From 3914ea7accc0cf3b0cadcebd8693ac155b452365 Mon Sep 17 00:00:00 2001
From: sabihoshi <kaworinakano@gmail.com>
Date: Wed, 7 Apr 2021 13:34:05 +0800
Subject: [PATCH] Add version and license info

---
 GenshinLyreMidiPlayer/Models/GitVersion.cs    | 16 ++++++
 .../ViewModels/MainWindowViewModel.cs         | 52 +++++++++++++++++--
 .../Views/MainWindowView.xaml                 | 13 +++--
 .../Views/SettingsPageView.xaml               | 18 ++++++-
 4 files changed, 90 insertions(+), 9 deletions(-)
 create mode 100644 GenshinLyreMidiPlayer/Models/GitVersion.cs

diff --git a/GenshinLyreMidiPlayer/Models/GitVersion.cs b/GenshinLyreMidiPlayer/Models/GitVersion.cs
new file mode 100644
index 0000000..04b19bd
--- /dev/null
+++ b/GenshinLyreMidiPlayer/Models/GitVersion.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Text.Json.Serialization;
+
+namespace GenshinLyreMidiPlayer.Models
+{
+    public class GitVersion
+    {
+        public bool Draft { get; set; }
+
+        public bool Prerelease { get; set; }
+
+        [JsonPropertyName("tag_name")] public string TagName { get; set; }
+
+        public Version Version => new(TagName.Replace("v", string.Empty));
+    }
+}
\ No newline at end of file
diff --git a/GenshinLyreMidiPlayer/ViewModels/MainWindowViewModel.cs b/GenshinLyreMidiPlayer/ViewModels/MainWindowViewModel.cs
index c347ffe..2f4d48c 100644
--- a/GenshinLyreMidiPlayer/ViewModels/MainWindowViewModel.cs
+++ b/GenshinLyreMidiPlayer/ViewModels/MainWindowViewModel.cs
@@ -1,9 +1,15 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Reflection;
+using System.Text.Json;
+using System.Threading.Tasks;
+using GenshinLyreMidiPlayer.Models;
 using GenshinLyreMidiPlayer.Views;
 using ModernWpf.Controls;
 using Stylet;
-using StyletIoC;
 
 namespace GenshinLyreMidiPlayer.ViewModels
 {
@@ -11,18 +17,58 @@ public class MainWindowViewModel : Conductor<IScreen>.StackNavigation
     {
         private readonly Stack<NavigationViewItem> _history = new();
 
-        public MainWindowViewModel(IContainer ioc, IEventAggregator events)
+        public MainWindowViewModel(IEventAggregator events)
         {
             SettingsView = new SettingsPageViewModel(events);
             PlayerView   = new LyrePlayerViewModel(events, SettingsView);
+
+            Task.Run(async () =>
+            {
+                var client = new HttpClient();
+                UpdateString     += "(Checking for updates)";
+                IsCheckingUpdate =  true;
+
+                try
+                {
+                    var request = new HttpRequestMessage(HttpMethod.Get,
+                        "https://api.github.com/repos/sabihoshi/GenshinLyreMidiPlayer/releases/latest");
+
+                    var productInfo = new ProductInfoHeaderValue("GenshinLyreMidiPlayer", ProgramVersion?.ToString());
+
+                    request.Headers.UserAgent.Add(productInfo);
+
+                    var response = await client.SendAsync(request);
+                    var version = JsonSerializer.Deserialize<GitVersion>(await response.Content.ReadAsStringAsync());
+                    if (version.Version > ProgramVersion && !(version.Draft || version.Prerelease))
+                        UpdateString = $"(Update available! {version.TagName})";
+                    else
+                        UpdateString = string.Empty;
+                }
+                catch (Exception)
+                {
+                    // Ignored
+                }
+                finally
+                {
+                    IsCheckingUpdate = false;
+                }
+            });
         }
 
+        public bool IsCheckingUpdate { get; set; }
+
         public LyrePlayerViewModel PlayerView { get; }
 
         public SettingsPageViewModel SettingsView { get; }
 
         public string Title { get; set; } = "Genshin Lyre MIDI Player";
 
+        public string UpdateString { get; set; }
+
+        public string VersionString { get; set; } = $"v{ProgramVersion?.ToString(3)}";
+
+        private static Version? ProgramVersion { get; } = Assembly.GetExecutingAssembly().GetName().Version;
+
         protected override void OnViewLoaded()
         {
             // Work around because events do not conform to the signatures Stylet supports
diff --git a/GenshinLyreMidiPlayer/Views/MainWindowView.xaml b/GenshinLyreMidiPlayer/Views/MainWindowView.xaml
index 97f15a7..653c544 100644
--- a/GenshinLyreMidiPlayer/Views/MainWindowView.xaml
+++ b/GenshinLyreMidiPlayer/Views/MainWindowView.xaml
@@ -17,15 +17,20 @@
     ui:WindowHelper.UseModernWindowStyle="True"
     ui:TitleBar.ExtendViewIntoTitleBar="True">
     <Grid>
-        <Grid VerticalAlignment="Top" Canvas.ZIndex="1"
+        <ui:SimpleStackPanel 
+              Orientation="Horizontal" VerticalAlignment="Top" Canvas.ZIndex="1"
               Height="{Binding ElementName=NavView, Path=CompactPaneLength}">
             <TextBlock
                 Margin="50,0,0,0"
                 VerticalAlignment="Center"
 
-                Text="{Binding Title}"
-                Style="{DynamicResource CaptionTextBlockStyle}" />
-        </Grid>
+                Style="{DynamicResource CaptionTextBlockStyle}">
+                <Run Text="{Binding Title}" />
+                <Run Text="{Binding VersionString}" />
+                <Run Text="{Binding UpdateString}" />
+            </TextBlock>
+            <ui:ProgressRing IsActive="{Binding IsCheckingUpdate}" />
+        </ui:SimpleStackPanel>
 
         <ui:NavigationView
             x:Name="NavView" AlwaysShowHeader="True"
diff --git a/GenshinLyreMidiPlayer/Views/SettingsPageView.xaml b/GenshinLyreMidiPlayer/Views/SettingsPageView.xaml
index b1e12c5..cc587c4 100644
--- a/GenshinLyreMidiPlayer/Views/SettingsPageView.xaml
+++ b/GenshinLyreMidiPlayer/Views/SettingsPageView.xaml
@@ -38,7 +38,7 @@
                     IsOn="{Binding MergeNotes}" />
 
                 <ui:NumberBox
-                    Header="Tolerance (ms)" IsEnabled="{Binding MergeNotes}" 
+                    Header="Tolerance (ms)" IsEnabled="{Binding MergeNotes}"
                     Minimum="0" SpinButtonPlacementMode="Compact"
                     Value="{Binding MergeMilliseconds}" />
             </ui:SimpleStackPanel>
@@ -68,10 +68,24 @@
                 </ui:RadioButtons>
             </GroupBox>
 
-            <GroupBox Header="Transition Style">
+            <Expander Header="Transition style">
                 <ui:RadioButtons
                     ItemsSource="{Binding Transitions}"
                     SelectedItem="{Binding Transition}" />
+            </Expander>
+
+
+            <GroupBox Header="License">
+                <ui:SimpleStackPanel Margin="10">
+                    <TextBlock>
+                        Created by © 2021 sabihoshi under the
+                        <Hyperlink
+                            NavigateUri="https://github.com/sabihoshi/GenshinLyreMidiPlayer/blob/main/LICENSE.md">
+                            MIT License
+                        </Hyperlink>.
+                    </TextBlock>
+                    <TextBlock TextWrapping="Wrap">© All rights reserved by miHoYo Co., Ltd. This project is not affiliated nor endorsed by miHoYo. Genshin Impact™ and other properties belong to their respective owners.</TextBlock>
+                </ui:SimpleStackPanel>
             </GroupBox>
         </ui:SimpleStackPanel>
     </ScrollViewer>