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TASK 10: Polar billing + Velopack auto-updates (steps 1-7)

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Llama Chile Shop
2026-08-21 08:18:52 -07:00
parent 2f135687cd
commit 8951141c65
10 changed files with 417 additions and 78 deletions
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ViewModels/MainViewModel.cs
+163 -6
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@@ -152,14 +152,19 @@ public class MainViewModel : ViewModelBase
private bool _brandFlashEnabled = true;
private bool _brandFlashActive;
// TASK 10 — Polar license validation
private string _licenseKey = string.Empty;
private string _licenseMessage = string.Empty;
private bool _isLicenseValidating;
private bool _isLicenseEntryOpen;
private static readonly TimeSpan OfflineGracePeriod = TimeSpan.FromDays(14);
private const string SupportEmail = "gramps@llamachile.shop";
// The creator-hub link targets (About overlay) — public so the hub's
// integration test can assert they point at real destinations.
public const string ChannelUrl = "https://youtube.com/@llamachileshop";
public const string MastodonUrl = "https://mastodon.llamachile.tube/@gramps";
// Tabled 2026-08-14: billing provider chosen (Polar — polar.sh);
// the subscription page (premium unlock) lands here once set up. Coffee/thanks URL is live.
public const string PremiumUrl = "";
public const string PremiumUrl = "https://buy.polar.sh/polar_cl_ueMy8AyAClO0o0yo19IroZwKTbD587gzUsjEW3bFapw";
public const string CoffeeUrl = "https://buymeacoffee.com/llamachiley";
public static string AppVersionLabel => $"Version {typeof(MainViewModel).Assembly.GetName().Version?.ToString(3)}";
@@ -270,8 +275,19 @@ public class MainViewModel : ViewModelBase
/// <summary>The global socials config (entries + bar settings), or null.</summary>
public SocialsConfig? Socials => _socials;
/// <summary>Freemium: 6 slots — YT + 1 other, the rest locked. Premium seam: all 6 open.</summary>
private static bool IsPremium => false; // unlock deferred (TASK 10) — seam only
/// <summary>True when the user holds a valid LlamaCasty license (Polar). When
/// false, the branding flash runs on every live stream.</summary>
private bool _isPremium;
public bool IsPremium
{
get => _isPremium;
private set
{
if (!SetProperty(ref _isPremium, value)) return;
// Flip the branding flash when premium state changes.
BrandFlashEnabled = !value;
}
}
/// <summary>Canvas.Top for the social bar: 0 = top, 1040 = bottom (40px from the 1080 edge).</summary>
public double SocialBarTop => _socials?.BarPosition == SocialBarPosition.Top ? 0 : 1040;
@@ -942,7 +958,11 @@ public class MainViewModel : ViewModelBase
public bool IsLicensesOpen
{
get => _isLicensesOpen;
set => SetProperty(ref _isLicensesOpen, value);
set
{
if (SetProperty(ref _isLicensesOpen, value))
OnPropertyChanged(nameof(IsHubVisible));
}
}
public bool IsAnyOverlayOpen => IsSettingsOpen || IsBugOpen || IsFeatureOpen || IsAboutOpen;
@@ -1124,6 +1144,39 @@ public class MainViewModel : ViewModelBase
set => SetProperty(ref _featureRequestEmail, value);
}
// TASK 10 — license key entry
public string LicenseKey
{
get => _licenseKey;
set => SetProperty(ref _licenseKey, value);
}
public string LicenseMessage
{
get => _licenseMessage;
private set => SetProperty(ref _licenseMessage, value);
}
public bool IsLicenseValidating
{
get => _isLicenseValidating;
private set => SetProperty(ref _isLicenseValidating, value);
}
public bool IsLicenseEntryOpen
{
get => _isLicenseEntryOpen;
set
{
if (SetProperty(ref _isLicenseEntryOpen, value))
OnPropertyChanged(nameof(IsHubVisible));
}
}
/// <summary>The About hub is visible only when neither the licenses panel
/// nor the license entry panel is open.</summary>
public bool IsHubVisible => !IsLicensesOpen && !IsLicenseEntryOpen;
// Commands
public ICommand AddSceneCommand { get; }
public ICommand AddSourceCommand { get; }
@@ -1159,6 +1212,8 @@ public class MainViewModel : ViewModelBase
public ICommand SaveLayoutCommand { get; }
public ICommand SaveLayoutAsCommand { get; }
public ICommand OpenLayoutCommand { get; }
public ICommand ActivateLicenseCommand { get; }
public ICommand OpenLicenseEntryCommand { get; }
public MainViewModel()
{
@@ -1229,6 +1284,8 @@ public class MainViewModel : ViewModelBase
SaveLayoutCommand = new RelayCommand(_ => SaveLayoutNow());
SaveLayoutAsCommand = new RelayCommand(_ => SaveLayoutAs());
OpenLayoutCommand = new RelayCommand(_ => OpenLayoutFile());
ActivateLicenseCommand = new RelayCommand(_ => _ = ActivateLicenseAsync(), _ => !IsLicenseValidating);
OpenLicenseEntryCommand = new RelayCommand(_ => IsLicenseEntryOpen = !IsLicenseEntryOpen);
_layoutStore = new LayoutStore(LayoutPathOverride ?? DefaultLayoutPath);
_activeLayoutPath = _layoutStore.ActivePath;
@@ -1304,6 +1361,7 @@ public class MainViewModel : ViewModelBase
_reusableStream = _layoutStore.LoadReusableStream();
_reusableStreamUrl = _reusableStream?.RtmpUrl;
_ = LoadSavedSessionAsync();
_ = ValidateLicenseAtStartupAsync();
AppLog.Write("MainViewModel ctor end");
}
@@ -1345,6 +1403,105 @@ public class MainViewModel : ViewModelBase
AccountDisplayName = channel?.DisplayName ?? string.Empty;
}
// ─── TASK 10 — Polar license validation ───
/// <summary>At startup, load the cached license state and re-validate online
/// if a key exists. If offline and within the 14-day grace period, the cached
/// premium state is trusted. If the grace period is exceeded, premium lapses.</summary>
private async Task ValidateLicenseAtStartupAsync()
{
var savedKey = _layoutStore.LoadLicenseKey();
if (string.IsNullOrWhiteSpace(savedKey))
{
IsPremium = false;
return;
}
LicenseKey = savedKey;
var validatedAt = _layoutStore.LoadLicenseValidatedAt();
var cachedPremium = _layoutStore.LoadIsPremium();
// If the last validation was within the grace period, trust the cache
// while we attempt an online re-validation in the background.
if (validatedAt.HasValue && DateTime.UtcNow - validatedAt.Value < OfflineGracePeriod)
{
IsPremium = cachedPremium;
}
// Try an online check — if it succeeds, it overrides the cache.
try
{
var service = new PolarLicenseService();
var result = await service.ValidateAsync(savedKey);
if (result.IsValid)
{
IsPremium = true;
_layoutStore.SaveIsPremium(true);
_layoutStore.SaveLicenseValidatedAt(DateTime.UtcNow);
}
else
{
// Key revoked or expired — clear premium.
IsPremium = false;
_layoutStore.SaveIsPremium(false);
_layoutStore.SaveLicenseValidatedAt(DateTime.UtcNow);
AppLog.Write($"License validation failed: {result.Error}");
}
}
catch (Exception ex)
{
// Offline or network error — keep the cached state, log it.
AppLog.Write($"License re-validation skipped (offline?): {ex.Message}");
if (!validatedAt.HasValue || DateTime.UtcNow - validatedAt.Value >= OfflineGracePeriod)
{
IsPremium = false;
_layoutStore.SaveIsPremium(false);
}
}
}
/// <summary>Called from the Activate button in the About overlay. Validates
/// the entered key, persists it, and flips premium state.</summary>
private async Task ActivateLicenseAsync()
{
if (string.IsNullOrWhiteSpace(LicenseKey)) return;
IsLicenseValidating = true;
LicenseMessage = "Validating\u2026";
try
{
var service = new PolarLicenseService();
var result = await service.ValidateAsync(LicenseKey);
if (result.IsValid)
{
IsPremium = true;
_layoutStore.SaveLicenseKey(LicenseKey.Trim());
_layoutStore.SaveIsPremium(true);
_layoutStore.SaveLicenseValidatedAt(DateTime.UtcNow);
LicenseMessage = "Premium activated! The watermark has been removed.";
AppLog.Write("License activated successfully");
}
else
{
IsPremium = false;
_layoutStore.SaveLicenseKey(null);
_layoutStore.SaveIsPremium(false);
LicenseMessage = result.Error ?? "Invalid license key.";
AppLog.Write($"License activation failed: {result.Error}");
}
}
catch (Exception ex)
{
LicenseMessage = $"Activation error: {ex.Message}";
AppLog.Write($"License activation error: {ex}");
}
finally
{
IsLicenseValidating = false;
}
}
private static string DefaultLayoutPath => Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"ytLlive",