fix: enable sdk payment checkout providers

Tiku.Infrastructure/Commerce/AlipayProvider.cs

@@ -1,5 +1,7 @@
 using System.Text.Json;
 using Aop.Api;
+using Aop.Api.Domain;
+using Aop.Api.Request;
 using Aop.Api.Util;
 using Tiku.Application.Commerce;
 
@@ -14,10 +16,47 @@ internal sealed class AlipayProvider : IPaymentProvider
         CreatePaymentProviderRequest request,
         CancellationToken cancellationToken = default)
     {
-        _ = BuildClient(account);
-        throw new PaymentProviderException(
-            "Alipay SDK is configured; checkout call is enabled in the commerce checkout batch.",
-            "alipay_checkout_not_enabled");
+        _ = cancellationToken;
+        var client = BuildClient(account);
+        var alipayRequest = new AlipayTradeWapPayRequest();
+        alipayRequest.SetNotifyUrl(request.NotifyUrl);
+        if (!string.IsNullOrWhiteSpace(request.ReturnUrl))
+        {
+            alipayRequest.SetReturnUrl(request.ReturnUrl);
+        }
+
+        alipayRequest.SetBizModel(new AlipayTradeWapPayModel
+        {
+            OutTradeNo = request.OrderNo,
+            Subject = request.Subject,
+            TotalAmount = FormatYuan(request.AmountCents),
+            ProductCode = "QUICK_WAP_WAY",
+            QuitUrl = request.QuitUrl
+        });
+        var response = client.pageExecute(alipayRequest);
+        if (string.IsNullOrWhiteSpace(response.Body))
+        {
+            throw new PaymentProviderException("Alipay create payment returned an empty body.", "alipay_create_failed");
+        }
+
+        var clientPayload = JsonSerializer.SerializeToElement(new
+        {
+            formHtml = response.Body
+        });
+        var rawPayload = JsonSerializer.SerializeToElement(new
+        {
+            response.Body,
+            request.OrderNo,
+            request.AmountCents
+        });
+
+        return Task.FromResult(new CreatePaymentProviderResult(
+            Provider,
+            request.Method,
+            "pending",
+            null,
+            clientPayload,
+            rawPayload));
     }
 
     public Task<PaymentNotificationResult> ParsePaymentNotificationAsync(
@@ -138,4 +177,7 @@ internal sealed class AlipayProvider : IPaymentProvider
             ? (int)Math.Round(amount * 100, MidpointRounding.AwayFromZero)
             : 0;
     }
+
+    private static string FormatYuan(int cents) =>
+        (cents / 100m).ToString("0.00", System.Globalization.CultureInfo.InvariantCulture);
 }