/// <summary>
        /// Execute method to write transaction to the database.
        /// </summary>
        public void Execute()
        {
            using ( var rockContext = new RockContext() )
            {
                PageViewService pageViewService = new PageViewService( rockContext );
                PageViewUserAgentService pageViewUserAgentService = new PageViewUserAgentService( rockContext );
                PageViewSessionService pageViewSessionService = new PageViewSessionService( rockContext );

                var userAgent = ( this.UserAgent ?? string.Empty ).Trim();
                if ( userAgent.Length > 450 )
                {
                    userAgent = userAgent.Substring( 0, 450 ); // trim super long useragents to fit in pageViewUserAgent.UserAgent
                }

                // get user agent info
                var clientType = PageViewUserAgent.GetClientType( userAgent );

                Parser uaParser = Parser.GetDefault();
                ClientInfo client = uaParser.Parse( userAgent );
                var clientOs = client.OS.ToString();
                var clientBrowser = client.UserAgent.ToString();

                // lookup the pageViewUserAgent, and create it if it doesn't exist
                var pageViewUserAgent = pageViewUserAgentService.Queryable().Where( a => a.UserAgent == userAgent ).FirstOrDefault();
                if ( pageViewUserAgent == null )
                {
                    pageViewUserAgent = new PageViewUserAgent();
                    pageViewUserAgent.UserAgent = userAgent;
                    pageViewUserAgent.ClientType = clientType;

                    pageViewUserAgent.OperatingSystem = clientOs;
                    pageViewUserAgent.Browser = clientBrowser;

                    pageViewUserAgentService.Add( pageViewUserAgent );
                    rockContext.SaveChanges();
                }
                else
                {
                    // check if the user agent properties need to be updated
                    if ( clientType != pageViewUserAgent.ClientType || clientOs != pageViewUserAgent.OperatingSystem || clientBrowser != pageViewUserAgent.Browser )
                    {
                        pageViewUserAgent.ClientType = clientType;
                        pageViewUserAgent.OperatingSystem = clientOs;
                        pageViewUserAgent.Browser = clientBrowser;
                        rockContext.SaveChanges();
                    }
                }

                // lookup PageViewSession, and create it if it doesn't exist
                Guid sessionId = this.SessionId.AsGuid();
                int? pageViewSessionId = pageViewSessionService.Queryable().Where( a => a.PageViewUserAgentId == pageViewUserAgent.Id && a.SessionId == sessionId && a.IpAddress == this.IPAddress ).Select( a => (int?)a.Id ).FirstOrDefault();
                if ( !pageViewSessionId.HasValue )
                {
                    var pageViewSession = new PageViewSession();
                    pageViewSession.PageViewUserAgentId = pageViewUserAgent.Id;
                    pageViewSession.SessionId = sessionId;
                    pageViewSession.IpAddress = this.IPAddress;
                    pageViewSessionService.Add( pageViewSession );
                    rockContext.SaveChanges();
                    pageViewSessionId = pageViewSession.Id;
                }

                PageView pageView = new PageView();
                pageViewService.Add( pageView );

                // obfuscate rock magic token
                Regex rgx = new Regex( @"rckipid=([^&]*)" );
                string cleanUrl = rgx.Replace( this.Url, "rckipid=XXXXXXXXXXXXXXXXXXXXXXXXXXXX" );

                pageView.PageId = this.PageId;
                pageView.SiteId = this.SiteId;
                pageView.Url = cleanUrl.Left( 500 );
                pageView.DateTimeViewed = this.DateViewed;
                pageView.PersonAliasId = this.PersonAliasId;
                pageView.PageTitle = this.PageTitle.Left( 500 );

                pageView.PageViewSessionId = pageViewSessionId.Value;

                rockContext.SaveChanges();
            }
        }
        /// <summary>
        /// Execute method to write transaction to the database.
        /// </summary>
        public void Execute()
        {
            using ( var rockContext = new RockContext() )
            {
                PageViewService pvService = new PageViewService( rockContext );

                PageView pageView = new PageView();
                pvService.Add( pageView );

                pageView.PageId = this.PageId;
                pageView.SiteId = this.SiteId;
                pageView.SessionId = new Guid( this.SessionId );
                pageView.Url = this.Url;
                pageView.UserAgent = this.UserAgent;
                pageView.DateTimeViewed = this.DateViewed;
                pageView.IpAddress = this.IPAddress;
                pageView.PersonAliasId = this.PersonAliasId;
                pageView.PageTitle = this.PageTitle;

                string u = this.UserAgent;
                if ( string.IsNullOrWhiteSpace( u ) )
                {
                    pageView.ClientType = "None";
                }
                else
                {
                    // determine client type
                    // note this regex should be updated from http://detectmobilebrowsers.com/ occassionally
                    // last update 2/22/2014 - JME
                    bool clientDetected = false;

                    // first test for mobile device
                    Regex b = new Regex( @"(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino", RegexOptions.IgnoreCase | RegexOptions.Multiline );
                    Regex v = new Regex( @"1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-", RegexOptions.IgnoreCase | RegexOptions.Multiline );
                    if ( ( b.IsMatch( u ) || ( u.Length >= 4 && v.IsMatch( u.Substring( 0, 4 ) ) ) ) )
                    {
                        pageView.ClientType = "Mobile";
                        clientDetected = true;
                    }

                    // next test for tablet
                    if ( !clientDetected )
                    {
                        Regex t = new Regex( @"android|ipad|playbook|silk", RegexOptions.IgnoreCase | RegexOptions.Multiline );
                        if ( t.IsMatch( u ) )
                        {
                            pageView.ClientType = "Tablet";
                            clientDetected = true;
                        }
                    }

                    // let's now label bots/crawler
                    if ( !clientDetected )
                    {
                        Regex t = new Regex( @"bot|googlebot|crawler|spider|robot|crawling", RegexOptions.IgnoreCase | RegexOptions.Multiline );
                        if ( t.IsMatch( u ) )
                        {
                            pageView.ClientType = "Crawler";
                            clientDetected = true;
                        }
                    }

                    // finally set it to desktop
                    if ( !clientDetected )
                    {
                        pageView.ClientType = "Desktop";
                    }
                }

                rockContext.SaveChanges();
            }
        }