Integrate mobile-working-branch part 1 (#6428)

BTCPayServer.Client/PosDataParser.cs

@@ -0,0 +1,50 @@
+#nullable enable
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json.Linq;
+
+namespace BTCPayServer.Client;
+
+public static class PosDataParser
+{
+    public static Dictionary<string, object> ParsePosData(JToken? posData)
+    {
+        var result = new Dictionary<string, object>();
+        if (posData is JObject jobj)
+        {
+            foreach (var item in jobj)
+            {
+                ParsePosDataItem(item, ref result);
+            }
+        }
+        return result;
+    }
+
+    static void ParsePosDataItem(KeyValuePair<string, JToken?> item, ref Dictionary<string, object> result)
+    {
+        switch (item.Value?.Type)
+        {
+            case JTokenType.Array:
+                var items = item.Value.AsEnumerable().ToList();
+                var arrayResult = new List<object>();
+                for (var i = 0; i < items.Count; i++)
+                {
+                    arrayResult.Add(items[i] is JObject
+                        ? ParsePosData(items[i])
+                        : items[i].ToString());
+                }
+
+                result.TryAdd(item.Key, arrayResult);
+
+                break;
+            case JTokenType.Object:
+                result.TryAdd(item.Key, ParsePosData(item.Value));
+                break;
+            case null:
+                break;
+            default:
+                result.TryAdd(item.Key, item.Value.ToString());
+                break;
+        }
+    }
+}