GetDatasourceItemByQuery

GetDatasourceItemByQuery.cs

public class GetDataSourceItemByQuery
    {
        public void Process(ParseDataSourceArgs args)
        {
            if (args.DataSource.StartsWith("query:"))
            {                
                return;
            }
            List<SearchStringModel> list = SearchStringModel.ParseDatasourceString(args.DataSource).ToList<SearchStringModel>();
            if (list.Count == 0)
                return;
            using (IProviderSearchContext searchContext = this.CreateSearchContext(args))
            {
                foreach (SearchResultItem searchResultItem in (IEnumerable<SearchResultItem>)this.GetItems(list, searchContext))
                {
                    Item obj = searchResultItem?.GetItem();
                    if (obj != null)
                        args.Items.Add(obj);
                }
                args.AbortPipeline();
            }
        }

        protected virtual IQueryable<SearchResultItem> GetItems(List<SearchStringModel> items, IProviderSearchContext searchContext)
        {
            return LinqHelper.CreateQuery<SearchResultItem>(searchContext, (IEnumerable<SearchStringModel>)items);
        }

        protected virtual IProviderSearchContext CreateSearchContext(ParseDataSourceArgs args)
        {
            Assert.ArgumentNotNull((object)args, nameof(args));
            return ContentSearchManager.GetIndex((IIndexable)(SitecoreIndexableItem)Context.Item).CreateSearchContext(SearchSecurityOptions.Default);
        }

Patchconfig.config

<parseDataSource>
        <processor patch:instead="*[@type='Sitecore.ContentSearch.Client.Pipelines.ParseDataSource.GetDataSourceItemByQuery, Sitecore.ContentSearch.Client']" type="Myproject.Foundation.Extensions.Pipelines.ParseDataSource.GetDataSourceItemByQuery, Myproject.Foundation.Extensions" />
</parseDataSource>