Added incoming Cart save functions.

AppCode/Formatters/Formatters.cs

@@ -0,0 +1,28 @@
+using Microsoft.AspNetCore.Mvc.Formatters;
+
+namespace CA_ANC.Formatters; 
+public class Formatters {
+
+
+
+}
+
+public class ByteArrayInputFormatter : InputFormatter
+{
+    public ByteArrayInputFormatter()
+    {
+        SupportedMediaTypes.Add(Microsoft.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/octet-stream"));
+    }
+
+    protected override bool CanReadType(Type type)
+    {
+        return type == typeof(byte[]);
+    }
+
+    public async override Task<InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context)
+    {
+        var stream = new MemoryStream();
+        await context.HttpContext.Request.Body.CopyToAsync(stream);
+        return await InputFormatterResult.SuccessAsync(stream.ToArray());
+    }
+}