➕ Persistance en XML

source/Trek-12/DataContractPersistence/DataContractXml.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Xml;
+using System.Xml.Serialization;
+using Models.Game;
+using Models.Interfaces;
+
+namespace DataContractPersistence
+{
+    public class DataContractXml : IPersistence
+    {
+        public string FileName { get; set; } = "data.xml";
+        public string FilePath { get; set; } = Path.Combine(AppDomain.CurrentDomain.BaseDirectory);
+
+        public (List<Player>, List<Game>, List<Map>, List<BestScore>) LoadData()
+        {
+            var serializer = new DataContractSerializer(typeof(DataToPersist));
+            DataToPersist? data = new DataToPersist();
+
+            using (Stream s = File.OpenRead(Path.Combine(FilePath, FileName)))
+            {
+                data = serializer.ReadObject(s) as DataToPersist;
+            }
+            Console.WriteLine("Data loaded: " + Path.Combine(FilePath, FileName));
+            return (data.Players, data.Games, data.Maps, data.BestScores);
+        }
+
+        public void SaveData(List<Player> players, List<Game> games, List<Map> maps, List<BestScore> bestScores)
+        {
+            if(!Directory.Exists(FilePath))
+            {
+                Debug.WriteLine("Directory created");
+                Debug.WriteLine(Directory.GetDirectoryRoot(FilePath));
+                Debug.WriteLine(FilePath);
+                Directory.CreateDirectory(FilePath);
+            }
+    
+            var serializer = new DataContractSerializer(typeof(DataToPersist));
+            DataToPersist? data = new DataToPersist();
+
+            data.Players = players;
+            data.Games = games;
+            data.Maps = maps;
+            data.BestScores = bestScores;
+
+            var settings = new XmlWriterSettings() { Indent = true };
+            using (TextWriter tw = File.CreateText(Path.Combine(FilePath, FileName)))
+            {
+                using (XmlWriter writer = XmlWriter.Create(tw, settings))
+                {
+                    serializer.WriteObject(writer, data);
+                    Console.WriteLine("Data saved: " + Path.Combine(FilePath, FileName));
+                }
+            }
+        }
+    }
+}

source/Trek-12/Models/Interfaces/IPersistence.cs

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+using Models.Game;
+
+namespace Models.Interfaces
+{
+    public interface IPersistence
+    {
+        (List<Player>, List<Game.Game>, List<Map>, List<BestScore>) LoadData();
+        
+        void SaveData(List<Player> players, List<Game.Game> games, List<Map> maps, List<BestScore> bestScores);
+    }
+}