fcs-virk/VrResponseParser.cs

// ***********************************************************************
// Assembly         : FCS.Lib.Virk
// Author          : fhdk
// Created          : 2022 12 17 13:33
// 
// Last Modified By: fhdk
// Last Modified On : 2023 03 14 09:16
// ***********************************************************************
// <copyright file="VrResponseParser.cs" company="FCS">
//     Copyright (C) 2022-2023 FCS Frede's Computer Services.
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU Affero General Public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
// 
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU Affero General Public License for more details.
// 
//     You should have received a copy of the GNU Affero General Public License
//     along with this program.  If not, see [https://www.gnu.org/licenses]
// </copyright>
// <summary></summary>
// ***********************************************************************

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace FCS.Lib.Virk
{
    /// <summary>
    /// VrResponseParser
    /// </summary>
    public class VrResponseParser
    {
        /// <summary>
        /// Registrar response parser
        /// </summary>
        /// <param name="responseData"></param>
        /// <returns>List of VrVirksomhed models</returns>
        /// <see cref="VrVirksomhed"/>
        public List<VrVirksomhed> ParseVrResponse(string responseData)
        {
            var result = new List<VrVirksomhed>();

            var cvrObject = JObject.Parse(responseData);

            var numHits = (int)cvrObject.SelectToken("hits")?.SelectToken("total")!;

            if (numHits == 0)
                return result;

            var cvrHits = cvrObject.SelectToken("hits")?.SelectToken("hits");

            for (var i = 0; i < numHits; i++)
                try
                {
                    var cObject = cvrHits?[i]?["_source"] != null
                        ? (JObject?)cvrHits[i]?["_source"]?["Vrvirksomhed"]
                        : null;

                    var jsonString = JsonConvert.SerializeObject(cObject);

                    var o = JsonConvert.DeserializeObject<VrVirksomhed>(jsonString);
                    if (o != null)
                        result.Add(o);
                }
                catch
                {
                    return result;
                }

            return result;
        }
    }
}