Added Recent session functionality

Author: naseif

Source/VisualPairCoding/VisualPairCoding.AvaloniaUI/EnterNamesWindow.axaml

@@ -17,6 +17,9 @@
                 <Separator/>
 						  <MenuItem Click="LoadSessionConfiguration" Header="_Load"/>
 						  <MenuItem Click="SaveSessionConfiguration" Header="_Save"/>
+					      <MenuItem Click="OnMenuItemClicked" Header="Recent" x:Name="recentMenuItem">
+							<MenuItem Header="Replace" />
+						  </MenuItem>
 				<Separator/>
 				<MenuItem Click="CloseWindow" Header="_Exit"/>	
             </MenuItem>

Source/VisualPairCoding/VisualPairCoding.AvaloniaUI/EnterNamesWindow.axaml.cs

@@ -2,6 +2,7 @@
 using Avalonia.Interactivity;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Threading.Tasks;
 using VisualPairCoding.BL;
 using VisualPairCoding.BL.AutoUpdates;
@@ -12,12 +13,12 @@ namespace VisualPairCoding.AvaloniaUI
     public partial class EnterNamesForm : Window
     {
         private bool _autostart = false;
-
         public EnterNamesForm()
         {
             InitializeComponent();
             WindowStartupLocation = WindowStartupLocation.CenterScreen;
             Opened += OnActivated;
+            Closed += OnClosed;
         }
 
         public EnterNamesForm(bool autostart)
@@ -26,6 +27,12 @@ public EnterNamesForm(bool autostart)
             InitializeComponent();
             WindowStartupLocation = WindowStartupLocation.CenterScreen;
             Opened += OnActivated;
+            Closed += OnClosed;
+        }
+
+        private MenuItem GetRecentMenuItem()
+        {
+            return this.FindControl<MenuItem>("recentMenuItem");
         }
 
         private async Task<bool> AutoUpdate()
@@ -52,8 +59,40 @@ private async Task<bool> AutoUpdate()
             return false;
         }
 
+        private void OnClosed(object? sender, EventArgs e)
+        {
+            var appDataPath = SessionConfigurationFolderHandler.GetSessionFolderPath();
+            if (!string.IsNullOrEmpty(appDataPath))
+            {
+                var participants = GetParticipants();
+                string configName = string.Join("_", participants);
+                var path = Path.Combine(appDataPath, configName + ".vpcsession");
+                SaveSessionConfiguration(path, participants);
+            }
+        }
+
+        private void OnMenuItemClicked(object? sender, RoutedEventArgs e)
+        {
+            MenuItem clickedMenuItem = (MenuItem)e.Source!;
+            string subMenuHeader = clickedMenuItem.Header.ToString()!;
+            var configPath = Path.Combine(SessionConfigurationFolderHandler.GetSessionFolderPath(), subMenuHeader + ".vpcsession");
+            LoadSessionIntoGui(configPath);
+        }
         private async void OnActivated(object? sender, EventArgs e)
         {
+            MenuItem menuItem = GetRecentMenuItem();
+
+
+            if (!SessionConfigurationFolderHandler.CheckIfConfigurationFolderExistsUnderAppDataFolder())
+            {
+                SessionConfigurationFolderHandler.CreateConfigurationFolderUnderAppDataFolder();
+            }
+
+            var configs = SessionConfigurationFolderHandler.GetConfigurationFiles();
+
+            menuItem.Items = configs;
+            menuItem.SelectedIndex = 0;
+
             //Only perform auto - updates if not in dev environment
             if (AutoUpdateDetector.isUpdateAvailable())
             {
@@ -283,6 +322,11 @@ public async void SaveSessionConfiguration(object? sender, RoutedEventArgs args)
             }
         }
 
+        public void SaveSessionConfiguration(string path, List<string> participants)
+        {
+            SessionConfigurationFileHandler.Save(path, new SessionConfiguration(participants, (int)minutesPerTurn.Value));
+        }
+
         public void NewSessionClick(object sender, RoutedEventArgs args)
         {
             var session = new SessionConfiguration(new List<string>(), 7);

Source/VisualPairCoding/VisualPairCoding.Infrastructure/SessionConfigurationFolderHandler.cs

@@ -0,0 +1,67 @@
+using VisualPairCoding.Infrastructure;
+
+public static class SessionConfigurationFolderHandler
+{
+    public static string GetEnvironnementAppDataFolder()
+    {
+        string appDataFolderPath;
+
+        if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Windows))
+        {
+            appDataFolderPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+        }
+        else if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Linux))
+        {
+            appDataFolderPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+        }
+        else
+        {
+            appDataFolderPath = "";
+        }
+
+        return appDataFolderPath!;
+    }
+
+    public static bool CheckIfConfigurationFolderExistsUnderAppDataFolder()
+    {
+        var folderPath = GetSessionFolderPath();
+
+        if (!Directory.Exists(folderPath))
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    public static void CreateConfigurationFolderUnderAppDataFolder()
+    {
+        var folderPath = GetSessionFolderPath();
+        Directory.CreateDirectory(folderPath);
+
+        return;
+    }
+
+    public static string GetSessionFolderPath()
+    {
+        var appdataDir = GetEnvironnementAppDataFolder();
+        var folderPath = Path.Combine(appdataDir, "VisualPairCoding");
+
+        return folderPath;
+    }
+
+    public static List<string> GetConfigurationFiles()
+    {
+        var configDir = GetSessionFolderPath();
+        List<string> configs = new();
+
+        string[] fileNames = Directory.GetFiles(configDir);
+
+        foreach (string fileName in fileNames)
+        {
+            configs.Add(Path.GetFileName(fileName.Replace(".vpcsession", "")));
+        }
+
+        return configs;
+    }
+}