/// <summary>
/// Try to find an entity within the result.
/// </summary>
/// <param name="result">The LUIS result.</param>
/// <param name="type">The entity type.</param>
/// <param name="entity">The found entity.</param>
/// <returns>True if the entity was found, false otherwise.</returns>
public static bool TryFindEntity(this LuisResult result, string type, out EntityRecommendation entity)
{
Func <EntityRecommendation, IList <EntityRecommendation>, bool> doesNotOverlapRange = (current, recommendations) =>
{
return(!recommendations.Where(r => current != r)
.Any(r => r.StartIndex.HasValue && r.EndIndex.HasValue && current.StartIndex.HasValue &&
r.StartIndex.Value <= current.StartIndex.Value && r.EndIndex.Value >= current.EndIndex.Value));
};
// find the recommended entity that does not overlap start and end ranges with other result entities
entity = result.Entities?.Where(e => e.Type == type && doesNotOverlapRange(e, result.Entities)).FirstOrDefault();
return(entity != null);
}
/// <summary>
/// Try to find an entity within the result.
/// </summary>
/// <param name="result">The LUIS result.</param>
/// <param name="type">The entity type.</param>
/// <param name="entity">The found entity.</param>
/// <returns>True if the entity was found, false otherwise.</returns>
public static bool TryFindEntity(this LuisResult result, string type, out EntityRecommendation entity)
{
entity = result.Entities?.FirstOrDefault(e => e.Type == type);
return(entity != null);
}
public static string GetChildType(this EntityRecommendation ent)
{
return(ent.Type.Substring(ent.Type.IndexOf("::") + 2));
}
public static string GetParentType(this EntityRecommendation ent)
{
return(ent.Type.Substring(0, ent.Type.IndexOf("::")));
}
/// <summary>
/// Finds by the parent type of the child entity
/// </summary>
/// <param name="result"></param>
/// <param name="type"></param>
/// <param name="entity"></param>
/// <returns></returns>
public static bool TryFindEntityEx(this LuisResult result, string type, out EntityRecommendation entity)
{
entity = result.Entities?.FirstOrDefault(e => e.Type.StartsWith(type + "::"));
return(entity != null);
}
