AdaptiveCardUtil.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json.Linq;

namespace Bot.Builder.Community.Cards
{
    internal static class AdaptiveCardUtil
    {
        private static readonly string[] InputTypes = new[]
        {
            AdaptiveInputTypes.ChoiceSet,
            AdaptiveInputTypes.Date,
            AdaptiveInputTypes.Number,
            AdaptiveInputTypes.Text,
            AdaptiveInputTypes.Time,
            AdaptiveInputTypes.Toggle,
        };

        internal static IEnumerable<JToken> NonDataDescendants(JContainer container) =>
            container?.Descendants().Where(token =>
                !token.Ancestors().Any(ancestor =>
                    (ancestor as JProperty)?.Name.Equals(
                        AdaptiveProperties.Data) == true));

        internal static IEnumerable<JObject> GetAdaptiveInputs(JContainer container)
        {
            return NonDataDescendants(container)?
                .Select(token => token is JObject element
                    && InputTypes.Contains(element.GetValue(AdaptiveProperties.Type)?.ToString())
                    && element.GetValue(AdaptiveProperties.Id) != null ? element : null)
                .WhereNotNull();
        }

        internal static string GetAdaptiveInputId(JObject input) => input?.GetValue(AdaptiveProperties.Id)?.ToString();
    }
}