/// <summary>
/// Using the criteria in <paramref name="parentIdMap"/>, recursively adds
/// all children under the partition ID of <paramref name="parentNode"/> to
/// <paramref name="parentNode"/>.
/// </summary>
/// <param name="parentNode">The parent node.</param>
/// <param name="parentIdMap">The multimap from parent partition ID to list
/// of child criteria</param>
private static void AddChildNodes(ProductPartitionNode parentNode,
Dictionary <long, List <AdGroupCriterion> > parentIdMap)
{
List <AdGroupCriterion> childCriteria = null;
if (parentIdMap.ContainsKey(parentNode.ProductPartitionId))
{
childCriteria = parentIdMap[parentNode.ProductPartitionId];
}
// no children, return.
if (childCriteria == null || childCriteria.Count == 0)
{
return;
}
// Ensure that the parent is a subdivision.
parentNode.AsSubdivision();
foreach (AdGroupCriterion childCriterion in childCriteria)
{
ProductPartition partition = (ProductPartition)childCriterion.criterion;
ProductPartitionNode childNode = parentNode.AddChild(partition.caseValue);
childNode.ProductPartitionId = partition.id;
if (childCriterion is BiddableAdGroupCriterion)
{
childNode = childNode.AsBiddableUnit();
Money cpcBidAmount = GetBid((BiddableAdGroupCriterion)childCriterion);
if (cpcBidAmount != null)
{
childNode.CpcBid = cpcBidAmount.microAmount;
}
}
else
{
childNode = childNode.AsExcludedUnit();
}
AddChildNodes(childNode, parentIdMap);
}
}
