Add Terms of Service handling to checkout process (#648)

Introduced IHttpContextAccessor to CheckOutController for dynamically generating Terms of Service URL. Created a new TermsController with an associated view to display payment terms. Enhanced SwedbankPayCheckout view to open terms in a new tab.

src/Samples/Sample.AspNetCore/Controllers/CheckOutController.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using System.Threading.Tasks;
 
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
@@ -25,6 +26,7 @@ namespace Sample.AspNetCore.Controllers;
 public class CheckOutController : Controller
 {
     private readonly Cart _cartService;
+    private readonly IHttpContextAccessor _httpContextAccessor;
     private readonly ILogger<CheckOutController> _logger;
     private readonly StoreDbContext _context;
     private readonly PayeeInfoConfig _payeeInfoOptions;
@@ -36,6 +38,7 @@ public class CheckOutController : Controller
     public CheckOutController(IOptionsSnapshot<PayeeInfoConfig> payeeInfoOptionsAccessor,
         IOptionsSnapshot<UrlsOptions> urlsAccessor,
         Cart cart,
+        IHttpContextAccessor httpContextAccessor,
         ILogger<CheckOutController> logger,
         StoreDbContext storeDbContext,
         ISwedbankPayClient payClient,
@@ -44,6 +47,7 @@ public CheckOutController(IOptionsSnapshot<PayeeInfoConfig> payeeInfoOptionsAcce
         _payeeInfoOptions = payeeInfoOptionsAccessor.Value;
         _urls = urlsAccessor.Value;
         _cartService = cart;
+        _httpContextAccessor = httpContextAccessor;
         _logger = logger;
         _context = storeDbContext;
         _swedbankPayClient = payClient;
@@ -148,6 +152,11 @@ public async Task<IPaymentOrderResponse> CreatePaymentOrder(bool? generatePaymen
                 LogoUrl = _urls.LogoUrl,
                 CancelUrl = _urls.CancelUrl
             };
+
+            if (_httpContextAccessor.HttpContext != null){
+                var httpContextRequest = _httpContextAccessor.HttpContext.Request;
+                urls.TermsOfServiceUrl = new Uri($"{httpContextRequest.Scheme}://{httpContextRequest.Host.Value}/terms", UriKind.Absolute);
+            }
 
             var paymentOrderRequest = new PaymentOrderRequest(
                 generateRecurrenceToken.HasValue && generateRecurrenceToken.Value || generateUnscheduledToken.HasValue && generateUnscheduledToken.Value

src/Samples/Sample.AspNetCore/Controllers/TermsController.cs

@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace Sample.AspNetCore.Controllers;
+
+public class TermsController : Controller
+{
+    public IActionResult Index()
+    {
+        return View();
+    }
+}

src/Samples/Sample.AspNetCore/Views/Checkout/_SwedbankPayCheckout.cshtml

@@ -68,6 +68,7 @@
 	function onTermsOfServiceRequested(obj){
 		console.log("Terms of service requested event:");
 		console.log(obj)
+		window.open(obj.termsOfServiceUrl, '_blank');
 	}
 	
 	function onEventNotification(obj){

src/Samples/Sample.AspNetCore/Views/Terms/Index.cshtml

@@ -0,0 +1,13 @@
+<h1>Terms of Payment</h1>
+
+<p>By making a payment, you agree to the following terms and conditions:</p>
+
+<ul>
+    <li>All payments are non-refundable unless otherwise stated.</li>
+    <li>Payments must be made in full before the delivery of any goods or services.</li>
+    <li>We accept the following payment methods: credit card, debit card, and PayPal.</li>
+    <li>Any disputes regarding payments must be reported within 30 days of the transaction date.</li>
+    <li>We reserve the right to change our payment terms at any time without prior notice.</li>
+</ul>
+
+<p>If you have any questions or concerns about our payment terms, please contact our support team.</p>