added results

Assets/Code/Records/RecordsService.cs

@@ -0,0 +1,41 @@
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using UnityEngine;
+
+namespace Code.Records
+{
+    public class RecordsService
+    {
+        private const string Key = "RaceRecords";
+
+        public static List<Record> Load()
+        {
+            var json = PlayerPrefs.GetString(Key, "[]");
+            try
+            {
+                return JsonConvert.DeserializeObject<List<Record>>(json) ?? new List<Record>();
+            }
+            catch
+            {
+                return new List<Record>();
+            }
+        }
+
+        public static void Save(List<Record> records)
+        {
+            var json = JsonConvert.SerializeObject(records);
+            PlayerPrefs.SetString(Key, json);
+            PlayerPrefs.Save();
+        }
+
+        public static void AddRecord(string name, long totalMs)
+        {
+            var records = Load();
+            records.Add(new Record(name, totalMs));
+            records = records.OrderBy(r => r.totalMilliseconds).ToList();
+            records = records.Take(5).ToList();
+            Save(records);
+        }
+    }
+}