MultiUrlPickerValueMapper.cs

using Jumoo.TranslatePlus.Core;
using Jumoo.TranslatePlus.Core.Models;
using Jumoo.TranslatePlus.Core.ValueMappers;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Umbraco.Core;

namespace Jumoo.TranslatePlus.Core.ValueMappers
{
    public class MultiUrlPickerValueMapper : BaseValueMapper, IValueMapper
    {
        public string Name => "Multi Url Picker";

        public override string[] Editors => new [] { "RJP.MultiUrlPicker" };

        public TranslationValue GetSourceValue(string displayName, 
            string propertyTypeAlias, 
            object value, 
            CultureInfoView culture)
        {
            if (value == null) return null; 

            var stringValue = (string)value;
            if (stringValue.IsNullOrWhiteSpace()) return null;

            var array = JsonConvert.DeserializeObject<JArray>(stringValue);
            if (array == null || array.Count == 0) return null;

            var translationValue = new TranslationValue(displayName, propertyTypeAlias);

            for (var i = 0; i < array.Count; i++)
            {
                var lnk = array[i];
                var lnkNameValue = new TranslationValue($"{displayName} {(array.Count > 1 ? "["+ i +"]": "")} Name", propertyTypeAlias)
                {
                    Value = lnk.Value<string>("name")
                };

                translationValue.InnerValues.Add(i.ToString(), lnkNameValue);
            }

            return translationValue;
        }

        public object GetTargetValue(
            string propertyTypeAlias,
            object sourceValue,
            TranslationValue values,
            CultureInfoView sourceCulture,
            CultureInfoView targetCulture)
        {
            if (sourceValue == null) return null;

            var stringValue = (string)sourceValue;
            if (stringValue.IsNullOrWhiteSpace()) return null;

            var array = JsonConvert.DeserializeObject<JArray>(stringValue);
            if (array == null || array.Count == 0) return null;

            for (var i = 0; i < array.Count; i++)
            {
                var lnk = (JObject)array[i];
                var nameValue = values.GetInnerValue(i.ToString());
                if (nameValue != null)
                {
                    lnk["name"] = nameValue.Value;
                }
            }

            return JsonConvert.SerializeObject(array, Formatting.Indented);
        }
    }
}