Merge pull request 'Refactored GenerateSignature' (#103) from payments into master

Reviewed-on: #103

LiteCharms.Features.MidrandBooks.Tests/CustomerServiceFeatureTests.cs

@@ -11,20 +11,12 @@ public class CustomerServiceFeatureTests(Fixture fixture) : IClassFixture<Fixtur
     [IntegrationFact]
     public async Task CreateCustomerAsync_ShouldReturn_ResultWithCustomerId()
     {
-        //var request = new CreateCustomer
-        //{
-        //    Company = "Book Lovers",
-        //    Email = "hank@booklovers.com",
-        //    Phone = "555 1245 8577",
-        //    Website = "https://www.booklovers.com"
-        //};
-
         var request = new CreateCustomer
         {
-            //Company = "Book Lovers",
+            Company = "Book Lovers",
             Email = "hank@booklovers.com",
-            //Phone = "555 1245 8577",
+            Phone = "555 1245 8577",
-            //Website = "https://www.booklovers.com"
+            Website = "https://www.booklovers.com"
         };
 
         var result = await customerService.CreateCustomerAsync(request, fixture.CancellationToken);

LiteCharms.Features.MidrandBooks/Payments/PayfastService.cs

@@ -152,9 +152,12 @@ public sealed partial class PayfastService(IDbContextFactory<MidrandBooksDbConte
             if (string.IsNullOrEmpty(kvp.Value))
                 continue;
 
+            if (kvp.Key.Equals("signature", StringComparison.OrdinalIgnoreCase))
+                continue;
+
             string key = kvp.Key;
 
-            string encodedVal = HttpUtility.UrlEncode(kvp.Value.Trim());
+            string encodedVal = Uri.EscapeDataString(kvp.Value.Trim());
 
             string val = PercentEncodingRegex.Replace(encodedVal, m => m.Value.ToLowerInvariant());
 
@@ -167,13 +170,12 @@ public sealed partial class PayfastService(IDbContextFactory<MidrandBooksDbConte
 
         if (!string.IsNullOrWhiteSpace(passPhrase))
         {
-            string encodedPassphrase = HttpUtility.UrlEncode(passPhrase.Trim());
+            string encodedPassphrase = Uri.EscapeDataString(passPhrase.Trim());
-
             string safePassphrase = PercentEncodingRegex.Replace(encodedPassphrase, m => m.Value.ToLowerInvariant());
 
             getString += $"&passphrase={safePassphrase}";
         }
 
         return HashService.ToMd5Hash(getString);
-    }    
+    }
 }