persistance auto strategy

MCTG/ConsoleApp/Program.cs

@@ -1,20 +1,27 @@
 using ConsoleApp;
 using Model;
-using ConsoleApp.Menu;
 using DataPersistence;
-using System.Linq;
-using System.Text;
 using Model.Managers;
 
 Console.WriteLine("Hello, World!\n\n");
 
-//MasterManager masterMgr = new MasterManager(new Stubs());
-MasterManager masterMgr = new MasterManager(new DataContractXML());
-//MasterManager masterMgr = new MasterManager(new DataContractJSON());
+string path = "";           // - path to the save file
+string strategy = "xml";    // - strategy is 'xml' or 'json' (/!\ this is case sensitive)
 
-masterMgr.DataMgr.Serializer = new DataContractXML();
-//_masterMgr.Serializer = new DataContractJSON();
+MasterManager masterMgr;
+IDataManager dataManager = (strategy == "xml") ?
+      new DataContractXML(path)
+    : new DataContractJSON(path);
 
+if (!File.Exists(Path.Combine(path, $"data.{strategy}")))
+{
+    masterMgr = new MasterManager(new Stubs());
+    masterMgr.DataMgr.Serializer = dataManager;
+}
+else
+{
+    masterMgr = new MasterManager(dataManager);
+}
 
 MenuManager menuMgr = new MenuManager(masterMgr);
 menuMgr.Loop();