wehub-resource-sync
78 lines
2.7 KiB
C#
78 lines
2.7 KiB
C#
#nullable enable
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using System.IO;
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using T3.Core.Compilation;
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using T3.Core.Settings;
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using T3.Serialization;
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namespace T3.Editor.Gui.Dialog;
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/// <summary>
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/// Records the last TiXL version that ran in this settings folder. Lets the editor tell when a
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/// user is running a version they haven't run here before and show the welcome / what's-new popup.
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/// </summary>
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internal static class VersionMarker
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{
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public enum LaunchKind
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{
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/// <summary>Same version as the previous run — no popup.</summary>
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Silent,
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/// <summary>No marker yet, or the marker is older than the running build — show the welcome popup.</summary>
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NewToUser,
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/// <summary>Marker records a newer version than the running build — the user downgraded; stay quiet and keep the marker.</summary>
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Downgrade,
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}
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/// <summary>Version recorded by the previous run, or <c>null</c> if this folder has no marker yet.</summary>
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public static Version? LastRunVersion => _lastRunVersion.Value;
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public static LaunchKind Classify()
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{
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var previous = LastRunVersion;
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if (previous == null)
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return LaunchKind.NewToUser;
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var comparison = RuntimeAssemblies.Version.CompareTo(previous);
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return comparison switch
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{
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> 0 => LaunchKind.NewToUser,
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< 0 => LaunchKind.Downgrade,
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_ => LaunchKind.Silent,
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};
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}
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/// <summary>
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/// Stamps the running version into the marker file. Refuses to lower the recorded version so a
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/// downgrade run doesn't suppress the welcome popup for the newer build the user came from.
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/// </summary>
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public static void MarkCurrentVersionSeen()
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{
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var previous = LastRunVersion;
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if (previous != null && RuntimeAssemblies.Version.CompareTo(previous) < 0)
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return;
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var data = new MarkerData { LastRunVersion = RuntimeAssemblies.Version.ToString() };
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if (JsonUtils.TrySaveJson(data, FilePath))
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_lastRunVersion = new Lazy<Version?>(RuntimeAssemblies.Version);
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}
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private static Version? LoadLastRunVersion()
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{
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var data = JsonUtils.TryLoadingJson<MarkerData>(FilePath);
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if (data == null || string.IsNullOrEmpty(data.LastRunVersion))
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return null;
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return Version.TryParse(data.LastRunVersion, out var version) ? version : null;
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}
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private static string FilePath => Path.Combine(FileLocations.SettingsDirectory, "versionMarker.json");
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private static Lazy<Version?> _lastRunVersion = new(LoadLastRunVersion);
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private sealed class MarkerData
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{
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public string? LastRunVersion { get; set; }
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}
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}
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