function callService()

in utils/composumpackager.js [265:316]
45 lines of code
11 McCabe index (conditional complexity)

function callService(data, callback, isDownload=false) {
    if(data.retryCount === undefined) {
        data.retryCount = 0;
        if(data.maxRetry === undefined) {
            data.maxRetry = 10;
        }
    }

    logger.debug(data.retryCount + '. Service call: ', data.serviceURL);

    let req = request({ url: data.serviceURL, method: data.method }, (error, response, body) => {
        var statusCodeLine = (response === undefined) ? "" : "Response: " + response.statusCode + " : " + response.statusMessage;
        logger.debug(statusCodeLine);

        if (error) {
            if(data.retryCount < data.maxRetry) {
                data.retryCount++;
                callService(data, callback);
            } else  { 
                logger.error(error);
                callback(error + " " + statusCodeLine, undefined); 
            }

            return;
        }

        if (response && response.statusCode === 200) {
            if (body) {
                if(isDownload) {
                    callback(undefined, response);
                } else {
                    var json = JSON.parse(body);
                    logger.debug('Response:', JSON.stringify(json, undefined, '   '));
                    callback(undefined, json);
                }
                return;
            } else {
                logger.debug("Respons has no body.");
            }
        }

        if(data.retryCount < data.maxRetry) {
            data.retryCount++;
            callService(data, callback);
        } else  { 
            callback("Error calling service " + data.serviceURL, undefined);
        }

        return;
    }).auth(data.username, data.password);
    return req;
}