private ILuisAction ResolveActionFromLuisIntent(LuisResult result,
out string intentName,
out IList <EntityRecommendation> intentEntities,
Func <PropertyInfo, IEnumerable <EntityRecommendation>, EntityRecommendation> entityExtractor = null)
{
intentEntities = default(IList <EntityRecommendation>);
result.ThrowIfNull(nameof(result));
// Has Intent?
intentName = (result.TopScoringIntent ?? result.Intents?.MaxBy(i => i.Score ?? 0d)).Intent;
if (string.IsNullOrWhiteSpace(intentName))
{
return(null);
}
// Set out intent entities reference
intentEntities = result.Entities;
// Get Actions that map to this intent
if (!this.luisActions.TryGetValue(intentName, out Type actionType))
{
return(null);
}
// Get the action instance and check if it implements ILuisAction
var luisAction = Activator.CreateInstance(actionType) as ILuisAction;
if (luisAction == null)
{
return(null);
}
// Try complete parameters from entities
var properties = luisAction.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
AssignEntitiesToMembers(luisAction, properties, result.Entities, entityExtractor);
return(luisAction);
}
