Logger-helper

const pino = require('pino');
const config = require('config');

const logger = pino({level: config.logLevel});

exports.getLogger = function getLogger(module) {
	return logger.child({ module: module }); 
};

exports.getMethodEndLogger = function getMethodEndLogger(logger, method, input) {

	let startTime = process.hrtime();
	
	logger.info({method: method, input: input});


	function methodEndLog(error, result) {

		let timeDifference = process.hrtime(startTime);
		let milliseconds = timeDifference[1] / 1000000;

		if(error) {
			return logger.error({method: method, input: input, error: error, responseTime: milliseconds});
		}
		logger.info({method: method, input: input, result: result, responseTime: milliseconds});
	}

	return methodEndLog;

};