public DrilldownGraphDto GetDrilldownGraph(DimensionTree allDimensionsTree, TreeDimensionDto xDimension,
Measure measure, List <FlatDimensionDto> filters, bool requireDrilldownChart)
{
var graph = new DrilldownGraphDto
{
DimensionName = xDimension.Name,
Name = $"Drilldown graph of {measure.Name} by {xDimension.Name}",
Roots = new List <GraphXAxisRootDto>()
};
var xDimIsRoot = allDimensionsTree.IsRoot(xDimension.Id);
// if x-dimension is root dimension, there is no point for showing drilldown graph
if (xDimIsRoot && !requireDrilldownChart)
{
return(null);
}
// otherwise values of x dimension will be root and its parents values will be leaves
else if (!xDimIsRoot)
{
var filteredXValues = GetFilteredValues(allDimensionsTree, xDimension, filters);
foreach (var xValue in filteredXValues)
{
graph.Roots.Add(GetParentRoot(allDimensionsTree, xDimension, measure, xValue, filters));
}
}
else
{
var filteredXValues = GetFilteredValues(allDimensionsTree, xDimension, filters).ToList();
foreach (var xValue in filteredXValues)
{
graph.Roots.Add(GetRoot(allDimensionsTree, xDimension, measure, filteredXValues, filters, xValue));
}
}
return(graph);
}
public DrilldownChartViewModel Map(DrilldownGraphDto graph)
{
if (graph == null) return null;
return new DrilldownChartViewModel
{
ChartTitle = graph.Name,
Series = new [] { GetSeries(graph) } ,
Drilldown = GetDrilldown(graph)
};
}
private DrilldownViewModel GetDrilldown(DrilldownGraphDto graph)
{
var viewModel = new DrilldownViewModel
{
Series = new DrilldownSeriesViewModel[graph.Roots.Count]
};
for (int i = 0; i < graph.Roots.Count; i++)
{
viewModel.Series[i] = GetSeries(graph.Roots.Cast<DrilldownGraphXAxisRootDto>().ToList()[i]);
}
return viewModel;
}
private DrilldownSeriesViewModel GetSeries(DrilldownGraphDto graph)
{
var graphRoots = graph.Roots.Cast<DrilldownGraphXAxisRootDto>().ToList();
var series = new DrilldownSeriesViewModel
{
Id = graph.Name,
Name = graph.DimensionName,
Data = new DrilldownSeriesDataViewModel[graph.Roots.Count]
};
for (int i = 0; i < graph.Roots.Count; i++)
{
series.Data[i] = new DrilldownSeriesDataViewModel
{
Drilldown = graphRoots[i].Name,
Name = graphRoots[i].Name,
Y = graphRoots[i].GetValue()
};
}
return series;
}
