public IEnumerable <CovidObservationDatum> GetTopConfirmed(
CovidDashboardResourceParameters resourceParameters)
{
var numberOfItemsToDisplay = resourceParameters?.Max_Results ?? null;
var observationDate = resourceParameters.Observation_Date ?? null;
if (numberOfItemsToDisplay == null && observationDate == null)
{
return(GetTopConfirmed());
}
var collection = _context.CovidObservationData as IEnumerable <CovidObservationDatum>;
if (observationDate != null)
{
collection = collection.Where(x => x.ObservationDate == observationDate)
.GroupBy(x => x.Country)
.Select(group =>
new CovidObservationDatum
{
Country = group.Key,
Confirmed = group.Sum(x => x.Confirmed),
Recovered = group.Sum(x => x.Recovered),
Deaths = group.Sum(x => x.Deaths)
})
.OrderByDescending(group => group.Confirmed);
}
if (numberOfItemsToDisplay != null)
{
collection = collection.Take(numberOfItemsToDisplay.Value);
}
return(collection.ToList());
}
public ActionResult <IEnumerable <CovidObservationDatumDto> > GetTopConfirmed(
[FromQuery()] CovidDashboardResourceParameters resourceParameters)
{
var results = _dashBoardRepository.GetTopConfirmed(resourceParameters);
var covidCaseDataList = _covidCaseDataMapper.ToCovidCaseDataListDto(results);
return(Ok(covidCaseDataList));
}