public IEnumerable <(int Year, TimeIdentifier TimeIdentifier)> GetTimePeriodRange(
IQueryable <Observation> observations)
{
var timePeriods = GetDistinctObservationTimePeriods(observations).ToList();
var start = timePeriods.First();
var end = timePeriods.Last();
return(TimePeriodUtil.GetTimePeriodRange(start, end));
}
private async Task <int> GetMaximumTableCellCount(ObservationQueryContext queryContext)
{
var filterItemIds = queryContext.Filters;
var countsOfFilterItemsByFilter = filterItemIds == null
? new List <int>()
: (await _filterItemRepository.CountFilterItemsByFilter(filterItemIds))
.Select(pair =>
{
var(_, count) = pair;
return(count);
})
.ToList();
// TODO Accessing time periods for the Subject by altering the Importer to store them would improve accuracy
// here rather than assuming the Subject has all time periods between the start and end range.
return(TableBuilderUtils.MaximumTableCellCount(
countOfIndicators: queryContext.Indicators.Count(),
countOfLocations: queryContext.LocationIds.Count,
countOfTimePeriods: TimePeriodUtil.Range(queryContext.TimePeriod).Count,
countsOfFilterItemsByFilter: countsOfFilterItemsByFilter
));
}