public ExposuresPageViewModel(INavigationService navigationService, IUserDataService userDataService) : base(navigationService)
{
Title = Resources.AppResources.MainExposures;
this.userDataService = userDataService;
userData = this.userDataService.Get();
_exposures = new ObservableCollection <ExposureSummary>();
foreach (var en in userData.ExposureInformation.GroupBy(eni => eni.Timestamp))
{
var ens = new ExposureSummary();
ens.ExposureDate = en.Key.ToLocalTime().ToString("D", CultureInfo.CurrentCulture);
ens.ExposureCount = en.Count().ToString();
_exposures.Add(ens);
}
}
public ExposuresPageViewModel(INavigationService navigationService, IExposureNotificationService exposureNotificationService) : base(navigationService)
{
Title = Resources.AppResources.MainExposures;
_exposures = new ObservableCollection <ExposureSummary>();
var exposureInformationList = exposureNotificationService.GetExposureInformationListToDisplay();
if (exposureInformationList != null)
{
foreach (var en in exposureInformationList.GroupBy(eni => eni.Timestamp))
{
var ens = new ExposureSummary();
ens.ExposureDate = en.Key.ToLocalTime().ToString("D", CultureInfo.CurrentCulture);
ens.ExposureCount = en.Count().ToString();
_exposures.Add(ens);
}
}
}
public async Task InitExposures()
{
var exposures = new ObservableCollection <ExposureSummary>();
var exposureRiskCalculationConfiguration
= await _exposureRiskCalculationConfigurationRepository.GetExposureRiskCalculationConfigurationAsync(preferCache : false);
_loggerService.Info(exposureRiskCalculationConfiguration.ToString());
var dailySummaryList
= await _exposureDataRepository.GetDailySummariesAsync(AppConstants.TermOfExposureRecordValidityInDays);
var dailySummaryMap = dailySummaryList.ToDictionary(ds => ds.GetDateTime());
var exposureWindowList
= await _exposureDataRepository.GetExposureWindowsAsync(AppConstants.TermOfExposureRecordValidityInDays);
var userExposureInformationList
= _exposureDataRepository.GetExposureInformationList(AppConstants.TermOfExposureRecordValidityInDays);
if (dailySummaryList.Count() > 0)
{
foreach (var ew in exposureWindowList.GroupBy(exposureWindow => exposureWindow.GetDateTime()))
{
if (!dailySummaryMap.ContainsKey(ew.Key))
{
_loggerService.Warning($"ExposureWindow: {ew.Key} found, but that is not contained the list of dailySummary.");
continue;
}
var dailySummary = dailySummaryMap[ew.Key];
RiskLevel riskLevel = _exposureRiskCalculationService.CalcRiskLevel(
dailySummary,
ew.ToList(),
exposureRiskCalculationConfiguration
);
if (riskLevel < RiskLevel.High)
{
continue;
}
var ens = new ExposureSummary()
{
Timestamp = ew.Key,
ExposureDate = IExposureDataRepository.ConvertToTerm(dailySummary.GetDateTime()),
};
var exposureDurationInSec = ew.Sum(e => e.ScanInstances.Sum(s => s.SecondsSinceLastScan));
ens.SetExposureTime(exposureDurationInSec);
exposures.Add(ens);
}
}
if (userExposureInformationList.Count() > 0)
{
foreach (var ei in userExposureInformationList.GroupBy(userExposureInformation => userExposureInformation.Timestamp))
{
var ens = new ExposureSummary()
{
Timestamp = ei.Key,
ExposureDate = IExposureDataRepository.ConvertToTerm(ei.Key),
};
ens.SetExposureCount(ei.Count());
exposures.Add(ens);
}
}
Exposures.Clear();
foreach (var exposure in exposures.OrderByDescending(exposureSummary => exposureSummary.Timestamp))
{
Exposures.Add(exposure);
}
}
