refactor: Create strongly typed objects to describe errors

src/AspNetCore/Reasons/UnsupportedStatusError.cs

@@ -0,0 +1,10 @@
+using SimpleResults.Resources;
+
+namespace SimpleResults;
+
+internal readonly ref struct UnsupportedStatusError
+{
+    public string Message { get; }
+    public UnsupportedStatusError(ResultStatus status)
+        => Message = string.Format(ResponseMessages.UnsupportedStatus, status);
+}

src/AspNetCore/ResultExtensions.cs

@@ -92,7 +92,7 @@ public static ActionResult<Result> ToActionResult(this Result result)
         ResultStatus.Forbidden     => new ForbiddenResult(result),
         ResultStatus.ByteArrayFile => FileResultConverter.ConvertToFileContentResult(result),
         ResultStatus.StreamFile    => FileResultConverter.ConvertToFileStreamResult(result),
-        _ => throw new NotSupportedException(string.Format(ResponseMessages.UnsupportedStatus, result.Status))
+        _ => throw new NotSupportedException(new UnsupportedStatusError(result.Status).Message)
     };
 
     /// <summary>
@@ -155,6 +155,6 @@ public static IResult ToHttpResult(this Result result)
         ResultStatus.Forbidden     => new ForbiddenHttpResult(result),
         ResultStatus.ByteArrayFile => FileResultConverter.ConvertToFileContentHttpResult(result),
         ResultStatus.StreamFile    => FileResultConverter.ConvertToFileStreamHttpResult(result),
-        _ => throw new NotSupportedException(string.Format(ResponseMessages.UnsupportedStatus, result.Status))
+        _ => throw new NotSupportedException(new UnsupportedStatusError(result.Status).Message)
     };
 }

src/Core/PagedInfo.cs

@@ -51,14 +51,18 @@ public class PagedInfo
     public PagedInfo(int pageNumber, int pageSize, int totalRecords)
     {
         if (pageSize == 0)
-        {
-            var message = string.Format(ResponseMessages.DivideByZero, nameof(pageSize));
-            throw new DivideByZeroException(message);
-        }
+            throw new DivideByZeroException(new DivideByZeroError(nameof(pageSize)).Message);
 
         PageNumber   = pageNumber;
         PageSize     = pageSize;
         TotalRecords = totalRecords;
         TotalPages   = (int)Math.Ceiling(totalRecords / (double)pageSize);
     }
+
+    internal readonly ref struct DivideByZeroError
+    {
+        public string Message { get; }
+        public DivideByZeroError(string parameterName)
+            => Message = string.Format(ResponseMessages.DivideByZero, parameterName);
+    }
 }

tests/AspNetCore/ToActionResultTests.cs

@@ -142,7 +142,7 @@ public void ToActionResult_WhenOperationResultIsNotSupported_ShouldThrowNotSuppo
     {
         // Arrange
         var result = new Result<Person> { Status = (ResultStatus)5000 };
-        var expectedMessage = string.Format(ResponseMessages.UnsupportedStatus, result.Status);
+        var expectedMessage = new UnsupportedStatusError(result.Status).Message;
 
         // Act
         Action act = () => result.ToActionResult();

tests/AspNetCore/ToHttpResultTests.cs

@@ -142,7 +142,7 @@ public void ToHttpResult_WhenOperationResultIsNotSupported_ShouldThrowNotSupport
     {
         // Arrange
         var result = new Result<Person> { Status = (ResultStatus)5000 };
-        var expectedMessage = string.Format(ResponseMessages.UnsupportedStatus, result.Status);
+        var expectedMessage = new UnsupportedStatusError(result.Status).Message;
 
         // Act
         Action act = () => result.ToHttpResult();

tests/Core/PagedInfoTests.cs

@@ -61,7 +61,7 @@ public void Constructor_WhenPageSizeIsZero_ShouldThrowDivideByZeroException()
     {
         // Arrange
         int pageSize = 0;
-        var expectedMessage = string.Format(ResponseMessages.DivideByZero, nameof(pageSize));
+        var expectedMessage = new PagedInfo.DivideByZeroError(nameof(pageSize)).Message;
 
         // Act
         Action act = () =>