public ExplainModelBuilder(string id, string rawExplain)
{
// Set DocumentId
ExplainModel.DocumentId = id;
// Split rawExplain into list of lines
var lines = rawExplain.Split("\n");
lines = FixImproperLineSplitting(lines);
ExplainLine lastLine = null;
// Loop through non-empty lines
foreach (var line in lines.Where(l => !string.IsNullOrEmpty(l)))
{
// Build new line
var explainLineBuilder = new ExplainLineBuilder(line.Trim(), GetIndentAmount(line));
var newLine = explainLineBuilder.GetExplainLine();
// Insert new line
InsertNewLine(ExplainModel, lastLine, line, newLine);
// set new lastLine
lastLine = newLine;
}
// Calculate the score percentages for every explainline in the explainModel
CalculateScorePercent(ExplainModel.ExplainLine, ExplainModel.DocumentScore);
// Build out piechart specific data
ExplainModel.PieChartFieldNames = BuildPieChartFieldNames(ExplainModel);
ExplainModel.PieChartDataPoints = BuildPieChartDataPoints(ExplainModel);
ExplainModel.PieChartDataPointsPercent = BuildPieChartDataPointsPercent(ExplainModel);
ExplainModel.PieChartColors = BuildPieChartColors(ExplainModel);
}
/// <summary>
/// Determines where in the tree to insert this new line
/// </summary>
/// <param name="explainModel"></param>
/// <param name="lastLine"></param>
/// <param name="line"></param>
/// <param name="newLine"></param>
private void InsertNewLine(ExplainModel explainModel, ExplainLine lastLine, string line, ExplainLine newLine)
{
// Determine where to insert
// If this is the first explainLine
if (explainModel.ExplainLine == null)
{
explainModel.ExplainLine = newLine;
explainModel.DocumentScore = newLine.Score;
}
// If the last inserted line was a lower indent, then make this its child
else if (lastLine.Indent < GetIndentAmount(line))
{
lastLine.AddChild(newLine);
}
// If the last inserted line was at the same indent, then give this the same parent as the last insert
else if (lastLine.Indent == GetIndentAmount(line))
{
lastLine.Parent.AddChild(newLine);
}
// If the last inserted has a higher indent, find the last insert with a lower indent and be the child of that line
else if (lastLine.Indent > GetIndentAmount(line))
{
var parent = lastLine.Parent;
while (parent.Indent >= newLine.Indent)
{
parent = parent.Parent;
}
parent.AddChild(newLine);
}
}
/// <summary>
/// Recursively update score percents for each line from the top down
/// </summary>
/// <param name="line"></param>
/// <param name="documentTotalScore"></param>
private void CalculateScorePercent(ExplainLine line, double documentTotalScore)
{
line.UpdateScorePercent(documentTotalScore);
if (!line.HasChildren())
{
return;
}
foreach (var child in line.Children)
{
CalculateScorePercent(child, documentTotalScore);
}
}