Some Data loader stuff

WotBlitzStatistics.GraphQl/DataLoaders/ClanDataLoader.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using GreenDonut;
+using WotBlitzStatisticsPro.WgApiClient;
+using WotBlitzStatisticsPro.WgApiClient.Model;
+
+namespace WotBlitzStatistics.GraphQl.DataLoaders
+{
+    public class ClanDataLoader : DataLoaderBase<long, ClanInfo>
+    {
+        private readonly IWargamingApiClient _wgApiClient;
+
+        public ClanDataLoader(IWargamingApiClient wgApiClient)
+        {
+            _wgApiClient = wgApiClient;
+        }
+
+        protected override async Task<IReadOnlyList<Result<ClanInfo>>> FetchAsync(
+            IReadOnlyList<long> keys, 
+            CancellationToken cancellationToken)
+        {
+            var result = new List<Result<ClanInfo>>();
+            foreach (var key in keys)
+            {
+                result.Add(await _wgApiClient.GetClanInfo(key));
+            }
+
+            return result.AsReadOnly();
+        }
+    }
+}