login now works

Project.Controller/AppController.cs

@@ -12,10 +12,11 @@ public partial class AppController
         SQLite.SaveUser(user);
     }
 
-    public static void CompareLogin(string username, string password)
+    public static bool CompareLogin(string username, string password)
     {
         string hashedPassword = ShaHash.HashPassword(password);
         string Username = username;
-        SQLite.GetLogin(Username, hashedPassword);
+        var savedPassword = SQLite.GetLogin(Username);
+        return hashedPassword == savedPassword;
     }
 }

Project.Persistence/SQLite2.cs

@@ -5,17 +5,19 @@ namespace Project.Persistence;
 public partial class SQLite
 {
     //get login name and password to compare it with inputs
-    public static void GetLogin(string username, string password)
+    public static string? GetLogin(string username)
     {
         using var connection = new SqliteConnection($"Data Source={_dbPath}");
         connection.Open();
         using (var command = connection.CreateCommand())
         {
             command.Parameters.AddWithValue("@loginname", username);
-            command.Parameters.AddWithValue("@loginpass", password);
+            //command.Parameters.AddWithValue("@loginpass", password);
             command.CommandText =
-                @"SELECT * FROM TABLE ( LOGINS ) WHERE loginname = @loginname
+                @"SELECT loginpass FROM LOGINS WHERE loginname = @loginname
                 ";
+            var result = command.ExecuteScalar();
+            return result?.ToString();
         }
     }
 }

Project.View/Login Page/LoginPage.axaml.cs

@@ -2,6 +2,7 @@ using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Media;
 using Project.Controller;
+using Project.View;
 
 namespace Project.View;
 
@@ -22,7 +23,17 @@ public partial class LoginPage : UserControl
     {
         string? loginName = LoginNameBox.Text ??  string.Empty;
         string? loginPassword = LoginPasswordBox.Text ??  string.Empty;
-        AppController.CompareLogin(loginName, loginPassword);
+        bool allowLogin = AppController.CompareLogin(loginName, loginPassword);
+        var newMenuView = new MenuView();
+        var newPopUp = new PopUp();
+        if (allowLogin)
+        {
+            newMenuView.Show();
+        }
+        else
+        {
+            newPopUp.Show();
+        }
     }
     private async void NewUserButtonOnClick(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
     {

Project.View/MenuView/MenuView.axaml.cs

@@ -5,7 +5,7 @@ using Project.Controller;
 
 namespace Project.View;
 
-public partial class MenuView : UserControl
+public partial class MenuView : Window
 {
     readonly AppController? _controller;
     public MenuView()