Merge pull request 'Removed automatic LocalStorageService registration' (#107) from payments into master

Reviewed-on: #107

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",
-            //Website = "https://www.booklovers.com"
+            Phone = "555 1245 8577",
+            Website = "https://www.booklovers.com"
         };
 
         var result = await customerService.CreateCustomerAsync(request, fixture.CancellationToken);

LiteCharms.Features.MidrandBooks/Payments/PayfastService.cs

@@ -147,18 +147,56 @@ public sealed partial class PayfastService(IDbContextFactory<MidrandBooksDbConte
     {
         var pfOutput = new StringBuilder();
 
-        foreach (var kvp in data)
+        // Define the exact structural sequence mandated by Payfast's documentation
+        string[] mandatorySequence =
+        [
+            "merchant_id",
+            "merchant_key",
+            "return_url",
+            "cancel_url",
+            "notify_url",
+            "name_first",
+            "name_last",
+            "email_address",
+            "cell_number",
+            "m_payment_id",
+            "amount",
+            "item_name",
+            "item_description",
+            "custom_int1",
+            "custom_int2",
+            "custom_int3",
+            "custom_int4",
+            "custom_int5",
+            "custom_str1",
+            "custom_str2",
+            "custom_str3",
+            "custom_str4",
+            "custom_str5",
+            "email_confirmation",
+            "confirmation_address",
+            "payment_method",
+            "subscription_type",
+            "billing_date",
+            "recurring_amount",
+            "frequency",
+            "cycles"
+        ];
+
+        // 1. Iterate explicitly by the mandatory positional array sequence instead of the dictionary's internal order
+        foreach (string key in mandatorySequence)
         {
-            if (string.IsNullOrEmpty(kvp.Value))
-                continue;
+            // Only append if the key exists in your source dictionary and contains data
+            if (data.TryGetValue(key, out string? rawValue) && !string.IsNullOrEmpty(rawValue))
+            {
+                // Payfast requires spaces to be '+' signs. HttpUtility does this natively.
+                string encodedVal = HttpUtility.UrlEncode(rawValue.Trim());
 
-            string key = kvp.Key;
+                // Payfast requires all OTHER percent-encoded hex arrays to be UPPERCASE (e.g., %3A instead of %3a)
+                string val = Regex.Replace(encodedVal, "%[0-9A-Fa-f]{2}", m => m.Value.ToUpperInvariant());
 
-            string encodedVal = HttpUtility.UrlEncode(kvp.Value.Trim());
-
-            string val = PercentEncodingRegex.Replace(encodedVal, m => m.Value.ToLowerInvariant());
-
-            pfOutput.Append($"{key}={val}&");
+                pfOutput.Append($"{key}={val}&");
+            }
         }
 
         string getString = pfOutput.Length > 0
@@ -168,12 +206,11 @@ public sealed partial class PayfastService(IDbContextFactory<MidrandBooksDbConte
         if (!string.IsNullOrWhiteSpace(passPhrase))
         {
             string encodedPassphrase = HttpUtility.UrlEncode(passPhrase.Trim());
-
-            string safePassphrase = PercentEncodingRegex.Replace(encodedPassphrase, m => m.Value.ToLowerInvariant());
+            string safePassphrase = Regex.Replace(encodedPassphrase, "%[0-9A-Fa-f]{2}", m => m.Value.ToUpperInvariant());
 
             getString += $"&passphrase={safePassphrase}";
         }
 
         return HashService.ToMd5Hash(getString);
-    }    
+    }
 }

LiteCharms.Features/Browser/LocalStorageService.cs

@@ -1,8 +1,6 @@
-using LiteCharms.Features.Abstractions;
+namespace LiteCharms.Features.Browser;
 
-namespace LiteCharms.Features.Browser;
-
-public sealed class LocalStorageService(ProtectedLocalStorage storage) : IService
+public sealed class LocalStorageService(ProtectedLocalStorage storage)
 {
     public async ValueTask<Result> DeleteAsync(string key)
     {