Add Windows desktop version

windows/StreamPlayer.Desktop/Models/UpdateInfo.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Globalization;
+
+namespace StreamPlayer.Desktop.Models;
+
+public sealed record UpdateInfo(
+    int VersionCode,
+    string VersionName,
+    string ReleaseNotes,
+    string DownloadUrl,
+    string DownloadFileName,
+    long DownloadSizeBytes,
+    int DownloadCount,
+    string ReleasePageUrl,
+    int MinSupportedVersionCode,
+    bool ForceUpdate)
+{
+    public bool IsUpdateAvailable(int currentVersionCode) => VersionCode > currentVersionCode;
+
+    public bool IsMandatory(int currentVersionCode) =>
+        ForceUpdate || (MinSupportedVersionCode > 0 && currentVersionCode < MinSupportedVersionCode);
+
+    public string GetReleaseNotesPreview(int maxLength = 900)
+    {
+        if (string.IsNullOrWhiteSpace(ReleaseNotes))
+        {
+            return string.Empty;
+        }
+        if (ReleaseNotes.Length <= maxLength)
+        {
+            return ReleaseNotes.Trim();
+        }
+        return ReleaseNotes[..maxLength].TrimEnd() + Environment.NewLine + "…";
+    }
+
+    public string FormatSize()
+    {
+        if (DownloadSizeBytes <= 0)
+        {
+            return string.Empty;
+        }
+        string[] suffixes = { "B", "KB", "MB", "GB" };
+        double size = DownloadSizeBytes;
+        int index = 0;
+        while (size >= 1024 && index < suffixes.Length - 1)
+        {
+            size /= 1024;
+            index++;
+        }
+        return $"{size:0.##} {suffixes[index]}";
+    }
+}