Allow changing version list endpoint

Author: dktapps

MCLauncher/MCLauncher.csproj

@@ -103,6 +103,9 @@
     <Compile Include="RelayCommand.cs" />
     <Compile Include="VersionDownloader.cs" />
     <Compile Include="VersionList.cs" />
+    <Compile Include="VersionListEndpointDialog.xaml.cs">
+      <DependentUpon>VersionListEndpointDialog.xaml</DependentUpon>
+    </Compile>
     <Compile Include="WUProtocol.cs" />
     <Compile Include="WUTokenHelper.cs" />
     <Page Include="MainWindow.xaml">
@@ -121,6 +124,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </DesignData>
+    <Page Include="VersionListEndpointDialog.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs">

MCLauncher/MainWindow.xaml

@@ -110,6 +110,7 @@
                 <MenuItem Header="Delete APPX after download to save space" IsCheckable="True" Name="DeleteAppxAfterDownloadOption" Checked="DeleteAppxAfterDownloadCheck_Changed" Unchecked="DeleteAppxAfterDownloadCheck_Changed" IsChecked="{Binding UserPrefs.DeleteAppxAfterDownload }" />
                 <MenuItem Header="Uninstall all versions" Name="CleanupForMicrosoftStoreReinstall" Click="MenuItemCleanupForMicrosoftStoreReinstallClicked" />
                 <MenuItem Header="Refresh version list" Name="RefreshVersionList" Click="MenuItemRefreshVersionListClicked" />
+                <MenuItem Header="Set version list endpoint..." Name="SetVersionListEndpoint" Click="MenuItemSetVersionListEndpointClicked" />
             </MenuItem>
         </Menu>
         <TabControl Grid.Row="1" Margin="0,5,0,0" BorderThickness="0,1,0,0" Padding="0" Width="Auto">

MCLauncher/MainWindow.xaml.cs

@@ -40,18 +40,18 @@ public partial class MainWindow : Window, ICommonVersionCommands {
         private volatile bool _hasLaunchTask = false;
 
         public MainWindow() {
-            _versions = new VersionList("versions.json", IMPORTED_VERSIONS_PATH, VERSIONS_API, this, VersionEntryPropertyChanged);
-            InitializeComponent();
-            ShowInstalledVersionsOnlyCheckbox.DataContext = this;
-
-
             if (File.Exists(PREFS_PATH)) {
                 UserPrefs = JsonConvert.DeserializeObject<Preferences>(File.ReadAllText(PREFS_PATH));
             } else {
                 UserPrefs = new Preferences();
                 RewritePrefs();
             }
 
+            var versionsApi = UserPrefs.VersionsApi != "" ? UserPrefs.VersionsApi : VERSIONS_API;
+            _versions = new VersionList("versions.json", IMPORTED_VERSIONS_PATH, versionsApi, this, VersionEntryPropertyChanged);
+            InitializeComponent();
+            ShowInstalledVersionsOnlyCheckbox.DataContext = this;
+
             var versionListViewRelease = Resources["versionListViewRelease"] as CollectionViewSource;
             versionListViewRelease.Filter += new FilterEventHandler((object sender, FilterEventArgs e) => {
                 var v = e.Item as Version;
@@ -107,7 +107,7 @@ private async void LoadVersionList() {
                 Debug.WriteLine("List cache load failed:\n" + e.ToString());
             }
 
-            LoadingProgressLabel.Content = "Updating versions list from " + VERSIONS_API;
+            LoadingProgressLabel.Content = "Updating versions list from " + _versions.VersionsApi;
             LoadingProgressBar.Value = 2;
             try {
                 await _versions.DownloadList();
@@ -480,6 +480,22 @@ private void MenuItemCleanupForMicrosoftStoreReinstallClicked(object sender, Rou
         private void MenuItemRefreshVersionListClicked(object sender, RoutedEventArgs e) {
             Dispatcher.Invoke(LoadVersionList);
         }
+
+        private void onEndpointChangedHandler(object sender, string newEndpoint) {
+            UserPrefs.VersionsApi = newEndpoint;
+            _versions.VersionsApi = newEndpoint == "" ? VERSIONS_API : newEndpoint;
+            Dispatcher.Invoke(LoadVersionList);
+            RewritePrefs();
+        }
+
+        private void MenuItemSetVersionListEndpointClicked(object sender, RoutedEventArgs e) {
+            var dialog = new VersionListEndpointDialog(UserPrefs.VersionsApi) {
+                Owner = this
+            };
+            dialog.OnEndpointChanged += onEndpointChangedHandler;
+
+            dialog.Show();
+        }
     }
 
     struct MinecraftPackageFamilies

MCLauncher/Preferences.cs

@@ -3,5 +3,7 @@ public class Preferences {
         public bool ShowInstalledOnly { get; set; } = false;
 
         public bool DeleteAppxAfterDownload { get; set; } = true;
+
+        public string VersionsApi { get; set; } = "";
     }
 }

MCLauncher/VersionList.cs

@@ -12,9 +12,10 @@
 namespace MCLauncher {
     public class VersionList : ObservableCollection<WPFDataTypes.Version> {
 
+        public string VersionsApi { get; set; }
+
         private readonly string _cacheFile;
         private readonly string _importedDirectory;
-        private readonly string _versionsApi;
         private readonly WPFDataTypes.ICommonVersionCommands _commands;
         private readonly HttpClient _client = new HttpClient();
         HashSet<string> dbVersions = new HashSet<string>();
@@ -23,7 +24,7 @@ public class VersionList : ObservableCollection<WPFDataTypes.Version> {
         public VersionList(string cacheFile, string importedDirectory, string versionsApi, WPFDataTypes.ICommonVersionCommands commands, PropertyChangedEventHandler versionPropertyChangedEventHandler) {
             _cacheFile = cacheFile;
             _importedDirectory = importedDirectory;
-            _versionsApi = versionsApi;
+            VersionsApi = versionsApi;
             _commands = commands;
             _versionPropertyChangedHandler = versionPropertyChangedEventHandler;
             CollectionChanged += versionListOnCollectionChanged;
@@ -74,7 +75,7 @@ public async Task LoadFromCache() {
         }
 
         public async Task DownloadList() {
-            var resp = await _client.GetAsync(_versionsApi);
+            var resp = await _client.GetAsync(VersionsApi);
             resp.EnsureSuccessStatusCode();
             var data = await resp.Content.ReadAsStringAsync();
             File.WriteAllText(_cacheFile, data);

MCLauncher/VersionListEndpointDialog.xaml

@@ -0,0 +1,43 @@
+<Window x:Class="MCLauncher.VersionListEndpointDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:MCLauncher"
+        mc:Ignorable="d"
+        ResizeMode="NoResize"
+        ShowInTaskbar="False"
+        SizeToContent="WidthAndHeight"
+        MinWidth="400"
+        WindowStartupLocation="CenterOwner"
+        FocusManager.FocusedElement="{Binding ElementName=EndpointTextBox}"
+        Title="Set version list endpoint...">
+    <Grid Margin="5,5,5,5">
+        <Grid.Resources>
+            <Style TargetType="{x:Type Button}">
+                <Setter Property="Width" Value="70" />
+                <Setter Property="Height" Value="25" />
+                <Setter Property="Margin" Value="5,0,0,0" />
+            </Style>
+        </Grid.Resources>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="Auto" />
+            <ColumnDefinition />
+        </Grid.ColumnDefinitions>
+
+        <Label Content="Set the URL to get versions.json from (empty for default):" Grid.Row="0" Padding="0,5,0,5"/>
+        <TextBox Name="EndpointTextBox" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" Margin="0,5,0,5" />
+
+        <StackPanel Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,5,0,0">
+            <Button Name="okButton" Click="okButton_Click" IsDefault="True">OK</Button>
+            <Button Name="cancelButton" Click="cancelButton_Click" IsCancel="True">Cancel</Button>
+        </StackPanel>
+    </Grid>
+</Window>

MCLauncher/VersionListEndpointDialog.xaml.cs

@@ -0,0 +1,41 @@
+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.Shapes;
+
+namespace MCLauncher
+{
+    /// <summary>
+    /// Interaction logic for VersionListEndpointDialog.xaml
+    /// </summary>
+    public partial class VersionListEndpointDialog : Window
+    {
+        public event SetEndpointHandler OnEndpointChanged;
+
+        public delegate void SetEndpointHandler(object sender, string newEndpoint);
+
+
+        public VersionListEndpointDialog(string currentEndpoint) {
+            InitializeComponent();
+            EndpointTextBox.Text = currentEndpoint;
+        }
+
+        private void okButton_Click(object sender, RoutedEventArgs e) {
+            OnEndpointChanged?.Invoke(this, EndpointTextBox.Text);
+            Close();
+        }
+
+        private void cancelButton_Click(object sender, RoutedEventArgs e) {
+            Close();
+        }
+    }
+}