feat: add payment sdk and tenant secret foundation

Tiku.Infrastructure/Commerce/PaymentProviderGateway.cs

@@ -0,0 +1,45 @@
+using Tiku.Application.Commerce;
+
+namespace Tiku.Infrastructure.Commerce;
+
+internal sealed class PaymentProviderGateway(
+    IEnumerable<IPaymentProvider> providers,
+    IPaymentProviderConfigService configService) : IPaymentProviderGateway
+{
+    public async Task<CreatePaymentProviderResult> CreatePaymentAsync(
+        string provider,
+        CreatePaymentProviderRequest request,
+        CancellationToken cancellationToken = default)
+    {
+        var resolvedProvider = ResolveProvider(provider);
+        var account = await configService.GetActiveAccountAsync(
+            request.TenantId,
+            resolvedProvider.Provider,
+            cancellationToken);
+
+        return await resolvedProvider.CreatePaymentAsync(account, request, cancellationToken);
+    }
+
+    public async Task<PaymentNotificationResult> ParsePaymentNotificationAsync(
+        string provider,
+        PaymentNotificationRequest request,
+        CancellationToken cancellationToken = default)
+    {
+        var resolvedProvider = ResolveProvider(provider);
+        var account = await configService.GetActiveAccountAsync(
+            request.TenantId,
+            resolvedProvider.Provider,
+            cancellationToken);
+
+        return await resolvedProvider.ParsePaymentNotificationAsync(account, request, cancellationToken);
+    }
+
+    private IPaymentProvider ResolveProvider(string provider)
+    {
+        var normalized = provider.Trim().ToLowerInvariant().Replace("-", "_", StringComparison.Ordinal);
+        return providers.FirstOrDefault(item => item.Provider == normalized)
+               ?? throw new PaymentProviderException(
+                   "Payment provider is not supported.",
+                   "payment_provider_not_supported");
+    }
+}