private void AddToTempFile(ReportsTable data, string fileLocation)
{
try
{
using (FileStream aFile = new FileStream(fileLocation, FileMode.Append, FileAccess.Write))
using (StreamWriter sw = new StreamWriter(aFile))
{
foreach (var row in data.Data)
{
sw.WriteLine(String.Join(",", row));
}
data = null;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex.InnerException);
}
}
public void GetGoogleReport(string viewIds, string apiQuery, DateTime startDate, DateTime endDate, string tempFileLocation, string localFilePath)
{
try
{
if (svc == null)
{
throw new Exception("No service available");
}
var headers = new List <string>();
foreach (var viewId in viewIds.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
{
string pageToken = "";
var allResults = new List <Report>();
while (pageToken != null)
{
// pageToken = null;
var request = new ReportRequest();
var firstDate = startDate.ToString("yyyy-MM-dd");
var lastDate = endDate.ToString("yyyy-MM-dd");
DateRange dateRange = new DateRange()
{
StartDate = firstDate, EndDate = lastDate
};
request.DateRanges = new List <DateRange>()
{
dateRange
};
request.PageSize = 10000;
request.SamplingLevel = "LARGE";
request.ViewId = "ga:" + viewId;
request.Metrics = GetMetrics(apiQuery);
request.Dimensions = GetDimensions(apiQuery);
request.PageToken = pageToken == "" ? null : pageToken; // send null for 1st request
// get the report
var body = new GetReportsRequest();
body.ReportRequests = new List <ReportRequest>()
{
request
};
var reports = svc.Reports.BatchGet(body).Execute();
Thread.Sleep(1000);
if (reports?.Reports?[0]?.Data?.RowCount != null)
{
allResults.AddRange(reports.Reports);
pageToken = reports.Reports[0].NextPageToken;
reports = null;
}
else
{
pageToken = null;
}
}
if (allResults.Count > 0)
{
var apiResults = new ReportsTable(allResults, viewId);
headers = apiResults.Headers;
// add the report to the file
AddToTempFile(apiResults, tempFileLocation);
allResults = null;
apiResults = null;
}
}
MergeTempFileToFile(localFilePath, tempFileLocation, headers);
}
catch (Exception ex)
{
// error ocurred
errorCount++;
// remove tempfile
File.Delete(tempFileLocation);
// try again
if (errorCount < 10)
{
Thread.Sleep(1000);
GetGoogleReport(viewIds, apiQuery, startDate, endDate, tempFileLocation, localFilePath);
}
}
finally
{
svc.Dispose();
}
}