public TrendMarkersProvider(ITrendDataReader trendReader, TrendMarkerCalculator trendCalculator)
{
_trendReader = trendReader;
_trendCalculator = trendCalculator;
}
public TrendRoot BuildTrendRoot(ComparatorMap comparatorMap, GroupRoot root,
ITrendDataReader trendReader, IList<string> childAreaCodes)
{
Init();
TrendRoot trendRoot = new TrendRoot(root);
periods = Grouping.GetTimePeriodIterator(IndicatorMetadata.YearType).TimePeriods;
var formatter = NumericFormatterFactory.New(IndicatorMetadata, groupDataReader);
dataProcessor = new CoreDataProcessor(formatter);
// Get comparator trend data
foreach (var comparator in comparatorMap.Comparators)
{
CategoryArea categoryArea = comparator.Area as CategoryArea;
if (categoryArea != null)
{
var categoryTypeId = categoryArea.CategoryTypeId;
//TODO: we we don't have data for trends calculate on the fly
var categoryAreaDataList = trendReader.GetTrendDataForSpecificCategory(Grouping,
AreaCodes.England, categoryTypeId, categoryArea.CategoryId);
comparatorIdToComparatorTrendData.Add(comparator.ComparatorId, categoryAreaDataList);
}
else
{
var comparatorAreaDataList = trendReader.GetTrendData(Grouping, comparator.Area.Code);
comparatorIdToComparatorTrendData.Add(comparator.ComparatorId, comparatorAreaDataList);
}
}
bool hasData = false;
foreach (string areaCode in childAreaCodes)
{
dataList = trendReader.GetTrendData(Grouping, areaCode);
// Do not include areas without data
if (dataList.Count == 0)
{
bool isData = comparatorIdToComparatorTrendData
.Any(keyValuePair => keyValuePair.Value.Count > 0);
if (isData == false)
{
continue;
}
}
hasData = true;
// Create trend data points
IList<TrendDataPoint> trendDataPoints = new List<TrendDataPoint>();
foreach (var timePeriod in periods)
{
var dataPoint = GetDataAtSpecificTimePeriod(dataList, timePeriod)
?? CoreDataSet.GetNullObject(areaCode);
var significances = AssignSignificanceToTrendDataPoint(dataPoint, Grouping, timePeriod);
// Need to assess count before data is truncated
var isCountValid = dataPoint.IsCountValid;
dataProcessor.FormatAndTruncate(dataPoint);
var trendDataPoint = new TrendDataPoint(dataPoint)
{
Significance = significances,
IsCountValid = isCountValid
};
trendDataPoints.Add(trendDataPoint);
}
trendRoot.DataPoints[areaCode] = trendDataPoints;
}
trendRoot.RecentTrends = root.RecentTrends;
AssignPeriods(trendRoot);
if (hasData)
{
AssignComparatorDataToTrendRoot(trendRoot, root.FirstGrouping, childAreaCodes);
// Assign limits
var limitBuilder = new LimitsBuilder()
{
ExcludeComparators = IndicatorMetadata.ValueTypeId == ValueTypeIds.Count
};
trendRoot.Limits = limitBuilder.GetLimits(childAreaCodes, Grouping, comparatorMap);
}
return trendRoot;
}