/// <summary>
/// Assigns required data if the comparer calculate categories.
/// </summary>
/// <param name="subnationalDataList">Use null if you know the categories will be national</param>
public static void AssignCategoryDataIfRequired(IndicatorComparer comparer, Grouping grouping,
IGroupDataReader groupDataReader, IList<CoreDataSet> subnationalDataList)
{
ICategoryComparer categoryComparer = comparer as ICategoryComparer;
if (categoryComparer != null)
{
IList<CoreDataSet> coreDataList = null;
if (grouping.ComparatorId == ComparatorIds.England)
{
coreDataList = groupDataReader.GetCoreDataForAllAreasOfType(
grouping, TimePeriod.GetDataPoint(grouping));
}
else
{
if (subnationalDataList != null)
{
coreDataList = subnationalDataList;
}
}
if (coreDataList != null)
{
var values = coreDataList
.Where(x => x.IsValueValid)
.Select(x => x.Value)
.ToList();
categoryComparer.SetDataForCategories(values);
}
}
}
