public IActionResult GetAnalyticsData(string startDate = null, string endDate = null)
        {
            string email = "*****@*****.**";

            AnalyticsReportingService service = AnalyticsHelper.AuthenticateServiceAccount(email);
            // Create the DateRange object.
            DateRange dateRange = new DateRange()
            {
                StartDate = (string.IsNullOrEmpty(startDate))?
                            DateTime.Now.AddDays(-30).ToString("yyyy-MM-dd") : startDate,
                EndDate = (string.IsNullOrEmpty(endDate)? DateTime.Now.ToString("yyyy-MM-dd") : endDate)
            };

            // Create the Metrics object.
            //Metric sessions = new Metric { Expression = "ga:sessions", Alias = "Sessions" };
            Metric pageViews = new Metric {
                Expression = "ga:pageviews", Alias = "PageViews"
            };

            //Create the Dimensions object.
            Dimension pagePath = new Dimension {
                Name = "ga:pagePath"
            };

            // Create the ReportRequest object.
            // Create the ReportRequest object.
            ReportRequest reportRequest = new ReportRequest
            {
                ViewId     = "183068054",
                DateRanges = new List <DateRange>()
                {
                    dateRange
                },
                Dimensions = new List <Dimension>()
                {
                    pagePath
                },
                Metrics = new List <Metric>()
                {
                    pageViews
                }
            };

            List <ReportRequest> requests = new List <ReportRequest>();

            requests.Add(reportRequest);

            // Create the GetReportsRequest object.
            GetReportsRequest getReport = new GetReportsRequest()
            {
                ReportRequests = requests
            };

            // Call the batchGet method.
            GetReportsResponse response = service.Reports.BatchGet(getReport).Execute();

            return(Ok(response));
        }