Normalize configurable field sources and status constants

TransactionProcessing.MerchantFileProcessor/Configuration/FileProfileFormats.cs

@@ -2,13 +2,13 @@ namespace TransactionProcessing.MerchantFileProcessor.Configuration;
 
 public static class FileProfileFormats
 {
-    public const string Delimited = "delimited";
+    public static string Delimited { get; } = "delimited";
 
-    public const string Json = "json";
+    public static string Json { get; } = "json";
 
     public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase)
     {
         Delimited,
         Json
     };
-}
+}

TransactionProcessing.MerchantFileProcessor/Configuration/FrameworkLoggingOptions.cs

@@ -1,7 +1,7 @@
 namespace TransactionProcessing.MerchantFileProcessor.Configuration;
 
 public sealed class FrameworkLoggingOptions {
-    public const string SectionName = "FrameworkLogging";
+    public static string SectionName { get; } = "FrameworkLogging";
 
     public bool EnableEfCoreCommandTrace { get; init; }
 

TransactionProcessing.MerchantFileProcessor/Configuration/MerchantProcessingOptions.cs

@@ -1,7 +1,7 @@
 namespace TransactionProcessing.MerchantFileProcessor.Configuration;
 
 public sealed class MerchantProcessingOptions {
-    public const string SectionName = "MerchantProcessing";
+    public static string SectionName { get; } = "MerchantProcessing";
 
     public AuthenticationOptions Authentication { get; init; } = new();
 

TransactionProcessing.MerchantFileProcessor/Configuration/TransactionFileFieldSources.cs

@@ -2,20 +2,20 @@ namespace TransactionProcessing.MerchantFileProcessor.Configuration;
 
 public static class TransactionFileFieldSources
 {
-    public const string MerchantId = "merchantid";
-    public const string ContractId = "contractid";
-    public const string ProductCode = "productcode";
-    public const string Description = "description";
-    public const string Quantity = "quantity";
-    public const string UnitAmount = "unitamount";
-    public const string TotalAmount = "totalamount";
-    public const string Currency = "currency";
-    public const string TransactionDateUtc = "transactiondateutc";
-    public const string RecipientMobileNumber = "recipientmobilenumber";
-    public const string ContractIssuer = "contractissuer";
-    public const string ProcessingDateUtc = "processingdateutc";
-    public const string RecordCount = "recordcount";
-    public const string FileTotalAmount = "filetotalamount";
+    public static string MerchantId { get; } = "merchantid";
+    public static string ContractId { get; } = "contractid";
+    public static string ProductCode { get; } = "productcode";
+    public static string Description { get; } = "description";
+    public static string Quantity { get; } = "quantity";
+    public static string UnitAmount { get; } = "unitamount";
+    public static string TotalAmount { get; } = "totalamount";
+    public static string Currency { get; } = "currency";
+    public static string TransactionDateUtc { get; } = "transactiondateutc";
+    public static string RecipientMobileNumber { get; } = "recipientmobilenumber";
+    public static string ContractIssuer { get; } = "contractissuer";
+    public static string ProcessingDateUtc { get; } = "processingdateutc";
+    public static string RecordCount { get; } = "recordcount";
+    public static string FileTotalAmount { get; } = "filetotalamount";
 
     public static readonly HashSet<string> All = new(StringComparer.OrdinalIgnoreCase)
     {
@@ -34,4 +34,4 @@ public static class TransactionFileFieldSources
         RecordCount,
         FileTotalAmount
     };
-}
+}

TransactionProcessing.MerchantFileProcessor/FileBuilding/TransactionFileModels.cs

@@ -110,24 +110,79 @@ public static object GetValue(FileFieldOptions field, TransactionFileContext con
 
         var transaction = context.Transaction;
 
-        return field.Source.ToLowerInvariant() switch
-        {
-            TransactionFileFieldSources.MerchantId => context.Merchant.MerchantId,
-            TransactionFileFieldSources.ContractId => context.Contract.ContractId,
-            TransactionFileFieldSources.ContractIssuer => context.Contract.Issuer,
-            TransactionFileFieldSources.ProductCode => GetTransaction(transaction).ProductCode,
-            TransactionFileFieldSources.Description => GetTransaction(transaction).Description,
-            TransactionFileFieldSources.RecipientMobileNumber => GetTransaction(transaction).RecipientMobileNumber,
-            TransactionFileFieldSources.Quantity => ApplyFormat(GetTransaction(transaction).Quantity, field.Format),
-            TransactionFileFieldSources.UnitAmount => ApplyFormat(GetTransaction(transaction).UnitAmount, field.Format),
-            TransactionFileFieldSources.TotalAmount => ApplyFormat(GetTransaction(transaction).TotalAmount, field.Format),
-            TransactionFileFieldSources.Currency => GetTransaction(transaction).Currency,
-            TransactionFileFieldSources.TransactionDateUtc => ApplyDateFormat(GetTransaction(transaction).TransactionDateUtc, field.Format),
-            TransactionFileFieldSources.ProcessingDateUtc => ApplyDateFormat(context.ProcessingTimestampUtc, field.Format),
-            TransactionFileFieldSources.RecordCount => ApplyFormat(context.RecordCount, field.Format),
-            TransactionFileFieldSources.FileTotalAmount => ApplyFormat(context.FileTotalAmount, field.Format ?? "0.00"),
-            _ => throw new InvalidOperationException($"Unsupported field source '{field.Source}'.")
-        };
+        var source = field.Source.Trim();
+
+        if (source.Equals(TransactionFileFieldSources.MerchantId, StringComparison.OrdinalIgnoreCase))
+        {
+            return context.Merchant.MerchantId;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.ContractId, StringComparison.OrdinalIgnoreCase))
+        {
+            return context.Contract.ContractId;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.ContractIssuer, StringComparison.OrdinalIgnoreCase))
+        {
+            return context.Contract.Issuer;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.ProductCode, StringComparison.OrdinalIgnoreCase))
+        {
+            return GetTransaction(transaction).ProductCode;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.Description, StringComparison.OrdinalIgnoreCase))
+        {
+            return GetTransaction(transaction).Description;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.RecipientMobileNumber, StringComparison.OrdinalIgnoreCase))
+        {
+            return GetTransaction(transaction).RecipientMobileNumber;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.Quantity, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyFormat(GetTransaction(transaction).Quantity, field.Format);
+        }
+
+        if (source.Equals(TransactionFileFieldSources.UnitAmount, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyFormat(GetTransaction(transaction).UnitAmount, field.Format);
+        }
+
+        if (source.Equals(TransactionFileFieldSources.TotalAmount, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyFormat(GetTransaction(transaction).TotalAmount, field.Format);
+        }
+
+        if (source.Equals(TransactionFileFieldSources.Currency, StringComparison.OrdinalIgnoreCase))
+        {
+            return GetTransaction(transaction).Currency;
+        }
+
+        if (source.Equals(TransactionFileFieldSources.TransactionDateUtc, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyDateFormat(GetTransaction(transaction).TransactionDateUtc, field.Format);
+        }
+
+        if (source.Equals(TransactionFileFieldSources.ProcessingDateUtc, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyDateFormat(context.ProcessingTimestampUtc, field.Format);
+        }
+
+        if (source.Equals(TransactionFileFieldSources.RecordCount, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyFormat(context.RecordCount, field.Format);
+        }
+
+        if (source.Equals(TransactionFileFieldSources.FileTotalAmount, StringComparison.OrdinalIgnoreCase))
+        {
+            return ApplyFormat(context.FileTotalAmount, field.Format ?? "0.00");
+        }
+
+        throw new InvalidOperationException($"Unsupported field source '{field.Source}'.");
     }
 
     private static GeneratedTransaction GetTransaction(GeneratedTransaction? transaction) =>

TransactionProcessing.MerchantFileProcessor/Services/FileStatusStore.cs

@@ -55,31 +55,31 @@ Task UpdateFileStatusAsync(
 
 public static class FileSendStatuses
 {
-    public const string Succeeded = "Succeeded";
+    public static string Succeeded { get; } = "Succeeded";
 
-    public const string Failed = "Failed";
+    public static string Failed { get; } = "Failed";
 }
 
 public static class MerchantRunStatuses
 {
-    public const string Succeeded = "Succeeded";
+    public static string Succeeded { get; } = "Succeeded";
 
-    public const string Failed = "Failed";
+    public static string Failed { get; } = "Failed";
 }
 
 public static class FileLineStatuses
 {
-    public const string Unknown = "Unknown";
+    public static string Unknown { get; } = "Unknown";
 
-    public const string NotProcessed = "NotProcessed";
+    public static string NotProcessed { get; } = "NotProcessed";
 
-    public const string Successful = "Successful";
+    public static string Successful { get; } = "Successful";
 
-    public const string Failed = "Failed";
+    public static string Failed { get; } = "Failed";
 
-    public const string Ignored = "Ignored";
+    public static string Ignored { get; } = "Ignored";
 
-    public const string Rejected = "Rejected";
+    public static string Rejected { get; } = "Rejected";
 }
 
 public sealed record FileStatusPollTarget(