public bool AddDialogVariableConditions(DialogVariableConditions variableConditions)
{
bool variablesChanged = false;
var conditionsGroupsByVariable = variableConditions.VariableConditions.Where(condition => condition.Comparison == ConditionComparison.Equals).GroupBy(condition => condition.Variable);
foreach (var conditionGroup in conditionsGroupsByVariable)
{
var variable = conditionGroup.Key;
IList <string> previousValues = null;
if (VariablesValues.ContainsKey(variable))
{
previousValues = VariablesValues[variable];
}
IList <string> newValues = null;
if (conditionGroup.Count() > 1 && variableConditions.Operator == ConditionOperator.Or)
{
newValues = conditionGroup.Select(condition => condition.Value).ToList();
}
else
{
newValues = new List <string>(1);
newValues.Add(conditionGroup.First().Value);
}
VariablesValues[variable] = newValues;
if (previousValues == null ||
previousValues.Count != newValues.Count ||
previousValues.Intersect(newValues).Count() < previousValues.Count)
{
variablesChanged = true;
}
}
return(variablesChanged);
}
private static void WriteDialogVariableConditions(XmlWriter xw, DialogVariableConditions childNode)
{
xw.WriteStartElement("If");
string expression = childNode.Expression;
xw.WriteAttributeString("Expr", expression);
if (childNode.VariableValuesRestriction != null)
{
xw.WriteAttributeString("RestrictValuesAllowedByFederationGroupIn", childNode.VariableValuesRestriction.VariableName);
}
WriteDialogNodeProperties(xw, childNode);
WriteChildrenNodes(xw, childNode);
xw.WriteEndElement();
}