new startup process UI for Windows

windows/WinUI/OnboardProcess/CreateOrJoin.xaml.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace WinUI.OnboardProcess
+{
+    /// <summary>
+    /// Interaction logic for CreateOrJoin.xaml
+    /// </summary>
+    public partial class CreateOrJoin : UserControl, ISwitchable
+    {
+        private List<CentralNetwork> networkList = new List<CentralNetwork>();
+
+        public CreateOrJoin()
+        {
+            InitializeComponent();
+            listViewDataBinding.ItemsSource = networkList;
+
+            GetAvailableNetworks();
+        }
+
+        public void UtilizeState(object state)
+        {
+            throw new NotImplementedException();
+        }
+
+        private async void GetAvailableNetworks()
+        {
+            CentralAPI api = CentralAPI.Instance;
+
+            List<CentralNetwork> networks = await api.GetNetworkList();
+
+            foreach (CentralNetwork n in networks)
+            {
+                networkList.Add(n);
+            }
+
+            listViewDataBinding.Items.Refresh();
+        }
+
+        public void OnJoinButtonClick(object sender, RoutedEventArgs e)
+        {
+            Button button = sender as Button;
+            string networkId = button.Tag as string;
+
+            APIHandler handler = APIHandler.Instance;
+
+            handler.JoinNetwork(this.Dispatcher, networkId);
+
+            AuthorizeNetworkMember(networkId);
+        }
+
+        public void OnCreateButtonClick(object sender, RoutedEventArgs e)
+        {
+            CreateNewNetwork();
+        }
+
+        private async void CreateNewNetwork()
+        {
+            CentralAPI api = CentralAPI.Instance;
+
+            CentralNetwork newNetwork = await api.CreateNewNetwork();
+
+            APIHandler handler = APIHandler.Instance;
+
+            handler.JoinNetwork(this.Dispatcher, newNetwork.Id);
+
+            AuthorizeNetworkMember(newNetwork.Id);
+        }
+
+        private async void AuthorizeNetworkMember(string networkId)
+        {
+            string nodeId = APIHandler.Instance.NodeAddress();
+
+            bool authorized = await CentralAPI.Instance.AuthorizeNode(nodeId, networkId);
+
+            if (authorized)
+            {
+                Switcher.Switch(new Finished());
+            }
+            else
+            {
+
+            }
+        }
+    }
+}