Gets goals from the Sitecore xDB

GetGoals.cs

public class GetGoals : ReportProcessorBase
{
    private readonly QueryBuilder goalsQueryBuilder = new QueryBuilder()
    {
        collectionName = "Interactions",
        QueryParms =
        {
            {
                "ContactId", "@contactId"
            },
            {
                "Pages.PageEvents.0", "{$exists:1}"
            }
        },
        Fields =
        {
            "_id",
            "ContactId",
            "Pages_PageEvents_PageEventDefinitionId",
            "Pages_PageEvents_DateTime",
            "Pages_PageEvents_Data",
            "Pages_Url_Path",
            "Pages_Url_QueryString",
            "Pages_PageEvents_Value",
            "Pages_Item__id"
        }
    };

    public override void Process(ReportProcessorArgs args)
    {
        DataTable goalsData = this.GetGoalsData(args.ReportParameters.ContactId);
        args.QueryResult = goalsData;
    }

    private DataTable GetGoalsData(Guid contactId)
    {
        ReportDataProvider reportDataProvider = this.GetReportDataProvider();
        Assert.IsNotNull((object)reportDataProvider, "provider should not be null");
        return reportDataProvider.GetData("collection", new ReportDataQuery(this.goalsQueryBuilder.Build())
        {
            Parameters =
            {
                {
                    "@contactId", (object) contactId
                }
            }
        }, new CachingPolicy()
        {
            NoCache = true
        }).GetDataTable();
    }
}