public static DialogExecutionResult ExecuteUserInputNode(Dialog dialog, DialogNode dialogNode, string userInputText, DialogExecutionResult result)
{
IEnumerable <EntityMatch> entityMatches = null;
if (dialogNode is MatchIntentAndEntities)
{
var intent = (MatchIntentAndEntities)dialogNode;
entityMatches = intent.EntityMatches;
}
else if (dialogNode is DisambiguationQuestion)
{
var question = (DisambiguationQuestion)dialogNode;
if (question.EntityMatch != null)
{
entityMatches = new EntityMatch[] { question.EntityMatch };
}
result.AddUserInput(userInputText);
}
else
{
throw new ArgumentException("Dialog node must be of type MatchIntentAndEntities or DisambiguationQuestion");
}
EntityValuesMatchResult matchResult = null;
if (entityMatches != null)
{
// Try to match entity values in the questions
var entities = entityMatches.Select(entityMatch => entityMatch.Entity);
matchResult = EntityValuesMatcher.MatchEntityValues(entities, userInputText, dialog.ConceptsSynonyms, dialog.ConceptsRegex);
// Store the matched entity values in their assigned variables
foreach (var entityValuesGroup in matchResult.EntityValues.GroupBy(ev => ev.Entity))
{
var entityMatch = entityMatches.Where(em => em.Entity == entityValuesGroup.Key).First();
int matchIndex = 0;
foreach (var entityValue in entityValuesGroup)
{
if (matchIndex == 0 && entityMatch.EntityVariableName1 != null)
{
result.VariablesValues[entityMatch.EntityVariableName1] = entityValue.Name;
}
else if (matchIndex == 1 && entityMatch.EntityVariableName2 != null)
{
result.VariablesValues[entityMatch.EntityVariableName2] = entityValue.Name;
}
matchIndex++;
}
}
ExecuteVariableAssignments(dialogNode, result.VariablesValues);
}
// Store the result of this execution
var nodeExecution = new MatchEntitiesNodeExecution(dialogNode, matchResult);
if (result.ExecutionResult != null && result.ExecutionResult.DialogNode == dialogNode)
{
result.DialogNodesExecutionPath.Remove(result.ExecutionResult);
}
result.AddDialogNodeExecution(nodeExecution);
// Traverse the children nodes
SelectChildNode(dialog, result.VariablesValues, dialogNode, null, result);
return(result);
}
internal EntityValuesMatchResult MatchEntityValueInOptionText(DialogNode dialogNode, Entity entity, string optionText)
{
return(EntityValuesMatcher.MatchEntityValues(new Entity[] { entity }, optionText, ConceptsSynonyms, ConceptsRegex));
}