public void Save(ScreenSummary entity)
        {
            try
            {
                IMongoQuery queryBase = Query.And
                    (
                        Query<ScreenSummary>.EQ<DateTime>(mem => mem.Date, entity.Date),
                        Query<ScreenSummary>.EQ<Guid>(mem => mem.ApplicationId, entity.ApplicationId),
                        Query<ScreenSummary>.EQ<string>(mem => mem.Version, entity.Version),
                        Query<ScreenSummary>.EQ<PlatformType>(mem => mem.PlatformId, entity.PlatformId)
                    );

                IMongoUpdate update = Update<ScreenSummary>
                    .SetOnInsert(x => x.Version, entity.Version)
                    .SetOnInsert(x => x.Date, entity.Date)
                    .SetOnInsert(x => x.ApplicationId, entity.ApplicationId)
                    .SetOnInsert(x => x.PlatformId, entity.PlatformId)
                    .AddToSet(x => x.Durations, entity.Durations.First())
                    .Inc(mem => mem.Count, entity.Count);

                this.GetCollection<ScreenSummary>().FindAndModify(queryBase, SortBy.Descending("Date"), update, false, true);
                //TODO: need a more elegant solution going forward
                this.GetCollection<ScreenSummary>().EnsureIndex(IndexKeys.Descending("Date"));

                IMongoQuery queryDuration = Query.And
                    (
                        queryBase,
                        Query.EQ("Durations.Key", BsonValue.Create(entity.Durations.First().Key))
                    );

                IMongoUpdate updateDuration = Update
                    .Inc("Durations.$.Count", 1);

                this.GetCollection<ScreenSummary>().Update(queryDuration, updateDuration);
            }
            catch (Exception ex)
            {
                throw new DataAccessLayerException(ex);
            }
        }
 public void Save(ScreenSummary summary)
 {
     this.eventMapper.Save(summary);
 }
        public void Log(Event eventItem)
        {
            Application application = this.applicationRepository.Find(eventItem.ApplicationId);

            if (application != null)
            {
                DeviceInfo device = this.deviceRepository.Find(eventItem.DeviceId);

                if (device != null)
                {
                    eventItem.PlatformId = device.PlatformType;

                    switch (eventItem.EventTypeId)
                    {
                        case EventType.ApplicationOpen:
                            Nullable<DateTime> lastDeviceVisit = this.eventRepository
                                .GetDateOfDeviceLastVisit(eventItem.DeviceId, eventItem.ApplicationId);

                            AppUsageSummary appUsageSummary = new AppUsageSummary(eventItem, lastDeviceVisit);
                            this.eventRepository.Save(appUsageSummary);
                            break;

                        case EventType.ApplicationClose:
                            AppUsageDurationSummary appUsageSum = new AppUsageDurationSummary(eventItem);
                            this.eventRepository.Save(appUsageSum);

                            DeviceAppLastScreen appLastScreen =
                                this.eventRepository.GetDeviceAppLastScreenOneBy(eventItem.DeviceId, eventItem.ApplicationId);

                            if (appLastScreen != null)
                            {
                                ScreenRouteSummary routeSum =
                                    new ScreenRouteSummary(eventItem, appLastScreen.ScreenName, string.Empty);

                                this.eventRepository.Save(routeSum);
                                this.eventRepository.Remove(eventItem.DeviceId, eventItem.ApplicationId);
                            }
                            break;

                        case EventType.Event:
                            EventSummary eventSum = new EventSummary(eventItem);
                            this.eventRepository.Save(eventSum);
                            break;

                        case EventType.ScreenClose:
                            ScreenSummary screenUsageSum = new ScreenSummary(eventItem);
                            this.eventRepository.Save(screenUsageSum);
                            this.eventRepository.Remove(eventItem.DeviceId, eventItem.ApplicationId);
                            this.eventRepository.Save(new DeviceAppLastScreen(eventItem));
                            break;

                        case EventType.ScreenOpen:
                            DeviceAppLastScreen lastScreen =
                                this.eventRepository.GetDeviceAppLastScreenOneBy(eventItem.DeviceId, eventItem.ApplicationId);

                            ScreenRouteSummary routeSum2 = new ScreenRouteSummary(eventItem, string.Empty, eventItem.ScreenName);

                            if (lastScreen != null)
                            {
                                if (lastScreen.SessionId == eventItem.SessionId)
                                {
                                    routeSum2 = new ScreenRouteSummary(eventItem, lastScreen.ScreenName, eventItem.ScreenName);
                                }

                                this.eventRepository.Remove(eventItem.DeviceId, eventItem.ApplicationId);
                            }

                            this.eventRepository.Save(routeSum2);
                            this.eventRepository.Save(new DeviceAppLastScreen(eventItem));
                            break;

                        case EventType.ContentLoaded:
                            ContentLoadSummary contentSum = new ContentLoadSummary(eventItem);
                            this.eventRepository.Save(contentSum);
                            break;
                    }

                    if (this.settings.DataLoggingRecordRaw)
                    {
                        this.eventRepository.Save(eventItem);
                    }
                }
                else
                {
                    throw new NoDeviceException(eventItem.DeviceId);
                }
            }
            else
            {
                throw new InactiveApplicationException(eventItem.ApplicationId);
            }
        }