/// <summary>
/// Creates ADD operations for the node and ALL of its children.
/// </summary>
/// <param name="node">The node.</param>
/// <param name="idGenerator">The temporary ID generator for new nodes.</param>
/// <returns>A list of operation pair for the specified operation and nodes.
/// </returns>
private List <OperationPair> CreateAddOperations(ProductPartitionNode node,
TemporaryIdGenerator idGenerator)
{
AdGroupCriterionOperation addOp = new AdGroupCriterionOperation();
addOp.@operator = Operator.ADD;
// Overwrite the ID set by the user when doing ADD operations. This
// minimizes the chances of a malformed tree.
node.ProductPartitionId = idGenerator.Next;
addOp.operand =
ProductPartitionNodeAdapter.CreateCriterionForAdd(node, adGroupId, idGenerator);
List <OperationPair> operationsList = new List <OperationPair>();
operationsList.Add(new OperationPair(node, addOp));
// Recursively add all of this node's children to the operations list.
foreach (ProductPartitionNode child in node.Children)
{
operationsList.AddRange(CreateAddOperations(child, idGenerator));
}
return(operationsList);
}
/// <summary>
/// Creates a SET operation for the specified node.
/// </summary>
/// <param name="node">The node.</param>
/// <returns>An operation pair for the specified operation and node.
/// </returns>
private OperationPair CreateSetBidOperation(ProductPartitionNode node)
{
// TODO(user): This check is dangerous, since we should only depend on parent-child
// relationships, not ID relationships.
PreconditionUtilities.CheckArgument(node.ProductPartitionId >= NEW_ROOT_ID,
string.Format(ShoppingMessages.NodeForSetCannotHaveNegativeId, node));
AdGroupCriterionOperation setOp = new AdGroupCriterionOperation();
setOp.@operator = Operator.SET;
setOp.operand = ProductPartitionNodeAdapter.CreateCriterionForSetBid(node, adGroupId);
return(new OperationPair(node, setOp));
}
/// <summary>
/// Creates a REMOVE operation for the specified node.
/// </summary>
/// <param name="node">The node to be removed.</param>
/// <returns>An operation pair for the node and the REMOVE operation.
/// </returns>
private OperationPair CreateRemoveOperation(ProductPartitionNode node)
{
PreconditionUtilities.CheckArgument(node.ProductPartitionId >= NEW_ROOT_ID,
string.Format(ShoppingMessages.NodeForRemoveCannotHaveNegativeId,
node.ProductPartitionId));
AdGroupCriterionOperation removeOp = new AdGroupCriterionOperation();
removeOp.@operator = Operator.REMOVE;
removeOp.operand =
ProductPartitionNodeAdapter.CreateCriterionForRemove(node, adGroupId);
return(new OperationPair(node, removeOp));
}