public AreaRankGrouping BuildRank(Grouping grouping, IndicatorMetadata indicatorMetadata,
TimePeriod timePeriod, IEnumerable<CoreDataSet> dataList)
{
var validDataList = RankDataList.ValidDataList(dataList, grouping.PolarityId);
if (validDataList.Count == 0)
{
return null;
}
var min = validDataList.First();
var minArea = AreasReader.GetAreaFromCode(min.AreaCode);
var max = validDataList.Last();
var maxArea = AreasReader.GetAreaFromCode(max.AreaCode);
CoreDataSet areaData;
int? rank;
if (Area.IsCountry)
{
areaData = GroupDataReader.GetCoreData(grouping, timePeriod, Area.Code).FirstOrDefault();
rank = null;
}
else if (Area is CategoryArea)
{
// Deprivation decile
var categoryArea = (CategoryArea)Area;
areaData = GroupDataReader.GetCoreDataForCategoryArea(grouping, timePeriod, categoryArea);
rank = null;
}
else
{
areaData = AreaHelper.GetDataForAreaFromDataList(Area.Code, validDataList);
rank = validDataList.IndexOf(areaData) + 1;
}
// Format data
var formatter = NumericFormatterFactory.New(indicatorMetadata, GroupDataReader);
formatter.Format(min);
formatter.Format(max);
formatter.Format(areaData);
// Reduce JSON footprint
var dataProcessor = new ValueDataProcessor(null);
dataProcessor.Truncate(areaData);
dataProcessor.Truncate(min);
dataProcessor.Truncate(max);
AreaRank areaRank = null;
if (areaData != null)
{
areaRank = new AreaRank
{
// define Area when required
Value = areaData.Value,
ValueFormatted = areaData.ValueFormatted,
Rank = rank,
Count = areaData.Count.Value,
Denom = areaData.Denominator
};
}
return new AreaRankGrouping
{
TimePeriodText = new TimePeriodTextFormatter(indicatorMetadata).Format(timePeriod),
AreaRank = areaRank,
Min = new AreaRank
{
// define Count when required
Area = minArea,
Value = min.Value,
ValueFormatted = min.ValueFormatted,
Rank = 1,
Count = min.Count.Value
},
Max = new AreaRank
{
// define Count when required
Area = maxArea,
Value = max.Value,
ValueFormatted = max.ValueFormatted,
Rank = validDataList.Count(),
Count = max.Count.Value
}
};
}
private static ValueDataProcessor Processor()
{
ValueDataProcessor processor = new ValueDataProcessor(Formatter());
return processor;
}