Add Windows desktop version
This commit is contained in:
renato97
236
windows/StreamPlayer.Desktop/Services/UpdateService.cs
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236
windows/StreamPlayer.Desktop/Services/UpdateService.cs
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using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Net.Http;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using StreamPlayer.Desktop.Models;
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namespace StreamPlayer.Desktop.Services;
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public sealed class UpdateService
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{
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private static readonly HttpClient HttpClient = new(new HttpClientHandler
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{
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AutomaticDecompression = DecompressionMethods.All
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})
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{
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Timeout = TimeSpan.FromSeconds(20)
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};
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public async Task<UpdateInfo?> CheckForUpdatesAsync(CancellationToken cancellationToken)
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{
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using var request = new HttpRequestMessage(HttpMethod.Get, AppVersion.LatestReleaseApi);
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using var response = await HttpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken)
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.ConfigureAwait(false);
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response.EnsureSuccessStatusCode();
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await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
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using var document = await JsonDocument.ParseAsync(stream, cancellationToken: cancellationToken).ConfigureAwait(false);
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var root = document.RootElement;
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string tagName = root.GetPropertyOrDefault("tag_name");
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string versionName = DeriveVersionName(tagName, root.GetPropertyOrDefault("name"));
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int versionCode = ParseVersionCode(versionName);
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string releaseNotes = root.GetPropertyOrDefault("body");
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string releasePageUrl = root.GetPropertyOrDefault("html_url");
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string downloadUrl = string.Empty;
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string downloadFileName = string.Empty;
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long sizeBytes = 0;
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int downloadCount = 0;
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JsonElement assetsElement = default;
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bool hasAssets = root.TryGetProperty("assets", out assetsElement) && assetsElement.ValueKind == JsonValueKind.Array;
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if (hasAssets && (TryFindAsset(assetsElement, IsApkAsset, out var apkAsset) ||
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TryGetFirstAsset(assetsElement, out apkAsset)))
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{
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downloadUrl = apkAsset.GetPropertyOrDefault("browser_download_url");
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downloadFileName = apkAsset.GetPropertyOrDefault("name");
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long.TryParse(apkAsset.GetPropertyOrDefault("size"), out sizeBytes);
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int.TryParse(apkAsset.GetPropertyOrDefault("download_count"), out downloadCount);
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}
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var manifest = hasAssets
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? await TryFetchManifestAsync(assetsElement, cancellationToken).ConfigureAwait(false)
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: null;
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if (manifest is not null)
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{
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versionCode = manifest.Value.GetPropertyOrDefaultInt("versionCode", versionCode);
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var manifestVersionName = manifest.Value.GetPropertyOrDefault("versionName");
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if (!string.IsNullOrWhiteSpace(manifestVersionName))
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{
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versionName = manifestVersionName;
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}
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int minSupported = manifest.Value.GetPropertyOrDefaultInt("minSupportedVersionCode", 0);
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bool forceUpdate = manifest.Value.GetPropertyOrDefaultBool("forceUpdate", false);
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string manifestUrl = manifest.Value.GetPropertyOrDefault("downloadUrl");
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if (!string.IsNullOrWhiteSpace(manifestUrl))
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{
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downloadUrl = manifestUrl;
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}
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string manifestFileName = manifest.Value.GetPropertyOrDefault("fileName");
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if (!string.IsNullOrWhiteSpace(manifestFileName))
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{
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downloadFileName = manifestFileName;
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}
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long manifestSize = manifest.Value.GetPropertyOrDefaultLong("sizeBytes", sizeBytes);
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if (manifestSize > 0)
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{
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sizeBytes = manifestSize;
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}
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string manifestNotes = manifest.Value.GetPropertyOrDefault("notes");
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if (!string.IsNullOrWhiteSpace(manifestNotes) && string.IsNullOrWhiteSpace(releaseNotes))
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{
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releaseNotes = manifestNotes;
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}
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return BuildInfo(versionCode, versionName, releaseNotes, downloadUrl, downloadFileName,
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sizeBytes, downloadCount, releasePageUrl, minSupported, forceUpdate);
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}
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return BuildInfo(versionCode, versionName, releaseNotes, downloadUrl, downloadFileName,
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sizeBytes, downloadCount, releasePageUrl, 0, false);
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}
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private static UpdateInfo? BuildInfo(
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int versionCode,
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string versionName,
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string releaseNotes,
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string downloadUrl,
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string downloadFileName,
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long sizeBytes,
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int downloadCount,
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string releasePageUrl,
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int minSupported,
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bool forceUpdate)
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{
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if (string.IsNullOrWhiteSpace(downloadUrl))
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{
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return null;
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}
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return new UpdateInfo(
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versionCode,
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versionName,
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releaseNotes,
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downloadUrl,
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downloadFileName,
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sizeBytes,
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downloadCount,
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releasePageUrl,
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minSupported,
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forceUpdate);
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}
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private static async Task<JsonElement?> TryFetchManifestAsync(JsonElement assets, CancellationToken cancellationToken)
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{
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foreach (var asset in assets.EnumerateArray())
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{
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string name = asset.GetPropertyOrDefault("name").ToLowerInvariant();
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if (!name.EndsWith(".json", StringComparison.OrdinalIgnoreCase))
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{
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continue;
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}
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if (!name.Contains("update", StringComparison.OrdinalIgnoreCase) &&
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!name.Contains("manifest", StringComparison.OrdinalIgnoreCase))
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{
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continue;
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}
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string url = asset.GetPropertyOrDefault("browser_download_url");
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if (string.IsNullOrWhiteSpace(url))
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{
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continue;
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}
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try
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{
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using var manifestResponse = await HttpClient.GetAsync(url, cancellationToken).ConfigureAwait(false);
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manifestResponse.EnsureSuccessStatusCode();
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await using var stream = await manifestResponse.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
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using var document = await JsonDocument.ParseAsync(stream, cancellationToken: cancellationToken).ConfigureAwait(false);
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return document.RootElement.Clone();
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}
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catch
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{
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// Try next manifest candidate.
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}
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}
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return null;
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}
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private static bool TryFindAsset(JsonElement assets, Func<JsonElement, bool> predicate, out JsonElement asset)
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{
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if (assets.ValueKind != JsonValueKind.Array)
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{
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asset = default;
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return false;
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}
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foreach (var candidate in assets.EnumerateArray())
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{
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if (predicate(candidate))
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{
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asset = candidate;
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return true;
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}
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}
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asset = default;
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return false;
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}
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private static bool IsApkAsset(JsonElement asset)
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{
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string name = asset.GetPropertyOrDefault("name").ToLowerInvariant();
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return name.EndsWith(".apk", StringComparison.OrdinalIgnoreCase) ||
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name.EndsWith(".exe", StringComparison.OrdinalIgnoreCase);
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}
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private static bool TryGetFirstAsset(JsonElement assets, out JsonElement asset)
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{
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if (assets.ValueKind == JsonValueKind.Array)
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{
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using var enumerator = assets.EnumerateArray().GetEnumerator();
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if (enumerator.MoveNext())
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{
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asset = enumerator.Current;
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return true;
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}
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}
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asset = default;
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return false;
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}
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private static string DeriveVersionName(string tagName, string fallback)
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{
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string baseName = string.IsNullOrWhiteSpace(tagName) ? fallback : tagName;
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if (string.IsNullOrWhiteSpace(baseName))
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{
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return string.Empty;
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}
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return Regex.Replace(baseName, @"^[Vv]", string.Empty).Trim();
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}
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private static int ParseVersionCode(string versionName)
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{
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if (string.IsNullOrWhiteSpace(versionName))
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{
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return -1;
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}
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var parts = versionName.Split('.', StringSplitOptions.RemoveEmptyEntries);
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int major = ParsePart(parts, 0);
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int minor = ParsePart(parts, 1);
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int patch = ParsePart(parts, 2);
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return major * 10000 + minor * 100 + patch;
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}
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private static int ParsePart(IReadOnlyList<string> parts, int index)
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{
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if (index >= parts.Count)
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{
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return 0;
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}
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if (int.TryParse(Regex.Replace(parts[index], @"[^\d]", string.Empty), out int value))
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{
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return value;
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}
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return 0;
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}
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}
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