isValid);
if (isValid == false)
{
var errorResult = new ErrorResult(
validationFailureReason);
Log.Logger.RecordValidationFailureReason(
errorResult
);
return(new APIGatewayProxyResponse
{
StatusCode = (int)HttpStatusCode.BadRequest,
Body = CreateResponseBodyFromErrorResult(
errorResult)
});
}
var smsClient = CreateSmsClient();
smsClient.Notify(notification);
return(new APIGatewayProxyResponse
{
StatusCode = (int)HttpStatusCode.OK
});
}
catch (Exception exception)
{
var statusCode = HttpStatusCode.InternalServerError;
switch (exception)
{
case InvalidCredentials _:
statusCode = HttpStatusCode.Unauthorized;
Log.Logger.RecordInvalidCredentials();
break;
case InsufficientCredits _:
statusCode = HttpStatusCode.Forbidden;
Log.Logger.RecordInsufficientCredits();
break;
default:
Log.Logger.RecordException(exception);
break;
}
return(new APIGatewayProxyResponse
{
StatusCode = (int)statusCode
});
}
}
private static string CreateResponseBodyFromErrorResult(
ErrorResult errorResult)
{
return(JsonConvert.SerializeObject(errorResult));
}